diff options
Diffstat (limited to 'lib/Transforms/Utils/Local.cpp')
-rw-r--r-- | lib/Transforms/Utils/Local.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp index 70c77b06d62e..57b4e23f226f 100644 --- a/lib/Transforms/Utils/Local.cpp +++ b/lib/Transforms/Utils/Local.cpp @@ -1173,10 +1173,11 @@ static void changeToCall(InvokeInst *II) { II->eraseFromParent(); } -static bool markAliveBlocks(BasicBlock *BB, +static bool markAliveBlocks(Function &F, SmallPtrSetImpl<BasicBlock*> &Reachable) { SmallVector<BasicBlock*, 128> Worklist; + BasicBlock *BB = F.begin(); Worklist.push_back(BB); Reachable.insert(BB); bool Changed = false; @@ -1247,7 +1248,7 @@ static bool markAliveBlocks(BasicBlock *BB, if (isa<ConstantPointerNull>(Callee) || isa<UndefValue>(Callee)) { changeToUnreachable(II, true); Changed = true; - } else if (II->doesNotThrow() && canSimplifyInvokeNoUnwind(II)) { + } else if (II->doesNotThrow() && canSimplifyInvokeNoUnwind(&F)) { if (II->use_empty() && II->onlyReadsMemory()) { // jump to the normal destination branch. BranchInst::Create(II->getNormalDest(), II); @@ -1272,7 +1273,7 @@ static bool markAliveBlocks(BasicBlock *BB, /// otherwise. bool llvm::removeUnreachableBlocks(Function &F) { SmallPtrSet<BasicBlock*, 128> Reachable; - bool Changed = markAliveBlocks(F.begin(), Reachable); + bool Changed = markAliveBlocks(F, Reachable); // If there are unreachable blocks in the CFG... if (Reachable.size() == F.size()) |