diff options
| -rw-r--r-- | lib/Transforms/Scalar/DeadStoreElimination.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp index 36aaa63449..40b5671e4c 100644 --- a/lib/Transforms/Scalar/DeadStoreElimination.cpp +++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp @@ -66,7 +66,10 @@ bool DSE::runOnBasicBlock(BasicBlock &BB) { // If this block ends in a return, unwind, and eventually tailcall/barrier, // then all allocas are dead at its end. if (BB.getTerminator()->getNumSuccessors() == 0) { - + BasicBlock *Entry = BB.getParent()->begin(); + for (BasicBlock::iterator I = Entry->begin(), E = Entry->end(); I != E; ++I) + if (AllocaInst *AI = dyn_cast<AllocaInst>(I)) + KillLocs.add(AI, ~0); } // PotentiallyDeadInsts - Deleting dead stores from the program can make other |