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| author | Victor Hernandez <vhernandez@apple.com> | 2010-01-27 00:30:42 +0000 |
|---|---|---|
| committer | Victor Hernandez <vhernandez@apple.com> | 2010-01-27 00:30:42 +0000 |
| commit | 2c9ad13b14de9fcc98f868d301950f0f386f2545 (patch) | |
| tree | 95e27efe0e69babb293d8c352ae17dac7bd3fe3f /lib/Linker | |
| parent | d3b31a73e8b58e837510fd429f0f4cb2b8c1a0c2 (diff) | |
| download | external_llvm-2c9ad13b14de9fcc98f868d301950f0f386f2545.zip external_llvm-2c9ad13b14de9fcc98f868d301950f0f386f2545.tar.gz external_llvm-2c9ad13b14de9fcc98f868d301950f0f386f2545.tar.bz2 | |
Linker needs to do deep-copy of function-local metadata to update references to function arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94632 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Linker')
| -rw-r--r-- | lib/Linker/LinkModules.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp index e2cd47a..ac11450 100644 --- a/lib/Linker/LinkModules.cpp +++ b/lib/Linker/LinkModules.cpp @@ -392,7 +392,19 @@ static Value *RemapOperand(const Value *In, assert(!isa<GlobalValue>(CPV) && "Unmapped global?"); llvm_unreachable("Unknown type of derived type constant value!"); } - } else if (isa<MDNode>(In) || isa<MDString>(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) { + Value *Op = MD->getOperand(i); + // LinkFunctionBody() already handled non-argument values. + Elts.push_back(isa<Argument>(Op) ? RemapOperand(Op, ValueMap) : Op); + } + Result = MDNode::get(In->getContext(), Elts.data(), MD->getNumOperands()); + } else { + Result = const_cast<Value*>(In); + } + } else if (isa<MDString>(In)) { Result = const_cast<Value*>(In); } else if (isa<InlineAsm>(In)) { Result = const_cast<Value*>(In); |