//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "loweratomic"
#include "llvm/Transforms/Scalar.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/Pass.h"
using namespace llvm;
+#define DEBUG_TYPE "loweratomic"
+
static bool LowerAtomicCmpXchgInst(AtomicCmpXchgInst *CXI) {
IRBuilder<> Builder(CXI->getParent(), CXI);
Value *Ptr = CXI->getPointerOperand();
Value *Val = RMWI->getValOperand();
LoadInst *Orig = Builder.CreateLoad(Ptr);
- Value *Res = NULL;
+ Value *Res = nullptr;
switch (RMWI->getOperation()) {
default: llvm_unreachable("Unexpected RMW operation");
LowerAtomic() : BasicBlockPass(ID) {
initializeLowerAtomicPass(*PassRegistry::getPassRegistry());
}
- bool runOnBasicBlock(BasicBlock &BB) {
+ bool runOnBasicBlock(BasicBlock &BB) override {
+ if (skipOptnoneFunction(BB))
+ return false;
bool Changed = false;
for (BasicBlock::iterator DI = BB.begin(), DE = BB.end(); DI != DE; ) {
Instruction *Inst = DI++;