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-rw-r--r--llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp b/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp
index 6b749238d2b..3519b000a33 100644
--- a/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp
+++ b/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp
@@ -183,6 +183,9 @@ static SmallVector<BasicBlock *, 2> getTwoPredecessors(BasicBlock *BB) {
}
static bool canSplitCallSite(CallSite CS, TargetTransformInfo &TTI) {
+ if (CS.isConvergent() || CS.cannotDuplicate())
+ return false;
+
// FIXME: As of now we handle only CallInst. InvokeInst could be handled
// without too much effort.
Instruction *Instr = CS.getInstruction();
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