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authorMarek Olšák <[email protected]>2016-10-17 12:30:42 +0200
committerMarek Olšák <[email protected]>2016-10-18 18:41:04 +0200
commit5ab25bb4ba429a866c2e36bd543bf0405047e325 (patch)
tree8463c7ec895686abfd753c3cd0cb781f205c794a /src/gallium/drivers/radeon
parent4967cacdfac58896e6b8b1e02bcd9704a01f33bf (diff)
radeonsi: import all TGSI->LLVM code from gallium/radeon
Acked-by: Nicolai Hähnle <[email protected]> Reviewed-by: Emil Velikov <[email protected]> Acked-by: Edward O'Callaghan <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeon')
-rw-r--r--src/gallium/drivers/radeon/Makefile.sources6
-rw-r--r--src/gallium/drivers/radeon/radeon_llvm.h151
-rw-r--r--src/gallium/drivers/radeon/radeon_llvm_emit.c241
-rw-r--r--src/gallium/drivers/radeon/radeon_llvm_emit.h46
-rw-r--r--src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c1182
5 files changed, 1 insertions, 1625 deletions
diff --git a/src/gallium/drivers/radeon/Makefile.sources b/src/gallium/drivers/radeon/Makefile.sources
index 049da60c134..3e13dae3cbb 100644
--- a/src/gallium/drivers/radeon/Makefile.sources
+++ b/src/gallium/drivers/radeon/Makefile.sources
@@ -25,8 +25,4 @@ C_SOURCES := \
LLVM_C_FILES := \
radeon_elf_util.c \
- radeon_elf_util.h \
- radeon_llvm_emit.c \
- radeon_llvm_emit.h \
- radeon_llvm.h \
- radeon_setup_tgsi_llvm.c
+ radeon_elf_util.h
diff --git a/src/gallium/drivers/radeon/radeon_llvm.h b/src/gallium/drivers/radeon/radeon_llvm.h
deleted file mode 100644
index b4b968b26b7..00000000000
--- a/src/gallium/drivers/radeon/radeon_llvm.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright 2011 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
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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]>
- *
- */
-
-#ifndef RADEON_LLVM_H
-#define RADEON_LLVM_H
-
-#include <llvm-c/Core.h>
-#include "gallivm/lp_bld_init.h"
-#include "gallivm/lp_bld_tgsi.h"
-#include "tgsi/tgsi_parse.h"
-
-#define RADEON_LLVM_MAX_INPUT_SLOTS 32
-#define RADEON_LLVM_MAX_INPUTS 32 * 4
-#define RADEON_LLVM_MAX_OUTPUTS 32 * 4
-
-#define RADEON_LLVM_INITIAL_CF_DEPTH 4
-
-#define RADEON_LLVM_MAX_SYSTEM_VALUES 4
-
-struct radeon_llvm_flow;
-
-struct radeon_llvm_context {
- struct lp_build_tgsi_soa_context soa;
-
- /*=== Front end configuration ===*/
-
- /* Instructions that are not described by any of the TGSI opcodes. */
-
- /** This function is responsible for initilizing the inputs array and will be
- * called once for each input declared in the TGSI shader.
- */
- void (*load_input)(struct radeon_llvm_context *,
- unsigned input_index,
- const struct tgsi_full_declaration *decl,
- LLVMValueRef out[4]);
-
- void (*load_system_value)(struct radeon_llvm_context *,
- unsigned index,
- const struct tgsi_full_declaration *decl);
-
- void (*declare_memory_region)(struct radeon_llvm_context *,
- const struct tgsi_full_declaration *decl);
-
- /** This array contains the input values for the shader. Typically these
- * values will be in the form of a target intrinsic that will inform the
- * backend how to load the actual inputs to the shader.
- */
- struct tgsi_full_declaration input_decls[RADEON_LLVM_MAX_INPUT_SLOTS];
- LLVMValueRef inputs[RADEON_LLVM_MAX_INPUTS];
- LLVMValueRef outputs[RADEON_LLVM_MAX_OUTPUTS][TGSI_NUM_CHANNELS];
-
- /** This pointer is used to contain the temporary values.
- * The amount of temporary used in tgsi can't be bound to a max value and
- * thus we must allocate this array at runtime.
- */
- LLVMValueRef *temps;
- unsigned temps_count;
- LLVMValueRef system_values[RADEON_LLVM_MAX_SYSTEM_VALUES];
-
- /*=== Private Members ===*/
-
- struct radeon_llvm_flow *flow;
- unsigned flow_depth;
- unsigned flow_depth_max;
-
- struct tgsi_array_info *temp_arrays;
- LLVMValueRef *temp_array_allocas;
-
- LLVMValueRef undef_alloca;
-
- LLVMValueRef main_fn;
- LLVMTypeRef return_type;
-
- unsigned fpmath_md_kind;
- LLVMValueRef fpmath_md_2p5_ulp;
-
- struct gallivm_state gallivm;
-};
-
-LLVMTypeRef tgsi2llvmtype(struct lp_build_tgsi_context *bld_base,
- enum tgsi_opcode_type type);
-
-LLVMValueRef bitcast(struct lp_build_tgsi_context *bld_base,
- enum tgsi_opcode_type type, LLVMValueRef value);
-
-LLVMValueRef radeon_llvm_bound_index(struct radeon_llvm_context *ctx,
- LLVMValueRef index,
- unsigned num);
-
-void radeon_llvm_context_init(struct radeon_llvm_context *ctx,
- const char *triple,
- const struct tgsi_shader_info *info,
- const struct tgsi_token *tokens);
-
-void radeon_llvm_create_func(struct radeon_llvm_context *ctx,
- LLVMTypeRef *return_types, unsigned num_return_elems,
- LLVMTypeRef *ParamTypes, unsigned ParamCount);
-
-void radeon_llvm_dispose(struct radeon_llvm_context *ctx);
-
-void radeon_llvm_finalize_module(struct radeon_llvm_context *ctx,
- bool run_verifier);
-
-LLVMValueRef radeon_llvm_emit_fetch_64bit(struct lp_build_tgsi_context *bld_base,
- enum tgsi_opcode_type type,
- LLVMValueRef ptr,
- LLVMValueRef ptr2);
-
-LLVMValueRef radeon_llvm_saturate(struct lp_build_tgsi_context *bld_base,
- LLVMValueRef value);
-
-LLVMValueRef radeon_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_src_register *reg,
- enum tgsi_opcode_type type,
- unsigned swizzle);
-
-void radeon_llvm_emit_store(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_instruction *inst,
- const struct tgsi_opcode_info *info,
- LLVMValueRef dst[4]);
-
-static inline struct radeon_llvm_context *
-radeon_llvm_context(struct lp_build_tgsi_context *bld_base)
-{
- return (struct radeon_llvm_context*)bld_base;
-}
-
-#endif /* RADEON_LLVM_H */
diff --git a/src/gallium/drivers/radeon/radeon_llvm_emit.c b/src/gallium/drivers/radeon/radeon_llvm_emit.c
deleted file mode 100644
index 9611f15103c..00000000000
--- a/src/gallium/drivers/radeon/radeon_llvm_emit.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * Copyright 2011 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
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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]>
- *
- */
-
-#include "radeon_llvm_emit.h"
-#include "radeon_elf_util.h"
-#include "c11/threads.h"
-#include "gallivm/lp_bld_misc.h"
-#include "util/u_debug.h"
-#include "util/u_memory.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-
-#include <llvm-c/Target.h>
-#include <llvm-c/TargetMachine.h>
-#include <llvm-c/Core.h>
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#define CPU_STRING_LEN 30
-#define FS_STRING_LEN 30
-#define TRIPLE_STRING_LEN 7
-
-/**
- * Shader types for the LLVM backend.
- */
-enum radeon_llvm_shader_type {
- RADEON_LLVM_SHADER_PS = 0,
- RADEON_LLVM_SHADER_VS = 1,
- RADEON_LLVM_SHADER_GS = 2,
- RADEON_LLVM_SHADER_CS = 3,
-};
-
-enum radeon_llvm_calling_convention {
- RADEON_LLVM_AMDGPU_VS = 87,
- RADEON_LLVM_AMDGPU_GS = 88,
- RADEON_LLVM_AMDGPU_PS = 89,
- RADEON_LLVM_AMDGPU_CS = 90,
-};
-
-void radeon_llvm_add_attribute(LLVMValueRef F, const char *name, int value)
-{
- char str[16];
-
- snprintf(str, sizeof(str), "%i", value);
- LLVMAddTargetDependentFunctionAttr(F, name, str);
-}
-
-/**
- * Set the shader type we want to compile
- *
- * @param type shader type to set
- */
-void radeon_llvm_shader_type(LLVMValueRef F, unsigned type)
-{
- enum radeon_llvm_shader_type llvm_type;
- enum radeon_llvm_calling_convention calling_conv;
-
- switch (type) {
- case PIPE_SHADER_VERTEX:
- case PIPE_SHADER_TESS_CTRL:
- case PIPE_SHADER_TESS_EVAL:
- llvm_type = RADEON_LLVM_SHADER_VS;
- calling_conv = RADEON_LLVM_AMDGPU_VS;
- break;
- case PIPE_SHADER_GEOMETRY:
- llvm_type = RADEON_LLVM_SHADER_GS;
- calling_conv = RADEON_LLVM_AMDGPU_GS;
- break;
- case PIPE_SHADER_FRAGMENT:
- llvm_type = RADEON_LLVM_SHADER_PS;
- calling_conv = RADEON_LLVM_AMDGPU_PS;
- break;
- case PIPE_SHADER_COMPUTE:
- llvm_type = RADEON_LLVM_SHADER_CS;
- calling_conv = RADEON_LLVM_AMDGPU_CS;
- break;
- default:
- unreachable("Unhandle shader type");
- }
-
- if (HAVE_LLVM >= 0x309)
- LLVMSetFunctionCallConv(F, calling_conv);
- else
- radeon_llvm_add_attribute(F, "ShaderType", llvm_type);
-}
-
-static void init_r600_target()
-{
- gallivm_init_llvm_targets();
-#if HAVE_LLVM < 0x0307
- LLVMInitializeR600TargetInfo();
- LLVMInitializeR600Target();
- LLVMInitializeR600TargetMC();
- LLVMInitializeR600AsmPrinter();
-#else
- LLVMInitializeAMDGPUTargetInfo();
- LLVMInitializeAMDGPUTarget();
- LLVMInitializeAMDGPUTargetMC();
- LLVMInitializeAMDGPUAsmPrinter();
-
-#endif
-}
-
-static once_flag init_r600_target_once_flag = ONCE_FLAG_INIT;
-
-LLVMTargetRef radeon_llvm_get_r600_target(const char *triple)
-{
- LLVMTargetRef target = NULL;
- char *err_message = NULL;
-
- call_once(&init_r600_target_once_flag, init_r600_target);
-
- if (LLVMGetTargetFromTriple(triple, &target, &err_message)) {
- fprintf(stderr, "Cannot find target for triple %s ", triple);
- if (err_message) {
- fprintf(stderr, "%s\n", err_message);
- }
- LLVMDisposeMessage(err_message);
- return NULL;
- }
- return target;
-}
-
-struct radeon_llvm_diagnostics {
- struct pipe_debug_callback *debug;
- unsigned retval;
-};
-
-static void radeonDiagnosticHandler(LLVMDiagnosticInfoRef di, void *context)
-{
- struct radeon_llvm_diagnostics *diag = (struct radeon_llvm_diagnostics *)context;
- LLVMDiagnosticSeverity severity = LLVMGetDiagInfoSeverity(di);
- char *description = LLVMGetDiagInfoDescription(di);
- const char *severity_str = NULL;
-
- switch (severity) {
- case LLVMDSError:
- severity_str = "error";
- break;
- case LLVMDSWarning:
- severity_str = "warning";
- break;
- case LLVMDSRemark:
- severity_str = "remark";
- break;
- case LLVMDSNote:
- severity_str = "note";
- break;
- default:
- severity_str = "unknown";
- }
-
- pipe_debug_message(diag->debug, SHADER_INFO,
- "LLVM diagnostic (%s): %s", severity_str, description);
-
- if (severity == LLVMDSError) {
- diag->retval = 1;
- fprintf(stderr,"LLVM triggered Diagnostic Handler: %s\n", description);
- }
-
- LLVMDisposeMessage(description);
-}
-
-/**
- * Compile an LLVM module to machine code.
- *
- * @returns 0 for success, 1 for failure
- */
-unsigned radeon_llvm_compile(LLVMModuleRef M, struct radeon_shader_binary *binary,
- LLVMTargetMachineRef tm,
- struct pipe_debug_callback *debug)
-{
- struct radeon_llvm_diagnostics diag;
- char *err;
- LLVMContextRef llvm_ctx;
- LLVMMemoryBufferRef out_buffer;
- unsigned buffer_size;
- const char *buffer_data;
- LLVMBool mem_err;
-
- diag.debug = debug;
- diag.retval = 0;
-
- /* Setup Diagnostic Handler*/
- llvm_ctx = LLVMGetModuleContext(M);
-
- LLVMContextSetDiagnosticHandler(llvm_ctx, radeonDiagnosticHandler, &diag);
-
- /* Compile IR*/
- mem_err = LLVMTargetMachineEmitToMemoryBuffer(tm, M, LLVMObjectFile, &err,
- &out_buffer);
-
- /* Process Errors/Warnings */
- if (mem_err) {
- fprintf(stderr, "%s: %s", __FUNCTION__, err);
- pipe_debug_message(debug, SHADER_INFO,
- "LLVM emit error: %s", err);
- FREE(err);
- diag.retval = 1;
- goto out;
- }
-
- /* Extract Shader Code*/
- buffer_size = LLVMGetBufferSize(out_buffer);
- buffer_data = LLVMGetBufferStart(out_buffer);
-
- radeon_elf_read(buffer_data, buffer_size, binary);
-
- /* Clean up */
- LLVMDisposeMemoryBuffer(out_buffer);
-
-out:
- if (diag.retval != 0)
- pipe_debug_message(debug, SHADER_INFO, "LLVM compile failed");
- return diag.retval;
-}
diff --git a/src/gallium/drivers/radeon/radeon_llvm_emit.h b/src/gallium/drivers/radeon/radeon_llvm_emit.h
deleted file mode 100644
index 677978b4758..00000000000
--- a/src/gallium/drivers/radeon/radeon_llvm_emit.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * 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
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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]>
- *
- */
-
-#ifndef RADEON_LLVM_EMIT_H
-#define RADEON_LLVM_EMIT_H
-
-#include <llvm-c/Core.h>
-#include <llvm-c/TargetMachine.h>
-#include <stdbool.h>
-
-struct pipe_debug_callback;
-struct radeon_shader_binary;
-
-void radeon_llvm_add_attribute(LLVMValueRef F, const char *name, int value);
-void radeon_llvm_shader_type(LLVMValueRef F, unsigned type);
-
-LLVMTargetRef radeon_llvm_get_r600_target(const char *triple);
-
-unsigned radeon_llvm_compile(LLVMModuleRef M, struct radeon_shader_binary *binary,
- LLVMTargetMachineRef tm,
- struct pipe_debug_callback *debug);
-
-#endif /* RADEON_LLVM_EMIT_H */
diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
deleted file mode 100644
index c06eb3eba70..00000000000
--- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
+++ /dev/null
@@ -1,1182 +0,0 @@
-/*
- * Copyright 2011 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
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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]>
- *
- */
-#include "radeon_llvm.h"
-
-#include "gallivm/lp_bld_const.h"
-#include "gallivm/lp_bld_gather.h"
-#include "gallivm/lp_bld_flow.h"
-#include "gallivm/lp_bld_init.h"
-#include "gallivm/lp_bld_intr.h"
-#include "gallivm/lp_bld_misc.h"
-#include "gallivm/lp_bld_swizzle.h"
-#include "tgsi/tgsi_info.h"
-#include "tgsi/tgsi_parse.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-#include "util/u_debug.h"
-
-#include <stdio.h>
-#include <llvm-c/Core.h>
-#include <llvm-c/Transforms/Scalar.h>
-
-/* Data for if/else/endif and bgnloop/endloop control flow structures.
- */
-struct radeon_llvm_flow {
- /* Loop exit or next part of if/else/endif. */
- LLVMBasicBlockRef next_block;
- LLVMBasicBlockRef loop_entry_block;
-};
-
-LLVMTypeRef tgsi2llvmtype(struct lp_build_tgsi_context *bld_base,
- enum tgsi_opcode_type type)
-{
- LLVMContextRef ctx = bld_base->base.gallivm->context;
-
- switch (type) {
- case TGSI_TYPE_UNSIGNED:
- case TGSI_TYPE_SIGNED:
- return LLVMInt32TypeInContext(ctx);
- case TGSI_TYPE_UNSIGNED64:
- case TGSI_TYPE_SIGNED64:
- return LLVMInt64TypeInContext(ctx);
- case TGSI_TYPE_DOUBLE:
- return LLVMDoubleTypeInContext(ctx);
- case TGSI_TYPE_UNTYPED:
- case TGSI_TYPE_FLOAT:
- return LLVMFloatTypeInContext(ctx);
- default: break;
- }
- return 0;
-}
-
-LLVMValueRef bitcast(struct lp_build_tgsi_context *bld_base,
- enum tgsi_opcode_type type, LLVMValueRef value)
-{
- LLVMBuilderRef builder = bld_base->base.gallivm->builder;
- LLVMTypeRef dst_type = tgsi2llvmtype(bld_base, type);
-
- if (dst_type)
- return LLVMBuildBitCast(builder, value, dst_type, "");
- else
- return value;
-}
-
-/**
- * Return a value that is equal to the given i32 \p index if it lies in [0,num)
- * or an undefined value in the same interval otherwise.
- */
-LLVMValueRef radeon_llvm_bound_index(struct radeon_llvm_context *ctx,
- LLVMValueRef index,
- unsigned num)
-{
- struct gallivm_state *gallivm = &ctx->gallivm;
- LLVMBuilderRef builder = gallivm->builder;
- LLVMValueRef c_max = lp_build_const_int32(gallivm, num - 1);
- LLVMValueRef cc;
-
- if (util_is_power_of_two(num)) {
- index = LLVMBuildAnd(builder, index, c_max, "");
- } else {
- /* In theory, this MAX pattern should result in code that is
- * as good as the bit-wise AND above.
- *
- * In practice, LLVM generates worse code (at the time of
- * writing), because its value tracking is not strong enough.
- */
- cc = LLVMBuildICmp(builder, LLVMIntULE, index, c_max, "");
- index = LLVMBuildSelect(builder, cc, index, c_max, "");
- }
-
- return index;
-}
-
-static struct radeon_llvm_flow *
-get_current_flow(struct radeon_llvm_context *ctx)
-{
- if (ctx->flow_depth > 0)
- return &ctx->flow[ctx->flow_depth - 1];
- return NULL;
-}
-
-static struct radeon_llvm_flow *
-get_innermost_loop(struct radeon_llvm_context *ctx)
-{
- for (unsigned i = ctx->flow_depth; i > 0; --i) {
- if (ctx->flow[i - 1].loop_entry_block)
- return &ctx->flow[i - 1];
- }
- return NULL;
-}
-
-static struct radeon_llvm_flow *
-push_flow(struct radeon_llvm_context *ctx)
-{
- struct radeon_llvm_flow *flow;
-
- if (ctx->flow_depth >= ctx->flow_depth_max) {
- unsigned new_max = MAX2(ctx->flow_depth << 1, RADEON_LLVM_INITIAL_CF_DEPTH);
- ctx->flow = REALLOC(ctx->flow,
- ctx->flow_depth_max * sizeof(*ctx->flow),
- new_max * sizeof(*ctx->flow));
- ctx->flow_depth_max = new_max;
- }
-
- flow = &ctx->flow[ctx->flow_depth];
- ctx->flow_depth++;
-
- flow->next_block = NULL;
- flow->loop_entry_block = NULL;
- return flow;
-}
-
-static LLVMValueRef emit_swizzle(struct lp_build_tgsi_context *bld_base,
- LLVMValueRef value,
- unsigned swizzle_x,
- unsigned swizzle_y,
- unsigned swizzle_z,
- unsigned swizzle_w)
-{
- LLVMValueRef swizzles[4];
- LLVMTypeRef i32t =
- LLVMInt32TypeInContext(bld_base->base.gallivm->context);
-
- swizzles[0] = LLVMConstInt(i32t, swizzle_x, 0);
- swizzles[1] = LLVMConstInt(i32t, swizzle_y, 0);
- swizzles[2] = LLVMConstInt(i32t, swizzle_z, 0);
- swizzles[3] = LLVMConstInt(i32t, swizzle_w, 0);
-
- return LLVMBuildShuffleVector(bld_base->base.gallivm->builder,
- value,
- LLVMGetUndef(LLVMTypeOf(value)),
- LLVMConstVector(swizzles, 4), "");
-}
-
-/**
- * Return the description of the array covering the given temporary register
- * index.
- */
-static unsigned
-get_temp_array_id(struct lp_build_tgsi_context *bld_base,
- unsigned reg_index,
- const struct tgsi_ind_register *reg)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- unsigned num_arrays = ctx->soa.bld_base.info->array_max[TGSI_FILE_TEMPORARY];
- unsigned i;
-
- if (reg && reg->ArrayID > 0 && reg->ArrayID <= num_arrays)
- return reg->ArrayID;
-
- for (i = 0; i < num_arrays; i++) {
- const struct tgsi_array_info *array = &ctx->temp_arrays[i];
-
- if (reg_index >= array->range.First && reg_index <= array->range.Last)
- return i + 1;
- }
-
- return 0;
-}
-
-static struct tgsi_declaration_range
-get_array_range(struct lp_build_tgsi_context *bld_base,
- unsigned File, unsigned reg_index,
- const struct tgsi_ind_register *reg)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct tgsi_declaration_range range;
-
- if (File == TGSI_FILE_TEMPORARY) {
- unsigned array_id = get_temp_array_id(bld_base, reg_index, reg);
- if (array_id)
- return ctx->temp_arrays[array_id - 1].range;
- }
-
- range.First = 0;
- range.Last = bld_base->info->file_max[File];
- return range;
-}
-
-static LLVMValueRef
-emit_array_index(struct lp_build_tgsi_soa_context *bld,
- const struct tgsi_ind_register *reg,
- unsigned offset)
-{
- struct gallivm_state *gallivm = bld->bld_base.base.gallivm;
-
- if (!reg) {
- return lp_build_const_int32(gallivm, offset);
- }
- LLVMValueRef addr = LLVMBuildLoad(gallivm->builder, bld->addr[reg->Index][reg->Swizzle], "");
- return LLVMBuildAdd(gallivm->builder, addr, lp_build_const_int32(gallivm, offset), "");
-}
-
-/**
- * For indirect registers, construct a pointer directly to the requested
- * element using getelementptr if possible.
- *
- * Returns NULL if the insertelement/extractelement fallback for array access
- * must be used.
- */
-static LLVMValueRef
-get_pointer_into_array(struct radeon_llvm_context *ctx,
- unsigned file,
- unsigned swizzle,
- unsigned reg_index,
- const struct tgsi_ind_register *reg_indirect)
-{
- unsigned array_id;
- struct tgsi_array_info *array;
- struct gallivm_state *gallivm = ctx->soa.bld_base.base.gallivm;
- LLVMBuilderRef builder = gallivm->builder;
- LLVMValueRef idxs[2];
- LLVMValueRef index;
- LLVMValueRef alloca;
-
- if (file != TGSI_FILE_TEMPORARY)
- return NULL;
-
- array_id = get_temp_array_id(&ctx->soa.bld_base, reg_index, reg_indirect);
- if (!array_id)
- return NULL;
-
- alloca = ctx->temp_array_allocas[array_id - 1];
- if (!alloca)
- return NULL;
-
- array = &ctx->temp_arrays[array_id - 1];
-
- if (!(array->writemask & (1 << swizzle)))
- return ctx->undef_alloca;
-
- index = emit_array_index(&ctx->soa, reg_indirect,
- reg_index - ctx->temp_arrays[array_id - 1].range.First);
-
- /* Ensure that the index is within a valid range, to guard against
- * VM faults and overwriting critical data (e.g. spilled resource
- * descriptors).
- *
- * TODO It should be possible to avoid the additional instructions
- * if LLVM is changed so that it guarantuees:
- * 1. the scratch space descriptor isolates the current wave (this
- * could even save the scratch offset SGPR at the cost of an
- * additional SALU instruction)
- * 2. the memory for allocas must be allocated at the _end_ of the
- * scratch space (after spilled registers)
- */
- index = radeon_llvm_bound_index(ctx, index, array->range.Last - array->range.First + 1);
-
- index = LLVMBuildMul(
- builder, index,
- lp_build_const_int32(gallivm, util_bitcount(array->writemask)),
- "");
- index = LLVMBuildAdd(
- builder, index,
- lp_build_const_int32(
- gallivm,
- util_bitcount(array->writemask & ((1 << swizzle) - 1))),
- "");
- idxs[0] = ctx->soa.bld_base.uint_bld.zero;
- idxs[1] = index;
- return LLVMBuildGEP(builder, alloca, idxs, 2, "");
-}
-
-LLVMValueRef
-radeon_llvm_emit_fetch_64bit(struct lp_build_tgsi_context *bld_base,
- enum tgsi_opcode_type type,
- LLVMValueRef ptr,
- LLVMValueRef ptr2)
-{
- LLVMBuilderRef builder = bld_base->base.gallivm->builder;
- LLVMValueRef result;
-
- result = LLVMGetUndef(LLVMVectorType(LLVMIntTypeInContext(bld_base->base.gallivm->context, 32), bld_base->base.type.length * 2));
-
- result = LLVMBuildInsertElement(builder,
- result,
- bitcast(bld_base, TGSI_TYPE_UNSIGNED, ptr),
- bld_base->int_bld.zero, "");
- result = LLVMBuildInsertElement(builder,
- result,
- bitcast(bld_base, TGSI_TYPE_UNSIGNED, ptr2),
- bld_base->int_bld.one, "");
- return bitcast(bld_base, type, result);
-}
-
-static LLVMValueRef
-emit_array_fetch(struct lp_build_tgsi_context *bld_base,
- unsigned File, enum tgsi_opcode_type type,
- struct tgsi_declaration_range range,
- unsigned swizzle)
-{
- struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
- struct gallivm_state *gallivm = bld->bld_base.base.gallivm;
- LLVMBuilderRef builder = bld_base->base.gallivm->builder;
-
- unsigned i, size = range.Last - range.First + 1;
- LLVMTypeRef vec = LLVMVectorType(tgsi2llvmtype(bld_base, type), size);
- LLVMValueRef result = LLVMGetUndef(vec);
-
- struct tgsi_full_src_register tmp_reg = {};
- tmp_reg.Register.File = File;
-
- for (i = 0; i < size; ++i) {
- tmp_reg.Register.Index = i + range.First;
- LLVMValueRef temp = radeon_llvm_emit_fetch(bld_base, &tmp_reg, type, swizzle);
- result = LLVMBuildInsertElement(builder, result, temp,
- lp_build_const_int32(gallivm, i), "array_vector");
- }
- return result;
-}
-
-static LLVMValueRef
-load_value_from_array(struct lp_build_tgsi_context *bld_base,
- unsigned file,
- enum tgsi_opcode_type type,
- unsigned swizzle,
- unsigned reg_index,
- const struct tgsi_ind_register *reg_indirect)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- LLVMBuilderRef builder = gallivm->builder;
- LLVMValueRef ptr;
-
- ptr = get_pointer_into_array(ctx, file, swizzle, reg_index, reg_indirect);
- if (ptr) {
- LLVMValueRef val = LLVMBuildLoad(builder, ptr, "");
- if (tgsi_type_is_64bit(type)) {
- LLVMValueRef ptr_hi, val_hi;
- ptr_hi = LLVMBuildGEP(builder, ptr, &bld_base->uint_bld.one, 1, "");
- val_hi = LLVMBuildLoad(builder, ptr_hi, "");
- val = radeon_llvm_emit_fetch_64bit(bld_base, type, val, val_hi);
- }
-
- return val;
- } else {
- struct tgsi_declaration_range range =
- get_array_range(bld_base, file, reg_index, reg_indirect);
- LLVMValueRef index =
- emit_array_index(bld, reg_indirect, reg_index - range.First);
- LLVMValueRef array =
- emit_array_fetch(bld_base, file, type, range, swizzle);
- return LLVMBuildExtractElement(builder, array, index, "");
- }
-}
-
-static void
-store_value_to_array(struct lp_build_tgsi_context *bld_base,
- LLVMValueRef value,
- unsigned file,
- unsigned chan_index,
- unsigned reg_index,
- const struct tgsi_ind_register *reg_indirect)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- LLVMBuilderRef builder = gallivm->builder;
- LLVMValueRef ptr;
-
- ptr = get_pointer_into_array(ctx, file, chan_index, reg_index, reg_indirect);
- if (ptr) {
- LLVMBuildStore(builder, value, ptr);
- } else {
- unsigned i, size;
- struct tgsi_declaration_range range = get_array_range(bld_base, file, reg_index, reg_indirect);
- LLVMValueRef index = emit_array_index(bld, reg_indirect, reg_index - range.First);
- LLVMValueRef array =
- emit_array_fetch(bld_base, file, TGSI_TYPE_FLOAT, range, chan_index);
- LLVMValueRef temp_ptr;
-
- array = LLVMBuildInsertElement(builder, array, value, index, "");
-
- size = range.Last - range.First + 1;
- for (i = 0; i < size; ++i) {
- switch(file) {
- case TGSI_FILE_OUTPUT:
- temp_ptr = bld->outputs[i + range.First][chan_index];
- break;
-
- case TGSI_FILE_TEMPORARY:
- if (range.First + i >= ctx->temps_count)
- continue;
- temp_ptr = ctx->temps[(i + range.First) * TGSI_NUM_CHANNELS + chan_index];
- break;
-
- default:
- continue;
- }
- value = LLVMBuildExtractElement(builder, array,
- lp_build_const_int32(gallivm, i), "");
- LLVMBuildStore(builder, value, temp_ptr);
- }
- }
-}
-
-LLVMValueRef radeon_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_src_register *reg,
- enum tgsi_opcode_type type,
- unsigned swizzle)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
- LLVMBuilderRef builder = bld_base->base.gallivm->builder;
- LLVMValueRef result = NULL, ptr, ptr2;
-
- if (swizzle == ~0) {
- LLVMValueRef values[TGSI_NUM_CHANNELS];
- unsigned chan;
- for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
- values[chan] = radeon_llvm_emit_fetch(bld_base, reg, type, chan);
- }
- return lp_build_gather_values(bld_base->base.gallivm, values,
- TGSI_NUM_CHANNELS);
- }
-
- if (reg->Register.Indirect) {
- LLVMValueRef load = load_value_from_array(bld_base, reg->Register.File, type,
- swizzle, reg->Register.Index, &reg->Indirect);
- return bitcast(bld_base, type, load);
- }
-
- switch(reg->Register.File) {
- case TGSI_FILE_IMMEDIATE: {
- LLVMTypeRef ctype = tgsi2llvmtype(bld_base, type);
- if (tgsi_type_is_64bit(type)) {
- result = LLVMGetUndef(LLVMVectorType(LLVMIntTypeInContext(bld_base->base.gallivm->context, 32), bld_base->base.type.length * 2));
- result = LLVMConstInsertElement(result,
- bld->immediates[reg->Register.Index][swizzle],
- bld_base->int_bld.zero);
- result = LLVMConstInsertElement(result,
- bld->immediates[reg->Register.Index][swizzle + 1],
- bld_base->int_bld.one);
- return LLVMConstBitCast(result, ctype);
- } else {
- return LLVMConstBitCast(bld->immediates[reg->Register.Index][swizzle], ctype);
- }
- }
-
- case TGSI_FILE_INPUT: {
- unsigned index = reg->Register.Index;
- LLVMValueRef input[4];
-
- /* I don't think doing this for vertex shaders is beneficial.
- * For those, we want to make sure the VMEM loads are executed
- * only once. Fragment shaders don't care much, because
- * v_interp instructions are much cheaper than VMEM loads.
- */
- if (ctx->soa.bld_base.info->processor == PIPE_SHADER_FRAGMENT)
- ctx->load_input(ctx, index, &ctx->input_decls[index], input);
- else
- memcpy(input, &ctx->inputs[index * 4], sizeof(input));
-
- result = input[swizzle];
-
- if (tgsi_type_is_64bit(type)) {
- ptr = result;
- ptr2 = input[swizzle + 1];
- return radeon_llvm_emit_fetch_64bit(bld_base, type, ptr, ptr2);
- }
- break;
- }
-
- case TGSI_FILE_TEMPORARY:
- if (reg->Register.Index >= ctx->temps_count)
- return LLVMGetUndef(tgsi2llvmtype(bld_base, type));
- ptr = ctx->temps[reg->Register.Index * TGSI_NUM_CHANNELS + swizzle];
- if (tgsi_type_is_64bit(type)) {
- ptr2 = ctx->temps[reg->Register.Index * TGSI_NUM_CHANNELS + swizzle + 1];
- return radeon_llvm_emit_fetch_64bit(bld_base, type,
- LLVMBuildLoad(builder, ptr, ""),
- LLVMBuildLoad(builder, ptr2, ""));
- }
- result = LLVMBuildLoad(builder, ptr, "");
- break;
-
- case TGSI_FILE_OUTPUT:
- ptr = lp_get_output_ptr(bld, reg->Register.Index, swizzle);
- if (tgsi_type_is_64bit(type)) {
- ptr2 = lp_get_output_ptr(bld, reg->Register.Index, swizzle + 1);
- return radeon_llvm_emit_fetch_64bit(bld_base, type,
- LLVMBuildLoad(builder, ptr, ""),
- LLVMBuildLoad(builder, ptr2, ""));
- }
- result = LLVMBuildLoad(builder, ptr, "");
- break;
-
- default:
- return LLVMGetUndef(tgsi2llvmtype(bld_base, type));
- }
-
- return bitcast(bld_base, type, result);
-}
-
-static LLVMValueRef fetch_system_value(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_src_register *reg,
- enum tgsi_opcode_type type,
- unsigned swizzle)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
-
- LLVMValueRef cval = ctx->system_values[reg->Register.Index];
- if (LLVMGetTypeKind(LLVMTypeOf(cval)) == LLVMVectorTypeKind) {
- cval = LLVMBuildExtractElement(gallivm->builder, cval,
- lp_build_const_int32(gallivm, swizzle), "");
- }
- return bitcast(bld_base, type, cval);
-}
-
-static void emit_declaration(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_declaration *decl)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- LLVMBuilderRef builder = bld_base->base.gallivm->builder;
- unsigned first, last, i;
- switch(decl->Declaration.File) {
- case TGSI_FILE_ADDRESS:
- {
- unsigned idx;
- for (idx = decl->Range.First; idx <= decl->Range.Last; idx++) {
- unsigned chan;
- for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
- ctx->soa.addr[idx][chan] = lp_build_alloca_undef(
- &ctx->gallivm,
- ctx->soa.bld_base.uint_bld.elem_type, "");
- }
- }
- break;
- }
-
- case TGSI_FILE_TEMPORARY:
- {
- char name[16] = "";
- LLVMValueRef array_alloca = NULL;
- unsigned decl_size;
- unsigned writemask = decl->Declaration.UsageMask;
- first = decl->Range.First;
- last = decl->Range.Last;
- decl_size = 4 * ((last - first) + 1);
-
- if (decl->Declaration.Array) {
- unsigned id = decl->Array.ArrayID - 1;
- unsigned array_size;
-
- writemask &= ctx->temp_arrays[id].writemask;
- ctx->temp_arrays[id].writemask = writemask;
- array_size = ((last - first) + 1) * util_bitcount(writemask);
-
- /* If the array has more than 16 elements, store it
- * in memory using an alloca that spans the entire
- * array.
- *
- * Otherwise, store each array element individually.
- * We will then generate vectors (per-channel, up to
- * <16 x float> if the usagemask is a single bit) for
- * indirect addressing.
- *
- * Note that 16 is the number of vector elements that
- * LLVM will store in a register, so theoretically an
- * array with up to 4 * 16 = 64 elements could be
- * handled this way, but whether that's a good idea
- * depends on VGPR register pressure elsewhere.
- *
- * FIXME: We shouldn't need to have the non-alloca
- * code path for arrays. LLVM should be smart enough to
- * promote allocas into registers when profitable.
- *
- * LLVM 3.8 crashes with this.
- */
- if (HAVE_LLVM >= 0x0309 && array_size > 16) {
- array_alloca = LLVMBuildAlloca(builder,
- LLVMArrayType(bld_base->base.vec_type,
- array_size), "array");
- ctx->temp_array_allocas[id] = array_alloca;
- }
- }
-
- if (!ctx->temps_count) {
- ctx->temps_count = bld_base->info->file_max[TGSI_FILE_TEMPORARY] + 1;
- ctx->temps = MALLOC(TGSI_NUM_CHANNELS * ctx->temps_count * sizeof(LLVMValueRef));
- }
- if (!array_alloca) {
- for (i = 0; i < decl_size; ++i) {
-#ifdef DEBUG
- snprintf(name, sizeof(name), "TEMP%d.%c",
- first + i / 4, "xyzw"[i % 4]);
-#endif
- ctx->temps[first * TGSI_NUM_CHANNELS + i] =
- lp_build_alloca_undef(bld_base->base.gallivm,
- bld_base->base.vec_type,
- name);
- }
- } else {
- LLVMValueRef idxs[2] = {
- bld_base->uint_bld.zero,
- NULL
- };
- unsigned j = 0;
-
- if (writemask != TGSI_WRITEMASK_XYZW &&
- !ctx->undef_alloca) {
- /* Create a dummy alloca. We use it so that we
- * have a pointer that is safe to load from if
- * a shader ever reads from a channel that
- * it never writes to.
- */
- ctx->undef_alloca = lp_build_alloca_undef(
- bld_base->base.gallivm,
- bld_base->base.vec_type, "undef");
- }
-
- for (i = 0; i < decl_size; ++i) {
- LLVMValueRef ptr;
- if (writemask & (1 << (i % 4))) {
-#ifdef DEBUG
- snprintf(name, sizeof(name), "TEMP%d.%c",
- first + i / 4, "xyzw"[i % 4]);
-#endif
- idxs[1] = lp_build_const_int32(bld_base->base.gallivm, j);
- ptr = LLVMBuildGEP(builder, array_alloca, idxs, 2, name);
- j++;
- } else {
- ptr = ctx->undef_alloca;
- }
- ctx->temps[first * TGSI_NUM_CHANNELS + i] = ptr;
- }
- }
- break;
- }
- case TGSI_FILE_INPUT:
- {
- unsigned idx;
- for (idx = decl->Range.First; idx <= decl->Range.Last; idx++) {
- if (ctx->load_input &&
- ctx->input_decls[idx].Declaration.File != TGSI_FILE_INPUT) {
- ctx->input_decls[idx] = *decl;
-
- if (bld_base->info->processor != PIPE_SHADER_FRAGMENT)
- ctx->load_input(ctx, idx, decl,
- &ctx->inputs[idx * 4]);
- }
- }
- }
- break;
-
- case TGSI_FILE_SYSTEM_VALUE:
- {
- unsigned idx;
- for (idx = decl->Range.First; idx <= decl->Range.Last; idx++) {
- ctx->load_system_value(ctx, idx, decl);
- }
- }
- break;
-
- case TGSI_FILE_OUTPUT:
- {
- char name[16] = "";
- unsigned idx;
- for (idx = decl->Range.First; idx <= decl->Range.Last; idx++) {
- unsigned chan;
- assert(idx < RADEON_LLVM_MAX_OUTPUTS);
- if (ctx->soa.outputs[idx][0])
- continue;
- for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
-#ifdef DEBUG
- snprintf(name, sizeof(name), "OUT%d.%c",
- idx, "xyzw"[chan % 4]);
-#endif
- ctx->soa.outputs[idx][chan] = lp_build_alloca_undef(
- &ctx->gallivm,
- ctx->soa.bld_base.base.elem_type, name);
- }
- }
- break;
- }
-
- case TGSI_FILE_MEMORY:
- ctx->declare_memory_region(ctx, decl);
- break;
-
- default:
- break;
- }
-}
-
-LLVMValueRef radeon_llvm_saturate(struct lp_build_tgsi_context *bld_base,
- LLVMValueRef value)
-{
- struct lp_build_emit_data clamp_emit_data;
-
- memset(&clamp_emit_data, 0, sizeof(clamp_emit_data));
- clamp_emit_data.arg_count = 3;
- clamp_emit_data.args[0] = value;
- clamp_emit_data.args[2] = bld_base->base.one;
- clamp_emit_data.args[1] = bld_base->base.zero;
-
- return lp_build_emit_llvm(bld_base, TGSI_OPCODE_CLAMP,
- &clamp_emit_data);
-}
-
-void radeon_llvm_emit_store(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_instruction *inst,
- const struct tgsi_opcode_info *info,
- LLVMValueRef dst[4])
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
- struct gallivm_state *gallivm = bld->bld_base.base.gallivm;
- const struct tgsi_full_dst_register *reg = &inst->Dst[0];
- LLVMBuilderRef builder = bld->bld_base.base.gallivm->builder;
- LLVMValueRef temp_ptr, temp_ptr2 = NULL;
- unsigned chan, chan_index;
- bool is_vec_store = false;
- enum tgsi_opcode_type dtype = tgsi_opcode_infer_dst_type(inst->Instruction.Opcode);
-
- if (dst[0]) {
- LLVMTypeKind k = LLVMGetTypeKind(LLVMTypeOf(dst[0]));
- is_vec_store = (k == LLVMVectorTypeKind);
- }
-
- if (is_vec_store) {
- LLVMValueRef values[4] = {};
- TGSI_FOR_EACH_DST0_ENABLED_CHANNEL(inst, chan) {
- LLVMValueRef index = lp_build_const_int32(gallivm, chan);
- values[chan] = LLVMBuildExtractElement(gallivm->builder,
- dst[0], index, "");
- }
- bld_base->emit_store(bld_base, inst, info, values);
- return;
- }
-
- TGSI_FOR_EACH_DST0_ENABLED_CHANNEL( inst, chan_index ) {
- LLVMValueRef value = dst[chan_index];
-
- if (tgsi_type_is_64bit(dtype) && (chan_index == 1 || chan_index == 3))
- continue;
- if (inst->Instruction.Saturate)
- value = radeon_llvm_saturate(bld_base, value);
-
- if (reg->Register.File == TGSI_FILE_ADDRESS) {
- temp_ptr = bld->addr[reg->Register.Index][chan_index];
- LLVMBuildStore(builder, value, temp_ptr);
- continue;
- }
-
- if (!tgsi_type_is_64bit(dtype))
- value = bitcast(bld_base, TGSI_TYPE_FLOAT, value);
-
- if (reg->Register.Indirect) {
- unsigned file = reg->Register.File;
- unsigned reg_index = reg->Register.Index;
- store_value_to_array(bld_base, value, file, chan_index,
- reg_index, &reg->Indirect);
- } else {
- switch(reg->Register.File) {
- case TGSI_FILE_OUTPUT:
- temp_ptr = bld->outputs[reg->Register.Index][chan_index];
- if (tgsi_type_is_64bit(dtype))
- temp_ptr2 = bld->outputs[reg->Register.Index][chan_index + 1];
- break;
-
- case TGSI_FILE_TEMPORARY:
- {
- if (reg->Register.Index >= ctx->temps_count)
- continue;
-
- temp_ptr = ctx->temps[ TGSI_NUM_CHANNELS * reg->Register.Index + chan_index];
- if (tgsi_type_is_64bit(dtype))
- temp_ptr2 = ctx->temps[ TGSI_NUM_CHANNELS * reg->Register.Index + chan_index + 1];
-
- break;
- }
- default:
- return;
- }
- if (!tgsi_type_is_64bit(dtype))
- LLVMBuildStore(builder, value, temp_ptr);
- else {
- LLVMValueRef ptr = LLVMBuildBitCast(builder, value,
- LLVMVectorType(LLVMIntTypeInContext(bld_base->base.gallivm->context, 32), 2), "");
- LLVMValueRef val2;
- value = LLVMBuildExtractElement(builder, ptr,
- bld_base->uint_bld.zero, "");
- val2 = LLVMBuildExtractElement(builder, ptr,
- bld_base->uint_bld.one, "");
-
- LLVMBuildStore(builder, bitcast(bld_base, TGSI_TYPE_FLOAT, value), temp_ptr);
- LLVMBuildStore(builder, bitcast(bld_base, TGSI_TYPE_FLOAT, val2), temp_ptr2);
- }
- }
- }
-}
-
-static void set_basicblock_name(LLVMBasicBlockRef bb, const char *base, int pc)
-{
- char buf[32];
- /* Subtract 1 so that the number shown is that of the corresponding
- * opcode in the TGSI dump, e.g. an if block has the same suffix as
- * the instruction number of the corresponding TGSI IF.
- */
- snprintf(buf, sizeof(buf), "%s%d", base, pc - 1);
- LLVMSetValueName(LLVMBasicBlockAsValue(bb), buf);
-}
-
-/* Append a basic block at the level of the parent flow.
- */
-static LLVMBasicBlockRef append_basic_block(struct radeon_llvm_context *ctx,
- const char *name)
-{
- struct gallivm_state *gallivm = &ctx->gallivm;
-
- assert(ctx->flow_depth >= 1);
-
- if (ctx->flow_depth >= 2) {
- struct radeon_llvm_flow *flow = &ctx->flow[ctx->flow_depth - 2];
-
- return LLVMInsertBasicBlockInContext(gallivm->context,
- flow->next_block, name);
- }
-
- return LLVMAppendBasicBlockInContext(gallivm->context, ctx->main_fn, name);
-}
-
-/* Emit a branch to the given default target for the current block if
- * applicable -- that is, if the current block does not already contain a
- * branch from a break or continue.
- */
-static void emit_default_branch(LLVMBuilderRef builder, LLVMBasicBlockRef target)
-{
- if (!LLVMGetBasicBlockTerminator(LLVMGetInsertBlock(builder)))
- LLVMBuildBr(builder, target);
-}
-
-static void bgnloop_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *flow = push_flow(ctx);
- flow->loop_entry_block = append_basic_block(ctx, "LOOP");
- flow->next_block = append_basic_block(ctx, "ENDLOOP");
- set_basicblock_name(flow->loop_entry_block, "loop", bld_base->pc);
- LLVMBuildBr(gallivm->builder, flow->loop_entry_block);
- LLVMPositionBuilderAtEnd(gallivm->builder, flow->loop_entry_block);
-}
-
-static void brk_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *flow = get_innermost_loop(ctx);
-
- LLVMBuildBr(gallivm->builder, flow->next_block);
-}
-
-static void cont_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *flow = get_innermost_loop(ctx);
-
- LLVMBuildBr(gallivm->builder, flow->loop_entry_block);
-}
-
-static void else_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *current_branch = get_current_flow(ctx);
- LLVMBasicBlockRef endif_block;
-
- assert(!current_branch->loop_entry_block);
-
- endif_block = append_basic_block(ctx, "ENDIF");
- emit_default_branch(gallivm->builder, endif_block);
-
- LLVMPositionBuilderAtEnd(gallivm->builder, current_branch->next_block);
- set_basicblock_name(current_branch->next_block, "else", bld_base->pc);
-
- current_branch->next_block = endif_block;
-}
-
-static void endif_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *current_branch = get_current_flow(ctx);
-
- assert(!current_branch->loop_entry_block);
-
- emit_default_branch(gallivm->builder, current_branch->next_block);
- LLVMPositionBuilderAtEnd(gallivm->builder, current_branch->next_block);
- set_basicblock_name(current_branch->next_block, "endif", bld_base->pc);
-
- ctx->flow_depth--;
-}
-
-static void endloop_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *current_loop = get_current_flow(ctx);
-
- assert(current_loop->loop_entry_block);
-
- emit_default_branch(gallivm->builder, current_loop->loop_entry_block);
-
- LLVMPositionBuilderAtEnd(gallivm->builder, current_loop->next_block);
- set_basicblock_name(current_loop->next_block, "endloop", bld_base->pc);
- ctx->flow_depth--;
-}
-
-static void if_cond_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data,
- LLVMValueRef cond)
-{
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- struct radeon_llvm_flow *flow = push_flow(ctx);
- LLVMBasicBlockRef if_block;
-
- if_block = append_basic_block(ctx, "IF");
- flow->next_block = append_basic_block(ctx, "ELSE");
- set_basicblock_name(if_block, "if", bld_base->pc);
- LLVMBuildCondBr(gallivm->builder, cond, if_block, flow->next_block);
- LLVMPositionBuilderAtEnd(gallivm->builder, if_block);
-}
-
-static void if_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- LLVMValueRef cond;
-
- cond = LLVMBuildFCmp(gallivm->builder, LLVMRealUNE,
- emit_data->args[0],
- bld_base->base.zero, "");
-
- if_cond_emit(action, bld_base, emit_data, cond);
-}
-
-static void uif_emit(const struct lp_build_tgsi_action *action,
- struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- struct gallivm_state *gallivm = bld_base->base.gallivm;
- LLVMValueRef cond;
-
- cond = LLVMBuildICmp(gallivm->builder, LLVMIntNE,
- bitcast(bld_base, TGSI_TYPE_UNSIGNED, emit_data->args[0]),
- bld_base->int_bld.zero, "");
-
- if_cond_emit(action, bld_base, emit_data, cond);
-}
-
-static void emit_immediate(struct lp_build_tgsi_context *bld_base,
- const struct tgsi_full_immediate *imm)
-{
- unsigned i;
- struct radeon_llvm_context *ctx = radeon_llvm_context(bld_base);
-
- for (i = 0; i < 4; ++i) {
- ctx->soa.immediates[ctx->soa.num_immediates][i] =
- LLVMConstInt(bld_base->uint_bld.elem_type, imm->u[i].Uint, false );
- }
-
- ctx->soa.num_immediates++;
-}
-
-void radeon_llvm_context_init(struct radeon_llvm_context *ctx, const char *triple,
- const struct tgsi_shader_info *info,
- const struct tgsi_token *tokens)
-{
- struct lp_type type;
-
- /* Initialize the gallivm object:
- * We are only using the module, context, and builder fields of this struct.
- * This should be enough for us to be able to pass our gallivm struct to the
- * helper functions in the gallivm module.
- */
- memset(&ctx->gallivm, 0, sizeof (ctx->gallivm));
- memset(&ctx->soa, 0, sizeof(ctx->soa));
- ctx->gallivm.context = LLVMContextCreate();
- ctx->gallivm.module = LLVMModuleCreateWithNameInContext("tgsi",
- ctx->gallivm.context);
- LLVMSetTarget(ctx->gallivm.module, triple);
- ctx->gallivm.builder = LLVMCreateBuilderInContext(ctx->gallivm.context);
-
- struct lp_build_tgsi_context *bld_base = &ctx->soa.bld_base;
-
- bld_base->info = info;
-
- if (info && info->array_max[TGSI_FILE_TEMPORARY] > 0) {
- int size = info->array_max[TGSI_FILE_TEMPORARY];
-
- ctx->temp_arrays = CALLOC(size, sizeof(ctx->temp_arrays[0]));
- ctx->temp_array_allocas = CALLOC(size, sizeof(ctx->temp_array_allocas[0]));
-
- if (tokens)
- tgsi_scan_arrays(tokens, TGSI_FILE_TEMPORARY, size,
- ctx->temp_arrays);
- }
-
- type.floating = true;
- type.fixed = false;
- type.sign = true;
- type.norm = false;
- type.width = 32;
- type.length = 1;
-
- lp_build_context_init(&bld_base->base, &ctx->gallivm, type);
- lp_build_context_init(&ctx->soa.bld_base.uint_bld, &ctx->gallivm, lp_uint_type(type));
- lp_build_context_init(&ctx->soa.bld_base.int_bld, &ctx->gallivm, lp_int_type(type));
- type.width *= 2;
- lp_build_context_init(&ctx->soa.bld_base.dbl_bld, &ctx->gallivm, type);
- lp_build_context_init(&ctx->soa.bld_base.uint64_bld, &ctx->gallivm, lp_uint_type(type));
- lp_build_context_init(&ctx->soa.bld_base.int64_bld, &ctx->gallivm, lp_int_type(type));
-
- bld_base->soa = 1;
- bld_base->emit_store = radeon_llvm_emit_store;
- bld_base->emit_swizzle = emit_swizzle;
- bld_base->emit_declaration = emit_declaration;
- bld_base->emit_immediate = emit_immediate;
-
- bld_base->emit_fetch_funcs[TGSI_FILE_IMMEDIATE] = radeon_llvm_emit_fetch;
- bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = radeon_llvm_emit_fetch;
- bld_base->emit_fetch_funcs[TGSI_FILE_TEMPORARY] = radeon_llvm_emit_fetch;
- bld_base->emit_fetch_funcs[TGSI_FILE_OUTPUT] = radeon_llvm_emit_fetch;
- bld_base->emit_fetch_funcs[TGSI_FILE_SYSTEM_VALUE] = fetch_system_value;
-
- /* metadata allowing 2.5 ULP */
- ctx->fpmath_md_kind = LLVMGetMDKindIDInContext(ctx->gallivm.context,
- "fpmath", 6);
- LLVMValueRef arg = lp_build_const_float(&ctx->gallivm, 2.5);
- ctx->fpmath_md_2p5_ulp = LLVMMDNodeInContext(ctx->gallivm.context,
- &arg, 1);
-
- /* Allocate outputs */
- ctx->soa.outputs = ctx->outputs;
-
- bld_base->op_actions[TGSI_OPCODE_BGNLOOP].emit = bgnloop_emit;
- bld_base->op_actions[TGSI_OPCODE_BRK].emit = brk_emit;
- bld_base->op_actions[TGSI_OPCODE_CONT].emit = cont_emit;
- bld_base->op_actions[TGSI_OPCODE_IF].emit = if_emit;
- bld_base->op_actions[TGSI_OPCODE_UIF].emit = uif_emit;
- bld_base->op_actions[TGSI_OPCODE_ELSE].emit = else_emit;
- bld_base->op_actions[TGSI_OPCODE_ENDIF].emit = endif_emit;
- bld_base->op_actions[TGSI_OPCODE_ENDLOOP].emit = endloop_emit;
-}
-
-void radeon_llvm_create_func(struct radeon_llvm_context *ctx,
- LLVMTypeRef *return_types, unsigned num_return_elems,
- LLVMTypeRef *ParamTypes, unsigned ParamCount)
-{
- LLVMTypeRef main_fn_type, ret_type;
- LLVMBasicBlockRef main_fn_body;
-
- if (num_return_elems)
- ret_type = LLVMStructTypeInContext(ctx->gallivm.context,
- return_types,
- num_return_elems, true);
- else
- ret_type = LLVMVoidTypeInContext(ctx->gallivm.context);
-
- /* Setup the function */
- ctx->return_type = ret_type;
- main_fn_type = LLVMFunctionType(ret_type, ParamTypes, ParamCount, 0);
- ctx->main_fn = LLVMAddFunction(ctx->gallivm.module, "main", main_fn_type);
- main_fn_body = LLVMAppendBasicBlockInContext(ctx->gallivm.context,
- ctx->main_fn, "main_body");
- LLVMPositionBuilderAtEnd(ctx->gallivm.builder, main_fn_body);
-}
-
-void radeon_llvm_finalize_module(struct radeon_llvm_context *ctx,
- bool run_verifier)
-{
- struct gallivm_state *gallivm = ctx->soa.bld_base.base.gallivm;
- const char *triple = LLVMGetTarget(gallivm->module);
- LLVMTargetLibraryInfoRef target_library_info;
-
- /* Create the pass manager */
- gallivm->passmgr = LLVMCreateFunctionPassManagerForModule(
- gallivm->module);
-
- target_library_info = gallivm_create_target_library_info(triple);
- LLVMAddTargetLibraryInfo(target_library_info, gallivm->passmgr);
-
- if (run_verifier)
- LLVMAddVerifierPass(gallivm->passmgr);
-
- /* This pass should eliminate all the load and store instructions */
- LLVMAddPromoteMemoryToRegisterPass(gallivm->passmgr);
-
- /* Add some optimization passes */
- LLVMAddScalarReplAggregatesPass(gallivm->passmgr);
- LLVMAddLICMPass(gallivm->passmgr);
- LLVMAddAggressiveDCEPass(gallivm->passmgr);
- LLVMAddCFGSimplificationPass(gallivm->passmgr);
- LLVMAddInstructionCombiningPass(gallivm->passmgr);
-
- /* Run the pass */
- LLVMInitializeFunctionPassManager(gallivm->passmgr);
- LLVMRunFunctionPassManager(gallivm->passmgr, ctx->main_fn);
- LLVMFinalizeFunctionPassManager(gallivm->passmgr);
-
- LLVMDisposeBuilder(gallivm->builder);
- LLVMDisposePassManager(gallivm->passmgr);
- gallivm_dispose_target_library_info(target_library_info);
-}
-
-void radeon_llvm_dispose(struct radeon_llvm_context *ctx)
-{
- LLVMDisposeModule(ctx->soa.bld_base.base.gallivm->module);
- LLVMContextDispose(ctx->soa.bld_base.base.gallivm->context);
- FREE(ctx->temp_arrays);
- ctx->temp_arrays = NULL;
- FREE(ctx->temp_array_allocas);
- ctx->temp_array_allocas = NULL;
- FREE(ctx->temps);
- ctx->temps = NULL;
- ctx->temps_count = 0;
- FREE(ctx->flow);
- ctx->flow = NULL;
- ctx->flow_depth_max = 0;
-}