[PATCH] D21885: RegScavenging: Add scavengeRegisterBackwards()

[Matthias Braun via llvm-commits]

MatzeB updated this revision to Diff 63538.
MatzeB added a comment.

Daniel, I reworked test/CodeGen/Mips/emergency-spill-slot-near-fp.ll. Can you take a look if the test looks okay? In it's current form it forces the RegisterScavenger to spill 1 register and I check that it ends up in 0($sp) to make sure it did not end up on the other side of the big "%stackspace" object.


Repository:
  rL LLVM

http://reviews.llvm.org/D21885

Files:
  include/llvm/CodeGen/RegisterScavenging.h
  lib/CodeGen/PrologEpilogInserter.cpp
  lib/CodeGen/RegisterScavenging.cpp
  test/CodeGen/AMDGPU/captured-frame-index.ll
  test/CodeGen/Mips/emergency-spill-slot-near-fp.ll
  test/CodeGen/PowerPC/dyn-alloca-aligned.ll
  test/CodeGen/SystemZ/frame-13.ll
  test/CodeGen/SystemZ/frame-14.ll
  test/CodeGen/SystemZ/frame-15.ll
  test/CodeGen/SystemZ/frame-16.ll
  test/CodeGen/Thumb/large-stack.ll

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