From 98e541457bbe04c22364ff82ef7aea34480012d5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 16 Oct 2004 18:21:33 +0000
Subject: Add support for unreachable

llvm-svn: 17056
---
 llvm/lib/Analysis/PostDominators.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'llvm/lib/Analysis/PostDominators.cpp')

diff --git a/llvm/lib/Analysis/PostDominators.cpp b/llvm/lib/Analysis/PostDominators.cpp
index 08822949c62..4f9d1d16069 100644
--- a/llvm/lib/Analysis/PostDominators.cpp
+++ b/llvm/lib/Analysis/PostDominators.cpp
@@ -40,8 +40,7 @@ bool PostDominatorSet::runOnFunction(Function &F) {
   for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
     Doms[I];  // Initialize to empty
 
-    if (isa<ReturnInst>(I->getTerminator()) ||
-        isa<UnwindInst>(I->getTerminator()))
+    if (succ_begin(I) == succ_end(I))
       Roots.push_back(I);
   }
 
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