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Diffstat (limited to 'lib/Transforms/Utils/UnifyFunctionExitNodes.cpp')
-rw-r--r--lib/Transforms/Utils/UnifyFunctionExitNodes.cpp20
1 files changed, 0 insertions, 20 deletions
diff --git a/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp b/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
index 46d4adaaa154..b1cad06dffe9 100644
--- a/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
+++ b/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
@@ -50,33 +50,13 @@ bool UnifyFunctionExitNodes::runOnFunction(Function &F) {
// return.
//
std::vector<BasicBlock*> ReturningBlocks;
- std::vector<BasicBlock*> UnwindingBlocks;
std::vector<BasicBlock*> UnreachableBlocks;
for(Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
if (isa<ReturnInst>(I->getTerminator()))
ReturningBlocks.push_back(I);
- else if (isa<UnwindInst>(I->getTerminator()))
- UnwindingBlocks.push_back(I);
else if (isa<UnreachableInst>(I->getTerminator()))
UnreachableBlocks.push_back(I);
- // Handle unwinding blocks first.
- if (UnwindingBlocks.empty()) {
- UnwindBlock = 0;
- } else if (UnwindingBlocks.size() == 1) {
- UnwindBlock = UnwindingBlocks.front();
- } else {
- UnwindBlock = BasicBlock::Create(F.getContext(), "UnifiedUnwindBlock", &F);
- new UnwindInst(F.getContext(), UnwindBlock);
-
- for (std::vector<BasicBlock*>::iterator I = UnwindingBlocks.begin(),
- E = UnwindingBlocks.end(); I != E; ++I) {
- BasicBlock *BB = *I;
- BB->getInstList().pop_back(); // Remove the unwind insn
- BranchInst::Create(UnwindBlock, BB);
- }
- }
-
// Then unreachable blocks.
if (UnreachableBlocks.empty()) {
UnreachableBlock = 0;