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authorVictor Hernandez <vhernandez@apple.com>2010-02-06 01:31:55 +0000
committerVictor Hernandez <vhernandez@apple.com>2010-02-06 01:31:55 +0000
commitc8d7b85ba133f6e590d1c3ac78d47c88914aedea (patch)
tree7b0eb76b843e4ed14156883b3593bfe16652b5bd /lib/Linker
parent2b3365ca1dd53b078714ec99b5b2ea6b67b23c9c (diff)
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Linker should not remap null operands of metadata
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95468 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Linker')
-rw-r--r--lib/Linker/LinkModules.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 279c4bec35..7f441b0a47 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -395,8 +395,12 @@ static Value *RemapOperand(const Value *In,
} else if (const MDNode *MD = dyn_cast<MDNode>(In)) {
if (MD->isFunctionLocal()) {
SmallVector<Value*, 4> Elts;
- for (unsigned i = 0, e = MD->getNumOperands(); i != e; ++i)
- Elts.push_back(RemapOperand(MD->getOperand(i), ValueMap));
+ for (unsigned i = 0, e = MD->getNumOperands(); i != e; ++i) {
+ if (MD->getOperand(i))
+ Elts.push_back(RemapOperand(MD->getOperand(i), ValueMap));
+ else
+ Elts.push_back(NULL);
+ }
Result = MDNode::get(In->getContext(), Elts.data(), MD->getNumOperands());
} else {
Result = const_cast<Value*>(In);