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The lower invoke pass needs to have unreachable code elimination run after it

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because it could create such things. This fixes a MingW buildbot test failure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110279 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2010-08-04 23:36:02 +00:00
parent f66514ad3a
commit af33b7b4a7
2 changed files with 43 additions and 2 deletions
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6
lib/CodeGen/LLVMTargetMachine.cpp
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@ -288,13 +288,15 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
// pad is shared by multiple invokes and is also a target of a normal
// edge from elsewhere.
PM.add(createSjLjEHPass(getTargetLowering()));
PM.add(createDwarfEHPass(this, OptLevel==CodeGenOpt::None));
break;
// FALLTHROUGH
case ExceptionHandling::Dwarf:
PM.add(createDwarfEHPass(this, OptLevel==CodeGenOpt::None));
break;
case ExceptionHandling::None:
PM.add(createLowerInvokePass(getTargetLowering()));
// The lower invoke pass may create unreachable code. Remove it.
PM.add(createUnreachableBlockEliminationPass());
break;
}