DI: Use a `DenseMap` instead of named metadata, NFC
authorDuncan P. N. Exon Smith <dexonsmith@apple.com>
Wed, 15 Oct 2014 16:11:41 +0000 (16:11 +0000)
committerDuncan P. N. Exon Smith <dexonsmith@apple.com>
Wed, 15 Oct 2014 16:11:41 +0000 (16:11 +0000)
commit5c2d60d357b16c7ee1fef47c40b23d198616ca14
tree43d0f953b60abb64a598bc2b6c7485d2bb3c329f
parentb510f8d08c6a1ba3ec1df4e9cfac9567c43e5bb6
DI: Use a `DenseMap` instead of named metadata, NFC

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
include/llvm/IR/DIBuilder.h
include/llvm/IR/DebugInfo.h
lib/IR/DIBuilder.cpp
lib/IR/DebugInfo.cpp