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2 Commits

Author SHA1 Message Date
Mehdi Amini 117296c0a0 Use StringRef in Pass/PassManager APIs (NFC) 
llvm-svn: 283004
 2016-10-01 02:56:57 +00:00
Matt Arsenault 78fc9daf8d AMDGPU: Split SILowerControlFlow into two pieces 
Do most of the lowering in a pre-RA pass. Keep the skip jump
insertion late, plus a few other things that require more
work to move out.

One concern I have is now there may be COPY instructions
which do not have the necessary implicit exec uses
if they will be lowered to v_mov_b32.

This has a positive effect on SGPR usage in shader-db.

llvm-svn: 279464
 2016-08-22 19:33:16 +00:00