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Cleanup. No functionality change intended. 

llvm-svn: 212432
This commit is contained in:
Richard Smith 2014-07-07 05:36:14 +00:00
parent 763f9a50a5
commit 45d099b995
1 changed files with 4 additions and 5 deletions
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9
clang/lib/CodeGen/CGExprScalar.cpp
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@ -1618,12 +1618,11 @@ ScalarExprEmitter::EmitScalarPrePostIncDec(const UnaryOperator *E, LValue LV,
// Note that signed integer inc/dec with width less than int can't
// overflow because of promotion rules; we're just eliding a few steps here.
if (value->getType()->getPrimitiveSizeInBits() >=
CGF.IntTy->getBitWidth() &&
type->isSignedIntegerOrEnumerationType()) {
bool CanOverflow = value->getType()->getIntegerBitWidth() >=
CGF.IntTy->getIntegerBitWidth();
if (CanOverflow && type->isSignedIntegerOrEnumerationType()) {
value = EmitAddConsiderOverflowBehavior(E, value, amt, isInc);
} else if (value->getType()->getPrimitiveSizeInBits() >=
CGF.IntTy->getBitWidth() && type->isUnsignedIntegerType() &&
} else if (CanOverflow && type->isUnsignedIntegerType() &&
CGF.SanOpts->UnsignedIntegerOverflow) {
BinOpInfo BinOp;
BinOp.LHS = value;