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187 lines
7.0 KiB
187 lines
7.0 KiB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -verify-machineinstrs -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=regallocfast -o - %s | FileCheck -check-prefix=GCN %s
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---
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name: self_loop_single_def_use
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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; GCN-LABEL: name: self_loop_single_def_use
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: liveins: $vgpr0_vgpr1
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; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5)
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; GCN: bb.1:
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; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5)
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; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec
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; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, killed renamable $vgpr2, 0, 0, 0, 0, implicit $exec
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; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
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; GCN: bb.2:
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; GCN: S_ENDPGM 0
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bb.0:
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liveins: $vgpr0_vgpr1
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%0:vreg_64 = COPY $vgpr0_vgpr1
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bb.1:
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%1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec
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GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec
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S_CBRANCH_EXECZ %bb.1, implicit $exec
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bb.2:
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S_ENDPGM 0
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...
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---
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name: self_loop_multi_def
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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; GCN-LABEL: name: self_loop_multi_def
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: liveins: $vgpr0_vgpr1
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; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5)
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; GCN: bb.1:
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; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5)
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; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec
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; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, 0, 0, implicit $exec
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; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec
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; GCN: SI_SPILL_V32_SAVE $vgpr2, %stack.1, $sgpr32, 0, implicit $exec :: (store 4 into %stack.1, addrspace 5)
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; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, 0, 0, implicit $exec
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; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
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; GCN: bb.2:
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; GCN: S_ENDPGM 0
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bb.0:
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liveins: $vgpr0_vgpr1
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%0:vreg_64 = COPY $vgpr0_vgpr1
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bb.1:
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%1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec
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GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec
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%1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec
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GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec
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S_CBRANCH_EXECZ %bb.1, implicit $exec
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bb.2:
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S_ENDPGM 0
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...
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# There's a single def inside the self loop, but it's also a use.
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---
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name: self_loop_def_use_same_inst
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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; GCN-LABEL: name: self_loop_def_use_same_inst
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: liveins: $vgpr0_vgpr1
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; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5)
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; GCN: bb.1:
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; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5)
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; GCN: renamable $vgpr2 = V_ADD_U32_e32 1, undef $vgpr0, implicit $exec
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; GCN: SI_SPILL_V32_SAVE $vgpr2, %stack.1, $sgpr32, 0, implicit $exec :: (store 4 into %stack.1, addrspace 5)
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; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, 0, 0, implicit $exec
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; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
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; GCN: bb.2:
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; GCN: S_ENDPGM 0
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bb.0:
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liveins: $vgpr0_vgpr1
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%0:vreg_64 = COPY $vgpr0_vgpr1
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bb.1:
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%1:vgpr_32 = V_ADD_U32_e32 1, undef %1, implicit $exec
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GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec
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S_CBRANCH_EXECZ %bb.1, implicit $exec
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bb.2:
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S_ENDPGM 0
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...
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---
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name: self_loop_def_after_use
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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; GCN-LABEL: name: self_loop_def_after_use
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: liveins: $vgpr0_vgpr1
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; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5)
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; GCN: bb.1:
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; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5)
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; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, undef renamable $vgpr0, 0, 0, 0, 0, implicit $exec
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; GCN: renamable $vgpr0 = V_ADD_U32_e64 1, 1, 0, implicit $exec
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; GCN: SI_SPILL_V32_SAVE killed $vgpr0, %stack.1, $sgpr32, 0, implicit $exec :: (store 4 into %stack.1, addrspace 5)
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; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
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; GCN: bb.2:
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; GCN: S_ENDPGM 0
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bb.0:
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liveins: $vgpr0_vgpr1
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%0:vreg_64 = COPY $vgpr0_vgpr1
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bb.1:
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GLOBAL_STORE_DWORD %0, undef %1, 0, 0, 0, 0, implicit $exec
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%1:vgpr_32 = V_ADD_U32_e64 1, 1, 0, implicit $exec
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S_CBRANCH_EXECZ %bb.1, implicit $exec
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bb.2:
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S_ENDPGM 0
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...
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---
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name: self_loop_single_subreg_def_use
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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; GCN-LABEL: name: self_loop_single_subreg_def_use
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: liveins: $vgpr0_vgpr1
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; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5)
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; GCN: bb.1:
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; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5)
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; GCN: undef renamable $vgpr3 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec, implicit-def dead $vgpr2_vgpr3
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; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, undef renamable $vgpr1, 0, 0, 0, 0, implicit $exec
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; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
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; GCN: bb.2:
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; GCN: S_ENDPGM 0
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bb.0:
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liveins: $vgpr0_vgpr1
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%0:vreg_64 = COPY $vgpr0_vgpr1
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bb.1:
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undef %1.sub1:vreg_64 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec
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GLOBAL_STORE_DWORD %0, undef %1.sub1, 0, 0, 0, 0, implicit $exec
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S_CBRANCH_EXECZ %bb.1, implicit $exec
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bb.2:
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S_ENDPGM 0
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...
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