[llvm-commits] [llvm] r137642 - /llvm/trunk/lib/Transforms/Utils/Local.cpp

[Bill Wendling]

Author: void
Date: Mon Aug 15 15:10:51 2011
New Revision: 137642

URL: http://llvm.org/viewvc/llvm-project?rev=137642&view=rev
Log:
The "landingpad" instruction will never be "trivially" dead.

Modified:
    llvm/trunk/lib/Transforms/Utils/Local.cpp

Modified: llvm/trunk/lib/Transforms/Utils/Local.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/Local.cpp?rev=137642&r1=137641&r2=137642&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/Local.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/Local.cpp Mon Aug 15 15:10:51 2011
@@ -226,6 +226,10 @@
 bool llvm::isInstructionTriviallyDead(Instruction *I) {
   if (!I->use_empty() || isa<TerminatorInst>(I)) return false;
 
+  // We don't want the landingpad instruction removed by anything this general.
+  if (isa<LandingPadInst>(I))
+    return false;
+
   // We don't want debug info removed by anything this general, unless
   // debug info is empty.
   if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I)) {