diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/SCCP.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp index 561cdb1fbb..b1c923c2bd 100644 --- a/lib/Transforms/Scalar/SCCP.cpp +++ b/lib/Transforms/Scalar/SCCP.cpp @@ -45,7 +45,7 @@ using namespace llvm; STATISTIC(NumInstRemoved, "Number of instructions removed"); STATISTIC(NumDeadBlocks , "Number of basic blocks unreachable"); -STATISTIC(IPNumInstRemoved, "Number ofinstructions removed by IPSCCP"); +STATISTIC(IPNumInstRemoved, "Number of instructions removed by IPSCCP"); STATISTIC(IPNumDeadBlocks , "Number of basic blocks unreachable by IPSCCP"); STATISTIC(IPNumArgsElimed ,"Number of arguments constant propagated by IPSCCP"); STATISTIC(IPNumGlobalConst, "Number of globals found to be constant by IPSCCP"); @@ -1637,6 +1637,11 @@ bool IPSCCP::runOnModule(Module &M) { // If there are any PHI nodes in this successor, drop entries for BB now. BasicBlock *DeadBB = BlocksToErase[i]; while (!DeadBB->use_empty()) { + if (BasicBlock *PredBB = dyn_cast<BasicBlock>(DeadBB->use_back())) { + PredBB->setUnwindDest(NULL); + continue; + } + Instruction *I = cast<Instruction>(DeadBB->use_back()); bool Folded = ConstantFoldTerminator(I->getParent()); if (!Folded) { |