diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2012-03-16 01:48:04 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2012-03-16 01:48:04 +0000 |
| commit | ff993202abf6f5dc41c584c7103f5d39f248b3dd (patch) | |
| tree | f171964ba507fac08585218e23d461dfacbcb4d5 /lib/CodeGen | |
| parent | 9ace587fe52a955cf575d8662d8b86b3b084d44b (diff) | |
Don't try to create "store atomic" instructions of non-integer types; they aren't supported at the moment. PR12040.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152891 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 2a3aa1f2a5..eb849f6e99 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -942,12 +942,13 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, case Builtin::BI__sync_lock_release_8: case Builtin::BI__sync_lock_release_16: { Value *Ptr = EmitScalarExpr(E->getArg(0)); - llvm::Type *ElLLVMTy = - cast<llvm::PointerType>(Ptr->getType())->getElementType(); - llvm::StoreInst *Store = - Builder.CreateStore(llvm::Constant::getNullValue(ElLLVMTy), Ptr); QualType ElTy = E->getArg(0)->getType()->getPointeeType(); CharUnits StoreSize = getContext().getTypeSizeInChars(ElTy); + llvm::Type *ITy = llvm::IntegerType::get(getLLVMContext(), + StoreSize.getQuantity() * 8); + Ptr = Builder.CreateBitCast(Ptr, ITy->getPointerTo()); + llvm::StoreInst *Store = + Builder.CreateStore(llvm::Constant::getNullValue(ITy), Ptr); Store->setAlignment(StoreSize.getQuantity()); Store->setAtomic(llvm::Release); return RValue::get(0); |