vendor/llvm/llvm-r86025

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 42209b8cbe2d..9ca90c333af9 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -318,6 +318,7 @@ static void SplitEdgeNicely(TerminatorInst *TI, unsigned SuccNum,
     if (Invoke->getSuccessor(1) == Dest)
       return;
   }
+  
 
   // As a hack, never split backedges of loops.  Even though the copy for any
   // PHIs inserted on the backedge would be dead for exits from the loop, we
@@ -852,7 +853,7 @@ bool CodeGenPrepare::OptimizeBlock(BasicBlock &BB) {
 
   // Split all critical edges where the dest block has a PHI.
   TerminatorInst *BBTI = BB.getTerminator();
-  if (BBTI->getNumSuccessors() > 1) {
+  if (BBTI->getNumSuccessors() > 1 && !isa<IndirectBrInst>(BBTI)) {
     for (unsigned i = 0, e = BBTI->getNumSuccessors(); i != e; ++i) {
       BasicBlock *SuccBB = BBTI->getSuccessor(i);
       if (isa<PHINode>(SuccBB->begin()) && isCriticalEdge(BBTI, i, true))