summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolutionExpander.cpp')
-rw-r--r--llvm/lib/Analysis/ScalarEvolutionExpander.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
index f2ce0f4aa86..7f76f057216 100644
--- a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1169,8 +1169,11 @@ SCEVExpander::getAddRecExprPHILiterally(const SCEVAddRecExpr *Normalized,
if (!IsMatchingSCEV && !TryNonMatchingSCEV)
continue;
+ // TODO: this possibly can be reworked to avoid this cast at all.
Instruction *TempIncV =
- cast<Instruction>(PN.getIncomingValueForBlock(LatchBlock));
+ dyn_cast<Instruction>(PN.getIncomingValueForBlock(LatchBlock));
+ if (!TempIncV)
+ continue;
// Check whether we can reuse this PHI node.
if (LSRMode) {
OpenPOWER on IntegriCloud