vendor/llvm/llvm-trunk-r375505vendor/llvm

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/Transforms/Scalar/SpeculateAroundPHIs.cpp b/lib/Transforms/Scalar/SpeculateAroundPHIs.cpp
index c13fb3e04516..e6db11f47ead 100644
--- a/lib/Transforms/Scalar/SpeculateAroundPHIs.cpp
+++ b/lib/Transforms/Scalar/SpeculateAroundPHIs.cpp
@@ -777,8 +777,10 @@ static bool tryToSpeculatePHIs(SmallVectorImpl<PHINode *> &PNs,
     // speculation if the predecessor is an invoke. This doesn't seem
     // fundamental and we should probably be splitting critical edges
     // differently.
-    if (isa<IndirectBrInst>(PredBB->getTerminator()) ||
-        isa<InvokeInst>(PredBB->getTerminator())) {
+    const auto *TermInst = PredBB->getTerminator();
+    if (isa<IndirectBrInst>(TermInst) ||
+        isa<InvokeInst>(TermInst) ||
+        isa<CallBrInst>(TermInst)) {
       LLVM_DEBUG(dbgs() << "  Invalid: predecessor terminator: "
                         << PredBB->getName() << "\n");
       return false;