48 lines
2.9 KiB
YAML
48 lines
2.9 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=gfx908 -amdgpu-spill-sgpr-to-vgpr=false -verify-machineinstrs -start-before=si-lower-sgpr-spills -stop-after=prologepilog -o - %s | FileCheck %s
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# Check that we allocate 2 emergency stack slots if we're spilling
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# SGPRs to memory and potentially have an offset larger than fits in
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# the addressing mode of the memory instructions.
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---
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name: test
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tracksRegLiveness: true
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frameInfo:
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maxAlignment: 4
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stack:
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- { id: 0, type: spill-slot, size: 4, alignment: 4, stack-id: sgpr-spill }
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- { id: 1, size: 4096, alignment: 4 }
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machineFunctionInfo:
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isEntryFunction: false
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scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
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stackPtrOffsetReg: '$sgpr32'
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frameOffsetReg: '$sgpr33'
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hasSpilledSGPRs: true
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body: |
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bb.0:
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liveins: $sgpr30_sgpr31, $sgpr10, $sgpr11
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; CHECK-LABEL: name: test
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; CHECK: liveins: $sgpr10, $sgpr11, $sgpr30_sgpr31
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CMP_EQ_U32 0, 0, implicit-def $scc
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; CHECK-NEXT: $sgpr4_sgpr5 = S_MOV_B64 $exec
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; CHECK-NEXT: $exec = S_MOV_B64 1, implicit-def $vgpr1
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; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.2, addrspace 5)
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; CHECK-NEXT: $vgpr1 = SI_SPILL_S32_TO_VGPR $sgpr10, 0, undef $vgpr1
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; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
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; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.2, addrspace 5)
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; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5, implicit killed $vgpr1
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; CHECK-NEXT: $sgpr4_sgpr5 = S_MOV_B64 $exec
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; CHECK-NEXT: $exec = S_MOV_B64 1, implicit-def $vgpr1
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; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.2, addrspace 5)
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; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5)
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; CHECK-NEXT: $sgpr10 = SI_RESTORE_S32_FROM_VGPR killed $vgpr1, 0
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; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.2, addrspace 5)
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; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5, implicit killed $vgpr1
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; CHECK-NEXT: S_SETPC_B64 $sgpr30_sgpr31, implicit $scc
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S_CMP_EQ_U32 0, 0, implicit-def $scc
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SI_SPILL_S32_SAVE killed $sgpr10, %stack.0, implicit $exec, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr32
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renamable $sgpr10 = SI_SPILL_S32_RESTORE %stack.0, implicit $exec, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr32
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S_SETPC_B64 $sgpr30_sgpr31, implicit $scc
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...
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