diff options
Diffstat (limited to 'test/CodeGen/R600/fp16_to_fp.ll')
| -rw-r--r-- | test/CodeGen/R600/fp16_to_fp.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/R600/fp16_to_fp.ll b/test/CodeGen/R600/fp16_to_fp.ll new file mode 100644 index 0000000..ec3e051 --- /dev/null +++ b/test/CodeGen/R600/fp16_to_fp.ll @@ -0,0 +1,28 @@ +; RUN: llc -march=r600 -mcpu=SI -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 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 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 +} |