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Make sure expressions only have one use before emitting them into a place that is conditionally executed

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22960 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-22 00:47:28 +00:00
parent 9944b76cfe
commit b30ee6a41a
1 changed files with 4 additions and 3 deletions
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7
lib/Target/PowerPC/PPCISelPattern.cpp
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@ -1670,9 +1670,10 @@ unsigned ISel::SelectExpr(SDOperand N, bool Recording) {
// If the false value is simple enough, evaluate it inline in the false
// block.
if (isa<ConstantSDNode>(N.getOperand(3)) ||
isa<ConstantFPSDNode>(N.getOperand(3)) ||
isa<GlobalAddressSDNode>(N.getOperand(3)))
if (N.getOperand(3).Val->hasOneUse() &&
(isa<ConstantSDNode>(N.getOperand(3)) ||
isa<ConstantFPSDNode>(N.getOperand(3)) ||
isa<GlobalAddressSDNode>(N.getOperand(3))))
FalseValue = 0;
else
FalseValue = SelectExpr(N.getOperand(3));