forked from OSchip/llvm-project
30 lines
1.4 KiB
LLVM
30 lines
1.4 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; GCN-LABEL: {{^}}main:
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; SI: v_lshl_b32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; VI: v_lshlrev_b32_e64 v{{[0-9]+}}, v{{[0-9]+}}, 1
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define amdgpu_ps void @main(float %arg0, float %arg1) #0 {
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bb:
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%tmp = fptosi float %arg0 to i32
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%tmp1 = call <4 x float> @llvm.SI.image.load.v4i32(<4 x i32> undef, <8 x i32> undef, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
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%tmp2.f = extractelement <4 x float> %tmp1, i32 0
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%tmp2 = bitcast float %tmp2.f to i32
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%tmp3 = and i32 %tmp, 7
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%tmp4 = shl i32 1, %tmp3
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%tmp5 = and i32 %tmp2, %tmp4
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%tmp6 = icmp eq i32 %tmp5, 0
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%tmp7 = select i1 %tmp6, float 0.000000e+00, float %arg1
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%tmp8 = call i32 @llvm.SI.packf16(float undef, float %tmp7)
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%tmp9 = bitcast i32 %tmp8 to float
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call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float undef, float %tmp9, float undef, float %tmp9)
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ret void
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}
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declare <4 x float> @llvm.SI.image.load.v4i32(<4 x i32>, <8 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #1
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declare i32 @llvm.SI.packf16(float, float) #1
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declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
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attributes #0 = { "enable-no-nans-fp-math"="true" }
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attributes #1 = { nounwind readnone }
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