diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index d2ac9890b62..fd9c7f6f886 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -1243,7 +1243,7 @@ unsigned llvm::removeAllNonTerminatorAndEHPadInstructions(BasicBlock *BB) { return NumDeadInst; } -void llvm::changeToUnreachable(Instruction *I, bool UseLLVMTrap) { +unsigned llvm::changeToUnreachable(Instruction *I, bool UseLLVMTrap) { BasicBlock *BB = I->getParent(); // Loop over all of the successors, removing BB's entry from any PHI // nodes. @@ -1261,12 +1261,15 @@ void llvm::changeToUnreachable(Instruction *I, bool UseLLVMTrap) { new UnreachableInst(I->getContext(), I); // All instructions after this are dead. + unsigned NumInstrsRemoved = 0; BasicBlock::iterator BBI = I->getIterator(), BBE = BB->end(); while (BBI != BBE) { if (!BBI->use_empty()) BBI->replaceAllUsesWith(UndefValue::get(BBI->getType())); BB->getInstList().erase(BBI++); + ++NumInstrsRemoved; } + return NumInstrsRemoved; } /// changeToCall - Convert the specified invoke into a normal call. |
