diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp b/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp index 1d3b837f124..a9f8f49d2f1 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp @@ -469,6 +469,12 @@ Instruction *InstCombiner::FoldPHIArgZextsIntoPHI(PHINode &Phi) { /// only used by the PHI, PHI together their inputs, and do the operation once, /// to the result of the PHI. Instruction *InstCombiner::FoldPHIArgOpIntoPHI(PHINode &PN) { + // We cannot create a new instruction after the PHI if the terminator is an + // EHPad because there is no valid insertion point. + if (TerminatorInst *TI = PN.getParent()->getTerminator()) + if (TI->isEHPad()) + return nullptr; + Instruction *FirstInst = cast<Instruction>(PN.getIncomingValue(0)); if (isa<GetElementPtrInst>(FirstInst)) |
