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ac: use llvm.amdgcn.kill with LLVM 6.0

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-10-04 05:06:57 +02:00
parent 1ff9e27cbd
commit 478afbe525
1 changed files with 6 additions and 0 deletions
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6
src/amd/common/ac_llvm_build.c
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@ -1407,6 +1407,12 @@ LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1)
{
if (HAVE_LLVM >= 0x0600) {
ac_build_intrinsic(ctx, "llvm.amdgcn.kill", ctx->voidt,
&i1, 1, 0);
return;
}
LLVMValueRef value = LLVMBuildSelect(ctx->builder, i1,
LLVMConstReal(ctx->f32, 1),
LLVMConstReal(ctx->f32, -1), "");