diff options
| -rw-r--r-- | lib/Transforms/IPO/PartialInlining.cpp | 3 | ||||
| -rw-r--r-- | test/Transforms/Inline/PR4909.ll | 15 |
2 files changed, 17 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/PartialInlining.cpp b/lib/Transforms/IPO/PartialInlining.cpp index 73ec9c1..8f858d3 100644 --- a/lib/Transforms/IPO/PartialInlining.cpp +++ b/lib/Transforms/IPO/PartialInlining.cpp @@ -48,7 +48,8 @@ ModulePass* llvm::createPartialInliningPass() { return new PartialInliner(); } Function* PartialInliner::unswitchFunction(Function* F) { // First, verify that this function is an unswitching candidate... BasicBlock* entryBlock = F->begin(); - if (!isa<BranchInst>(entryBlock->getTerminator())) + BranchInst *BR = dyn_cast<BranchInst>(entryBlock->getTerminator()); + if (!BR || BR->isUnconditional()) return 0; BasicBlock* returnBlock = 0; diff --git a/test/Transforms/Inline/PR4909.ll b/test/Transforms/Inline/PR4909.ll new file mode 100644 index 0000000..48b2526 --- /dev/null +++ b/test/Transforms/Inline/PR4909.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -partial-inliner -disable-output + +define i32 @f() { +entry: + br label %return + +return: ; preds = %entry + ret i32 undef +} + +define i32 @g() { +entry: + %0 = call i32 @f() + ret i32 %0 +} |