Minor cleanups. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175359 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 02ac8bf..f0e0352 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2655,8 +2655,7 @@
// 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 @@
/// 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 @@
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 @@
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: