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Move one-use variable inside test. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2015-10-18 11:47:23 +00:00
parent c375284b82
commit 6771df9849
1 changed files with 1 additions and 2 deletions
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3
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -3876,7 +3876,6 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1,
SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3) {
// Perform various simplifications.
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
switch (Opcode) {
case ISD::FMA: {
ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1);
@ -3913,7 +3912,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, EVT VT,
break;
}
case ISD::SELECT:
if (N1C) {
if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1)) {
if (N1C->getZExtValue())
return N2; // select true, X, Y -> X
return N3; // select false, X, Y -> Y