File: wwm-reserved-regs.mir

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# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=none -verify-machineinstrs %s -o - | FileCheck %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=none -simplify-mir -verify-machineinstrs %s -o - | FileCheck %s

# CHECK-LABEL: name: empty_wwm_regs{{$}}
# CHECK: machineFunctionInfo:
# CHECK-NOT: wwmReservedRegs
---
name: empty_wwm_regs
machineFunctionInfo:
  wwmReservedRegs: []
body:             |
  bb.0:
    S_ENDPGM 0

...

# CHECK-LABEL: name: one_reg{{$}}
# CHECK: machineFunctionInfo:
# CHECK: wwmReservedRegs:
# CHECK-NEXT: - '$vgpr0'
---
name: one_reg
machineFunctionInfo:
  wwmReservedRegs: ['$vgpr0']
body:             |
  bb.0:
    S_ENDPGM 0

...

# CHECK-LABEL: name: two_reg{{$}}
# CHECK: machineFunctionInfo:
# CHECK: wwmReservedRegs:
# CHECK-NEXT: - '$vgpr0'
# CHECK-NEXT: - '$vgpr1'
---
name: two_reg
machineFunctionInfo:
  wwmReservedRegs: ['$vgpr0', '$vgpr1']
body:             |
  bb.0:
    S_ENDPGM 0

...