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-rw-r--r--llvm/lib/Analysis/ValueTracking.cpp9
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index ab021aece2f..c98140e2e93 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -566,11 +566,10 @@ bool llvm::isValidAssumeForContext(const Instruction *Inv,
if (Inv == CxtI)
return false;
- // The context comes first, but they're both in the same block. Make sure
- // there is nothing in between that might interrupt the control flow.
- for (BasicBlock::const_iterator I =
- std::next(BasicBlock::const_iterator(CxtI)), IE(Inv);
- I != IE; ++I)
+ // The context comes first, but they're both in the same block.
+ // Make sure there is nothing in between that might interrupt
+ // the control flow, not even CxtI itself.
+ for (BasicBlock::const_iterator I(CxtI), IE(Inv); I != IE; ++I)
if (!isGuaranteedToTransferExecutionToSuccessor(&*I))
return false;
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