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I think there was some confusion about what I meant. :-) Replacing the comment.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137743 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-08-16 20:41:17 +00:00
parent 578071a087
commit 23b49ba6d5
1 changed files with 4 additions and 1 deletions
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5
lib/Transforms/Utils/SimplifyCFG.cpp
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@ -2266,7 +2266,10 @@ bool SimplifyCFGOpt::SimplifyUnreachable(UnreachableInst *UI) {
!isa<LandingPadInst>(BBI)) {
break;
}
// FIXME: Handling of LandingPadInst (landingpad) is suspicious.
// Note that deleting LandingPad's here is in fact okay, although it
// involves a bit of subtle reasoning. If this inst is a LandingPad,
// all the predecessors of this block will be the unwind edges of Invokes,
// and we can therefore guarantee this block will be erased.
}
// Delete this instruction (any uses are guaranteed to be dead)