| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx906 -run-pass=prologepilog -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s |
| |
| # VGPR spill code in the prolog sets the `IsKill` flag for the spilled register |
| # based on the entry block's livein info. |
| |
| --- |
| name: vgpr_use_after_prolog_spill |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| frameOffsetReg: '$sgpr33' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| bb.0: |
| liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31 |
| |
| ; GCN-LABEL: name: vgpr_use_after_prolog_spill |
| ; GCN: liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31 |
| ; GCN-NEXT: {{ $}} |
| ; GCN-NEXT: $sgpr4_sgpr5 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec |
| ; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5) |
| ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5 |
| ; GCN-NEXT: $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr0, implicit $exec |
| ; GCN-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0 |
| ; GCN-NEXT: S_NOP 0, implicit-def $vgpr0 |
| ; GCN-NEXT: $sgpr4_sgpr5 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec |
| ; GCN-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5) |
| ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5 |
| ; GCN-NEXT: S_SETPC_B64_return $sgpr30_sgpr31 |
| $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr0, implicit $exec |
| $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0 |
| S_NOP 0, implicit-def $vgpr0 |
| S_SETPC_B64_return $sgpr30_sgpr31 |
| ... |
| |
| --- |
| name: livein_vgpr_def_after_prolog_spill |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| frameOffsetReg: '$sgpr33' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| bb.0: |
| liveins: $sgpr42, $vgpr0, $vgpr1, $sgpr30_sgpr31 |
| |
| ; GCN-LABEL: name: livein_vgpr_def_after_prolog_spill |
| ; GCN: liveins: $sgpr42, $vgpr0, $vgpr1, $sgpr30_sgpr31 |
| ; GCN-NEXT: {{ $}} |
| ; GCN-NEXT: $sgpr4_sgpr5 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec |
| ; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5) |
| ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5 |
| ; GCN-NEXT: $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr1, implicit $exec |
| ; GCN-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0 |
| ; GCN-NEXT: S_NOP 0, implicit-def $vgpr0 |
| ; GCN-NEXT: $sgpr4_sgpr5 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec |
| ; GCN-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5) |
| ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5 |
| ; GCN-NEXT: S_SETPC_B64_return $sgpr30_sgpr31 |
| $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr1, implicit $exec |
| $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0 |
| S_NOP 0, implicit-def $vgpr0 |
| S_SETPC_B64_return $sgpr30_sgpr31 |
| ... |
| |
| --- |
| name: livein_vgpr_not_referred_in_entry_bb |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| frameOffsetReg: '$sgpr33' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| ; GCN-LABEL: name: livein_vgpr_not_referred_in_entry_bb |
| ; GCN: bb.0: |
| ; GCN-NEXT: successors: %bb.1(0x80000000) |
| ; GCN-NEXT: liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31 |
| ; GCN-NEXT: {{ $}} |
| ; GCN-NEXT: $sgpr4_sgpr5 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec |
| ; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5) |
| ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5 |
| ; GCN-NEXT: S_NOP 0 |
| ; GCN-NEXT: S_BRANCH %bb.1 |
| ; GCN-NEXT: {{ $}} |
| ; GCN-NEXT: bb.1: |
| ; GCN-NEXT: liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31 |
| ; GCN-NEXT: {{ $}} |
| ; GCN-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0 |
| ; GCN-NEXT: S_NOP 0, implicit-def $vgpr0 |
| ; GCN-NEXT: $sgpr4_sgpr5 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec |
| ; GCN-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5) |
| ; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5 |
| ; GCN-NEXT: S_SETPC_B64_return $sgpr30_sgpr31 |
| bb.0: |
| liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31 |
| S_NOP 0 |
| S_BRANCH %bb.1 |
| bb.1: |
| liveins: $sgpr42, $vgpr0, $sgpr30_sgpr31 |
| $vgpr0 = V_WRITELANE_B32 killed $sgpr42, 0, $vgpr0 |
| S_NOP 0, implicit-def $vgpr0 |
| S_SETPC_B64_return $sgpr30_sgpr31 |
| ... |