1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
4 declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone
6 ; FUNC-LABEL: {{^}}test_convert_fp16_to_fp64:
7 ; GCN: buffer_load_ushort [[VAL:v[0-9]+]]
8 ; GCN: v_cvt_f32_f16_e32 [[RESULT32:v[0-9]+]], [[VAL]]
9 ; GCN: v_cvt_f64_f32_e32 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[RESULT32]]
10 ; GCN: buffer_store_dwordx2 [[RESULT]]
11 define amdgpu_kernel void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind {
12 %val = load i16, i16 addrspace(1)* %in, align 2
13 %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone
14 store double %cvt, double addrspace(1)* %out, align 4