[llvm] r367091 - [TargetLowering] SimplifyMultipleUseDemandedBits - add BITCAST pass through support.
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 26 01:38:39 PDT 2019
Author: rksimon
Date: Fri Jul 26 01:38:39 2019
New Revision: 367091
URL: http://llvm.org/viewvc/llvm-project?rev=367091&view=rev
Log:
[TargetLowering] SimplifyMultipleUseDemandedBits - add BITCAST pass through support.
This allows us to peek through BITCASTs and attempt simplify the source operand, and then bitcast back.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
llvm/trunk/test/CodeGen/X86/vector-reduce-umax.ll
llvm/trunk/test/CodeGen/X86/vector-reduce-umin.ll
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=367091&r1=367090&r2=367091&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Fri Jul 26 01:38:39 2019
@@ -565,12 +565,69 @@ bool TargetLowering::SimplifyDemandedBit
}
// TODO: Can we merge SelectionDAG::GetDemandedBits into this?
-// TODO: Under what circumstances can we create nodes? BITCAST? Constant?
+// TODO: Under what circumstances can we create nodes? Constant folding?
SDValue TargetLowering::SimplifyMultipleUseDemandedBits(
SDValue Op, const APInt &DemandedBits, const APInt &DemandedElts,
SelectionDAG &DAG, unsigned Depth) const {
+ unsigned NumElts = DemandedElts.getBitWidth();
KnownBits LHSKnown, RHSKnown;
switch (Op.getOpcode()) {
+ case ISD::BITCAST: {
+ SDValue Src = peekThroughBitcasts(Op.getOperand(0));
+ EVT SrcVT = Op.getOperand(0).getValueType();
+ EVT DstVT = Op.getValueType();
+ unsigned NumSrcEltBits = SrcVT.getScalarSizeInBits();
+ unsigned NumDstEltBits = DstVT.getScalarSizeInBits();
+
+ if (NumSrcEltBits == NumDstEltBits)
+ if (SDValue V = SimplifyMultipleUseDemandedBits(
+ Src, DemandedBits, DemandedElts, DAG, Depth + 1))
+ return DAG.getBitcast(DstVT, V);
+
+ // TODO - bigendian once we have test coverage.
+ if (SrcVT.isVector() && (NumDstEltBits % NumSrcEltBits) == 0 &&
+ DAG.getDataLayout().isLittleEndian()) {
+ unsigned Scale = NumDstEltBits / NumSrcEltBits;
+ unsigned NumSrcElts = SrcVT.getVectorNumElements();
+ APInt DemandedSrcBits = APInt::getNullValue(NumSrcEltBits);
+ APInt DemandedSrcElts = APInt::getNullValue(NumSrcElts);
+ for (unsigned i = 0; i != Scale; ++i) {
+ unsigned Offset = i * NumSrcEltBits;
+ APInt Sub = DemandedBits.extractBits(NumSrcEltBits, Offset);
+ if (!Sub.isNullValue()) {
+ DemandedSrcBits |= Sub;
+ for (unsigned j = 0; j != NumElts; ++j)
+ if (DemandedElts[j])
+ DemandedSrcElts.setBit((j * Scale) + i);
+ }
+ }
+
+ if (SDValue V = SimplifyMultipleUseDemandedBits(
+ Src, DemandedSrcBits, DemandedSrcElts, DAG, Depth + 1))
+ return DAG.getBitcast(DstVT, V);
+ }
+
+ // TODO - bigendian once we have test coverage.
+ if ((NumSrcEltBits % NumDstEltBits) == 0 &&
+ DAG.getDataLayout().isLittleEndian()) {
+ unsigned Scale = NumSrcEltBits / NumDstEltBits;
+ unsigned NumSrcElts = SrcVT.isVector() ? SrcVT.getVectorNumElements() : 1;
+ APInt DemandedSrcBits = APInt::getNullValue(NumSrcEltBits);
+ APInt DemandedSrcElts = APInt::getNullValue(NumSrcElts);
+ for (unsigned i = 0; i != NumElts; ++i)
+ if (DemandedElts[i]) {
+ unsigned Offset = (i % Scale) * NumDstEltBits;
+ DemandedSrcBits.insertBits(DemandedBits, Offset);
+ DemandedSrcElts.setBit(i / Scale);
+ }
+
+ if (SDValue V = SimplifyMultipleUseDemandedBits(
+ Src, DemandedSrcBits, DemandedSrcElts, DAG, Depth + 1))
+ return DAG.getBitcast(DstVT, V);
+ }
+
+ break;
+ }
case ISD::AND: {
LHSKnown = DAG.computeKnownBits(Op.getOperand(0), DemandedElts, Depth + 1);
RHSKnown = DAG.computeKnownBits(Op.getOperand(1), DemandedElts, Depth + 1);
@@ -615,7 +672,7 @@ SDValue TargetLowering::SimplifyMultiple
// If all the demanded elts are from one operand and are inline,
// then we can use the operand directly.
bool AllUndef = true, IdentityLHS = true, IdentityRHS = true;
- for (unsigned i = 0, NumElts = ShuffleMask.size(); i != NumElts; ++i) {
+ for (unsigned i = 0; i != NumElts; ++i) {
int M = ShuffleMask[i];
if (M < 0 || !DemandedElts[i])
continue;
Modified: llvm/trunk/test/CodeGen/X86/vector-reduce-umax.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vector-reduce-umax.ll?rev=367091&r1=367090&r2=367091&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vector-reduce-umax.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vector-reduce-umax.ll Fri Jul 26 01:38:39 2019
@@ -730,23 +730,24 @@ define i32 @test_v2i32(<2 x i32> %a0) {
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [4294967295,0,4294967295,0]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm2
-; SSE2-NEXT: punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm2[2],xmm0[3],xmm2[3]
-; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
; SSE2-NEXT: movdqa %xmm0, %xmm3
-; SSE2-NEXT: pxor %xmm2, %xmm3
-; SSE2-NEXT: pxor %xmm1, %xmm2
-; SSE2-NEXT: movdqa %xmm2, %xmm4
-; SSE2-NEXT: pcmpgtd %xmm3, %xmm4
-; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
-; SSE2-NEXT: pcmpeqd %xmm3, %xmm2
+; SSE2-NEXT: punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm2[2],xmm3[3],xmm2[3]
+; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
+; SSE2-NEXT: movdqa %xmm3, %xmm4
+; SSE2-NEXT: pxor %xmm2, %xmm4
+; SSE2-NEXT: pxor %xmm2, %xmm1
+; SSE2-NEXT: movdqa %xmm1, %xmm2
+; SSE2-NEXT: pcmpgtd %xmm4, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm2[0,0,2,2]
+; SSE2-NEXT: pcmpeqd %xmm4, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT: pand %xmm5, %xmm1
; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
-; SSE2-NEXT: pand %xmm5, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm4[1,1,3,3]
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: pand %xmm3, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm3
-; SSE2-NEXT: por %xmm1, %xmm3
-; SSE2-NEXT: movd %xmm3, %eax
+; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: pandn %xmm3, %xmm2
+; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: retq
;
; SSE41-LABEL: test_v2i32:
@@ -1212,24 +1213,24 @@ define i16 @test_v2i16(<2 x i16> %a0) {
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [65535,0,0,0,65535,0,0,0]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm2
-; SSE2-NEXT: punpckhwd {{.*#+}} xmm0 = xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
-; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT: movdqa %xmm0, %xmm3
+; SSE2-NEXT: punpckhwd {{.*#+}} xmm3 = xmm3[4],xmm2[4],xmm3[5],xmm2[5],xmm3[6],xmm2[6],xmm3[7],xmm2[7]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1]
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
-; SSE2-NEXT: movdqa %xmm1, %xmm3
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: por %xmm0, %xmm2
-; SSE2-NEXT: movdqa %xmm3, %xmm4
+; SSE2-NEXT: por %xmm2, %xmm1
+; SSE2-NEXT: por %xmm3, %xmm2
+; SSE2-NEXT: movdqa %xmm1, %xmm4
; SSE2-NEXT: pcmpgtd %xmm2, %xmm4
; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
-; SSE2-NEXT: pcmpeqd %xmm3, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
-; SSE2-NEXT: pand %xmm5, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm4[1,1,3,3]
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: pand %xmm3, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm3
-; SSE2-NEXT: por %xmm1, %xmm3
-; SSE2-NEXT: movd %xmm3, %eax
+; SSE2-NEXT: pcmpeqd %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
+; SSE2-NEXT: pand %xmm5, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm4[1,1,3,3]
+; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: pandn %xmm3, %xmm2
+; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: # kill: def $ax killed $ax killed $eax
; SSE2-NEXT: retq
;
@@ -1309,12 +1310,11 @@ define i16 @test_v4i16(<4 x i16> %a0) {
; SSE2-NEXT: pxor %xmm2, %xmm2
; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
-; SSE2-NEXT: movdqa %xmm1, %xmm2
-; SSE2-NEXT: pcmpgtd %xmm0, %xmm2
-; SSE2-NEXT: pand %xmm2, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm2
-; SSE2-NEXT: por %xmm1, %xmm2
-; SSE2-NEXT: movd %xmm2, %eax
+; SSE2-NEXT: pcmpgtd %xmm0, %xmm1
+; SSE2-NEXT: pand %xmm1, %xmm3
+; SSE2-NEXT: pandn %xmm0, %xmm1
+; SSE2-NEXT: por %xmm3, %xmm1
+; SSE2-NEXT: movd %xmm1, %eax
; SSE2-NEXT: # kill: def $ax killed $ax killed $eax
; SSE2-NEXT: retq
;
@@ -1765,25 +1765,25 @@ define i8 @test_v2i8(<2 x i8> %a0) {
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm2
-; SSE2-NEXT: punpckhbw {{.*#+}} xmm0 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
-; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
-; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT: movdqa %xmm0, %xmm3
+; SSE2-NEXT: punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1],xmm3[2],xmm2[2],xmm3[3],xmm2[3]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1]
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
-; SSE2-NEXT: movdqa %xmm1, %xmm3
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: por %xmm0, %xmm2
-; SSE2-NEXT: movdqa %xmm3, %xmm4
+; SSE2-NEXT: por %xmm2, %xmm1
+; SSE2-NEXT: por %xmm3, %xmm2
+; SSE2-NEXT: movdqa %xmm1, %xmm4
; SSE2-NEXT: pcmpgtd %xmm2, %xmm4
; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
-; SSE2-NEXT: pcmpeqd %xmm3, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
-; SSE2-NEXT: pand %xmm5, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm4[1,1,3,3]
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: pand %xmm3, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm3
-; SSE2-NEXT: por %xmm1, %xmm3
-; SSE2-NEXT: movd %xmm3, %eax
+; SSE2-NEXT: pcmpeqd %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
+; SSE2-NEXT: pand %xmm5, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm4[1,1,3,3]
+; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: pandn %xmm3, %xmm2
+; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: # kill: def $al killed $al killed $eax
; SSE2-NEXT: retq
;
@@ -1861,12 +1861,11 @@ define i8 @test_v4i8(<4 x i8> %a0) {
; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
-; SSE2-NEXT: movdqa %xmm1, %xmm2
-; SSE2-NEXT: pcmpgtd %xmm0, %xmm2
-; SSE2-NEXT: pand %xmm2, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm2
-; SSE2-NEXT: por %xmm1, %xmm2
-; SSE2-NEXT: movd %xmm2, %eax
+; SSE2-NEXT: pcmpgtd %xmm0, %xmm1
+; SSE2-NEXT: pand %xmm1, %xmm3
+; SSE2-NEXT: pandn %xmm0, %xmm1
+; SSE2-NEXT: por %xmm3, %xmm1
+; SSE2-NEXT: movd %xmm1, %eax
; SSE2-NEXT: # kill: def $al killed $al killed $eax
; SSE2-NEXT: retq
;
Modified: llvm/trunk/test/CodeGen/X86/vector-reduce-umin.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vector-reduce-umin.ll?rev=367091&r1=367090&r2=367091&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vector-reduce-umin.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vector-reduce-umin.ll Fri Jul 26 01:38:39 2019
@@ -728,23 +728,23 @@ define i32 @test_v2i32(<2 x i32> %a0) {
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [4294967295,0,4294967295,0]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm2
-; SSE2-NEXT: punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; SSE2-NEXT: movdqa %xmm0, %xmm3
+; SSE2-NEXT: punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm2[2],xmm3[3],xmm2[3]
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
-; SSE2-NEXT: movdqa %xmm1, %xmm3
-; SSE2-NEXT: pxor %xmm2, %xmm3
-; SSE2-NEXT: pxor %xmm0, %xmm2
+; SSE2-NEXT: pxor %xmm2, %xmm1
+; SSE2-NEXT: pxor %xmm3, %xmm2
; SSE2-NEXT: movdqa %xmm2, %xmm4
-; SSE2-NEXT: pcmpgtd %xmm3, %xmm4
+; SSE2-NEXT: pcmpgtd %xmm1, %xmm4
; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
-; SSE2-NEXT: pcmpeqd %xmm3, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
-; SSE2-NEXT: pand %xmm5, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm4[1,1,3,3]
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: pand %xmm3, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm3
-; SSE2-NEXT: por %xmm1, %xmm3
-; SSE2-NEXT: movd %xmm3, %eax
+; SSE2-NEXT: pcmpeqd %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
+; SSE2-NEXT: pand %xmm5, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm4[1,1,3,3]
+; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: pandn %xmm3, %xmm2
+; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: retq
;
; SSE41-LABEL: test_v2i32:
@@ -1210,24 +1210,24 @@ define i16 @test_v2i16(<2 x i16> %a0) {
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [65535,0,0,0,65535,0,0,0]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm2
-; SSE2-NEXT: punpckhwd {{.*#+}} xmm0 = xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
-; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT: movdqa %xmm0, %xmm3
+; SSE2-NEXT: punpckhwd {{.*#+}} xmm3 = xmm3[4],xmm2[4],xmm3[5],xmm2[5],xmm3[6],xmm2[6],xmm3[7],xmm2[7]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1]
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
-; SSE2-NEXT: movdqa %xmm1, %xmm3
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: por %xmm2, %xmm1
+; SSE2-NEXT: por %xmm3, %xmm2
; SSE2-NEXT: movdqa %xmm2, %xmm4
-; SSE2-NEXT: pcmpgtd %xmm3, %xmm4
+; SSE2-NEXT: pcmpgtd %xmm1, %xmm4
; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
-; SSE2-NEXT: pcmpeqd %xmm3, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
-; SSE2-NEXT: pand %xmm5, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm4[1,1,3,3]
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: pand %xmm3, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm3
-; SSE2-NEXT: por %xmm1, %xmm3
-; SSE2-NEXT: movd %xmm3, %eax
+; SSE2-NEXT: pcmpeqd %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
+; SSE2-NEXT: pand %xmm5, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm4[1,1,3,3]
+; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: pandn %xmm3, %xmm2
+; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: # kill: def $ax killed $ax killed $eax
; SSE2-NEXT: retq
;
@@ -1309,9 +1309,9 @@ define i16 @test_v4i16(<4 x i16> %a0) {
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
; SSE2-NEXT: movdqa %xmm0, %xmm2
; SSE2-NEXT: pcmpgtd %xmm1, %xmm2
-; SSE2-NEXT: pand %xmm2, %xmm1
+; SSE2-NEXT: pand %xmm2, %xmm3
; SSE2-NEXT: pandn %xmm0, %xmm2
-; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: por %xmm3, %xmm2
; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: # kill: def $ax killed $ax killed $eax
; SSE2-NEXT: retq
@@ -1670,25 +1670,25 @@ define i8 @test_v2i8(<2 x i8> %a0) {
; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: pxor %xmm2, %xmm2
-; SSE2-NEXT: punpckhbw {{.*#+}} xmm0 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
-; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
-; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT: movdqa %xmm0, %xmm3
+; SSE2-NEXT: punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1],xmm3[2],xmm2[2],xmm3[3],xmm2[3]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1]
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
-; SSE2-NEXT: movdqa %xmm1, %xmm3
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: por %xmm2, %xmm1
+; SSE2-NEXT: por %xmm3, %xmm2
; SSE2-NEXT: movdqa %xmm2, %xmm4
-; SSE2-NEXT: pcmpgtd %xmm3, %xmm4
+; SSE2-NEXT: pcmpgtd %xmm1, %xmm4
; SSE2-NEXT: pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
-; SSE2-NEXT: pcmpeqd %xmm3, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
-; SSE2-NEXT: pand %xmm5, %xmm2
-; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm4[1,1,3,3]
-; SSE2-NEXT: por %xmm2, %xmm3
-; SSE2-NEXT: pand %xmm3, %xmm1
-; SSE2-NEXT: pandn %xmm0, %xmm3
-; SSE2-NEXT: por %xmm1, %xmm3
-; SSE2-NEXT: movd %xmm3, %eax
+; SSE2-NEXT: pcmpeqd %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
+; SSE2-NEXT: pand %xmm5, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm4[1,1,3,3]
+; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: pandn %xmm3, %xmm2
+; SSE2-NEXT: por %xmm0, %xmm2
+; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: # kill: def $al killed $al killed $eax
; SSE2-NEXT: retq
;
@@ -1768,9 +1768,9 @@ define i8 @test_v4i8(<4 x i8> %a0) {
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
; SSE2-NEXT: movdqa %xmm0, %xmm2
; SSE2-NEXT: pcmpgtd %xmm1, %xmm2
-; SSE2-NEXT: pand %xmm2, %xmm1
+; SSE2-NEXT: pand %xmm2, %xmm3
; SSE2-NEXT: pandn %xmm0, %xmm2
-; SSE2-NEXT: por %xmm1, %xmm2
+; SSE2-NEXT: por %xmm3, %xmm2
; SSE2-NEXT: movd %xmm2, %eax
; SSE2-NEXT: # kill: def $al killed $al killed $eax
; SSE2-NEXT: retq
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