diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index bb0bad7..45feeae 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -5831,6 +5831,8 @@ bool CodeGenPrepare::optimizePhiType( Worklist.push_back(OpPhi); } } else if (auto *OpLoad = dyn_cast<LoadInst>(V)) { + if (!OpLoad->isSimple()) + return false; if (!Defs.count(OpLoad)) { Defs.insert(OpLoad); Worklist.push_back(OpLoad); @@ -5868,7 +5870,7 @@ bool CodeGenPrepare::optimizePhiType( Worklist.push_back(OpPhi); } } else if (auto *OpStore = dyn_cast<StoreInst>(V)) { - if (OpStore->getOperand(0) != II) + if (!OpStore->isSimple() || OpStore->getOperand(0) != II) return false; Uses.insert(OpStore); } else if (auto *OpBC = dyn_cast<BitCastInst>(V)) { |