diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/AddDiscriminators.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/AddDiscriminators.cpp | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Utils/AddDiscriminators.cpp b/llvm/lib/Transforms/Utils/AddDiscriminators.cpp index e3ef4236222..1e0fd5588ca 100644 --- a/llvm/lib/Transforms/Utils/AddDiscriminators.cpp +++ b/llvm/lib/Transforms/Utils/AddDiscriminators.cpp @@ -209,10 +209,18 @@ static bool addDiscriminators(Function &F) { // Only the lowest 7 bits are used to represent a discriminator to fit // it in 1 byte ULEB128 representation. unsigned Discriminator = R.second ? ++LDM[L] : LDM[L]; - I.setDebugLoc(DIL->setBaseDiscriminator(Discriminator)); - LLVM_DEBUG(dbgs() << DIL->getFilename() << ":" << DIL->getLine() << ":" - << DIL->getColumn() << ":" << Discriminator << " " << I - << "\n"); + auto NewDIL = DIL->setBaseDiscriminator(Discriminator); + if (!NewDIL) { + LLVM_DEBUG(dbgs() << "Could not encode discriminator: " + << DIL->getFilename() << ":" << DIL->getLine() << ":" + << DIL->getColumn() << ":" << Discriminator << " " + << I << "\n"); + } else { + I.setDebugLoc(NewDIL.getValue()); + LLVM_DEBUG(dbgs() << DIL->getFilename() << ":" << DIL->getLine() << ":" + << DIL->getColumn() << ":" << Discriminator << " " << I + << "\n"); + } Changed = true; } } @@ -239,8 +247,17 @@ static bool addDiscriminators(Function &F) { std::make_pair(CurrentDIL->getFilename(), CurrentDIL->getLine()); if (!CallLocations.insert(L).second) { unsigned Discriminator = ++LDM[L]; - Current->setDebugLoc(CurrentDIL->setBaseDiscriminator(Discriminator)); - Changed = true; + auto NewDIL = CurrentDIL->setBaseDiscriminator(Discriminator); + if (!NewDIL) { + LLVM_DEBUG(dbgs() + << "Could not encode discriminator: " + << CurrentDIL->getFilename() << ":" + << CurrentDIL->getLine() << ":" << CurrentDIL->getColumn() + << ":" << Discriminator << " " << I << "\n"); + } else { + Current->setDebugLoc(NewDIL.getValue()); + Changed = true; + } } } } |
