diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombinePHI.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombinePHI.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Transforms/InstCombine/InstCombinePHI.cpp b/lib/Transforms/InstCombine/InstCombinePHI.cpp index 5820ab726637..e0376b7582f3 100644 --- a/lib/Transforms/InstCombine/InstCombinePHI.cpp +++ b/lib/Transforms/InstCombine/InstCombinePHI.cpp @@ -542,7 +542,7 @@ Instruction *InstCombiner::FoldPHIArgLoadIntoPHI(PHINode &PN) { // visitLoadInst will propagate an alignment onto the load when TD is around, // and if TD isn't around, we can't handle the mixed case. bool isVolatile = FirstLI->isVolatile(); - unsigned LoadAlignment = FirstLI->getAlignment(); + MaybeAlign LoadAlignment(FirstLI->getAlignment()); unsigned LoadAddrSpace = FirstLI->getPointerAddressSpace(); // We can't sink the load if the loaded value could be modified between the @@ -574,10 +574,10 @@ Instruction *InstCombiner::FoldPHIArgLoadIntoPHI(PHINode &PN) { // If some of the loads have an alignment specified but not all of them, // we can't do the transformation. - if ((LoadAlignment != 0) != (LI->getAlignment() != 0)) + if ((LoadAlignment.hasValue()) != (LI->getAlignment() != 0)) return nullptr; - LoadAlignment = std::min(LoadAlignment, LI->getAlignment()); + LoadAlignment = std::min(LoadAlignment, MaybeAlign(LI->getAlignment())); // If the PHI is of volatile loads and the load block has multiple // successors, sinking it would remove a load of the volatile value from |