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| author | Chris Lattner <sabre@nondot.org> | 2005-03-15 22:10:04 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-03-15 22:10:04 +0000 |
| commit | 49e88e80c78eff3d0bed3874448d4f3049c9be16 (patch) | |
| tree | 4cb1816891c2523dc3876a90c161915a88f6491a /lib/Analysis/DataStructure/BottomUpClosure.cpp | |
| parent | 4d5af8e894e97eeb6268120f4b7ab464c8a9aeee (diff) | |
fix crashes when we only have a prototype for main.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20627 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/DataStructure/BottomUpClosure.cpp')
| -rw-r--r-- | lib/Analysis/DataStructure/BottomUpClosure.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp index 6c26602889..91cfc7c14e 100644 --- a/lib/Analysis/DataStructure/BottomUpClosure.cpp +++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp @@ -85,7 +85,7 @@ bool BUDataStructures::runOnModule(Module &M) { // Merge the globals variables (not the calls) from the globals graph back // into the main function's graph so that the main function contains all of // the information about global pools and GV usage in the program. - if (MainFunc) { + if (MainFunc && !MainFunc->isExternal()) { DSGraph &MainGraph = getOrCreateGraph(MainFunc); const DSGraph &GG = *MainGraph.getGlobalsGraph(); ReachabilityCloner RC(MainGraph, GG, |