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authorAnders Carlsson <andersca@mac.com>2011-03-20 20:21:33 +0000
committerAnders Carlsson <andersca@mac.com>2011-03-20 20:21:33 +0000
commit4f735ca1855bb66974f3b1c4ee493534d5037eda (patch)
tree485e13dbf33815d2fc14227e62b1be63494b0899 /lib/Transforms
parent372ec6aa915534f3b11c252dbc9e6c63814bcab3 (diff)
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Don't try to eliminate invokes to __cxa_atexit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127976 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
-rw-r--r--lib/Transforms/IPO/GlobalOpt.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 1a8b944..2b9b7f2 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -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)