21 lines
1.1 KiB
LLVM
21 lines
1.1 KiB
LLVM
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
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; FUNC-LABEL: {{^}}test_convert_fp32_to_fp16:
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; GCN: buffer_load_dword [[VAL:v[0-9]+]]
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; GCN: v_cvt_f16_f32_e32 [[RESULT:v[0-9]+]], [[VAL]]
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; GCN: buffer_store_short [[RESULT]]
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; EG: MEM_RAT MSKOR
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; EG: VTX_READ_32
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; EG: FLT32_TO_FLT16
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define amdgpu_kernel void @test_convert_fp32_to_fp16(i16 addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind {
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%val = load float, float addrspace(1)* %in, align 4
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%cvt = call i16 @llvm.convert.to.fp16.f32(float %val) nounwind readnone
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store i16 %cvt, i16 addrspace(1)* %out, align 2
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ret void
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}
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