[PATCH] D68390: [Mips] Emit proper ABI for _mcount calls

[Mirko Brkusanin via Phabricator via llvm-commits]

mbrkusanin created this revision.
mbrkusanin added reviewers: petarj, mstojanovic, atanasyan, sdardis.
mbrkusanin added a project: LLVM.
Herald added a subscriber: arichardson.

When -pg option is present than a call to _mcount is inserted into every 
function. However since the proper ABI was not followed then the generated
gmon.out did not give proper results. By inserting needed instructions before
every _mcount we can fix this.


https://reviews.llvm.org/D68390

Files:
  lib/Target/Mips/MipsSEISelDAGToDAG.cpp
  lib/Target/Mips/MipsSEISelDAGToDAG.h
  test/CodeGen/Mips/mcount.ll

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