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| author | David Majnemer <david.majnemer@gmail.com> | 2013-07-09 18:11:10 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2013-07-09 18:11:10 +0000 |
| commit | ab6ceab8a65e26667a437a4ace7fe93a3772c6ff (patch) | |
| tree | abed41e4b29796b9ab0694e5f35dd30cd0ffc9c6 /test/CodeGen/PowerPC/ashr-neg1.ll | |
| parent | 29b741942807bc4c0441d98f1330b70446794b88 (diff) | |
ValueTracking: Fix bugs in isKnownToBeAPowerOfTwo
(add nsw x, (and x, y)) isn't a power of two if x is zero, it's zero
(add nsw x, (xor x, y)) isn't a power of two if y has bits set that aren't set in x
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185954 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/ashr-neg1.ll')
0 files changed, 0 insertions, 0 deletions