23 lines
1.3 KiB
LLVM
23 lines
1.3 KiB
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 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=EGCM -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=CM -check-prefix=EGCM -check-prefix=FUNC %s
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declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone
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; FUNC-LABEL: {{^}}test_convert_fp16_to_fp32:
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; GCN: buffer_load_ushort [[VAL:v[0-9]+]]
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; GCN: v_cvt_f32_f16_e32 [[RESULT:v[0-9]+]], [[VAL]]
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; GCN: buffer_store_dword [[RESULT]]
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; EG: MEM_RAT_CACHELESS STORE_RAW [[RES:T[0-9]+\.[XYZW]]]
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; CM: MEM_RAT_CACHELESS STORE_DWORD [[RES:T[0-9]+\.[XYZW]]]
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; EGCM: VTX_READ_16 [[VAL:T[0-9]+\.[XYZW]]]
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; EGCM: FLT16_TO_FLT32{{[ *]*}}[[RES]], [[VAL]]
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define amdgpu_kernel void @test_convert_fp16_to_fp32(float 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 float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone
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store float %cvt, float addrspace(1)* %out, align 4
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ret void
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}
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