diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LowerGC.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LowerGC.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/llvm/lib/Transforms/Scalar/LowerGC.cpp b/llvm/lib/Transforms/Scalar/LowerGC.cpp index b3463340c10..345fafbe4fb 100644 --- a/llvm/lib/Transforms/Scalar/LowerGC.cpp +++ b/llvm/lib/Transforms/Scalar/LowerGC.cpp @@ -47,7 +47,7 @@ namespace { /// had zero roots. const Type *MainRootRecordType; public: - LowerGC() : GCRootInt(0), GCReadInt(0), GCWriteInt(0), + LowerGC() : GCRootInt(0), GCReadInt(0), GCWriteInt(0), GCRead(0), GCWrite(0), RootChain(0), MainRootRecordType(0) {} virtual bool doInitialization(Module &M); virtual bool runOnFunction(Function &F); @@ -125,7 +125,7 @@ bool LowerGC::doInitialization(Module &M) { if (RootChain == 0) { // If the root chain does not exist, insert a new one with linkonce // linkage! - RootChain = new GlobalVariable(PRLTy, false, + RootChain = new GlobalVariable(PRLTy, false, GlobalValue::LinkOnceLinkage, Constant::getNullValue(PRLTy), "llvm_gc_root_chain", &M); @@ -141,7 +141,7 @@ bool LowerGC::doInitialization(Module &M) { /// not have the specified type, insert a cast. static void Coerce(Instruction *I, unsigned OpNum, Type *Ty) { if (I->getOperand(OpNum)->getType() != Ty) { - if (Constant *C = dyn_cast<Constant>(I->getOperand(OpNum))) + if (Constant *C = dyn_cast<Constant>(I->getOperand(OpNum))) I->setOperand(OpNum, ConstantExpr::getCast(C, Ty)); else { CastInst *CI = new CastInst(I->getOperand(OpNum), Ty, "", I); @@ -152,7 +152,7 @@ static void Coerce(Instruction *I, unsigned OpNum, Type *Ty) { /// runOnFunction - If the program is using GC intrinsics, replace any /// read/write intrinsics with the appropriate read/write barrier calls, then -/// inline them. Finally, build the data structures for +/// inline them. Finally, build the data structures for bool LowerGC::runOnFunction(Function &F) { // Quick exit for programs that are not using GC mechanisms. if (!GCRootInt && !GCReadInt && !GCWriteInt) return false; @@ -192,7 +192,7 @@ bool LowerGC::runOnFunction(Function &F) { CI->setOperand(0, GCRead); } else { // Create a whole new call to replace the old one. - CallInst *NC = new CallInst(GCRead, CI->getOperand(1), + CallInst *NC = new CallInst(GCRead, CI->getOperand(1), CI->getOperand(2), CI->getName(), CI); Value *NV = new CastInst(NC, CI->getType(), "", CI); @@ -208,7 +208,7 @@ bool LowerGC::runOnFunction(Function &F) { MadeChange = true; } } - + // If there are no GC roots in this function, then there is no need to create // a GC list record for it. if (GCRoots.empty()) return MadeChange; @@ -263,7 +263,7 @@ bool LowerGC::runOnFunction(Function &F) { Par[3] = Zero; Value *RootPtrPtr = new GetElementPtrInst(AI, Par, "RootEntPtr", IP); new StoreInst(Null, RootPtrPtr, IP); - + // Each occurrance of the llvm.gcroot intrinsic now turns into an // initialization of the slot with the address and a zeroing out of the // address specified. @@ -301,7 +301,7 @@ bool LowerGC::runOnFunction(Function &F) { UnwindInst *UI = new UnwindInst(Cleanup); PrevPtr = new LoadInst(PrevPtrPtr, "prevptr", UI); new StoreInst(PrevPtr, RootChain, UI); - + // Loop over all of the function calls, turning them into invokes. while (!NormalCalls.empty()) { CallInst *CI = NormalCalls.back(); @@ -314,7 +314,7 @@ bool LowerGC::runOnFunction(Function &F) { // Remove the unconditional branch inserted at the end of the CBB. CBB->getInstList().pop_back(); NewBB->getInstList().remove(CI); - + // Create a new invoke instruction. Value *II = new InvokeInst(CI->getCalledValue(), NewBB, Cleanup, std::vector<Value*>(CI->op_begin()+1, |
