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17 lines
851 B
LLVM
17 lines
851 B
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
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declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone
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; FUNC-LABEL: {{^}}test_convert_fp16_to_fp64:
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; GCN: buffer_load_ushort [[VAL:v[0-9]+]]
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; GCN: v_cvt_f32_f16_e32 [[RESULT32:v[0-9]+]], [[VAL]]
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; GCN: v_cvt_f64_f32_e32 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[RESULT32]]
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; GCN: buffer_store_dwordx2 [[RESULT]]
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define void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind {
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%val = load i16, i16 addrspace(1)* %in, align 2
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%cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone
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store double %cvt, double addrspace(1)* %out, align 4
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ret void
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}
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