diff options
| author | Michel Danzer <michel.daenzer@amd.com> | 2013-03-08 10:58:01 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-04-03 12:04:28 -0700 |
| commit | a4de1e1811c428fd5df45fccf19fe5702f77fc0f (patch) | |
| tree | 0be93b8d48eac94f90c534e7173a92cd1331a420 | |
| parent | 18e156676aae89aa23f1cc8b4ffbf2aebb4349bc (diff) | |
R600/SI: Use source scheduler
This is certainly not the last word on scheduling for this target, but
right now this allows a few apps to run / finish with radeonsi, most
notably UT2004 / Lightsmark. They fail to compile some shaders with the
default scheduler because it ends up trying to spill registers, which
we don't support yet (and which is probably a bad idea in general for
performance if it can be avoided).
NOTE: This is a candidate for the Mesa stable branch.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176687 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit d787c047bcc5d0d81743f9d4403d5c54fe4757fe)
| -rw-r--r-- | lib/Target/R600/SIISelLowering.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/R600/SIISelLowering.cpp b/lib/Target/R600/SIISelLowering.cpp index 81cd38db49a..cf5db06b3a2 100644 --- a/lib/Target/R600/SIISelLowering.cpp +++ b/lib/Target/R600/SIISelLowering.cpp @@ -58,6 +58,8 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) : setTargetDAGCombine(ISD::SELECT_CC); setTargetDAGCombine(ISD::SETCC); + + setSchedulingPreference(Sched::Source); } MachineBasicBlock * SITargetLowering::EmitInstrWithCustomInserter( |