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Author SHA1 Message Date
Eric Christopher
07944353fc Temporarily revert "ArgumentPromotion should copy all metadata to new Function" and the dependent patch "Refine ArgPromotion metadata handling" as they're causing segfaults in argument promotion. 
This reverts commits r354032 and r353537.

llvm-svn: 355060
 2019-02-28 01:11:12 +00:00
Teresa Johnson
3ce8112dad ArgumentPromotion should copy all metadata to new Function 
Summary:
ArgumentPromotion had code to specifically move the dbg metadata over to
the new function, but other metadata such as the function_entry_count
!prof metadata was not. Replace code that moved dbg metadata with a call
to copyMetadata. The old metadata is automatically removed when the old
Function is removed.

Reviewers: davidxl

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57846

llvm-svn: 353537
 2019-02-08 17:08:27 +00:00
Reid Kleckner
3a1150352d [ArgPromotion] Don't drop !prof metadata on promoted calls 
Noticed by inspection while doing attribute work. DAE, InstCombineCalls,
and ArgPromotion have a fair amount of duplicated code for hacking on
call sites, and you can find bugs by comparing them.

Add a test case for this.

llvm-svn: 300229
 2017-04-13 18:10:30 +00:00