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Reapply 79977.

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Use MDNodes to encode debug info in llvm IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80406 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-08-28 23:24:31 +00:00
parent e4e4ed3b56
commit e4b275610a
46 changed files with 961 additions and 1935 deletions
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2
lib/Transforms/Utils/CloneFunction.cpp
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@ -238,7 +238,7 @@ void PruningFunctionCloner::CloneBlock(const BasicBlock *BB,
// Do not clone llvm.dbg.region.end. It will be adjusted by the inliner.
if (const DbgFuncStartInst *DFSI = dyn_cast<DbgFuncStartInst>(II)) {
if (DbgFnStart == NULL) {
DISubprogram SP(cast<GlobalVariable>(DFSI->getSubprogram()));
DISubprogram SP(DFSI->getSubprogram());
if (SP.describes(BB->getParent()))
DbgFnStart = DFSI->getSubprogram();
}