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4 Commits

Author SHA1 Message Date
Matt Arsenault 607a756651 AMDGPU: Enable IPRA 
llvm-svn: 319256
 2017-11-28 23:40:12 +00:00
Matt Arsenault 6efd082c01 AMDGPU: Make frame register caller preserved 
Using SplitCSR for the frame register was very broken. Often
the copies in the prolog and epilog were optimized out, in addition
to them being inserted after the true prolog where the FP
was clobbered.

I have a hacky solution which works that continues to use
split CSR, but for now this is simpler and will get to working
programs.

llvm-svn: 313274
 2017-09-14 17:14:57 +00:00
Matt Arsenault d664315ae8 IPRA: Don't assume called function is first call operand 
Fixes not finding the called global for AMDGPU
call pseudoinstructions, which prevented IPRA
from doing much.

llvm-svn: 311637
 2017-08-24 07:55:15 +00:00
Matt Arsenault b94972cb82 IPRA: Don't crash on null getCallPreservedMask 
Kernels aren't callable, so they don't have a call preserved mask.

llvm-svn: 310172
 2017-08-05 07:50:18 +00:00