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Eliminate unnecessary uses of getZExtValue().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106279 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-06-18 14:22:04 +00:00
parent 7720cb3823
commit e368b460a2
14 changed files with 22 additions and 21 deletions
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6
lib/Target/Sparc/SparcISelLowering.cpp
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@@ -737,7 +737,7 @@ void SparcTargetLowering::computeMaskedBitsForTargetNode(const SDValue Op,
static void LookThroughSetCC(SDValue &LHS, SDValue &RHS,
ISD::CondCode CC, unsigned &SPCC) {
if (isa<ConstantSDNode>(RHS) &&
cast<ConstantSDNode>(RHS)->getZExtValue() == 0 &&
cast<ConstantSDNode>(RHS)->isNullValue() &&
CC == ISD::SETNE &&
((LHS.getOpcode() == SPISD::SELECT_ICC &&
LHS.getOperand(3).getOpcode() == SPISD::CMPICC) ||
@@ -745,8 +745,8 @@ static void LookThroughSetCC(SDValue &LHS, SDValue &RHS,
LHS.getOperand(3).getOpcode() == SPISD::CMPFCC)) &&
isa<ConstantSDNode>(LHS.getOperand(0)) &&
isa<ConstantSDNode>(LHS.getOperand(1)) &&
cast<ConstantSDNode>(LHS.getOperand(0))->getZExtValue() == 1 &&
cast<ConstantSDNode>(LHS.getOperand(1))->getZExtValue() == 0) {
cast<ConstantSDNode>(LHS.getOperand(0))->isOne() &&
cast<ConstantSDNode>(LHS.getOperand(1))->isNullValue()) {
SDValue CMPCC = LHS.getOperand(3);
SPCC = cast<ConstantSDNode>(LHS.getOperand(2))->getZExtValue();
LHS = CMPCC.getOperand(0);