diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index d11f4e85c3d..59f416ebf0f 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -2110,14 +2110,20 @@ static bool FoldTwoEntryPHINode(PHINode *PN, const TargetTransformInfo &TTI, // Move all 'aggressive' instructions, which are defined in the // conditional parts of the if's up to the dominating block. - if (IfBlock1) + if (IfBlock1) { + for (auto &I : *IfBlock1) + I.dropUnknownNonDebugMetadata(); DomBlock->getInstList().splice(InsertPt->getIterator(), IfBlock1->getInstList(), IfBlock1->begin(), IfBlock1->getTerminator()->getIterator()); - if (IfBlock2) + } + if (IfBlock2) { + for (auto &I : *IfBlock2) + I.dropUnknownNonDebugMetadata(); DomBlock->getInstList().splice(InsertPt->getIterator(), IfBlock2->getInstList(), IfBlock2->begin(), IfBlock2->getTerminator()->getIterator()); + } while (PHINode *PN = dyn_cast<PHINode>(BB->begin())) { // Change the PHI node into a select instruction. |
