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Do not use named md nodes to track variables that are completely optimized. This does not scale while doing LTO with debug info. New approach is to include list of variables in the subprogram info directly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138145 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-08-19 23:28:12 +00:00
parent 0780b6303b
commit 93d39be530
7 changed files with 100 additions and 55 deletions
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6
include/llvm/Analysis/DebugInfo.h
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@@ -558,6 +558,8 @@ namespace llvm {
DISubprogram getFunctionDeclaration() const {
return getFieldAs<DISubprogram>(18);
}
MDNode *getVariablesNodes() const;
DIArray getVariables() const;
};
/// DIGlobalVariable - This is a wrapper for a global variable.
@@ -736,11 +738,11 @@ namespace llvm {
/// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
/// to hold function specific information.
NamedMDNode *getOrInsertFnSpecificMDNode(Module &M, StringRef Name);
NamedMDNode *getOrInsertFnSpecificMDNode(Module &M, DISubprogram SP);
/// getFnSpecificMDNode - Return a NameMDNode, if available, that is
/// suitable to hold function specific information.
NamedMDNode *getFnSpecificMDNode(const Module &M, StringRef Name);
NamedMDNode *getFnSpecificMDNode(const Module &M, DISubprogram SP);
/// createInlinedVariable - Create a new inlined variable based on current
/// variable.