BasicBlock *Succ = Last->getSuccessor(I);
Instruction *First = Succ->getFirstNonPHIOrDbgOrLifetime();
const DILocation *FirstDIL = First->getDebugLoc();
- if (!FirstDIL)
+ if (!FirstDIL || FirstDIL->getDiscriminator())
continue;
// If the first instruction (First) of Succ is at the same file
unsigned Discriminator = FirstDIL->computeNewDiscriminator();
auto *NewScope =
Builder.createLexicalBlockFile(Scope, File, Discriminator);
- auto *NewDIL =
- DILocation::get(Ctx, FirstDIL->getLine(), FirstDIL->getColumn(),
- NewScope, FirstDIL->getInlinedAt());
- DebugLoc newDebugLoc = NewDIL;
// Attach this new debug location to First and every
// instruction following First that shares the same location.
for (BasicBlock::iterator I1(*First), E1 = Succ->end(); I1 != E1;
++I1) {
- if (I1->getDebugLoc().get() != FirstDIL)
- break;
- I1->setDebugLoc(newDebugLoc);
- DEBUG(dbgs() << NewDIL->getFilename() << ":" << NewDIL->getLine()
- << ":" << NewDIL->getColumn() << ":"
- << NewDIL->getDiscriminator() << *I1 << "\n");
+ const DILocation *CurrentDIL = I1->getDebugLoc();
+ if (CurrentDIL && CurrentDIL->getLine() == FirstDIL->getLine() &&
+ CurrentDIL->getFilename() == FirstDIL->getFilename()) {
+ I1->setDebugLoc(DILocation::get(Ctx, CurrentDIL->getLine(),
+ CurrentDIL->getColumn(), NewScope,
+ CurrentDIL->getInlinedAt()));
+ DEBUG(dbgs() << CurrentDIL->getFilename() << ":"
+ << CurrentDIL->getLine() << ":"
+ << CurrentDIL->getColumn() << ":"
+ << CurrentDIL->getDiscriminator() << *I1 << "\n");
+ }
}
DEBUG(dbgs() << "\n");
Changed = true;