Commit Graph

3 Commits

Author SHA1 Message Date
Matthias Braun 8445cbd1ca SplitKit: Fix subreg copy related problems
Fix two problems related to r298025:
- SplitKit would create duplicate VNIs in some cases leading to crashs
  when hoisting copies.
- VirtRegMap could fail expanding copies at the beginning of a basic
  block.

This fixes http://llvm.org/PR32353

llvm-svn: 298448
2017-03-21 21:58:08 +00:00
Matt Arsenault 3dbeefa978 AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel
Currently the default C calling convention functions are treated
the same as compute kernels. Make this explicit so the default
calling convention can be changed to a non-kernel.

Converted with perl -pi -e 's/define void/define amdgpu_kernel void/'
on the relevant test directories (and undoing in one place that actually
wanted a non-kernel).

llvm-svn: 298444
2017-03-21 21:39:51 +00:00
Matthias Braun f0b68d3fbc SplitKit: Correctly implement partial subregister copies
- This fixes a bug where subregister incompatible with the vregs register
  class where used.
- Implement the case where multiple copies are necessary to cover a
  given lanemask.

Differential Revision: https://reviews.llvm.org/D30438

llvm-svn: 298025
2017-03-17 00:41:39 +00:00