[PATCH] D26114: [AMDGPU] Allow hoisting of comparisons out of a loop and eliminate condition copies

[Stanislav Mekhanoshin via llvm-commits]

rampitec updated this revision to Diff 77108.
rampitec added a comment.

Only virtual register use can be forward propagated. Previous version in some cases was trying to replace phys reg vcc uses.
Rebased to master, updated branch-relaxation.ll test.


Repository:
  rL LLVM

https://reviews.llvm.org/D26114

Files:
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/SILowerI1Copies.cpp
  test/CodeGen/AMDGPU/branch-relaxation.ll
  test/CodeGen/AMDGPU/host-cond.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D26114.77108.patch
Type: text/x-patch
Size: 4848 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20161107/17730336/attachment.bin>