radeonsi: Apply si_* file naming scheme.

Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 2058 insertions, 0 deletions

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
new file mode 100644
index 00000000000..03a1c83f7e8
--- /dev/null
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -0,0 +1,2058 @@
+
+/*
+ * Copyright 2012 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *	Tom Stellard <[email protected]>
+ *	Michel Dänzer <[email protected]>
+ *      Christian König <[email protected]>
+ */
+
+#include "gallivm/lp_bld_tgsi_action.h"
+#include "gallivm/lp_bld_const.h"
+#include "gallivm/lp_bld_gather.h"
+#include "gallivm/lp_bld_intr.h"
+#include "gallivm/lp_bld_logic.h"
+#include "gallivm/lp_bld_tgsi.h"
+#include "gallivm/lp_bld_arit.h"
+#include "gallivm/lp_bld_flow.h"
+#include "radeon_llvm.h"
+#include "radeon_llvm_emit.h"
+#include "util/u_memory.h"
+#include "tgsi/tgsi_info.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_scan.h"
+#include "tgsi/tgsi_util.h"
+#include "tgsi/tgsi_dump.h"
+
+#include "si_pipe.h"
+#include "si_shader.h"
+#include "si_state.h"
+#include "sid.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+
+struct si_shader_context
+{
+	struct radeon_llvm_context radeon_bld;
+	struct tgsi_parse_context parse;
+	struct tgsi_token * tokens;
+	struct si_pipe_shader *shader;
+	unsigned type; /* TGSI_PROCESSOR_* specifies the type of shader. */
+	int param_streamout_config;
+	int param_streamout_write_index;
+	int param_streamout_offset[4];
+	int param_vertex_id;
+	int param_instance_id;
+	LLVMValueRef const_md;
+	LLVMValueRef const_resource[NUM_CONST_BUFFERS];
+#if HAVE_LLVM >= 0x0304
+	LLVMValueRef ddxy_lds;
+#endif
+	LLVMValueRef *constants[NUM_CONST_BUFFERS];
+	LLVMValueRef *resources;
+	LLVMValueRef *samplers;
+	LLVMValueRef so_buffers[4];
+};
+
+static struct si_shader_context * si_shader_context(
+	struct lp_build_tgsi_context * bld_base)
+{
+	return (struct si_shader_context *)bld_base;
+}
+
+
+#define PERSPECTIVE_BASE 0
+#define LINEAR_BASE 9
+
+#define SAMPLE_OFFSET 0
+#define CENTER_OFFSET 2
+#define CENTROID_OFSET 4
+
+#define USE_SGPR_MAX_SUFFIX_LEN 5
+#define CONST_ADDR_SPACE 2
+#define LOCAL_ADDR_SPACE 3
+#define USER_SGPR_ADDR_SPACE 8
+
+/**
+ * Build an LLVM bytecode indexed load using LLVMBuildGEP + LLVMBuildLoad
+ *
+ * @param offset The offset parameter specifies the number of
+ * elements to offset, not the number of bytes or dwords.  An element is the
+ * the type pointed to by the base_ptr parameter (e.g. int is the element of
+ * an int* pointer)
+ *
+ * When LLVM lowers the load instruction, it will convert the element offset
+ * into a dword offset automatically.
+ *
+ */
+static LLVMValueRef build_indexed_load(
+	struct si_shader_context * si_shader_ctx,
+	LLVMValueRef base_ptr,
+	LLVMValueRef offset)
+{
+	struct lp_build_context * base = &si_shader_ctx->radeon_bld.soa.bld_base.base;
+
+	LLVMValueRef indices[2] = {
+		LLVMConstInt(LLVMInt64TypeInContext(base->gallivm->context), 0, false),
+		offset
+	};
+	LLVMValueRef computed_ptr = LLVMBuildGEP(
+		base->gallivm->builder, base_ptr, indices, 2, "");
+
+	LLVMValueRef result = LLVMBuildLoad(base->gallivm->builder, computed_ptr, "");
+	LLVMSetMetadata(result, 1, si_shader_ctx->const_md);
+	return result;
+}
+
+static LLVMValueRef get_instance_index_for_fetch(
+	struct radeon_llvm_context * radeon_bld,
+	unsigned divisor)
+{
+	struct si_shader_context *si_shader_ctx =
+		si_shader_context(&radeon_bld->soa.bld_base);
+	struct gallivm_state * gallivm = radeon_bld->soa.bld_base.base.gallivm;
+
+	LLVMValueRef result = LLVMGetParam(radeon_bld->main_fn,
+					   si_shader_ctx->param_instance_id);
+	result = LLVMBuildAdd(gallivm->builder, result, LLVMGetParam(
+			radeon_bld->main_fn, SI_PARAM_START_INSTANCE), "");
+
+	if (divisor > 1)
+		result = LLVMBuildUDiv(gallivm->builder, result,
+				lp_build_const_int32(gallivm, divisor), "");
+
+	return result;
+}
+
+static void declare_input_vs(
+	struct si_shader_context * si_shader_ctx,
+	unsigned input_index,
+	const struct tgsi_full_declaration *decl)
+{
+	struct lp_build_context * base = &si_shader_ctx->radeon_bld.soa.bld_base.base;
+	unsigned divisor = si_shader_ctx->shader->key.vs.instance_divisors[input_index];
+
+	unsigned chan;
+
+	LLVMValueRef t_list_ptr;
+	LLVMValueRef t_offset;
+	LLVMValueRef t_list;
+	LLVMValueRef attribute_offset;
+	LLVMValueRef buffer_index;
+	LLVMValueRef args[3];
+	LLVMTypeRef vec4_type;
+	LLVMValueRef input;
+
+	/* Load the T list */
+	t_list_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_VERTEX_BUFFER);
+
+	t_offset = lp_build_const_int32(base->gallivm, input_index);
+
+	t_list = build_indexed_load(si_shader_ctx, t_list_ptr, t_offset);
+
+	/* Build the attribute offset */
+	attribute_offset = lp_build_const_int32(base->gallivm, 0);
+
+	if (divisor) {
+		/* Build index from instance ID, start instance and divisor */
+		si_shader_ctx->shader->shader.uses_instanceid = true;
+		buffer_index = get_instance_index_for_fetch(&si_shader_ctx->radeon_bld, divisor);
+	} else {
+		/* Load the buffer index, which is always stored in VGPR0
+		 * for Vertex Shaders */
+		buffer_index = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+					    si_shader_ctx->param_vertex_id);
+	}
+
+	vec4_type = LLVMVectorType(base->elem_type, 4);
+	args[0] = t_list;
+	args[1] = attribute_offset;
+	args[2] = buffer_index;
+	input = build_intrinsic(base->gallivm->builder,
+		"llvm.SI.vs.load.input", vec4_type, args, 3,
+		LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+
+	/* Break up the vec4 into individual components */
+	for (chan = 0; chan < 4; chan++) {
+		LLVMValueRef llvm_chan = lp_build_const_int32(base->gallivm, chan);
+		/* XXX: Use a helper function for this.  There is one in
+ 		 * tgsi_llvm.c. */
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, chan)] =
+				LLVMBuildExtractElement(base->gallivm->builder,
+				input, llvm_chan, "");
+	}
+}
+
+static void declare_input_fs(
+	struct si_shader_context * si_shader_ctx,
+	unsigned input_index,
+	const struct tgsi_full_declaration *decl)
+{
+	struct si_shader *shader = &si_shader_ctx->shader->shader;
+	struct lp_build_context * base =
+				&si_shader_ctx->radeon_bld.soa.bld_base.base;
+	struct lp_build_context *uint =
+				&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
+	struct gallivm_state * gallivm = base->gallivm;
+	LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context);
+	LLVMValueRef main_fn = si_shader_ctx->radeon_bld.main_fn;
+
+	LLVMValueRef interp_param;
+	const char * intr_name;
+
+	/* This value is:
+	 * [15:0] NewPrimMask (Bit mask for each quad.  It is set it the
+	 *                     quad begins a new primitive.  Bit 0 always needs
+	 *                     to be unset)
+	 * [32:16] ParamOffset
+	 *
+	 */
+	LLVMValueRef params = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_PRIM_MASK);
+	LLVMValueRef attr_number;
+
+	unsigned chan;
+
+	if (decl->Semantic.Name == TGSI_SEMANTIC_POSITION) {
+		for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+			unsigned soa_index =
+				radeon_llvm_reg_index_soa(input_index, chan);
+			si_shader_ctx->radeon_bld.inputs[soa_index] =
+				LLVMGetParam(main_fn, SI_PARAM_POS_X_FLOAT + chan);
+
+			if (chan == 3)
+				/* RCP for fragcoord.w */
+				si_shader_ctx->radeon_bld.inputs[soa_index] =
+					LLVMBuildFDiv(gallivm->builder,
+						      lp_build_const_float(gallivm, 1.0f),
+						      si_shader_ctx->radeon_bld.inputs[soa_index],
+						      "");
+		}
+		return;
+	}
+
+	if (decl->Semantic.Name == TGSI_SEMANTIC_FACE) {
+		LLVMValueRef face, is_face_positive;
+
+		face = LLVMGetParam(main_fn, SI_PARAM_FRONT_FACE);
+
+		is_face_positive = LLVMBuildFCmp(gallivm->builder,
+						 LLVMRealUGT, face,
+						 lp_build_const_float(gallivm, 0.0f),
+						 "");
+
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 0)] =
+			LLVMBuildSelect(gallivm->builder,
+					is_face_positive,
+					lp_build_const_float(gallivm, 1.0f),
+					lp_build_const_float(gallivm, 0.0f),
+					"");
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 1)] =
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 2)] =
+			lp_build_const_float(gallivm, 0.0f);
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 3)] =
+			lp_build_const_float(gallivm, 1.0f);
+
+		return;
+	}
+
+	shader->input[input_index].param_offset = shader->ninterp++;
+	attr_number = lp_build_const_int32(gallivm,
+					   shader->input[input_index].param_offset);
+
+	switch (decl->Interp.Interpolate) {
+	case TGSI_INTERPOLATE_COLOR:
+		if (si_shader_ctx->shader->key.ps.flatshade) {
+			interp_param = 0;
+		} else {
+			if (decl->Interp.Centroid)
+				interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID);
+			else
+				interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER);
+		}
+		break;
+	case TGSI_INTERPOLATE_CONSTANT:
+		interp_param = 0;
+		break;
+	case TGSI_INTERPOLATE_LINEAR:
+		if (decl->Interp.Centroid)
+			interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTROID);
+		else
+			interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTER);
+		break;
+	case TGSI_INTERPOLATE_PERSPECTIVE:
+		if (decl->Interp.Centroid)
+			interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID);
+		else
+			interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER);
+		break;
+	default:
+		fprintf(stderr, "Warning: Unhandled interpolation mode.\n");
+		return;
+	}
+
+	intr_name = interp_param ? "llvm.SI.fs.interp" : "llvm.SI.fs.constant";
+
+	/* XXX: Could there be more than TGSI_NUM_CHANNELS (4) ? */
+	if (decl->Semantic.Name == TGSI_SEMANTIC_COLOR &&
+	    si_shader_ctx->shader->key.ps.color_two_side) {
+		LLVMValueRef args[4];
+		LLVMValueRef face, is_face_positive;
+		LLVMValueRef back_attr_number =
+			lp_build_const_int32(gallivm,
+					     shader->input[input_index].param_offset + 1);
+
+		face = LLVMGetParam(main_fn, SI_PARAM_FRONT_FACE);
+
+		is_face_positive = LLVMBuildFCmp(gallivm->builder,
+						 LLVMRealUGT, face,
+						 lp_build_const_float(gallivm, 0.0f),
+						 "");
+
+		args[2] = params;
+		args[3] = interp_param;
+		for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+			LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan);
+			unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan);
+			LLVMValueRef front, back;
+
+			args[0] = llvm_chan;
+			args[1] = attr_number;
+			front = build_intrinsic(base->gallivm->builder, intr_name,
+						input_type, args, args[3] ? 4 : 3,
+						LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+
+			args[1] = back_attr_number;
+			back = build_intrinsic(base->gallivm->builder, intr_name,
+					       input_type, args, args[3] ? 4 : 3,
+					       LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+
+			si_shader_ctx->radeon_bld.inputs[soa_index] =
+				LLVMBuildSelect(gallivm->builder,
+						is_face_positive,
+						front,
+						back,
+						"");
+		}
+
+		shader->ninterp++;
+	} else if (decl->Semantic.Name == TGSI_SEMANTIC_FOG) {
+		LLVMValueRef args[4];
+
+		args[0] = uint->zero;
+		args[1] = attr_number;
+		args[2] = params;
+		args[3] = interp_param;
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 0)] =
+			build_intrinsic(base->gallivm->builder, intr_name,
+						input_type, args, args[3] ? 4 : 3,
+						LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 1)] =
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 2)] =
+			lp_build_const_float(gallivm, 0.0f);
+		si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 3)] =
+			lp_build_const_float(gallivm, 1.0f);
+	} else {
+		for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+			LLVMValueRef args[4];
+			LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan);
+			unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan);
+			args[0] = llvm_chan;
+			args[1] = attr_number;
+			args[2] = params;
+			args[3] = interp_param;
+			si_shader_ctx->radeon_bld.inputs[soa_index] =
+				build_intrinsic(base->gallivm->builder, intr_name,
+						input_type, args, args[3] ? 4 : 3,
+						LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+		}
+	}
+}
+
+static void declare_input(
+	struct radeon_llvm_context * radeon_bld,
+	unsigned input_index,
+	const struct tgsi_full_declaration *decl)
+{
+	struct si_shader_context * si_shader_ctx =
+				si_shader_context(&radeon_bld->soa.bld_base);
+	if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) {
+		declare_input_vs(si_shader_ctx, input_index, decl);
+	} else if (si_shader_ctx->type == TGSI_PROCESSOR_FRAGMENT) {
+		declare_input_fs(si_shader_ctx, input_index, decl);
+	} else {
+		fprintf(stderr, "Warning: Unsupported shader type,\n");
+	}
+}
+
+static void declare_system_value(
+	struct radeon_llvm_context * radeon_bld,
+	unsigned index,
+	const struct tgsi_full_declaration *decl)
+{
+	struct si_shader_context *si_shader_ctx =
+		si_shader_context(&radeon_bld->soa.bld_base);
+	LLVMValueRef value = 0;
+
+	switch (decl->Semantic.Name) {
+	case TGSI_SEMANTIC_INSTANCEID:
+		value = LLVMGetParam(radeon_bld->main_fn,
+				     si_shader_ctx->param_instance_id);
+		break;
+
+	case TGSI_SEMANTIC_VERTEXID:
+		value = LLVMGetParam(radeon_bld->main_fn,
+				     si_shader_ctx->param_vertex_id);
+		break;
+
+	default:
+		assert(!"unknown system value");
+		return;
+	}
+
+	radeon_bld->system_values[index] = value;
+}
+
+static LLVMValueRef fetch_constant(
+	struct lp_build_tgsi_context * bld_base,
+	const struct tgsi_full_src_register *reg,
+	enum tgsi_opcode_type type,
+	unsigned swizzle)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	struct lp_build_context * base = &bld_base->base;
+	const struct tgsi_ind_register *ireg = &reg->Indirect;
+	unsigned buf, idx;
+
+	LLVMValueRef args[2];
+	LLVMValueRef addr;
+	LLVMValueRef result;
+
+	if (swizzle == LP_CHAN_ALL) {
+		unsigned chan;
+		LLVMValueRef values[4];
+		for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan)
+			values[chan] = fetch_constant(bld_base, reg, type, chan);
+
+		return lp_build_gather_values(bld_base->base.gallivm, values, 4);
+	}
+
+	buf = reg->Register.Dimension ? reg->Dimension.Index : 0;
+	idx = reg->Register.Index * 4 + swizzle;
+
+	if (!reg->Register.Indirect)
+		return bitcast(bld_base, type, si_shader_ctx->constants[buf][idx]);
+
+	args[0] = si_shader_ctx->const_resource[buf];
+	args[1] = lp_build_const_int32(base->gallivm, idx * 4);
+	addr = si_shader_ctx->radeon_bld.soa.addr[ireg->Index][ireg->Swizzle];
+	addr = LLVMBuildLoad(base->gallivm->builder, addr, "load addr reg");
+	addr = lp_build_mul_imm(&bld_base->uint_bld, addr, 16);
+	args[1] = lp_build_add(&bld_base->uint_bld, addr, args[1]);
+
+	result = build_intrinsic(base->gallivm->builder, "llvm.SI.load.const", base->elem_type,
+                                 args, 2, LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+
+	return bitcast(bld_base, type, result);
+}
+
+/* Initialize arguments for the shader export intrinsic */
+static void si_llvm_init_export_args(struct lp_build_tgsi_context *bld_base,
+				     struct tgsi_full_declaration *d,
+				     unsigned index,
+				     unsigned target,
+				     LLVMValueRef *args)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	struct lp_build_context *uint =
+				&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
+	struct lp_build_context *base = &bld_base->base;
+	unsigned compressed = 0;
+	unsigned chan;
+
+	if (si_shader_ctx->type == TGSI_PROCESSOR_FRAGMENT) {
+		int cbuf = target - V_008DFC_SQ_EXP_MRT;
+
+		if (cbuf >= 0 && cbuf < 8) {
+			compressed = (si_shader_ctx->shader->key.ps.export_16bpc >> cbuf) & 0x1;
+
+			if (compressed)
+				si_shader_ctx->shader->spi_shader_col_format |=
+					V_028714_SPI_SHADER_FP16_ABGR << (4 * cbuf);
+			else
+				si_shader_ctx->shader->spi_shader_col_format |=
+					V_028714_SPI_SHADER_32_ABGR << (4 * cbuf);
+
+			si_shader_ctx->shader->cb_shader_mask |= 0xf << (4 * cbuf);
+		}
+	}
+
+	if (compressed) {
+		/* Pixel shader needs to pack output values before export */
+		for (chan = 0; chan < 2; chan++ ) {
+			LLVMValueRef *out_ptr =
+				si_shader_ctx->radeon_bld.soa.outputs[index];
+			args[0] = LLVMBuildLoad(base->gallivm->builder,
+						out_ptr[2 * chan], "");
+			args[1] = LLVMBuildLoad(base->gallivm->builder,
+						out_ptr[2 * chan + 1], "");
+			args[chan + 5] =
+				build_intrinsic(base->gallivm->builder,
+						"llvm.SI.packf16",
+						LLVMInt32TypeInContext(base->gallivm->context),
+						args, 2,
+						LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+			args[chan + 7] = args[chan + 5] =
+				LLVMBuildBitCast(base->gallivm->builder,
+						 args[chan + 5],
+						 LLVMFloatTypeInContext(base->gallivm->context),
+						 "");
+		}
+
+		/* Set COMPR flag */
+		args[4] = uint->one;
+	} else {
+		for (chan = 0; chan < 4; chan++ ) {
+			LLVMValueRef out_ptr =
+				si_shader_ctx->radeon_bld.soa.outputs[index][chan];
+			/* +5 because the first output value will be
+			 * the 6th argument to the intrinsic. */
+			args[chan + 5] = LLVMBuildLoad(base->gallivm->builder,
+						       out_ptr, "");
+		}
+
+		/* Clear COMPR flag */
+		args[4] = uint->zero;
+	}
+
+	/* XXX: This controls which components of the output
+	 * registers actually get exported. (e.g bit 0 means export
+	 * X component, bit 1 means export Y component, etc.)  I'm
+	 * hard coding this to 0xf for now.  In the future, we might
+	 * want to do something else. */
+	args[0] = lp_build_const_int32(base->gallivm, 0xf);
+
+	/* Specify whether the EXEC mask represents the valid mask */
+	args[1] = uint->zero;
+
+	/* Specify whether this is the last export */
+	args[2] = uint->zero;
+
+	/* Specify the target we are exporting */
+	args[3] = lp_build_const_int32(base->gallivm, target);
+
+	/* XXX: We probably need to keep track of the output
+	 * values, so we know what we are passing to the next
+	 * stage. */
+}
+
+static void si_alpha_test(struct lp_build_tgsi_context *bld_base,
+			  unsigned index)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	struct gallivm_state *gallivm = bld_base->base.gallivm;
+
+	if (si_shader_ctx->shader->key.ps.alpha_func != PIPE_FUNC_NEVER) {
+		LLVMValueRef out_ptr = si_shader_ctx->radeon_bld.soa.outputs[index][3];
+		LLVMValueRef alpha_ref = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+				SI_PARAM_ALPHA_REF);
+
+		LLVMValueRef alpha_pass =
+			lp_build_cmp(&bld_base->base,
+				     si_shader_ctx->shader->key.ps.alpha_func,
+				     LLVMBuildLoad(gallivm->builder, out_ptr, ""),
+				     alpha_ref);
+		LLVMValueRef arg =
+			lp_build_select(&bld_base->base,
+					alpha_pass,
+					lp_build_const_float(gallivm, 1.0f),
+					lp_build_const_float(gallivm, -1.0f));
+
+		build_intrinsic(gallivm->builder,
+				"llvm.AMDGPU.kill",
+				LLVMVoidTypeInContext(gallivm->context),
+				&arg, 1, 0);
+	} else {
+		build_intrinsic(gallivm->builder,
+				"llvm.AMDGPU.kilp",
+				LLVMVoidTypeInContext(gallivm->context),
+				NULL, 0, 0);
+	}
+}
+
+static void si_alpha_to_one(struct lp_build_tgsi_context *bld_base,
+			    unsigned index)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+
+	/* set alpha to one */
+	LLVMBuildStore(bld_base->base.gallivm->builder,
+		       bld_base->base.one,
+		       si_shader_ctx->radeon_bld.soa.outputs[index][3]);
+}
+
+static void si_llvm_emit_clipvertex(struct lp_build_tgsi_context * bld_base,
+				    LLVMValueRef (*pos)[9], unsigned index)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	struct si_pipe_shader *shader = si_shader_ctx->shader;
+	struct lp_build_context *base = &bld_base->base;
+	struct lp_build_context *uint = &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
+	unsigned reg_index;
+	unsigned chan;
+	unsigned const_chan;
+	LLVMValueRef out_elts[4];
+	LLVMValueRef base_elt;
+	LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
+	LLVMValueRef constbuf_index = lp_build_const_int32(base->gallivm, NUM_PIPE_CONST_BUFFERS);
+	LLVMValueRef const_resource = build_indexed_load(si_shader_ctx, ptr, constbuf_index);
+
+	for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+		LLVMValueRef out_ptr = si_shader_ctx->radeon_bld.soa.outputs[index][chan];
+		out_elts[chan] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
+	}
+
+	for (reg_index = 0; reg_index < 2; reg_index ++) {
+		LLVMValueRef *args = pos[2 + reg_index];
+
+		if (!(shader->key.vs.ucps_enabled & (1 << reg_index)))
+			continue;
+
+		shader->shader.clip_dist_write |= 0xf << (4 * reg_index);
+
+		args[5] =
+		args[6] =
+		args[7] =
+		args[8] = lp_build_const_float(base->gallivm, 0.0f);
+
+		/* Compute dot products of position and user clip plane vectors */
+		for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+			for (const_chan = 0; const_chan < TGSI_NUM_CHANNELS; const_chan++) {
+				args[0] = const_resource;
+				args[1] = lp_build_const_int32(base->gallivm,
+							       ((reg_index * 4 + chan) * 4 +
+								const_chan) * 4);
+				base_elt = build_intrinsic(base->gallivm->builder,
+							   "llvm.SI.load.const",
+							   base->elem_type,
+							   args, 2,
+							   LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+				args[5 + chan] =
+					lp_build_add(base, args[5 + chan],
+						     lp_build_mul(base, base_elt,
+								  out_elts[const_chan]));
+			}
+		}
+
+		args[0] = lp_build_const_int32(base->gallivm, 0xf);
+		args[1] = uint->zero;
+		args[2] = uint->zero;
+		args[3] = lp_build_const_int32(base->gallivm,
+					       V_008DFC_SQ_EXP_POS + 2 + reg_index);
+		args[4] = uint->zero;
+	}
+}
+
+static void si_dump_streamout(struct pipe_stream_output_info *so)
+{
+	unsigned i;
+
+	if (so->num_outputs)
+		fprintf(stderr, "STREAMOUT\n");
+
+	for (i = 0; i < so->num_outputs; i++) {
+		unsigned mask = ((1 << so->output[i].num_components) - 1) <<
+				so->output[i].start_component;
+		fprintf(stderr, "  %i: BUF%i[%i..%i] <- OUT[%i].%s%s%s%s\n",
+			i, so->output[i].output_buffer,
+			so->output[i].dst_offset, so->output[i].dst_offset + so->output[i].num_components - 1,
+			so->output[i].register_index,
+			mask & 1 ? "x" : "",
+		        mask & 2 ? "y" : "",
+		        mask & 4 ? "z" : "",
+		        mask & 8 ? "w" : "");
+	}
+}
+
+/* TBUFFER_STORE_FORMAT_{X,XY,XYZ,XYZW} <- the suffix is selected by num_channels=1..4.
+ * The type of vdata must be one of i32 (num_channels=1), v2i32 (num_channels=2),
+ * or v4i32 (num_channels=3,4). */
+static void build_tbuffer_store(struct si_shader_context *shader,
+				LLVMValueRef rsrc,
+				LLVMValueRef vdata,
+				unsigned num_channels,
+				LLVMValueRef vaddr,
+				LLVMValueRef soffset,
+				unsigned inst_offset,
+				unsigned dfmt,
+				unsigned nfmt,
+				unsigned offen,
+				unsigned idxen,
+				unsigned glc,
+				unsigned slc,
+				unsigned tfe)
+{
+	struct gallivm_state *gallivm = &shader->radeon_bld.gallivm;
+	LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
+	LLVMValueRef args[] = {
+		rsrc,
+		vdata,
+		LLVMConstInt(i32, num_channels, 0),
+		vaddr,
+		soffset,
+		LLVMConstInt(i32, inst_offset, 0),
+		LLVMConstInt(i32, dfmt, 0),
+		LLVMConstInt(i32, nfmt, 0),
+		LLVMConstInt(i32, offen, 0),
+		LLVMConstInt(i32, idxen, 0),
+		LLVMConstInt(i32, glc, 0),
+		LLVMConstInt(i32, slc, 0),
+		LLVMConstInt(i32, tfe, 0)
+	};
+
+	/* The intrinsic is overloaded, we need to add a type suffix for overloading to work. */
+	unsigned func = CLAMP(num_channels, 1, 3) - 1;
+	const char *types[] = {"i32", "v2i32", "v4i32"};
+	char name[256];
+	snprintf(name, sizeof(name), "llvm.SI.tbuffer.store.%s", types[func]);
+
+	lp_build_intrinsic(gallivm->builder, name,
+			   LLVMVoidTypeInContext(gallivm->context),
+			   args, Elements(args));
+}
+
+static void build_streamout_store(struct si_shader_context *shader,
+				  LLVMValueRef rsrc,
+				  LLVMValueRef vdata,
+				  unsigned num_channels,
+				  LLVMValueRef vaddr,
+				  LLVMValueRef soffset,
+				  unsigned inst_offset)
+{
+	static unsigned dfmt[] = {
+		V_008F0C_BUF_DATA_FORMAT_32,
+		V_008F0C_BUF_DATA_FORMAT_32_32,
+		V_008F0C_BUF_DATA_FORMAT_32_32_32,
+		V_008F0C_BUF_DATA_FORMAT_32_32_32_32
+	};
+	assert(num_channels >= 1 && num_channels <= 4);
+
+	build_tbuffer_store(shader, rsrc, vdata, num_channels, vaddr, soffset,
+			    inst_offset, dfmt[num_channels-1],
+			    V_008F0C_BUF_NUM_FORMAT_UINT, 1, 0, 1, 1, 0);
+}
+
+/* On SI, the vertex shader is responsible for writing streamout data
+ * to buffers. */
+static void si_llvm_emit_streamout(struct si_shader_context *shader)
+{
+	struct pipe_stream_output_info *so = &shader->shader->selector->so;
+	struct gallivm_state *gallivm = &shader->radeon_bld.gallivm;
+	LLVMBuilderRef builder = gallivm->builder;
+	int i, j;
+	struct lp_build_if_state if_ctx;
+
+	LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
+
+	LLVMValueRef so_param =
+		LLVMGetParam(shader->radeon_bld.main_fn,
+			     shader->param_streamout_config);
+
+	/* Get bits [22:16], i.e. (so_param >> 16) & 127; */
+	LLVMValueRef so_vtx_count =
+		LLVMBuildAnd(builder,
+			     LLVMBuildLShr(builder, so_param,
+					   LLVMConstInt(i32, 16, 0), ""),
+			     LLVMConstInt(i32, 127, 0), "");
+
+	LLVMValueRef tid = build_intrinsic(builder, "llvm.SI.tid", i32,
+					   NULL, 0, LLVMReadNoneAttribute);
+
+	/* can_emit = tid < so_vtx_count; */
+	LLVMValueRef can_emit =
+		LLVMBuildICmp(builder, LLVMIntULT, tid, so_vtx_count, "");
+
+	/* Emit the streamout code conditionally. This actually avoids
+	 * out-of-bounds buffer access. The hw tells us via the SGPR
+	 * (so_vtx_count) which threads are allowed to emit streamout data. */
+	lp_build_if(&if_ctx, gallivm, can_emit);
+	{
+		/* The buffer offset is computed as follows:
+		 *   ByteOffset = streamout_offset[buffer_id]*4 +
+		 *                (streamout_write_index + thread_id)*stride[buffer_id] +
+		 *                attrib_offset
+                 */
+
+		LLVMValueRef so_write_index =
+			LLVMGetParam(shader->radeon_bld.main_fn,
+				     shader->param_streamout_write_index);
+
+		/* Compute (streamout_write_index + thread_id). */
+		so_write_index = LLVMBuildAdd(builder, so_write_index, tid, "");
+
+		/* Compute the write offset for each enabled buffer. */
+		LLVMValueRef so_write_offset[4] = {};
+		for (i = 0; i < 4; i++) {
+			if (!so->stride[i])
+				continue;
+
+			LLVMValueRef so_offset = LLVMGetParam(shader->radeon_bld.main_fn,
+							      shader->param_streamout_offset[i]);
+			so_offset = LLVMBuildMul(builder, so_offset, LLVMConstInt(i32, 4, 0), "");
+
+			so_write_offset[i] = LLVMBuildMul(builder, so_write_index,
+							  LLVMConstInt(i32, so->stride[i]*4, 0), "");
+			so_write_offset[i] = LLVMBuildAdd(builder, so_write_offset[i], so_offset, "");
+		}
+
+		LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS] = shader->radeon_bld.soa.outputs;
+
+		/* Write streamout data. */
+		for (i = 0; i < so->num_outputs; i++) {
+			unsigned buf_idx = so->output[i].output_buffer;
+			unsigned reg = so->output[i].register_index;
+			unsigned start = so->output[i].start_component;
+			unsigned num_comps = so->output[i].num_components;
+			LLVMValueRef out[4];
+
+			assert(num_comps && num_comps <= 4);
+			if (!num_comps || num_comps > 4)
+				continue;
+
+			/* Load the output as int. */
+			for (j = 0; j < num_comps; j++) {
+				out[j] = LLVMBuildLoad(builder, outputs[reg][start+j], "");
+				out[j] = LLVMBuildBitCast(builder, out[j], i32, "");
+			}
+
+			/* Pack the output. */
+			LLVMValueRef vdata = NULL;
+
+			switch (num_comps) {
+			case 1: /* as i32 */
+				vdata = out[0];
+				break;
+			case 2: /* as v2i32 */
+			case 3: /* as v4i32 (aligned to 4) */
+			case 4: /* as v4i32 */
+				vdata = LLVMGetUndef(LLVMVectorType(i32, util_next_power_of_two(num_comps)));
+				for (j = 0; j < num_comps; j++) {
+					vdata = LLVMBuildInsertElement(builder, vdata, out[j],
+								       LLVMConstInt(i32, j, 0), "");
+				}
+				break;
+			}
+
+			build_streamout_store(shader, shader->so_buffers[buf_idx],
+					      vdata, num_comps,
+					      so_write_offset[buf_idx],
+					      LLVMConstInt(i32, 0, 0),
+					      so->output[i].dst_offset*4);
+		}
+	}
+	lp_build_endif(&if_ctx);
+}
+
+
+static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
+{
+	struct si_shader_context * si_shader_ctx = si_shader_context(bld_base);
+	struct si_shader * shader = &si_shader_ctx->shader->shader;
+	struct lp_build_context * base = &bld_base->base;
+	struct lp_build_context * uint =
+				&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
+	struct tgsi_parse_context *parse = &si_shader_ctx->parse;
+	LLVMValueRef args[9];
+	LLVMValueRef last_args[9] = { 0 };
+	LLVMValueRef pos_args[4][9] = { { 0 } };
+	unsigned semantic_name;
+	unsigned param_count = 0;
+	int depth_index = -1, stencil_index = -1, psize_index = -1, edgeflag_index = -1;
+	int layer_index = -1;
+	int i;
+
+	if (si_shader_ctx->shader->selector->so.num_outputs) {
+		si_llvm_emit_streamout(si_shader_ctx);
+	}
+
+	while (!tgsi_parse_end_of_tokens(parse)) {
+		struct tgsi_full_declaration *d =
+					&parse->FullToken.FullDeclaration;
+		unsigned target;
+		unsigned index;
+
+		tgsi_parse_token(parse);
+
+		if (parse->FullToken.Token.Type == TGSI_TOKEN_TYPE_PROPERTY &&
+		    parse->FullToken.FullProperty.Property.PropertyName ==
+		    TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS)
+			shader->fs_write_all = TRUE;
+
+		if (parse->FullToken.Token.Type != TGSI_TOKEN_TYPE_DECLARATION)
+			continue;
+
+		switch (d->Declaration.File) {
+		case TGSI_FILE_INPUT:
+			i = shader->ninput++;
+			assert(i < Elements(shader->input));
+			shader->input[i].name = d->Semantic.Name;
+			shader->input[i].sid = d->Semantic.Index;
+			shader->input[i].interpolate = d->Interp.Interpolate;
+			shader->input[i].centroid = d->Interp.Centroid;
+			continue;
+
+		case TGSI_FILE_OUTPUT:
+			i = shader->noutput++;
+			assert(i < Elements(shader->output));
+			shader->output[i].name = d->Semantic.Name;
+			shader->output[i].sid = d->Semantic.Index;
+			shader->output[i].interpolate = d->Interp.Interpolate;
+			break;
+
+		default:
+			continue;
+		}
+
+		semantic_name = d->Semantic.Name;
+handle_semantic:
+		for (index = d->Range.First; index <= d->Range.Last; index++) {
+			/* Select the correct target */
+			switch(semantic_name) {
+			case TGSI_SEMANTIC_PSIZE:
+				shader->vs_out_misc_write = true;
+				shader->vs_out_point_size = true;
+				psize_index = index;
+				continue;
+			case TGSI_SEMANTIC_EDGEFLAG:
+				shader->vs_out_misc_write = true;
+				shader->vs_out_edgeflag = true;
+				edgeflag_index = index;
+				continue;
+			case TGSI_SEMANTIC_LAYER:
+				shader->vs_out_misc_write = true;
+				shader->vs_out_layer = true;
+				layer_index = index;
+				continue;
+			case TGSI_SEMANTIC_POSITION:
+				if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) {
+					target = V_008DFC_SQ_EXP_POS;
+					break;
+				} else {
+					depth_index = index;
+					continue;
+				}
+			case TGSI_SEMANTIC_STENCIL:
+				stencil_index = index;
+				continue;
+			case TGSI_SEMANTIC_COLOR:
+				if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) {
+			case TGSI_SEMANTIC_BCOLOR:
+					target = V_008DFC_SQ_EXP_PARAM + param_count;
+					shader->output[i].param_offset = param_count;
+					param_count++;
+				} else {
+					target = V_008DFC_SQ_EXP_MRT + shader->output[i].sid;
+					if (si_shader_ctx->shader->key.ps.alpha_to_one) {
+						si_alpha_to_one(bld_base, index);
+					}
+					if (shader->output[i].sid == 0 &&
+					    si_shader_ctx->shader->key.ps.alpha_func != PIPE_FUNC_ALWAYS)
+						si_alpha_test(bld_base, index);
+				}
+				break;
+			case TGSI_SEMANTIC_CLIPDIST:
+				if (!(si_shader_ctx->shader->key.vs.ucps_enabled &
+				      (1 << d->Semantic.Index)))
+					continue;
+				shader->clip_dist_write |=
+					d->Declaration.UsageMask << (d->Semantic.Index << 2);
+				target = V_008DFC_SQ_EXP_POS + 2 + d->Semantic.Index;
+				break;
+			case TGSI_SEMANTIC_CLIPVERTEX:
+				si_llvm_emit_clipvertex(bld_base, pos_args, index);
+				continue;
+			case TGSI_SEMANTIC_FOG:
+			case TGSI_SEMANTIC_GENERIC:
+				target = V_008DFC_SQ_EXP_PARAM + param_count;
+				shader->output[i].param_offset = param_count;
+				param_count++;
+				break;
+			default:
+				target = 0;
+				fprintf(stderr,
+					"Warning: SI unhandled output type:%d\n",
+					semantic_name);
+			}
+
+			si_llvm_init_export_args(bld_base, d, index, target, args);
+
+			if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX &&
+			    target >= V_008DFC_SQ_EXP_POS &&
+			    target <= (V_008DFC_SQ_EXP_POS + 3)) {
+				memcpy(pos_args[target - V_008DFC_SQ_EXP_POS],
+				       args, sizeof(args));
+			} else if (si_shader_ctx->type == TGSI_PROCESSOR_FRAGMENT &&
+				   semantic_name == TGSI_SEMANTIC_COLOR) {
+				/* If there is an export instruction waiting to be emitted, do so now. */
+				if (last_args[0]) {
+					lp_build_intrinsic(base->gallivm->builder,
+							   "llvm.SI.export",
+							   LLVMVoidTypeInContext(base->gallivm->context),
+							   last_args, 9);
+				}
+
+				/* This instruction will be emitted at the end of the shader. */
+				memcpy(last_args, args, sizeof(args));
+
+				/* Handle FS_COLOR0_WRITES_ALL_CBUFS. */
+				if (shader->fs_write_all && shader->output[i].sid == 0 &&
+				    si_shader_ctx->shader->key.ps.nr_cbufs > 1) {
+					for (int c = 1; c < si_shader_ctx->shader->key.ps.nr_cbufs; c++) {
+						si_llvm_init_export_args(bld_base, d, index,
+									 V_008DFC_SQ_EXP_MRT + c, args);
+						lp_build_intrinsic(base->gallivm->builder,
+								   "llvm.SI.export",
+								   LLVMVoidTypeInContext(base->gallivm->context),
+								   args, 9);
+					}
+				}
+			} else {
+				lp_build_intrinsic(base->gallivm->builder,
+						   "llvm.SI.export",
+						   LLVMVoidTypeInContext(base->gallivm->context),
+						   args, 9);
+			}
+		}
+
+		if (semantic_name == TGSI_SEMANTIC_CLIPDIST) {
+			semantic_name = TGSI_SEMANTIC_GENERIC;
+			goto handle_semantic;
+		}
+	}
+
+	if (depth_index >= 0 || stencil_index >= 0) {
+		LLVMValueRef out_ptr;
+		unsigned mask = 0;
+
+		/* Specify the target we are exporting */
+		args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRTZ);
+
+		if (depth_index >= 0) {
+			out_ptr = si_shader_ctx->radeon_bld.soa.outputs[depth_index][2];
+			args[5] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
+			mask |= 0x1;
+
+			if (stencil_index < 0) {
+				args[6] =
+				args[7] =
+				args[8] = args[5];
+			}
+		}
+
+		if (stencil_index >= 0) {
+			out_ptr = si_shader_ctx->radeon_bld.soa.outputs[stencil_index][1];
+			args[7] =
+			args[8] =
+			args[6] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
+			/* Only setting the stencil component bit (0x2) here
+			 * breaks some stencil piglit tests
+			 */
+			mask |= 0x3;
+
+			if (depth_index < 0)
+				args[5] = args[6];
+		}
+
+		/* Specify which components to enable */
+		args[0] = lp_build_const_int32(base->gallivm, mask);
+
+		args[1] =
+		args[2] =
+		args[4] = uint->zero;
+
+		if (last_args[0])
+			lp_build_intrinsic(base->gallivm->builder,
+					   "llvm.SI.export",
+					   LLVMVoidTypeInContext(base->gallivm->context),
+					   args, 9);
+		else
+			memcpy(last_args, args, sizeof(args));
+	}
+
+	if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) {
+		unsigned pos_idx = 0;
+
+		/* We need to add the position output manually if it's missing. */
+		if (!pos_args[0][0]) {
+			pos_args[0][0] = lp_build_const_int32(base->gallivm, 0xf); /* writemask */
+			pos_args[0][1] = uint->zero; /* EXEC mask */
+			pos_args[0][2] = uint->zero; /* last export? */
+			pos_args[0][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS);
+			pos_args[0][4] = uint->zero; /* COMPR flag */
+			pos_args[0][5] = base->zero; /* X */
+			pos_args[0][6] = base->zero; /* Y */
+			pos_args[0][7] = base->zero; /* Z */
+			pos_args[0][8] = base->one;  /* W */
+		}
+
+		/* Write the misc vector (point size, edgeflag, layer, viewport). */
+		if (shader->vs_out_misc_write) {
+			pos_args[1][0] = lp_build_const_int32(base->gallivm, /* writemask */
+							      shader->vs_out_point_size |
+							      (shader->vs_out_edgeflag << 1) |
+							      (shader->vs_out_layer << 2));
+			pos_args[1][1] = uint->zero; /* EXEC mask */
+			pos_args[1][2] = uint->zero; /* last export? */
+			pos_args[1][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + 1);
+			pos_args[1][4] = uint->zero; /* COMPR flag */
+			pos_args[1][5] = base->zero; /* X */
+			pos_args[1][6] = base->zero; /* Y */
+			pos_args[1][7] = base->zero; /* Z */
+			pos_args[1][8] = base->zero; /* W */
+
+			if (shader->vs_out_point_size) {
+				pos_args[1][5] = LLVMBuildLoad(base->gallivm->builder,
+					si_shader_ctx->radeon_bld.soa.outputs[psize_index][0], "");
+			}
+
+			if (shader->vs_out_edgeflag) {
+				LLVMValueRef output = LLVMBuildLoad(base->gallivm->builder,
+					si_shader_ctx->radeon_bld.soa.outputs[edgeflag_index][0], "");
+
+				/* The output is a float, but the hw expects an integer
+				 * with the first bit containing the edge flag. */
+				output = LLVMBuildFPToUI(base->gallivm->builder, output,
+							 bld_base->uint_bld.elem_type, "");
+
+				output = lp_build_min(&bld_base->int_bld, output, bld_base->int_bld.one);
+
+				/* The LLVM intrinsic expects a float. */
+				pos_args[1][6] = LLVMBuildBitCast(base->gallivm->builder, output,
+								  base->elem_type, "");
+			}
+
+			if (shader->vs_out_layer) {
+				pos_args[1][7] = LLVMBuildLoad(base->gallivm->builder,
+					si_shader_ctx->radeon_bld.soa.outputs[layer_index][0], "");
+			}
+		}
+
+		for (i = 0; i < 4; i++)
+			if (pos_args[i][0])
+				shader->nr_pos_exports++;
+
+		for (i = 0; i < 4; i++) {
+			if (!pos_args[i][0])
+				continue;
+
+			/* Specify the target we are exporting */
+			pos_args[i][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS + pos_idx++);
+
+			if (pos_idx == shader->nr_pos_exports)
+				/* Specify that this is the last export */
+				pos_args[i][2] = uint->one;
+
+			lp_build_intrinsic(base->gallivm->builder,
+					   "llvm.SI.export",
+					   LLVMVoidTypeInContext(base->gallivm->context),
+					   pos_args[i], 9);
+		}
+	} else {
+		if (!last_args[0]) {
+			/* Specify which components to enable */
+			last_args[0] = lp_build_const_int32(base->gallivm, 0x0);
+
+			/* Specify the target we are exporting */
+			last_args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRT);
+
+			/* Set COMPR flag to zero to export data as 32-bit */
+			last_args[4] = uint->zero;
+
+			/* dummy bits */
+			last_args[5]= uint->zero;
+			last_args[6]= uint->zero;
+			last_args[7]= uint->zero;
+			last_args[8]= uint->zero;
+
+			si_shader_ctx->shader->spi_shader_col_format |=
+				V_028714_SPI_SHADER_32_ABGR;
+			si_shader_ctx->shader->cb_shader_mask |= S_02823C_OUTPUT0_ENABLE(0xf);
+		}
+
+		/* Specify whether the EXEC mask represents the valid mask */
+		last_args[1] = uint->one;
+
+		/* Specify that this is the last export */
+		last_args[2] = lp_build_const_int32(base->gallivm, 1);
+
+		lp_build_intrinsic(base->gallivm->builder,
+				   "llvm.SI.export",
+				   LLVMVoidTypeInContext(base->gallivm->context),
+				   last_args, 9);
+	}
+}
+
+static const struct lp_build_tgsi_action txf_action;
+
+static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
+				struct lp_build_tgsi_context * bld_base,
+				struct lp_build_emit_data * emit_data);
+
+static void tex_fetch_args(
+	struct lp_build_tgsi_context * bld_base,
+	struct lp_build_emit_data * emit_data)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	struct gallivm_state *gallivm = bld_base->base.gallivm;
+	const struct tgsi_full_instruction * inst = emit_data->inst;
+	unsigned opcode = inst->Instruction.Opcode;
+	unsigned target = inst->Texture.Texture;
+	LLVMValueRef coords[4];
+	LLVMValueRef address[16];
+	int ref_pos;
+	unsigned num_coords = tgsi_util_get_texture_coord_dim(target, &ref_pos);
+	unsigned count = 0;
+	unsigned chan;
+	unsigned sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1;
+	unsigned sampler_index = emit_data->inst->Src[sampler_src].Register.Index;
+
+	if (target == TGSI_TEXTURE_BUFFER) {
+		LLVMTypeRef i128 = LLVMIntTypeInContext(gallivm->context, 128);
+		LLVMTypeRef v2i128 = LLVMVectorType(i128, 2);
+		LLVMTypeRef i8 = LLVMInt8TypeInContext(gallivm->context);
+		LLVMTypeRef v16i8 = LLVMVectorType(i8, 16);
+
+		/* Truncate v32i8 to v16i8. */
+		LLVMValueRef res = si_shader_ctx->resources[sampler_index];
+		res = LLVMBuildBitCast(gallivm->builder, res, v2i128, "");
+		res = LLVMBuildExtractElement(gallivm->builder, res, bld_base->uint_bld.zero, "");
+		res = LLVMBuildBitCast(gallivm->builder, res, v16i8, "");
+
+		emit_data->dst_type = LLVMVectorType(bld_base->base.elem_type, 4);
+		emit_data->args[0] = res;
+		emit_data->args[1] = bld_base->uint_bld.zero;
+		emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, 0);
+		emit_data->arg_count = 3;
+		return;
+	}
+
+	/* Fetch and project texture coordinates */
+	coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W);
+	for (chan = 0; chan < 3; chan++ ) {
+		coords[chan] = lp_build_emit_fetch(bld_base,
+						   emit_data->inst, 0,
+						   chan);
+		if (opcode == TGSI_OPCODE_TXP)
+			coords[chan] = lp_build_emit_llvm_binary(bld_base,
+								 TGSI_OPCODE_DIV,
+								 coords[chan],
+								 coords[3]);
+	}
+
+	if (opcode == TGSI_OPCODE_TXP)
+		coords[3] = bld_base->base.one;
+
+	/* Pack LOD bias value */
+	if (opcode == TGSI_OPCODE_TXB)
+		address[count++] = coords[3];
+
+	if (target == TGSI_TEXTURE_CUBE || target == TGSI_TEXTURE_SHADOWCUBE)
+		radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, coords);
+
+	/* Pack depth comparison value */
+	switch (target) {
+	case TGSI_TEXTURE_SHADOW1D:
+	case TGSI_TEXTURE_SHADOW1D_ARRAY:
+	case TGSI_TEXTURE_SHADOW2D:
+	case TGSI_TEXTURE_SHADOWRECT:
+	case TGSI_TEXTURE_SHADOWCUBE:
+	case TGSI_TEXTURE_SHADOW2D_ARRAY:
+		assert(ref_pos >= 0);
+		address[count++] = coords[ref_pos];
+		break;
+	case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
+		address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0);
+	}
+
+	/* Pack user derivatives */
+	if (opcode == TGSI_OPCODE_TXD) {
+		for (chan = 0; chan < 2; chan++) {
+			address[count++] = lp_build_emit_fetch(bld_base, inst, 1, chan);
+			if (num_coords > 1)
+				address[count++] = lp_build_emit_fetch(bld_base, inst, 2, chan);
+		}
+	}
+
+	/* Pack texture coordinates */
+	address[count++] = coords[0];
+	if (num_coords > 1)
+		address[count++] = coords[1];
+	if (num_coords > 2)
+		address[count++] = coords[2];
+
+	/* Pack LOD or sample index */
+	if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXF)
+		address[count++] = coords[3];
+
+	if (count > 16) {
+		assert(!"Cannot handle more than 16 texture address parameters");
+		count = 16;
+	}
+
+	for (chan = 0; chan < count; chan++ ) {
+		address[chan] = LLVMBuildBitCast(gallivm->builder,
+						 address[chan],
+						 LLVMInt32TypeInContext(gallivm->context),
+						 "");
+	}
+
+	/* Adjust the sample index according to FMASK.
+	 *
+	 * For uncompressed MSAA surfaces, FMASK should return 0x76543210,
+	 * which is the identity mapping. Each nibble says which physical sample
+	 * should be fetched to get that sample.
+	 *
+	 * For example, 0x11111100 means there are only 2 samples stored and
+	 * the second sample covers 3/4 of the pixel. When reading samples 0
+	 * and 1, return physical sample 0 (determined by the first two 0s
+	 * in FMASK), otherwise return physical sample 1.
+	 *
+	 * The sample index should be adjusted as follows:
+	 *   sample_index = (fmask >> (sample_index * 4)) & 0xF;
+	 */
+	if (target == TGSI_TEXTURE_2D_MSAA ||
+	    target == TGSI_TEXTURE_2D_ARRAY_MSAA) {
+		struct lp_build_context *uint_bld = &bld_base->uint_bld;
+		struct lp_build_emit_data txf_emit_data = *emit_data;
+		LLVMValueRef txf_address[4];
+		unsigned txf_count = count;
+
+		memcpy(txf_address, address, sizeof(txf_address));
+
+		if (target == TGSI_TEXTURE_2D_MSAA) {
+			txf_address[2] = bld_base->uint_bld.zero;
+		}
+		txf_address[3] = bld_base->uint_bld.zero;
+
+		/* Pad to a power-of-two size. */
+		while (txf_count < util_next_power_of_two(txf_count))
+			txf_address[txf_count++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm->context));
+
+		/* Read FMASK using TXF. */
+		txf_emit_data.chan = 0;
+		txf_emit_data.dst_type = LLVMVectorType(
+			LLVMInt32TypeInContext(bld_base->base.gallivm->context), 4);
+		txf_emit_data.args[0] = lp_build_gather_values(gallivm, txf_address, txf_count);
+		txf_emit_data.args[1] = si_shader_ctx->resources[FMASK_TEX_OFFSET + sampler_index];
+		txf_emit_data.args[2] = lp_build_const_int32(bld_base->base.gallivm,
+			target == TGSI_TEXTURE_2D_MSAA ? TGSI_TEXTURE_2D : TGSI_TEXTURE_2D_ARRAY);
+		txf_emit_data.arg_count = 3;
+
+		build_tex_intrinsic(&txf_action, bld_base, &txf_emit_data);
+
+		/* Initialize some constants. */
+		LLVMValueRef four = LLVMConstInt(uint_bld->elem_type, 4, 0);
+		LLVMValueRef F = LLVMConstInt(uint_bld->elem_type, 0xF, 0);
+
+		/* Apply the formula. */
+		LLVMValueRef fmask =
+			LLVMBuildExtractElement(gallivm->builder,
+						txf_emit_data.output[0],
+						uint_bld->zero, "");
+
+		unsigned sample_chan = target == TGSI_TEXTURE_2D_MSAA ? 2 : 3;
+
+		LLVMValueRef sample_index4 =
+			LLVMBuildMul(gallivm->builder, address[sample_chan], four, "");
+
+		LLVMValueRef shifted_fmask =
+			LLVMBuildLShr(gallivm->builder, fmask, sample_index4, "");
+
+		LLVMValueRef final_sample =
+			LLVMBuildAnd(gallivm->builder, shifted_fmask, F, "");
+
+		/* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK
+		 * resource descriptor is 0 (invalid),
+		 */
+		LLVMValueRef fmask_desc =
+			LLVMBuildBitCast(gallivm->builder,
+					 si_shader_ctx->resources[FMASK_TEX_OFFSET + sampler_index],
+					 LLVMVectorType(uint_bld->elem_type, 8), "");
+
+		LLVMValueRef fmask_word1 =
+			LLVMBuildExtractElement(gallivm->builder, fmask_desc,
+						uint_bld->one, "");
+
+		LLVMValueRef word1_is_nonzero =
+			LLVMBuildICmp(gallivm->builder, LLVMIntNE,
+				      fmask_word1, uint_bld->zero, "");
+
+		/* Replace the MSAA sample index. */
+		address[sample_chan] =
+			LLVMBuildSelect(gallivm->builder, word1_is_nonzero,
+					final_sample, address[sample_chan], "");
+	}
+
+	/* Resource */
+	emit_data->args[1] = si_shader_ctx->resources[sampler_index];
+
+	if (opcode == TGSI_OPCODE_TXF) {
+		/* add tex offsets */
+		if (inst->Texture.NumOffsets) {
+			struct lp_build_context *uint_bld = &bld_base->uint_bld;
+			struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
+			const struct tgsi_texture_offset * off = inst->TexOffsets;
+
+			assert(inst->Texture.NumOffsets == 1);
+
+			switch (target) {
+			case TGSI_TEXTURE_3D:
+				address[2] = lp_build_add(uint_bld, address[2],
+						bld->immediates[off->Index][off->SwizzleZ]);
+				/* fall through */
+			case TGSI_TEXTURE_2D:
+			case TGSI_TEXTURE_SHADOW2D:
+			case TGSI_TEXTURE_RECT:
+			case TGSI_TEXTURE_SHADOWRECT:
+			case TGSI_TEXTURE_2D_ARRAY:
+			case TGSI_TEXTURE_SHADOW2D_ARRAY:
+				address[1] =
+					lp_build_add(uint_bld, address[1],
+						bld->immediates[off->Index][off->SwizzleY]);
+				/* fall through */
+			case TGSI_TEXTURE_1D:
+			case TGSI_TEXTURE_SHADOW1D:
+			case TGSI_TEXTURE_1D_ARRAY:
+			case TGSI_TEXTURE_SHADOW1D_ARRAY:
+				address[0] =
+					lp_build_add(uint_bld, address[0],
+						bld->immediates[off->Index][off->SwizzleX]);
+				break;
+				/* texture offsets do not apply to other texture targets */
+			}
+		}
+
+		emit_data->dst_type = LLVMVectorType(
+			LLVMInt32TypeInContext(bld_base->base.gallivm->context),
+			4);
+
+		emit_data->arg_count = 3;
+	} else {
+		/* Sampler */
+		emit_data->args[2] = si_shader_ctx->samplers[sampler_index];
+
+		emit_data->dst_type = LLVMVectorType(
+			LLVMFloatTypeInContext(bld_base->base.gallivm->context),
+			4);
+
+		emit_data->arg_count = 4;
+	}
+
+	/* Dimensions */
+	emit_data->args[emit_data->arg_count - 1] =
+		lp_build_const_int32(bld_base->base.gallivm, target);
+
+	/* Pad to power of two vector */
+	while (count < util_next_power_of_two(count))
+		address[count++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm->context));
+
+	emit_data->args[0] = lp_build_gather_values(gallivm, address, count);
+}
+
+static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
+				struct lp_build_tgsi_context * bld_base,
+				struct lp_build_emit_data * emit_data)
+{
+	struct lp_build_context * base = &bld_base->base;
+	char intr_name[127];
+
+	if (emit_data->inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
+		emit_data->output[emit_data->chan] = build_intrinsic(
+			base->gallivm->builder,
+			"llvm.SI.vs.load.input", emit_data->dst_type,
+			emit_data->args, emit_data->arg_count,
+			LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+		return;
+	}
+
+	sprintf(intr_name, "%sv%ui32", action->intr_name,
+		LLVMGetVectorSize(LLVMTypeOf(emit_data->args[0])));
+
+	emit_data->output[emit_data->chan] = build_intrinsic(
+		base->gallivm->builder, intr_name, emit_data->dst_type,
+		emit_data->args, emit_data->arg_count,
+		LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+}
+
+static void txq_fetch_args(
+	struct lp_build_tgsi_context * bld_base,
+	struct lp_build_emit_data * emit_data)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	const struct tgsi_full_instruction *inst = emit_data->inst;
+	struct gallivm_state *gallivm = bld_base->base.gallivm;
+
+	if (inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
+		LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
+		LLVMTypeRef v8i32 = LLVMVectorType(i32, 8);
+
+		/* Read the size from the buffer descriptor directly. */
+		LLVMValueRef size = si_shader_ctx->resources[inst->Src[1].Register.Index];
+		size = LLVMBuildBitCast(gallivm->builder, size, v8i32, "");
+		size = LLVMBuildExtractElement(gallivm->builder, size,
+					      lp_build_const_int32(gallivm, 2), "");
+		emit_data->args[0] = size;
+		return;
+	}
+
+	/* Mip level */
+	emit_data->args[0] = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X);
+
+	/* Resource */
+	emit_data->args[1] = si_shader_ctx->resources[inst->Src[1].Register.Index];
+
+	/* Dimensions */
+	emit_data->args[2] = lp_build_const_int32(bld_base->base.gallivm,
+						  inst->Texture.Texture);
+
+	emit_data->arg_count = 3;
+
+	emit_data->dst_type = LLVMVectorType(
+		LLVMInt32TypeInContext(bld_base->base.gallivm->context),
+		4);
+}
+
+static void build_txq_intrinsic(const struct lp_build_tgsi_action * action,
+				struct lp_build_tgsi_context * bld_base,
+				struct lp_build_emit_data * emit_data)
+{
+	if (emit_data->inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
+		/* Just return the buffer size. */
+		emit_data->output[emit_data->chan] = emit_data->args[0];
+		return;
+	}
+
+	build_tgsi_intrinsic_nomem(action, bld_base, emit_data);
+}
+
+#if HAVE_LLVM >= 0x0304
+
+static void si_llvm_emit_ddxy(
+	const struct lp_build_tgsi_action * action,
+	struct lp_build_tgsi_context * bld_base,
+	struct lp_build_emit_data * emit_data)
+{
+	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+	struct gallivm_state *gallivm = bld_base->base.gallivm;
+	struct lp_build_context * base = &bld_base->base;
+	const struct tgsi_full_instruction *inst = emit_data->inst;
+	unsigned opcode = inst->Instruction.Opcode;
+	LLVMValueRef indices[2];
+	LLVMValueRef store_ptr, load_ptr0, load_ptr1;
+	LLVMValueRef tl, trbl, result[4];
+	LLVMTypeRef i32;
+	unsigned swizzle[4];
+	unsigned c;
+
+	i32 = LLVMInt32TypeInContext(gallivm->context);
+
+	indices[0] = bld_base->uint_bld.zero;
+	indices[1] = build_intrinsic(gallivm->builder, "llvm.SI.tid", i32,
+				     NULL, 0, LLVMReadNoneAttribute);
+	store_ptr = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds,
+				 indices, 2, "");
+
+	indices[1] = LLVMBuildAnd(gallivm->builder, indices[1],
+				  lp_build_const_int32(gallivm, 0xfffffffc), "");
+	load_ptr0 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds,
+				 indices, 2, "");
+
+	indices[1] = LLVMBuildAdd(gallivm->builder, indices[1],
+				  lp_build_const_int32(gallivm,
+						       opcode == TGSI_OPCODE_DDX ? 1 : 2),
+				  "");
+	load_ptr1 = LLVMBuildGEP(gallivm->builder, si_shader_ctx->ddxy_lds,
+				 indices, 2, "");
+
+	for (c = 0; c < 4; ++c) {
+		unsigned i;
+
+		swizzle[c] = tgsi_util_get_full_src_register_swizzle(&inst->Src[0], c);
+		for (i = 0; i < c; ++i) {
+			if (swizzle[i] == swizzle[c]) {
+				result[c] = result[i];
+				break;
+			}
+		}
+		if (i != c)
+			continue;
+
+		LLVMBuildStore(gallivm->builder,
+			       LLVMBuildBitCast(gallivm->builder,
+						lp_build_emit_fetch(bld_base, inst, 0, c),
+						i32, ""),
+			       store_ptr);
+
+		tl = LLVMBuildLoad(gallivm->builder, load_ptr0, "");
+		tl = LLVMBuildBitCast(gallivm->builder, tl, base->elem_type, "");
+
+		trbl = LLVMBuildLoad(gallivm->builder, load_ptr1, "");
+		trbl = LLVMBuildBitCast(gallivm->builder, trbl,	base->elem_type, "");
+
+		result[c] = LLVMBuildFSub(gallivm->builder, trbl, tl, "");
+	}
+
+	emit_data->output[0] = lp_build_gather_values(gallivm, result, 4);
+}
+
+#endif /* HAVE_LLVM >= 0x0304 */
+
+static const struct lp_build_tgsi_action tex_action = {
+	.fetch_args = tex_fetch_args,
+	.emit = build_tex_intrinsic,
+	.intr_name = "llvm.SI.sample."
+};
+
+static const struct lp_build_tgsi_action txb_action = {
+	.fetch_args = tex_fetch_args,
+	.emit = build_tex_intrinsic,
+	.intr_name = "llvm.SI.sampleb."
+};
+
+#if HAVE_LLVM >= 0x0304
+static const struct lp_build_tgsi_action txd_action = {
+	.fetch_args = tex_fetch_args,
+	.emit = build_tex_intrinsic,
+	.intr_name = "llvm.SI.sampled."
+};
+#endif
+
+static const struct lp_build_tgsi_action txf_action = {
+	.fetch_args = tex_fetch_args,
+	.emit = build_tex_intrinsic,
+	.intr_name = "llvm.SI.imageload."
+};
+
+static const struct lp_build_tgsi_action txl_action = {
+	.fetch_args = tex_fetch_args,
+	.emit = build_tex_intrinsic,
+	.intr_name = "llvm.SI.samplel."
+};
+
+static const struct lp_build_tgsi_action txq_action = {
+	.fetch_args = txq_fetch_args,
+	.emit = build_txq_intrinsic,
+	.intr_name = "llvm.SI.resinfo"
+};
+
+static void create_meta_data(struct si_shader_context *si_shader_ctx)
+{
+	struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
+	LLVMValueRef args[3];
+
+	args[0] = LLVMMDStringInContext(gallivm->context, "const", 5);
+	args[1] = 0;
+	args[2] = lp_build_const_int32(gallivm, 1);
+
+	si_shader_ctx->const_md = LLVMMDNodeInContext(gallivm->context, args, 3);
+}
+
+static void create_function(struct si_shader_context *si_shader_ctx)
+{
+	struct lp_build_tgsi_context *bld_base = &si_shader_ctx->radeon_bld.soa.bld_base;
+	struct gallivm_state *gallivm = bld_base->base.gallivm;
+	LLVMTypeRef params[21], f32, i8, i32, v2i32, v3i32;
+	unsigned i, last_sgpr, num_params;
+
+	i8 = LLVMInt8TypeInContext(gallivm->context);
+	i32 = LLVMInt32TypeInContext(gallivm->context);
+	f32 = LLVMFloatTypeInContext(gallivm->context);
+	v2i32 = LLVMVectorType(i32, 2);
+	v3i32 = LLVMVectorType(i32, 3);
+
+	params[SI_PARAM_CONST] = LLVMPointerType(
+		LLVMArrayType(LLVMVectorType(i8, 16), NUM_CONST_BUFFERS), CONST_ADDR_SPACE);
+	/* We assume at most 16 textures per program at the moment.
+	 * This need probably need to be changed to support bindless textures */
+	params[SI_PARAM_SAMPLER] = LLVMPointerType(
+		LLVMArrayType(LLVMVectorType(i8, 16), NUM_SAMPLER_VIEWS), CONST_ADDR_SPACE);
+	params[SI_PARAM_RESOURCE] = LLVMPointerType(
+		LLVMArrayType(LLVMVectorType(i8, 32), NUM_SAMPLER_STATES), CONST_ADDR_SPACE);
+
+	switch (si_shader_ctx->type) {
+	case TGSI_PROCESSOR_VERTEX:
+		params[SI_PARAM_VERTEX_BUFFER] = params[SI_PARAM_CONST];
+		params[SI_PARAM_SO_BUFFER] = params[SI_PARAM_CONST];
+		params[SI_PARAM_START_INSTANCE] = i32;
+		num_params = SI_PARAM_START_INSTANCE+1;
+
+		/* The locations of the other parameters are assigned dynamically. */
+
+		/* Streamout SGPRs. */
+		if (si_shader_ctx->shader->selector->so.num_outputs) {
+			params[si_shader_ctx->param_streamout_config = num_params++] = i32;
+			params[si_shader_ctx->param_streamout_write_index = num_params++] = i32;
+		}
+		/* A streamout buffer offset is loaded if the stride is non-zero. */
+		for (i = 0; i < 4; i++) {
+			if (!si_shader_ctx->shader->selector->so.stride[i])
+				continue;
+
+			params[si_shader_ctx->param_streamout_offset[i] = num_params++] = i32;
+		}
+
+		last_sgpr = num_params-1;
+
+		/* VGPRs */
+		params[si_shader_ctx->param_vertex_id = num_params++] = i32;
+		params[num_params++] = i32; /* unused*/
+		params[num_params++] = i32; /* unused */
+		params[si_shader_ctx->param_instance_id = num_params++] = i32;
+		break;
+
+	case TGSI_PROCESSOR_FRAGMENT:
+		params[SI_PARAM_ALPHA_REF] = f32;
+		params[SI_PARAM_PRIM_MASK] = i32;
+		last_sgpr = SI_PARAM_PRIM_MASK;
+		params[SI_PARAM_PERSP_SAMPLE] = v2i32;
+		params[SI_PARAM_PERSP_CENTER] = v2i32;
+		params[SI_PARAM_PERSP_CENTROID] = v2i32;
+		params[SI_PARAM_PERSP_PULL_MODEL] = v3i32;
+		params[SI_PARAM_LINEAR_SAMPLE] = v2i32;
+		params[SI_PARAM_LINEAR_CENTER] = v2i32;
+		params[SI_PARAM_LINEAR_CENTROID] = v2i32;
+		params[SI_PARAM_LINE_STIPPLE_TEX] = f32;
+		params[SI_PARAM_POS_X_FLOAT] = f32;
+		params[SI_PARAM_POS_Y_FLOAT] = f32;
+		params[SI_PARAM_POS_Z_FLOAT] = f32;
+		params[SI_PARAM_POS_W_FLOAT] = f32;
+		params[SI_PARAM_FRONT_FACE] = f32;
+		params[SI_PARAM_ANCILLARY] = f32;
+		params[SI_PARAM_SAMPLE_COVERAGE] = f32;
+		params[SI_PARAM_POS_FIXED_PT] = f32;
+		num_params = SI_PARAM_POS_FIXED_PT+1;
+		break;
+
+	default:
+		assert(0 && "unimplemented shader");
+		return;
+	}
+
+	assert(num_params <= Elements(params));
+	radeon_llvm_create_func(&si_shader_ctx->radeon_bld, params, num_params);
+	radeon_llvm_shader_type(si_shader_ctx->radeon_bld.main_fn, si_shader_ctx->type);
+
+	for (i = 0; i <= last_sgpr; ++i) {
+		LLVMValueRef P = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, i);
+		switch (i) {
+		default:
+			LLVMAddAttribute(P, LLVMInRegAttribute);
+			break;
+#if HAVE_LLVM >= 0x0304
+		/* We tell llvm that array inputs are passed by value to allow Sinking pass
+		 * to move load. Inputs are constant so this is fine. */
+		case SI_PARAM_CONST:
+		case SI_PARAM_SAMPLER:
+		case SI_PARAM_RESOURCE:
+			LLVMAddAttribute(P, LLVMByValAttribute);
+			break;
+#endif
+		}
+	}
+
+#if HAVE_LLVM >= 0x0304
+	if (bld_base->info->opcode_count[TGSI_OPCODE_DDX] > 0 ||
+	    bld_base->info->opcode_count[TGSI_OPCODE_DDY] > 0)
+		si_shader_ctx->ddxy_lds =
+			LLVMAddGlobalInAddressSpace(gallivm->module,
+						    LLVMArrayType(i32, 64),
+						    "ddxy_lds",
+						    LOCAL_ADDR_SPACE);
+#endif
+}
+
+static void preload_constants(struct si_shader_context *si_shader_ctx)
+{
+	struct lp_build_tgsi_context * bld_base = &si_shader_ctx->radeon_bld.soa.bld_base;
+	struct gallivm_state * gallivm = bld_base->base.gallivm;
+	const struct tgsi_shader_info * info = bld_base->info;
+	unsigned buf;
+	LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
+
+	for (buf = 0; buf < NUM_CONST_BUFFERS; buf++) {
+		unsigned i, num_const = info->const_file_max[buf] + 1;
+
+		if (num_const == 0)
+			continue;
+
+		/* Allocate space for the constant values */
+		si_shader_ctx->constants[buf] = CALLOC(num_const * 4, sizeof(LLVMValueRef));
+
+		/* Load the resource descriptor */
+		si_shader_ctx->const_resource[buf] =
+			build_indexed_load(si_shader_ctx, ptr, lp_build_const_int32(gallivm, buf));
+
+		/* Load the constants, we rely on the code sinking to do the rest */
+		for (i = 0; i < num_const * 4; ++i) {
+			LLVMValueRef args[2] = {
+				si_shader_ctx->const_resource[buf],
+				lp_build_const_int32(gallivm, i * 4)
+			};
+			si_shader_ctx->constants[buf][i] =
+					build_intrinsic(gallivm->builder, "llvm.SI.load.const",
+							bld_base->base.elem_type, args, 2,
+							LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
+		}
+	}
+}
+
+static void preload_samplers(struct si_shader_context *si_shader_ctx)
+{
+	struct lp_build_tgsi_context * bld_base = &si_shader_ctx->radeon_bld.soa.bld_base;
+	struct gallivm_state * gallivm = bld_base->base.gallivm;
+	const struct tgsi_shader_info * info = bld_base->info;
+
+	unsigned i, num_samplers = info->file_max[TGSI_FILE_SAMPLER] + 1;
+
+	LLVMValueRef res_ptr, samp_ptr;
+	LLVMValueRef offset;
+
+	if (num_samplers == 0)
+		return;
+
+	/* Allocate space for the values */
+	si_shader_ctx->resources = CALLOC(NUM_SAMPLER_VIEWS, sizeof(LLVMValueRef));
+	si_shader_ctx->samplers = CALLOC(num_samplers, sizeof(LLVMValueRef));
+
+	res_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE);
+	samp_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_SAMPLER);
+
+	/* Load the resources and samplers, we rely on the code sinking to do the rest */
+	for (i = 0; i < num_samplers; ++i) {
+		/* Resource */
+		offset = lp_build_const_int32(gallivm, i);
+		si_shader_ctx->resources[i] = build_indexed_load(si_shader_ctx, res_ptr, offset);
+
+		/* Sampler */
+		offset = lp_build_const_int32(gallivm, i);
+		si_shader_ctx->samplers[i] = build_indexed_load(si_shader_ctx, samp_ptr, offset);
+
+		/* FMASK resource */
+		if (info->is_msaa_sampler[i]) {
+			offset = lp_build_const_int32(gallivm, FMASK_TEX_OFFSET + i);
+			si_shader_ctx->resources[FMASK_TEX_OFFSET + i] =
+				build_indexed_load(si_shader_ctx, res_ptr, offset);
+		}
+	}
+}
+
+static void preload_streamout_buffers(struct si_shader_context *si_shader_ctx)
+{
+	struct lp_build_tgsi_context * bld_base = &si_shader_ctx->radeon_bld.soa.bld_base;
+	struct gallivm_state * gallivm = bld_base->base.gallivm;
+	unsigned i;
+
+	if (!si_shader_ctx->shader->selector->so.num_outputs)
+		return;
+
+	LLVMValueRef buf_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
+					    SI_PARAM_SO_BUFFER);
+
+	/* Load the resources, we rely on the code sinking to do the rest */
+	for (i = 0; i < 4; ++i) {
+		if (si_shader_ctx->shader->selector->so.stride[i]) {
+			LLVMValueRef offset = lp_build_const_int32(gallivm, i);
+
+			si_shader_ctx->so_buffers[i] = build_indexed_load(si_shader_ctx, buf_ptr, offset);
+		}
+	}
+}
+
+int si_compile_llvm(struct r600_context *rctx, struct si_pipe_shader *shader,
+							LLVMModuleRef mod)
+{
+	unsigned i;
+	uint32_t *ptr;
+	struct radeon_llvm_binary binary;
+	bool dump = r600_can_dump_shader(&rctx->screen->b,
+			shader->selector ? shader->selector->tokens : NULL);
+	memset(&binary, 0, sizeof(binary));
+	radeon_llvm_compile(mod, &binary,
+		r600_get_llvm_processor_name(rctx->screen->b.family), dump);
+	if (dump && ! binary.disassembled) {
+		fprintf(stderr, "SI CODE:\n");
+		for (i = 0; i < binary.code_size; i+=4 ) {
+			fprintf(stderr, "%02x%02x%02x%02x\n", binary.code[i + 3],
+				binary.code[i + 2], binary.code[i + 1],
+				binary.code[i]);
+		}
+	}
+
+	/* XXX: We may be able to emit some of these values directly rather than
+	 * extracting fields to be emitted later.
+	 */
+	for (i = 0; i < binary.config_size; i+= 8) {
+		unsigned reg = util_le32_to_cpu(*(uint32_t*)(binary.config + i));
+		unsigned value = util_le32_to_cpu(*(uint32_t*)(binary.config + i + 4));
+		switch (reg) {
+		case R_00B028_SPI_SHADER_PGM_RSRC1_PS:
+		case R_00B128_SPI_SHADER_PGM_RSRC1_VS:
+		case R_00B228_SPI_SHADER_PGM_RSRC1_GS:
+		case R_00B848_COMPUTE_PGM_RSRC1:
+			shader->num_sgprs = (G_00B028_SGPRS(value) + 1) * 8;
+			shader->num_vgprs = (G_00B028_VGPRS(value) + 1) * 4;
+			break;
+		case R_00B02C_SPI_SHADER_PGM_RSRC2_PS:
+			shader->lds_size = G_00B02C_EXTRA_LDS_SIZE(value);
+			break;
+		case R_00B84C_COMPUTE_PGM_RSRC2:
+			shader->lds_size = G_00B84C_LDS_SIZE(value);
+			break;
+		case R_0286CC_SPI_PS_INPUT_ENA:
+			shader->spi_ps_input_ena = value;
+			break;
+		default:
+			fprintf(stderr, "Warning: Compiler emitted unknown "
+				"config register: 0x%x\n", reg);
+			break;
+		}
+	}
+
+	/* copy new shader */
+	r600_resource_reference(&shader->bo, NULL);
+	shader->bo = r600_resource_create_custom(rctx->b.b.screen, PIPE_USAGE_IMMUTABLE,
+					       binary.code_size);
+	if (shader->bo == NULL) {
+		return -ENOMEM;
+	}
+
+	ptr = (uint32_t*)rctx->b.ws->buffer_map(shader->bo->cs_buf, rctx->b.rings.gfx.cs, PIPE_TRANSFER_WRITE);
+	if (0 /*R600_BIG_ENDIAN*/) {
+		for (i = 0; i < binary.code_size / 4; ++i) {
+			ptr[i] = util_bswap32(*(uint32_t*)(binary.code + i*4));
+		}
+	} else {
+		memcpy(ptr, binary.code, binary.code_size);
+	}
+	rctx->b.ws->buffer_unmap(shader->bo->cs_buf);
+
+	free(binary.code);
+	free(binary.config);
+
+	return 0;
+}
+
+int si_pipe_shader_create(
+	struct pipe_context *ctx,
+	struct si_pipe_shader *shader)
+{
+	struct r600_context *rctx = (struct r600_context*)ctx;
+	struct si_pipe_shader_selector *sel = shader->selector;
+	struct si_shader_context si_shader_ctx;
+	struct tgsi_shader_info shader_info;
+	struct lp_build_tgsi_context * bld_base;
+	LLVMModuleRef mod;
+	int r = 0;
+	bool dump = r600_can_dump_shader(&rctx->screen->b, shader->selector->tokens);
+
+	assert(shader->shader.noutput == 0);
+	assert(shader->shader.ninterp == 0);
+	assert(shader->shader.ninput == 0);
+
+	memset(&si_shader_ctx, 0, sizeof(si_shader_ctx));
+	radeon_llvm_context_init(&si_shader_ctx.radeon_bld);
+	bld_base = &si_shader_ctx.radeon_bld.soa.bld_base;
+
+	tgsi_scan_shader(sel->tokens, &shader_info);
+
+	shader->shader.uses_kill = shader_info.uses_kill;
+	shader->shader.uses_instanceid = shader_info.uses_instanceid;
+	bld_base->info = &shader_info;
+	bld_base->emit_fetch_funcs[TGSI_FILE_CONSTANT] = fetch_constant;
+	bld_base->emit_epilogue = si_llvm_emit_epilogue;
+
+	bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action;
+	bld_base->op_actions[TGSI_OPCODE_TXB] = txb_action;
+#if HAVE_LLVM >= 0x0304
+	bld_base->op_actions[TGSI_OPCODE_TXD] = txd_action;
+#endif
+	bld_base->op_actions[TGSI_OPCODE_TXF] = txf_action;
+	bld_base->op_actions[TGSI_OPCODE_TXL] = txl_action;
+	bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action;
+	bld_base->op_actions[TGSI_OPCODE_TXQ] = txq_action;
+
+#if HAVE_LLVM >= 0x0304
+	bld_base->op_actions[TGSI_OPCODE_DDX].emit = si_llvm_emit_ddxy;
+	bld_base->op_actions[TGSI_OPCODE_DDY].emit = si_llvm_emit_ddxy;
+#endif
+
+	si_shader_ctx.radeon_bld.load_input = declare_input;
+	si_shader_ctx.radeon_bld.load_system_value = declare_system_value;
+	si_shader_ctx.tokens = sel->tokens;
+	tgsi_parse_init(&si_shader_ctx.parse, si_shader_ctx.tokens);
+	si_shader_ctx.shader = shader;
+	si_shader_ctx.type = si_shader_ctx.parse.FullHeader.Processor.Processor;
+
+	create_meta_data(&si_shader_ctx);
+	create_function(&si_shader_ctx);
+	preload_constants(&si_shader_ctx);
+	preload_samplers(&si_shader_ctx);
+	preload_streamout_buffers(&si_shader_ctx);
+
+	/* Dump TGSI code before doing TGSI->LLVM conversion in case the
+	 * conversion fails. */
+	if (dump) {
+		tgsi_dump(sel->tokens, 0);
+		si_dump_streamout(&sel->so);
+	}
+
+	if (!lp_build_tgsi_llvm(bld_base, sel->tokens)) {
+		fprintf(stderr, "Failed to translate shader from TGSI to LLVM\n");
+		for (int i = 0; i < NUM_CONST_BUFFERS; i++)
+			FREE(si_shader_ctx.constants[i]);
+		FREE(si_shader_ctx.resources);
+		FREE(si_shader_ctx.samplers);
+		return -EINVAL;
+	}
+
+	radeon_llvm_finalize_module(&si_shader_ctx.radeon_bld);
+
+	mod = bld_base->base.gallivm->module;
+	r = si_compile_llvm(rctx, shader, mod);
+
+	radeon_llvm_dispose(&si_shader_ctx.radeon_bld);
+	tgsi_parse_free(&si_shader_ctx.parse);
+
+	for (int i = 0; i < NUM_CONST_BUFFERS; i++)
+		FREE(si_shader_ctx.constants[i]);
+	FREE(si_shader_ctx.resources);
+	FREE(si_shader_ctx.samplers);
+
+	return r;
+}
+
+void si_pipe_shader_destroy(struct pipe_context *ctx, struct si_pipe_shader *shader)
+{
+	r600_resource_reference(&shader->bo, NULL);
+}