ac/nir: move lds declaration/load/store into shared code.

This was duplicated between both drivers, share here.

Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 80b027e8b08..7e370845f36 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -1748,3 +1748,26 @@ void ac_init_exec_full_mask(struct ac_llvm_context *ctx)
 			   "llvm.amdgcn.init.exec", ctx->voidt,
 			   &full_mask, 1, AC_FUNC_ATTR_CONVERGENT);
 }
+
+void ac_declare_lds_as_pointer(struct ac_llvm_context *ctx)
+{
+	unsigned lds_size = ctx->chip_class >= CIK ? 65536 : 32768;
+	ctx->lds = LLVMBuildIntToPtr(ctx->builder, ctx->i32_0,
+				     LLVMPointerType(LLVMArrayType(ctx->i32, lds_size / 4), AC_LOCAL_ADDR_SPACE),
+				     "lds");
+}
+
+LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
+			 LLVMValueRef dw_addr)
+{
+	return ac_build_load(ctx, ctx->lds, dw_addr);
+}
+
+void ac_lds_store(struct ac_llvm_context *ctx,
+		  LLVMValueRef dw_addr,
+		  LLVMValueRef value)
+{
+	value = ac_to_integer(ctx, value);
+	ac_build_indexed_store(ctx, ctx->lds,
+			       dw_addr, value);
+}