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Don't try to eliminate invokes to __cxa_atexit.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127976 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anders Carlsson 2011-03-20 20:21:33 +00:00
parent 372ec6aa91
commit 4f735ca185
1 changed files with 6 additions and 0 deletions
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6
lib/Transforms/IPO/GlobalOpt.cpp
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@ -2780,6 +2780,12 @@ bool GlobalOpt::OptimizeEmptyGlobalCXXDtors(Function *CXAAtExitFn) {
if (!CS)
continue;
// We're only interested in calls. Theoretically, we could handle invoke
// instructions as well, but neither llvm-gcc nor clang generate invokes
// to __cxa_atexit.
if (!CS.isCall())
continue;
Function *DtorFn =
dyn_cast<Function>(CS.getArgument(0)->stripPointerCasts());
if (!DtorFn)