Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/AMDGPU/fp32_to_fp16.ll @ 95:afa8332a0e37 LLVM3.8
LLVM 3.8
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 13 Oct 2015 17:48:58 +0900 |
| parents | |
| children | 803732b1fca8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/AMDGPU/fp32_to_fp16.ll Tue Oct 13 17:48:58 2015 +0900 @@ -0,0 +1,15 @@ +; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s +; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s + +declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone + +; SI-LABEL: {{^}}test_convert_fp32_to_fp16: +; SI: buffer_load_dword [[VAL:v[0-9]+]] +; SI: v_cvt_f16_f32_e32 [[RESULT:v[0-9]+]], [[VAL]] +; SI: buffer_store_short [[RESULT]] +define void @test_convert_fp32_to_fp16(i16 addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind { + %val = load float, float addrspace(1)* %in, align 4 + %cvt = call i16 @llvm.convert.to.fp16.f32(float %val) nounwind readnone + store i16 %cvt, i16 addrspace(1)* %out, align 2 + ret void +}