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[APInt] In slt/sgt(uint64_t), only call getMinSignedBits if the APInt is not a single word.

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llvm-svn: 300824
This commit is contained in:
Craig Topper 2017-04-20 06:04:03 +00:00
parent 475cc17252
commit 1792ac28fa
1 changed files with 4 additions and 2 deletions
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6
include/llvm/ADT/APInt.h
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@ -1104,7 +1104,8 @@ public:
///
/// \returns true if *this < RHS when considered signed.
bool slt(int64_t RHS) const {
return getMinSignedBits() > 64 ? isNegative() : getSExtValue() < RHS;
return (!isSingleWord() && getMinSignedBits() > 64) ? isNegative()
: getSExtValue() < RHS;
}
/// \brief Unsigned less or equal comparison
@ -1173,7 +1174,8 @@ public:
///
/// \returns true if *this > RHS when considered signed.
bool sgt(int64_t RHS) const {
return getMinSignedBits() > 64 ? !isNegative() : getSExtValue() > RHS;
return (!isSingleWord() && getMinSignedBits() > 64) ? !isNegative()
: getSExtValue() > RHS;
}
/// \brief Unsigned greater or equal comparison