The landingpad instruction isn't dead simply because it's value isn't used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138102 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index a5adb5e7cefe0b50a2339add9f6bf488123278eb..ba214d1a332e0d2126374a9c39ceb028d37c7540 100644 (file)
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -57,6 +57,7 @@ bool ADCE::runOnFunction(Function& F) {
   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 @@ bool ADCE::runOnFunction(Function& F) {
   // 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))