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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 | adc1727c39828bb19a29d63ccd1a32c7b8a29753 (patch) | |
| tree | 674466ffe2574b7a58443e275d34dcf81675e62f /llvm/lib/Transforms | |
| parent | b9555e8e4a2b01b70ebcb6a7c4888ce783d7400a (diff) | |
| download | bcm5719-llvm-adc1727c39828bb19a29d63ccd1a32c7b8a29753.tar.gz bcm5719-llvm-adc1727c39828bb19a29d63ccd1a32c7b8a29753.zip | |
GlobalDCE: Fix an oversight in my last commit that could lead to crashes.
There is a Constant with non-constant operands: blockaddress.
llvm-svn: 179460
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/GlobalDCE.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/GlobalDCE.cpp b/llvm/lib/Transforms/IPO/GlobalDCE.cpp index 76d1287fb74..201f320c43b 100644 --- a/llvm/lib/Transforms/IPO/GlobalDCE.cpp +++ b/llvm/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); } } |
