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Fix undefined behavior.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151385 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ahmed Charles 2012-02-24 19:06:15 +00:00
parent 9e931f6a64
commit 969b739fb9
1 changed files with 1 additions and 1 deletions
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2
lib/Support/APInt.cpp
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@ -1234,7 +1234,7 @@ APInt APInt::lshr(const APInt &shiftAmt) const {
/// @brief Logical right-shift function.
APInt APInt::lshr(unsigned shiftAmt) const {
if (isSingleWord()) {
if (shiftAmt == BitWidth)
if (shiftAmt >= BitWidth)
return APInt(BitWidth, 0);
else
return APInt(BitWidth, this->VAL >> shiftAmt);