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[AMDGPU] Parse wwm filter flag for regalloc fast #119347

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Merged
merged 1 commit into from
Dec 12, 2024
Merged

[AMDGPU] Parse wwm filter flag for regalloc fast #119347

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2 changes: 2 additions & 0 deletions llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -870,6 +870,8 @@ void AMDGPUTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
return onlyAllocateSGPRs;
if (FilterName == "vgpr")
return onlyAllocateVGPRs;
if (FilterName == "wwm")
return onlyAllocateWWMRegs;
return nullptr;
});
}
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4 changes: 3 additions & 1 deletion llvm/test/tools/llc/new-pm/regalloc-amdgpu.mir
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Original file line number Diff line number Diff line change
@@ -1,8 +1,10 @@
# REQUIRES: amdgpu-registered-target
# RUN: llc -mtriple=amdgcn --passes='regallocfast<filter=sgpr>' --print-pipeline-passes --filetype=null %s | FileCheck %s --check-prefix=PASS
# RUN: llc -mtriple=amdgcn --passes='regallocfast<filter=sgpr>,regallocfast<filter=wwm>,regallocfast<filter=vgpr>' --print-pipeline-passes --filetype=null %s | FileCheck %s --check-prefix=PASS
# RUN: not llc -mtriple=amdgcn --passes='regallocfast<filter=bad-filter>' --print-pipeline-passes --filetype=null %s 2>&1 | FileCheck %s --check-prefix=BAD-FILTER

# PASS: regallocfast<filter=sgpr>
# PASS: regallocfast<filter=wwm>
# PASS: regallocfast<filter=vgpr>
# BAD-FILTER: invalid regallocfast register filter 'bad-filter'

---
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