diff options
author | Owen Anderson <resistor@mac.com> | 2015-11-20 08:16:13 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2015-11-20 08:16:13 +0000 |
commit | 3f9c2909a59bff96037218dfea1c273943450a44 (patch) | |
tree | 187d51717454ecc75add694fdeb5fceb0fc252c3 /lib/Transforms/Scalar/Reassociate.cpp | |
parent | 6be7f00207fb96925c53b88e7b879c7546390e72 (diff) |
Fix a pair of issues that caused an infinite loop in reassociate.
Terrifyingly, one of them is a mishandling of floating point vectors
in Constant::isZero(). How exactly this issue survived this long
is beyond me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/Reassociate.cpp')
-rw-r--r-- | lib/Transforms/Scalar/Reassociate.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp index 82c79e7d919..fa2f7d995c6 100644 --- a/lib/Transforms/Scalar/Reassociate.cpp +++ b/lib/Transforms/Scalar/Reassociate.cpp @@ -2064,7 +2064,7 @@ void Reassociate::OptimizeInst(Instruction *I) { return; // Don't optimize floating point instructions that don't have unsafe algebra. - if (I->getType()->isFloatingPointTy() && !I->hasUnsafeAlgebra()) + if (I->getType()->isFPOrFPVectorTy() && !I->hasUnsafeAlgebra()) return; // Do not reassociate boolean (i1) expressions. We want to preserve the |