Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/AMDGPU/fp16_to_fp.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 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/AMDGPU/fp16_to_fp.ll Tue Oct 13 17:48:58 2015 +0900 @@ -0,0 +1,29 @@ +; 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 float @llvm.convert.from.fp16.f32(i16) nounwind readnone +declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone + +; SI-LABEL: {{^}}test_convert_fp16_to_fp32: +; SI: buffer_load_ushort [[VAL:v[0-9]+]] +; SI: v_cvt_f32_f16_e32 [[RESULT:v[0-9]+]], [[VAL]] +; SI: buffer_store_dword [[RESULT]] +define void @test_convert_fp16_to_fp32(float addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind { + %val = load i16, i16 addrspace(1)* %in, align 2 + %cvt = call float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone + store float %cvt, float addrspace(1)* %out, align 4 + ret void +} + + +; SI-LABEL: {{^}}test_convert_fp16_to_fp64: +; SI: buffer_load_ushort [[VAL:v[0-9]+]] +; SI: v_cvt_f32_f16_e32 [[RESULT32:v[0-9]+]], [[VAL]] +; SI: v_cvt_f64_f32_e32 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[RESULT32]] +; SI: buffer_store_dwordx2 [[RESULT]] +define void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind { + %val = load i16, i16 addrspace(1)* %in, align 2 + %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone + store double %cvt, double addrspace(1)* %out, align 4 + ret void +}