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Use SDValue bool check to tidyup some possible vector folding ops. NFC. 

llvm-svn: 233498
This commit is contained in:
Simon Pilgrim 2015-03-29 19:13:40 +00:00
parent 0a126adc68
commit dcbe1213c8
1 changed files with 35 additions and 40 deletions
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75
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -1577,8 +1577,8 @@ SDValue DAGCombiner::visitADD(SDNode *N) {
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (add x, 0) -> x, vector edition
if (ISD::isBuildVectorAllZeros(N1.getNode()))
@ -1821,8 +1821,8 @@ SDValue DAGCombiner::visitSUB(SDNode *N) {
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (sub x, 0) -> x, vector edition
if (ISD::isBuildVectorAllZeros(N1.getNode()))
@ -1977,8 +1977,8 @@ SDValue DAGCombiner::visitMUL(SDNode *N) {
APInt ConstValue0, ConstValue1;
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
N0IsConst = isConstantSplatVector(N0.getNode(), ConstValue0);
N1IsConst = isConstantSplatVector(N1.getNode(), ConstValue1);
@ -2088,10 +2088,9 @@ SDValue DAGCombiner::visitSDIV(SDNode *N) {
EVT VT = N->getValueType(0);
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
}
if (VT.isVector())
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (sdiv c1, c2) -> c1/c2
ConstantSDNode *N0C = isConstOrConstSplat(N0);
@ -2178,10 +2177,9 @@ SDValue DAGCombiner::visitUDIV(SDNode *N) {
EVT VT = N->getValueType(0);
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
}
if (VT.isVector())
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (udiv c1, c2) -> c1/c2
ConstantSDNode *N0C = isConstOrConstSplat(N0);
@ -2801,8 +2799,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (and x, 0) -> 0, vector edition
if (ISD::isBuildVectorAllZeros(N0.getNode()))
@ -3461,8 +3459,8 @@ SDValue DAGCombiner::visitOR(SDNode *N) {
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (or x, 0) -> x, vector edition
if (ISD::isBuildVectorAllZeros(N0.getNode()))
@ -3865,8 +3863,8 @@ SDValue DAGCombiner::visitXOR(SDNode *N) {
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (xor x, 0) -> x, vector edition
if (ISD::isBuildVectorAllZeros(N0.getNode()))
@ -4141,8 +4139,8 @@ SDValue DAGCombiner::visitSHL(SDNode *N) {
// fold vector ops
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
BuildVectorSDNode *N1CV = dyn_cast<BuildVectorSDNode>(N1);
// If setcc produces all-one true value then:
@ -4321,8 +4319,8 @@ SDValue DAGCombiner::visitSRA(SDNode *N) {
// fold vector ops
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
N1C = isConstOrConstSplat(N1);
}
@ -4467,8 +4465,8 @@ SDValue DAGCombiner::visitSRL(SDNode *N) {
// fold vector ops
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
N1C = isConstOrConstSplat(N1);
}
@ -7195,10 +7193,9 @@ SDValue DAGCombiner::visitFADD(SDNode *N) {
const TargetOptions &Options = DAG.getTarget().Options;
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
}
if (VT.isVector())
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (fadd c1, c2) -> c1 + c2
if (N0CFP && N1CFP)
@ -7389,10 +7386,9 @@ SDValue DAGCombiner::visitFSUB(SDNode *N) {
const TargetOptions &Options = DAG.getTarget().Options;
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
}
if (VT.isVector())
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (fsub c1, c2) -> c1-c2
if (N0CFP && N1CFP)
@ -7541,9 +7537,9 @@ SDValue DAGCombiner::visitFMUL(SDNode *N) {
// fold vector ops
if (VT.isVector()) {
// This just handles C1 * C2 for vectors. Other vector folds are below.
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode())
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// Canonicalize vector constant to RHS.
if (N0.getOpcode() == ISD::BUILD_VECTOR &&
N1.getOpcode() != ISD::BUILD_VECTOR)
@ -7723,10 +7719,9 @@ SDValue DAGCombiner::visitFDIV(SDNode *N) {
const TargetOptions &Options = DAG.getTarget().Options;
// fold vector ops
if (VT.isVector()) {
SDValue FoldedVOp = SimplifyVBinOp(N);
if (FoldedVOp.getNode()) return FoldedVOp;
}
if (VT.isVector())
if (SDValue FoldedVOp = SimplifyVBinOp(N))
return FoldedVOp;
// fold (fdiv c1, c2) -> c1/c2
if (N0CFP && N1CFP)