Fix PR4748: don't fold gep(bitcast(x)) into bitcast(gep) when x

[oota-llvm.git] / lib / Transforms / Utils / BreakCriticalEdges.cpp

diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index c4fd1eae43cd978a54c85df5f685cf3eb8208f4f..632aa2b723b953f8d464b23c3e5b3e0333a78261 100644 (file)
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -26,6 +26,7 @@
 #include "llvm/Type.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 using namespace llvm;
@@ -128,8 +129,8 @@ bool llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P,
   BasicBlock *DestBB = TI->getSuccessor(SuccNum);
 
   // Create a new basic block, linking it into the CFG.
-  BasicBlock *NewBB = BasicBlock::Create(TIBB->getName() + "." +
-                                         DestBB->getName() + "_crit_edge");
+  BasicBlock *NewBB = BasicBlock::Create(TI->getContext(),
+                      TIBB->getName() + "." + DestBB->getName() + "_crit_edge");
   // Create our unconditional branch...
   BranchInst::Create(DestBB, NewBB);
 
@@ -222,8 +223,8 @@ bool llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P,
     // If NewBBDominatesDestBB hasn't been computed yet, do so with DF.
     if (!OtherPreds.empty()) {
       // FIXME: IMPLEMENT THIS!
-      assert(0 && "Requiring domfrontiers but not idom/domtree/domset."
-             " not implemented yet!");
+      llvm_unreachable("Requiring domfrontiers but not idom/domtree/domset."
+                       " not implemented yet!");
     }
     
     // Since the new block is dominated by its only predecessor TIBB,