271 lines
15 KiB
Text
271 lines
15 KiB
Text
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
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# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs -run-pass=prologepilog -o - %s | FileCheck -check-prefix=GCN %s
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--- |
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declare amdgpu_cs_chain void @callee()
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declare amdgpu_gfx void @gfx_callee()
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define amdgpu_cs_chain_preserve void @preserve_active_lanes_above_args() {ret void}
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define amdgpu_cs_chain_preserve void @preserve_all_lanes_wwm_above_args() {ret void}
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define amdgpu_cs_chain_preserve void @dont_preserve_args() {ret void}
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define amdgpu_cs_chain_preserve void @preserve_inactive_lanes_wwm_args() {ret void}
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define amdgpu_cs_chain_preserve void @dont_preserve_if_no_chain_calls() {ret void}
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define amdgpu_cs_chain_preserve void @dont_preserve_v0_v7() {ret void}
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define amdgpu_cs_chain_preserve void @dont_preserve_sgpr() {ret void}
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...
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---
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# NOTE: Since we don't know what the args are, we rely on the fact that we can't
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# call llvm.amdgcn.cs.chain with more parameters than we received - so anything
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# that is used by the SI_CS_CHAIN_TC_W32 is assumed to have been an arg and therefore
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# not preserved.
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---
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name: preserve_active_lanes_above_args
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tracksRegLiveness: true
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frameInfo:
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hasTailCall: true
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machineFunctionInfo:
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stackPtrOffsetReg: '$sgpr32'
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isChainFunction: true
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returnsVoid: true
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body: |
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bb.0:
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liveins: $sgpr0, $vgpr8, $vgpr9
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; GCN-LABEL: name: preserve_active_lanes_above_args
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; GCN: liveins: $sgpr0, $vgpr8, $vgpr9, $vgpr10
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: SCRATCH_STORE_DWORD_ST killed $vgpr10, 4, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.0, addrspace 5)
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; GCN-NEXT: renamable $vgpr10 = V_MOV_B32_e32 10, implicit $exec
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; GCN-NEXT: $vgpr8 = COPY killed renamable $vgpr10
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; GCN-NEXT: renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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; GCN-NEXT: renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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; GCN-NEXT: $vgpr10 = SCRATCH_LOAD_DWORD_ST 4, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.0, addrspace 5)
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; GCN-NEXT: SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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renamable $vgpr10 = V_MOV_B32_e32 10, implicit $exec
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$vgpr8 = COPY renamable killed $vgpr10
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renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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...
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---
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name: preserve_all_lanes_wwm_above_args
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tracksRegLiveness: true
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frameInfo:
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hasTailCall: true
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machineFunctionInfo:
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stackPtrOffsetReg: '$sgpr32'
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isChainFunction: true
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returnsVoid: true
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wwmReservedRegs:
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- '$vgpr11'
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body: |
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bb.0:
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liveins: $sgpr0, $sgpr35, $vgpr8, $vgpr9, $vgpr10
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; GCN-LABEL: name: preserve_all_lanes_wwm_above_args
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; GCN: liveins: $sgpr0, $sgpr35, $vgpr8, $vgpr9, $vgpr10
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: $sgpr1 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; GCN-NEXT: SCRATCH_STORE_DWORD_ST $vgpr10, 4, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.0, addrspace 5)
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; GCN-NEXT: SCRATCH_STORE_DWORD_ST killed $vgpr11, 8, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.1, addrspace 5)
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; GCN-NEXT: $exec_lo = S_MOV_B32 killed $sgpr1
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; GCN-NEXT: renamable $vgpr10 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr10
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; GCN-NEXT: $sgpr35 = S_MOV_B32 5
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; GCN-NEXT: $sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr10, 0
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; GCN-NEXT: renamable $vgpr10 = V_MOV_B32_e32 10, implicit $exec
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; GCN-NEXT: $vgpr8 = COPY killed renamable $vgpr10
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; GCN-NEXT: renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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; GCN-NEXT: renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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; GCN-NEXT: $sgpr1 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; GCN-NEXT: $vgpr10 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 4, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.0, addrspace 5)
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; GCN-NEXT: $vgpr11 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 8, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %stack.1, addrspace 5)
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; GCN-NEXT: $exec_lo = S_MOV_B32 killed $sgpr1
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; GCN-NEXT: SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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renamable $vgpr10 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr10
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$sgpr35 = S_MOV_B32 5
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$sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr10, 0
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renamable $vgpr10 = V_MOV_B32_e32 10, implicit $exec
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$vgpr8 = COPY renamable killed $vgpr10
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renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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...
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---
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name: dont_preserve_args
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tracksRegLiveness: true
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frameInfo:
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hasTailCall: true
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machineFunctionInfo:
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stackPtrOffsetReg: '$sgpr32'
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isChainFunction: true
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returnsVoid: true
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body: |
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bb.0:
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liveins: $sgpr0, $vgpr8, $vgpr9
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; GCN-LABEL: name: dont_preserve_args
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; GCN: liveins: $sgpr0, $vgpr8, $vgpr9
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: renamable $vgpr8 = V_MOV_B32_e32 10, implicit $exec
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; GCN-NEXT: renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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; GCN-NEXT: renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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; GCN-NEXT: SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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renamable $vgpr8 = V_MOV_B32_e32 10, implicit $exec
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renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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...
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---
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name: preserve_inactive_lanes_wwm_args
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tracksRegLiveness: true
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frameInfo:
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hasTailCall: true
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machineFunctionInfo:
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stackPtrOffsetReg: '$sgpr32'
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isChainFunction: true
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returnsVoid: true
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wwmReservedRegs:
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- '$vgpr9'
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body: |
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bb.0:
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liveins: $sgpr0, $sgpr35, $vgpr8, $vgpr9, $vgpr10
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; GCN-LABEL: name: preserve_inactive_lanes_wwm_args
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; GCN: liveins: $sgpr0, $sgpr35, $vgpr8, $vgpr9, $vgpr10
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: $sgpr1 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; GCN-NEXT: SCRATCH_STORE_DWORD_ST $vgpr8, 4, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.0, addrspace 5)
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; GCN-NEXT: SCRATCH_STORE_DWORD_ST $vgpr9, 8, 0, implicit $exec, implicit $flat_scr :: (store (s32) into %stack.1, addrspace 5)
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; GCN-NEXT: $exec_lo = S_MOV_B32 killed $sgpr1
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; GCN-NEXT: renamable $vgpr8 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr8
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; GCN-NEXT: $sgpr35 = S_MOV_B32 5
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; GCN-NEXT: $sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr8, 0
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; GCN-NEXT: renamable $vgpr8 = V_MOV_B32_e32 10, implicit $exec
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; GCN-NEXT: renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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; GCN-NEXT: renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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; GCN-NEXT: $sgpr1 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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; GCN-NEXT: $vgpr8 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 4, 0, implicit $exec, implicit $flat_scr, implicit $vgpr8(tied-def 0) :: (load (s32) from %stack.0, addrspace 5)
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; GCN-NEXT: $vgpr9 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 8, 0, implicit $exec, implicit $flat_scr, implicit $vgpr9(tied-def 0) :: (load (s32) from %stack.1, addrspace 5)
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; GCN-NEXT: $exec_lo = S_MOV_B32 killed $sgpr1
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; GCN-NEXT: SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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renamable $vgpr8 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr8
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$sgpr35 = S_MOV_B32 5
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$sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr8, 0
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renamable $vgpr8 = V_MOV_B32_e32 10, implicit $exec
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renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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...
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---
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name: dont_preserve_if_no_chain_calls
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tracksRegLiveness: true
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frameInfo:
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hasTailCall: false
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machineFunctionInfo:
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stackPtrOffsetReg: '$sgpr32'
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isChainFunction: true
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returnsVoid: true
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wwmReservedRegs:
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- '$vgpr9'
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body: |
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bb.0:
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liveins: $sgpr0, $sgpr35, $vgpr0, $vgpr8, $vgpr9
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; GCN-LABEL: name: dont_preserve_if_no_chain_calls
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; GCN: liveins: $sgpr0, $sgpr35, $vgpr0, $vgpr8, $vgpr9
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: renamable $vgpr8 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr8
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; GCN-NEXT: $sgpr35 = S_MOV_B32 5
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; GCN-NEXT: $sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr8, 0
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; GCN-NEXT: renamable $vgpr8 = V_MOV_B32_e32 10, implicit $exec
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; GCN-NEXT: $vgpr9 = V_MOV_B32_e32 20, implicit $exec
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; GCN-NEXT: $vgpr10 = V_MOV_B32_e32 30, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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renamable $vgpr8 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr8
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$sgpr35 = S_MOV_B32 5
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$sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr8, 0
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renamable $vgpr8 = V_MOV_B32_e32 10, implicit $exec
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$vgpr9 = V_MOV_B32_e32 20, implicit $exec
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$vgpr10 = V_MOV_B32_e32 30, implicit $exec
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S_ENDPGM 0
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...
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---
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name: dont_preserve_v0_v7
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tracksRegLiveness: true
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frameInfo:
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hasTailCall: true
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machineFunctionInfo:
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stackPtrOffsetReg: '$sgpr32'
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isChainFunction: true
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returnsVoid: true
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wwmReservedRegs:
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- '$vgpr1'
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body: |
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bb.0:
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liveins: $sgpr0, $sgpr35, $vgpr0, $vgpr8
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; GCN-LABEL: name: dont_preserve_v0_v7
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; GCN: liveins: $sgpr0, $sgpr35, $vgpr0, $vgpr8
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; GCN-NEXT: {{ $}}
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; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr0
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; GCN-NEXT: $sgpr35 = S_MOV_B32 5
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; GCN-NEXT: $sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr0, 0
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; GCN-NEXT: renamable $vgpr0 = V_MOV_B32_e32 10, implicit $exec
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; GCN-NEXT: renamable $vgpr7 = V_MOV_B32_e32 16, implicit $exec
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; GCN-NEXT: renamable $vgpr8 = COPY killed renamable $vgpr0
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; GCN-NEXT: renamable $vgpr9 = COPY killed renamable $vgpr7
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; GCN-NEXT: renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
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; GCN-NEXT: renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
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; GCN-NEXT: SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
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renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr35, 0, killed $vgpr0
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$sgpr35 = S_MOV_B32 5
|
||
|
|
$sgpr35 = SI_RESTORE_S32_FROM_VGPR $vgpr0, 0
|
||
|
|
renamable $vgpr0 = V_MOV_B32_e32 10, implicit $exec
|
||
|
|
renamable $vgpr7 = V_MOV_B32_e32 16, implicit $exec
|
||
|
|
renamable $vgpr8 = COPY killed renamable $vgpr0
|
||
|
|
renamable $vgpr9 = COPY killed renamable $vgpr7
|
||
|
|
renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
|
||
|
|
renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
|
||
|
|
SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0, implicit $vgpr8, implicit $vgpr9
|
||
|
|
...
|
||
|
|
|
||
|
|
---
|
||
|
|
name: dont_preserve_sgpr
|
||
|
|
tracksRegLiveness: true
|
||
|
|
frameInfo:
|
||
|
|
hasTailCall: true
|
||
|
|
machineFunctionInfo:
|
||
|
|
stackPtrOffsetReg: '$sgpr32'
|
||
|
|
isChainFunction: true
|
||
|
|
returnsVoid: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $sgpr0
|
||
|
|
|
||
|
|
; GCN-LABEL: name: dont_preserve_sgpr
|
||
|
|
; GCN: liveins: $sgpr0
|
||
|
|
; GCN-NEXT: {{ $}}
|
||
|
|
; GCN-NEXT: renamable $sgpr1 = S_ADD_I32 killed renamable $sgpr0, renamable $sgpr0, implicit-def dead $scc
|
||
|
|
; GCN-NEXT: $sgpr0 = COPY killed renamable $sgpr1
|
||
|
|
; GCN-NEXT: renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
|
||
|
|
; GCN-NEXT: renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
|
||
|
|
; GCN-NEXT: SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0
|
||
|
|
renamable $sgpr1 = S_ADD_I32 killed renamable $sgpr0, renamable $sgpr0, implicit-def dead $scc
|
||
|
|
$sgpr0 = COPY killed renamable $sgpr1
|
||
|
|
renamable $sgpr4_sgpr5 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-gotprel32-lo) @callee + 4, target-flags(amdgpu-gotprel32-hi) @callee + 12, implicit-def dead $scc
|
||
|
|
renamable $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (p0) from got, addrspace 4)
|
||
|
|
SI_CS_CHAIN_TC_W32 killed renamable $sgpr4_sgpr5, @callee, 0, -1, amdgpu_allvgprs, implicit $sgpr0
|
||
|
|
|
||
|
|
...
|