aboutsummaryrefslogtreecommitdiff
path: root/lib/Transforms/Scalar/JumpThreading.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Transforms/Scalar/JumpThreading.cpp')
-rw-r--r--lib/Transforms/Scalar/JumpThreading.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index 0352c6e74e..1a64b2cbad 100644
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -870,9 +870,14 @@ bool JumpThreading::SimplifyPartiallyRedundantLoad(LoadInst *LI) {
// Add all the unavailable predecessors to the PredsToSplit list.
for (pred_iterator PI = pred_begin(LoadBB), PE = pred_end(LoadBB);
- PI != PE; ++PI)
+ PI != PE; ++PI) {
+ // If the predecessor is an indirect goto, we can't split the edge.
+ if (isa<IndirectBrInst>((*PI)->getTerminator()))
+ return false;
+
if (!AvailablePredSet.count(*PI))
PredsToSplit.push_back(*PI);
+ }
// Split them out to their own block.
UnavailablePred =