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| author | NAKAMURA Takumi <geek4civic@gmail.com> | 2017-07-11 02:31:51 +0000 |
|---|---|---|
| committer | NAKAMURA Takumi <geek4civic@gmail.com> | 2017-07-11 02:31:51 +0000 |
| commit | 76bab1f20b8422ec93853dac09c0510baeac1c09 (patch) | |
| tree | 11a7f890d208990c764af550cfcde1a038df5fe6 /llvm/lib/Analysis/ValueTracking.cpp | |
| parent | 6ad8f190c8f19e119aebbc239ba600da5659db57 (diff) | |
| download | bcm5719-llvm-76bab1f20b8422ec93853dac09c0510baeac1c09.tar.gz bcm5719-llvm-76bab1f20b8422ec93853dac09c0510baeac1c09.zip | |
Revert r307581, "Avoid doing conservative phi checks in aliasSameBasePointerGEPs() if no phis have been visited yet."
It broke stage2 tests in selfhosting.
llvm-svn: 307613
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 704b5ebfa68..9e042da8801 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -1873,7 +1873,7 @@ bool isKnownNonZero(const Value *V, unsigned Depth, const Query &Q) { if (Known.countMaxLeadingZeros() < BitWidth - ShiftVal) return true; // Are all the bits to be shifted out known zero? - if (Known.isUnknown() || Known.countMinTrailingZeros() >= ShiftVal) + if (Known.countMinTrailingZeros() >= ShiftVal) return isKnownNonZero(X, Depth, Q); } } |
