diff options
Diffstat (limited to 'test/CodeGen/R600/fp32_to_fp16.ll')
| -rw-r--r-- | test/CodeGen/R600/fp32_to_fp16.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/R600/fp32_to_fp16.ll b/test/CodeGen/R600/fp32_to_fp16.ll new file mode 100644 index 0000000..9997cd3 --- /dev/null +++ b/test/CodeGen/R600/fp32_to_fp16.ll @@ -0,0 +1,14 @@ +; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s + +declare float @llvm.convert.from.fp16(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 addrspace(1)* %in, align 2 + %cvt = call float @llvm.convert.from.fp16(i16 %val) nounwind readnone + store float %cvt, float addrspace(1)* %out, align 4 + ret void +} |