[llvm-commits] [llvm] r138102 - /llvm/trunk/lib/Transforms/Scalar/ADCE.cpp

Bill Wendling isanbard at gmail.com
Fri Aug 19 14:52:06 PDT 2011


Author: void
Date: Fri Aug 19 16:52:06 2011
New Revision: 138102

URL: http://llvm.org/viewvc/llvm-project?rev=138102&view=rev
Log:
The landingpad instruction isn't dead simply because it's value isn't used.

Modified:
    llvm/trunk/lib/Transforms/Scalar/ADCE.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/ADCE.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/ADCE.cpp?rev=138102&r1=138101&r2=138102&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/ADCE.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/ADCE.cpp Fri Aug 19 16:52:06 2011
@@ -57,6 +57,7 @@
   for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
     if (isa<TerminatorInst>(I.getInstructionIterator()) ||
         isa<DbgInfoIntrinsic>(I.getInstructionIterator()) ||
+        isa<LandingPadInst>(I.getInstructionIterator()) ||
         I->mayHaveSideEffects()) {
       alive.insert(I.getInstructionIterator());
       worklist.push_back(I.getInstructionIterator());
@@ -65,7 +66,6 @@
   // Propagate liveness backwards to operands.
   while (!worklist.empty()) {
     Instruction* curr = worklist.pop_back_val();
-    
     for (Instruction::op_iterator OI = curr->op_begin(), OE = curr->op_end();
          OI != OE; ++OI)
       if (Instruction* Inst = dyn_cast<Instruction>(OI))





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