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Minor cleanups. No functionality change. 

llvm-svn: 175359
This commit is contained in:
Jakub Staszak 2013-02-16 13:34:26 +00:00
parent 1f62596fde
commit d784d96074
1 changed files with 8 additions and 9 deletions
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17
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -2655,8 +2655,7 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
// This isn't right, although it's probably harmless on x86; liveouts
// should be computed from returns not tail calls. Consider a void
// function making a tail call to a function returning int.
return DAG.getNode(X86ISD::TC_RETURN, dl,
NodeTys, &Ops[0], Ops.size());
return DAG.getNode(X86ISD::TC_RETURN, dl, NodeTys, &Ops[0], Ops.size());
}
Chain = DAG.getNode(X86ISD::CALL, dl, NodeTys, &Ops[0], Ops.size());
@ -4222,10 +4221,11 @@ static unsigned getShuffleCLImmediate(ShuffleVectorSDNode *N) {
/// isZeroNode - Returns true if Elt is a constant zero or a floating point
/// constant +0.0.
bool X86::isZeroNode(SDValue Elt) {
return ((isa<ConstantSDNode>(Elt) &&
cast<ConstantSDNode>(Elt)->isNullValue()) ||
(isa<ConstantFPSDNode>(Elt) &&
cast<ConstantFPSDNode>(Elt)->getValueAPF().isPosZero()));
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Elt))
return CN->isNullValue();
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Elt))
return CFP->getValueAPF().isPosZero();
return false;
}
/// CommuteVectorShuffle - Swap vector_shuffle operands as well as values in
@ -15675,7 +15675,7 @@ static SDValue PerformCMOVCombine(SDNode *N, SelectionDAG &DAG,
ConstantSDNode *CmpAgainst = 0;
if ((Cond.getOpcode() == X86ISD::CMP || Cond.getOpcode() == X86ISD::SUB) &&
(CmpAgainst = dyn_cast<ConstantSDNode>(Cond.getOperand(1))) &&
dyn_cast<ConstantSDNode>(Cond.getOperand(0)) == 0) {
!isa<ConstantSDNode>(Cond.getOperand(0))) {
if (CC == X86::COND_NE &&
CmpAgainst == dyn_cast<ConstantSDNode>(FalseOp)) {
@ -15955,8 +15955,7 @@ static SDValue CMPEQCombine(SDNode *N, SelectionDAG &DAG,
if (VT == MVT::f32 || VT == MVT::f64) {
bool ExpectingFlags = false;
// Check for any users that want flags:
for (SDNode::use_iterator UI = N->use_begin(),
UE = N->use_end();
for (SDNode::use_iterator UI = N->use_begin(), UE = N->use_end();
!ExpectingFlags && UI != UE; ++UI)
switch (UI->getOpcode()) {
default: