1 files changed, 6 insertions, 6 deletions
diff --git a/lib/CodeGen/AtomicExpandPass.cpp b/lib/CodeGen/AtomicExpandPass.cpp
index dc7eaf6a5fe7..27b298dcf6af 100644
--- a/lib/CodeGen/AtomicExpandPass.cpp
+++ b/lib/CodeGen/AtomicExpandPass.cpp
@@ -382,7 +382,7 @@ LoadInst *AtomicExpand::convertAtomicLoadToIntegerType(LoadInst *LI) {
   Value *NewAddr = Builder.CreateBitCast(Addr, PT);
 
   auto *NewLI = Builder.CreateLoad(NewTy, NewAddr);
-  NewLI->setAlignment(LI->getAlignment());
+  NewLI->setAlignment(MaybeAlign(LI->getAlignment()));
   NewLI->setVolatile(LI->isVolatile());
   NewLI->setAtomic(LI->getOrdering(), LI->getSyncScopeID());
   LLVM_DEBUG(dbgs() << "Replaced " << *LI << " with " << *NewLI << "\n");
@@ -469,7 +469,7 @@ StoreInst *AtomicExpand::convertAtomicStoreToIntegerType(StoreInst *SI) {
   Value *NewAddr = Builder.CreateBitCast(Addr, PT);
 
   StoreInst *NewSI = Builder.CreateStore(NewVal, NewAddr);
-  NewSI->setAlignment(SI->getAlignment());
+  NewSI->setAlignment(MaybeAlign(SI->getAlignment()));
   NewSI->setVolatile(SI->isVolatile());
   NewSI->setAtomic(SI->getOrdering(), SI->getSyncScopeID());
   LLVM_DEBUG(dbgs() << "Replaced " << *SI << " with " << *NewSI << "\n");
@@ -1376,7 +1376,7 @@ Value *AtomicExpand::insertRMWCmpXchgLoop(
   Builder.SetInsertPoint(BB);
   LoadInst *InitLoaded = Builder.CreateLoad(ResultTy, Addr);
   // Atomics require at least natural alignment.
-  InitLoaded->setAlignment(ResultTy->getPrimitiveSizeInBits() / 8);
+  InitLoaded->setAlignment(MaybeAlign(ResultTy->getPrimitiveSizeInBits() / 8));
   Builder.CreateBr(LoopBB);
 
   // Start the main loop block now that we've taken care of the preliminaries.
@@ -1711,7 +1711,7 @@ bool AtomicExpand::expandAtomicOpToLibcall(
   // 'expected' argument, if present.
   if (CASExpected) {
     AllocaCASExpected = AllocaBuilder.CreateAlloca(CASExpected->getType());
-    AllocaCASExpected->setAlignment(AllocaAlignment);
+    AllocaCASExpected->setAlignment(MaybeAlign(AllocaAlignment));
     unsigned AllocaAS =  AllocaCASExpected->getType()->getPointerAddressSpace();
 
     AllocaCASExpected_i8 =
@@ -1730,7 +1730,7 @@ bool AtomicExpand::expandAtomicOpToLibcall(
       Args.push_back(IntValue);
     } else {
       AllocaValue = AllocaBuilder.CreateAlloca(ValueOperand->getType());
-      AllocaValue->setAlignment(AllocaAlignment);
+      AllocaValue->setAlignment(MaybeAlign(AllocaAlignment));
       AllocaValue_i8 =
           Builder.CreateBitCast(AllocaValue, Type::getInt8PtrTy(Ctx));
       Builder.CreateLifetimeStart(AllocaValue_i8, SizeVal64);
@@ -1742,7 +1742,7 @@ bool AtomicExpand::expandAtomicOpToLibcall(
   // 'ret' argument.
   if (!CASExpected && HasResult && !UseSizedLibcall) {
     AllocaResult = AllocaBuilder.CreateAlloca(I->getType());
-    AllocaResult->setAlignment(AllocaAlignment);
+    AllocaResult->setAlignment(MaybeAlign(AllocaAlignment));
     unsigned AllocaAS =  AllocaResult->getType()->getPointerAddressSpace();
     AllocaResult_i8 =
       Builder.CreateBitCast(AllocaResult, Type::getInt8PtrTy(Ctx, AllocaAS));