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IR: Move MDStrings to a BumpPtrAllocator

Authored by dexonsmith on Apr 5 2016, 11:41 PM.

Description

IR: Move MDStrings to a BumpPtrAllocator

We never delete any MDString until the context is destroyed. Might as
well throw them onto a BumpPtrAllocator.

llvm-svn: 265520

Details

Committed
dexonsmithApr 5 2016, 11:41 PM
Parents
rGbdfc984679b8: IRMover: Steal arguments when moving functions, NFC
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