derek.holloway
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96 lines
3.7 KiB
YAML
96 lines
3.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx906 -run-pass=prologepilog -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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# VGPR spill code in the prolog sets the `IsKill` flag for the spilled register
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# based on the entry block's livein info.
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---
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name: vgpr_use_after_prolog_spill
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tracksRegLiveness: true
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machineFunctionInfo:
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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frameOffsetReg: '$sgpr33'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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bb.0:
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liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31
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; GCN-LABEL: name: vgpr_use_after_prolog_spill
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; GCN: liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr0
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; GCN-NEXT: $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr0, implicit $exec
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; GCN-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0
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; GCN-NEXT: S_NOP 0, implicit-def $vgpr0
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; GCN-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
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$vgpr0 = V_ADD_U32_e32 8192, killed $vgpr0, implicit $exec
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$vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0
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S_NOP 0, implicit-def $vgpr0
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S_SETPC_B64_return $sgpr30_sgpr31
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...
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---
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name: livein_vgpr_def_after_prolog_spill
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tracksRegLiveness: true
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machineFunctionInfo:
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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frameOffsetReg: '$sgpr33'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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bb.0:
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liveins: $sgpr42, $vgpr0, $vgpr1, $sgpr30_sgpr31
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; GCN-LABEL: name: livein_vgpr_def_after_prolog_spill
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; GCN: liveins: $sgpr42, $vgpr0, $vgpr1, $sgpr30_sgpr31
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr0
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; GCN-NEXT: $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr1, implicit $exec
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; GCN-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0
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; GCN-NEXT: S_NOP 0, implicit-def $vgpr0
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; GCN-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
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$vgpr0 = V_ADD_U32_e32 8192, killed $vgpr1, implicit $exec
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$vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0
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S_NOP 0, implicit-def $vgpr0
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S_SETPC_B64_return $sgpr30_sgpr31
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...
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---
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name: livein_vgpr_not_referred_in_entry_bb
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tracksRegLiveness: true
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machineFunctionInfo:
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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frameOffsetReg: '$sgpr33'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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; GCN-LABEL: name: livein_vgpr_not_referred_in_entry_bb
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; GCN: bb.0:
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; GCN-NEXT: successors: %bb.1(0x80000000)
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; GCN-NEXT: liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6
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; GCN-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
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; GCN-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr0
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; GCN-NEXT: S_NOP 0
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; GCN-NEXT: S_BRANCH %bb.1
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: bb.1:
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; GCN-NEXT: liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0
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; GCN-NEXT: S_NOP 0, implicit-def $vgpr0
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; GCN-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
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bb.0:
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liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31
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S_NOP 0
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S_BRANCH %bb.1
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bb.1:
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liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31
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$vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0
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S_NOP 0, implicit-def $vgpr0
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S_SETPC_B64_return $sgpr30_sgpr31
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...
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