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22 lines
1.3 KiB
LLVM
22 lines
1.3 KiB
LLVM
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; RUN: llc -mtriple=amdgcn--amdpal -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -mtriple=amdgcn--amdpal -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -enable-var-scope %s
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; This pixel shader does not use the result of its interpolation, so it would
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; end up with an interpolation mode set in PSAddr but not PSEnable. This test tests
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; the workaround that ensures that an interpolation mode is also set in PSEnable.
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; GCN-LABEL: {{^}}amdpal_psenable:
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; GCN: .amd_amdgpu_pal_metadata{{.*}}0xa1b3,0x2,0xa1b4,0x2,
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define amdgpu_ps void @amdpal_psenable(i32 inreg, i32 inreg, i32 inreg, i32 inreg %m0, <2 x float> %pos) #6 {
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%inst23 = extractelement <2 x float> %pos, i32 0
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%inst24 = extractelement <2 x float> %pos, i32 1
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%inst25 = tail call float @llvm.amdgcn.interp.p1(float %inst23, i32 0, i32 0, i32 %m0)
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%inst26 = tail call float @llvm.amdgcn.interp.p2(float %inst25, float %inst24, i32 0, i32 0, i32 %m0)
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ret void
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}
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declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #2
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declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #2
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attributes #6 = { nounwind "InitialPSInputAddr"="2" }
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