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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-04-13 16:11:14 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-04-13 16:11:14 +0000 |
| commit | 9cbee63b1a475782dbefe767f4935fad9e5ff20d (patch) | |
| tree | 10701649f1a6fc0266adab4a8700abc3cd024022 /lib/Transforms/IPO | |
| parent | 8848680ce0ab416cb646d0a03aa6f4f6f25e7623 (diff) | |
| download | external_llvm-9cbee63b1a475782dbefe767f4935fad9e5ff20d.zip external_llvm-9cbee63b1a475782dbefe767f4935fad9e5ff20d.tar.gz external_llvm-9cbee63b1a475782dbefe767f4935fad9e5ff20d.tar.bz2 | |
GlobalDCE: Fix an oversight in my last commit that could lead to crashes.
There is a Constant with non-constant operands: blockaddress.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179460 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/IPO')
| -rw-r--r-- | lib/Transforms/IPO/GlobalDCE.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp index 76d1287..201f320 100644 --- a/lib/Transforms/IPO/GlobalDCE.cpp +++ b/lib/Transforms/IPO/GlobalDCE.cpp @@ -197,8 +197,8 @@ void GlobalDCE::MarkUsedGlobalsAsNeeded(Constant *C) { // use to the list of needed globals. for (User::op_iterator I = C->op_begin(), E = C->op_end(); I != E; ++I) { // If we've already processed this constant there's no need to do it again. - Constant *Op = cast<Constant>(*I); - if (SeenConstants.insert(Op)) + Constant *Op = dyn_cast<Constant>(*I); + if (Op && SeenConstants.insert(Op)) MarkUsedGlobalsAsNeeded(Op); } } |