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ac/radeonsi: create ac_build_shader_clock() helper

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timothy Arceri
2018-02-02 13:54:48 +11:00
parent d116af383f
commit b7b89bbddb
3 changed files with 11 additions and 5 deletions
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8
src/amd/common/ac_llvm_build.c
View File

@@ -343,6 +343,14 @@ ac_build_optimization_barrier(struct ac_llvm_context *ctx,
}
}
LLVMValueRef
ac_build_shader_clock(struct ac_llvm_context *ctx)
{
LLVMValueRef tmp = ac_build_intrinsic(ctx, "llvm.readcyclecounter",
ctx->i64, NULL, 0, 0);
return LLVMBuildBitCast(ctx->builder, tmp, ctx->v2i32, "");
}
LLVMValueRef
ac_build_ballot(struct ac_llvm_context *ctx,
LLVMValueRef value)

2
src/amd/common/ac_llvm_build.h
View File

@@ -119,6 +119,8 @@ ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
LLVMValueRef *pvgpr);
LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx);
LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);

6
src/gallium/drivers/radeonsi/si_shader.c
View File

@@ -3873,11 +3873,7 @@ static void clock_emit(
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
LLVMValueRef tmp;
tmp = lp_build_intrinsic(ctx->ac.builder, "llvm.readcyclecounter",
ctx->i64, NULL, 0, 0);
tmp = LLVMBuildBitCast(ctx->ac.builder, tmp, ctx->v2i32, "");
LLVMValueRef tmp = ac_build_shader_clock(&ctx->ac);
emit_data->output[0] =
LLVMBuildExtractElement(ctx->ac.builder, tmp, ctx->i32_0, "");