1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s 3 4 declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone 5 declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone 6 7 ; SI-LABEL: {{^}}test_convert_fp16_to_fp32: 8 ; SI: buffer_load_ushort [[VAL:v[0-9]+]] 9 ; SI: v_cvt_f32_f16_e32 [[RESULT:v[0-9]+]], [[VAL]] 10 ; SI: buffer_store_dword [[RESULT]] 11 define void @test_convert_fp16_to_fp32(float addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind { 12 %val = load i16, i16 addrspace(1)* %in, align 2 13 %cvt = call float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone 14 store float %cvt, float addrspace(1)* %out, align 4 15 ret void 16 } 17 18 19 ; SI-LABEL: {{^}}test_convert_fp16_to_fp64: 20 ; SI: buffer_load_ushort [[VAL:v[0-9]+]] 21 ; SI: v_cvt_f32_f16_e32 [[RESULT32:v[0-9]+]], [[VAL]] 22 ; SI: v_cvt_f64_f32_e32 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[RESULT32]] 23 ; SI: buffer_store_dwordx2 [[RESULT]] 24 define void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind { 25 %val = load i16, i16 addrspace(1)* %in, align 2 26 %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone 27 store double %cvt, double addrspace(1)* %out, align 4 28 ret void 29 } 30
