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R600: Fix wrong export reswizzling

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llvm-svn: 185941
This commit is contained in:
Vincent Lejeune 2013-07-09 15:03:19 +00:00
parent d29844ad2e
commit 48ea85c102
2 changed files with 100 additions and 4 deletions
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4
lib/Target/R600/R600OptimizeVectorRegisters.cpp
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@ -183,10 +183,6 @@ MachineInstr *R600VectorRegMerger::RebuildVector(
std::vector<unsigned> UpdatedUndef = BaseRSI->UndefReg;
for (DenseMap<unsigned, unsigned>::iterator It = RSI->RegToChan.begin(),
E = RSI->RegToChan.end(); It != E; ++It) {
if (BaseRSI->RegToChan.find((*It).first) != BaseRSI->RegToChan.end()) {
UpdatedRegToChan[(*It).first] = (*It).second;
continue;
}
unsigned DstReg = MRI->createVirtualRegister(&AMDGPU::R600_Reg128RegClass);
unsigned SubReg = (*It).first;
unsigned Swizzle = (*It).second;

100
test/CodeGen/R600/swizzle-export.ll Normal file
View File

@ -0,0 +1,100 @@
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
;EG-CHECK: EXPORT T{{[0-9]+}}.XYXX
;EG-CHECK: EXPORT T{{[0-9]+}}.ZXXX
;EG-CHECK: EXPORT T{{[0-9]+}}.XXWX
;EG-CHECK: EXPORT T{{[0-9]+}}.XXXW
define void @main() #0 {
main_body:
%0 = call float @llvm.R600.load.input(i32 4)
%1 = call float @llvm.R600.load.input(i32 5)
%2 = call float @llvm.R600.load.input(i32 6)
%3 = call float @llvm.R600.load.input(i32 7)
%4 = load <4 x float> addrspace(8)* null
%5 = extractelement <4 x float> %4, i32 1
%6 = load <4 x float> addrspace(8)* null
%7 = extractelement <4 x float> %6, i32 2
%8 = load <4 x float> addrspace(8)* null
%9 = extractelement <4 x float> %8, i32 0
%10 = fmul float 0.000000e+00, %9
%11 = load <4 x float> addrspace(8)* null
%12 = extractelement <4 x float> %11, i32 0
%13 = fmul float %5, %12
%14 = load <4 x float> addrspace(8)* null
%15 = extractelement <4 x float> %14, i32 0
%16 = fmul float 0.000000e+00, %15
%17 = load <4 x float> addrspace(8)* null
%18 = extractelement <4 x float> %17, i32 0
%19 = fmul float 0.000000e+00, %18
%20 = load <4 x float> addrspace(8)* null
%21 = extractelement <4 x float> %20, i32 0
%22 = fmul float %7, %21
%23 = load <4 x float> addrspace(8)* null
%24 = extractelement <4 x float> %23, i32 0
%25 = fmul float 0.000000e+00, %24
%26 = load <4 x float> addrspace(8)* null
%27 = extractelement <4 x float> %26, i32 0
%28 = fmul float 0.000000e+00, %27
%29 = load <4 x float> addrspace(8)* null
%30 = extractelement <4 x float> %29, i32 0
%31 = fmul float 0.000000e+00, %30
%32 = load <4 x float> addrspace(8)* null
%33 = extractelement <4 x float> %32, i32 0
%34 = fmul float 0.000000e+00, %33
%35 = load <4 x float> addrspace(8)* null
%36 = extractelement <4 x float> %35, i32 0
%37 = fmul float 0.000000e+00, %36
%38 = load <4 x float> addrspace(8)* null
%39 = extractelement <4 x float> %38, i32 0
%40 = fmul float 1.000000e+00, %39
%41 = load <4 x float> addrspace(8)* null
%42 = extractelement <4 x float> %41, i32 0
%43 = fmul float 0.000000e+00, %42
%44 = load <4 x float> addrspace(8)* null
%45 = extractelement <4 x float> %44, i32 0
%46 = fmul float 0.000000e+00, %45
%47 = load <4 x float> addrspace(8)* null
%48 = extractelement <4 x float> %47, i32 0
%49 = fmul float 0.000000e+00, %48
%50 = load <4 x float> addrspace(8)* null
%51 = extractelement <4 x float> %50, i32 0
%52 = fmul float 0.000000e+00, %51
%53 = load <4 x float> addrspace(8)* null
%54 = extractelement <4 x float> %53, i32 0
%55 = fmul float 1.000000e+00, %54
%56 = insertelement <4 x float> undef, float %0, i32 0
%57 = insertelement <4 x float> %56, float %1, i32 1
%58 = insertelement <4 x float> %57, float %2, i32 2
%59 = insertelement <4 x float> %58, float %3, i32 3
call void @llvm.R600.store.swizzle(<4 x float> %59, i32 60, i32 1)
%60 = insertelement <4 x float> undef, float %10, i32 0
%61 = insertelement <4 x float> %60, float %13, i32 1
%62 = insertelement <4 x float> %61, float %16, i32 2
%63 = insertelement <4 x float> %62, float %19, i32 3
call void @llvm.R600.store.swizzle(<4 x float> %63, i32 0, i32 2)
%64 = insertelement <4 x float> undef, float %22, i32 0
%65 = insertelement <4 x float> %64, float %25, i32 1
%66 = insertelement <4 x float> %65, float %28, i32 2
%67 = insertelement <4 x float> %66, float %31, i32 3
call void @llvm.R600.store.swizzle(<4 x float> %67, i32 1, i32 2)
%68 = insertelement <4 x float> undef, float %34, i32 0
%69 = insertelement <4 x float> %68, float %37, i32 1
%70 = insertelement <4 x float> %69, float %40, i32 2
%71 = insertelement <4 x float> %70, float %43, i32 3
call void @llvm.R600.store.swizzle(<4 x float> %71, i32 2, i32 2)
%72 = insertelement <4 x float> undef, float %46, i32 0
%73 = insertelement <4 x float> %72, float %49, i32 1
%74 = insertelement <4 x float> %73, float %52, i32 2
%75 = insertelement <4 x float> %74, float %55, i32 3
call void @llvm.R600.store.swizzle(<4 x float> %75, i32 3, i32 2)
ret void
}
; Function Attrs: readnone
declare float @llvm.R600.load.input(i32) #1
declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
attributes #0 = { "ShaderType"="1" }
attributes #1 = { readnone }