[llvm-commits] [llvm] r137629 - /llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp

[Bill Wendling]

Author: void
Date: Mon Aug 15 13:23:40 2011
New Revision: 137629

URL: http://llvm.org/viewvc/llvm-project?rev=137629&view=rev
Log:
Don't try to sink the landingpad instruction. It's immobile.

Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp?rev=137629&r1=137628&r2=137629&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp Mon Aug 15 13:23:40 2011
@@ -1417,8 +1417,9 @@
 static bool TryToSinkInstruction(Instruction *I, BasicBlock *DestBlock) {
   assert(I->hasOneUse() && "Invariants didn't hold!");
 
-  // Cannot move control-flow-involving, volatile loads, vaarg, etc.
-  if (isa<PHINode>(I) || I->mayHaveSideEffects() || isa<TerminatorInst>(I))
+  // Cannot move control-flow-involving, volatile loads, vaarg, landingpad, etc.
+  if (isa<PHINode>(I) || isa<LandingPadInst>(I) || I->mayHaveSideEffects() ||
+      isa<TerminatorInst>(I))
     return false;
 
   // Do not sink alloca instructions out of the entry block.