diff options
| author | Craig Topper <craig.topper@gmail.com> | 2017-04-20 16:56:25 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-04-20 16:56:25 +0000 |
| commit | bcfd2d1789e6709dfd585521ac599ae49091a6e8 (patch) | |
| tree | 1b6909c06a2be947e3583c44ba16be0d8e5ee75f /llvm/lib/Analysis/ValueTracking.cpp | |
| parent | 20f2b01222a1e56b360a80d78a371fa063abfdbf (diff) | |
| download | bcm5719-llvm-bcfd2d1789e6709dfd585521ac599ae49091a6e8.tar.gz bcm5719-llvm-bcfd2d1789e6709dfd585521ac599ae49091a6e8.zip | |
[APInt] Rename getSignBit to getSignMask
getSignBit is a static function that creates an APInt with only the sign bit set. getSignMask seems like a better name to convey its functionality. In fact several places use it and then store in an APInt named SignMask.
Differential Revision: https://reviews.llvm.org/D32108
llvm-svn: 300856
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 0bbb37295f1..900a2363e60 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -1640,9 +1640,9 @@ bool isKnownToBeAPowerOfTwo(const Value *V, bool OrZero, unsigned Depth, if (match(V, m_Shl(m_One(), m_Value()))) return true; - // (signbit) >>l X is clearly a power of two if the one is not shifted off the - // bottom. If it is shifted off the bottom then the result is undefined. - if (match(V, m_LShr(m_SignBit(), m_Value()))) + // (signmask) >>l X is clearly a power of two if the one is not shifted off + // the bottom. If it is shifted off the bottom then the result is undefined. + if (match(V, m_LShr(m_SignMask(), m_Value()))) return true; // The remaining tests are all recursive, so bail out if we hit the limit. |
