From 74f2e46eeff9e5ad001259a74c56a1b4d71776e3 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Mon, 22 Apr 2013 14:58:02 +0000
Subject: Clarify that llvm.used can contain aliases.

Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.

llvm-svn: 180019
---
 llvm/lib/Transforms/IPO/StripSymbols.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

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

diff --git a/llvm/lib/Transforms/IPO/StripSymbols.cpp b/llvm/lib/Transforms/IPO/StripSymbols.cpp
index 5f8681ff454..3396f7929e6 100644
--- a/llvm/lib/Transforms/IPO/StripSymbols.cpp
+++ b/llvm/lib/Transforms/IPO/StripSymbols.cpp
@@ -195,10 +195,9 @@ static void findUsedValues(GlobalVariable *LLVMUsed,
                            SmallPtrSet<const GlobalValue*, 8> &UsedValues) {
   if (LLVMUsed == 0) return;
   UsedValues.insert(LLVMUsed);
-  
-  ConstantArray *Inits = dyn_cast<ConstantArray>(LLVMUsed->getInitializer());
-  if (Inits == 0) return;
-  
+
+  ConstantArray *Inits = cast<ConstantArray>(LLVMUsed->getInitializer());
+
   for (unsigned i = 0, e = Inits->getNumOperands(); i != e; ++i)
     if (GlobalValue *GV = 
           dyn_cast<GlobalValue>(Inits->getOperand(i)->stripPointerCasts()))
-- 
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