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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-11-16 20:35:23 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-11-16 20:35:23 +0000 |
| commit | 3b36bb1d8780caeb122ee86cf2f44e397cb028ea (patch) | |
| tree | 8bfac477c9af17ec001ff7b7f479d6cd7dd5e91f /llvm/lib | |
| parent | 1b9560ffd61f3f4c2089c4971ebce0cfb4932adf (diff) | |
| download | bcm5719-llvm-3b36bb1d8780caeb122ee86cf2f44e397cb028ea.tar.gz bcm5719-llvm-3b36bb1d8780caeb122ee86cf2f44e397cb028ea.zip | |
AMDGPU: Enable ConstrainCopy DAG mutation
This fixes a probably unintended divergence from the default
scheduler behavior.
llvm-svn: 287146
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp index baf4d192c57..b534a4e81a1 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp @@ -104,6 +104,9 @@ createGCNMaxOccupancyMachineScheduler(MachineSchedContext *C) { new ScheduleDAGMILive(C, make_unique<GCNMaxOccupancySchedStrategy>(C)); const SIInstrInfo *TII = static_cast<const SIInstrInfo *>(DAG->TII); + + DAG->addMutation(createCopyConstrainDAGMutation(TII, DAG->TRI)); + if (TII->enableClusterLoads()) DAG->addMutation(createLoadClusterDAGMutation(TII, DAG->TRI)); |
