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# RUN: llc -march=amdgcn -run-pass=none -verify-machineinstrs -o - %s | FileCheck %s
# RUN: llc -march=amdgcn -run-pass mir-canonicalizer -verify-machineinstrs -o - %s
# Previously getReservedRegs was called before parsing
# machineFunctionInfo, but the AMDGPU implementation depends on
# setting register fields to reserve there. $sgpr50 would then not be
# reserved, resulting in a verifier error from an undefined register.
---
# CHECK: machineFunctionInfo:
# CHECK: isEntryFunction: true
# CHECK: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
# CHECK: scratchWaveOffsetReg: '$sgpr50'
# CHECK: frameOffsetReg: '$sgpr50'
# CHECK: renamable $vgpr0 = BUFFER_LOAD_DWORD_OFFEN %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr50, 4, 0, 0, 0, 0, 0, implicit $exec :: (load 4, addrspace 5)
name: reserve_correct_register
tracksRegLiveness: true
machineFunctionInfo:
isEntryFunction: true
scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
scratchWaveOffsetReg: '$sgpr50'
frameOffsetReg: '$sgpr50'
stack:
- { id: 0, type: default, offset: 0, size: 4, alignment: 4 }
body: |
bb.0:
renamable $vgpr0 = BUFFER_LOAD_DWORD_OFFEN %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr50, 4, 0, 0, 0, 0, 0, implicit $exec :: (load 4, addrspace 5)
S_ENDPGM 0
...
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