From 336fd90f4d11d6e3f79b36be0652308dfba530d2 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Sun, 20 Mar 2011 20:21:33 +0000
Subject: Don't try to eliminate invokes to __cxa_atexit.

llvm-svn: 127976
---
 llvm/lib/Transforms/IPO/GlobalOpt.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'llvm/lib/Transforms/IPO/GlobalOpt.cpp')

diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
index 1a8b944363f..2b9b7f24302 100644
--- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/llvm/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)
-- 
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