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DI: Use a DenseMap instead of named metadata, NFC

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Remove a strange round-trip through named metadata to assign preserved
local variables to their subprograms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219798 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-10-15 16:11:41 +00:00
parent b510f8d08c
commit 5c2d60d357
4 changed files with 8 additions and 57 deletions
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3
include/llvm/IR/DIBuilder.h
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@ -73,6 +73,9 @@ namespace llvm {
SmallVector<Value *, 4> AllGVs;
SmallVector<TrackingVH<MDNode>, 4> AllImportedModules;
/// Each subprogram's preserved local variables.
DenseMap<MDNode *, std::vector<TrackingVH<MDNode>>> PreservedVariables;
// Private use for multiple types of template parameters.
DITemplateValueParameter
createTemplateValueParameter(unsigned Tag, DIDescriptor Scope,