1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
  
     | 
    
      # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=regallocfast -o - %s | FileCheck -check-prefix=SPILLED %s
# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=regallocfast,si-lower-sgpr-spills -o - %s | FileCheck -check-prefix=EXPANDED %s
# Make sure spill/restore of 320 bit registers works.
---
name: spill_restore_sgpr320
tracksRegLiveness: true
machineFunctionInfo:
  scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
  stackPtrOffsetReg: $sgpr32
body: |
  ; SPILLED-LABEL: name: spill_restore_sgpr320
  ; SPILLED: bb.0:
  ; SPILLED-NEXT:   successors: %bb.1(0x80000000)
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT:   S_NOP 0, implicit-def renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  ; SPILLED-NEXT:   SI_SPILL_S320_SAVE killed $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13, %stack.0, implicit $exec, implicit $sgpr32 :: (store (s320) into %stack.0, align 4, addrspace 5)
  ; SPILLED-NEXT:   S_CBRANCH_SCC1 %bb.1, implicit undef $scc
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT: bb.1:
  ; SPILLED-NEXT:   successors: %bb.2(0x80000000)
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT:   S_NOP 1
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT: bb.2:
  ; SPILLED-NEXT:   $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13 = SI_SPILL_S320_RESTORE %stack.0, implicit $exec, implicit $sgpr32 :: (load (s320) from %stack.0, align 4, addrspace 5)
  ; SPILLED-NEXT:   S_NOP 0, implicit killed renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  ;
  ; EXPANDED-LABEL: name: spill_restore_sgpr320
  ; EXPANDED: bb.0:
  ; EXPANDED-NEXT:   successors: %bb.1(0x80000000)
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
  ; EXPANDED-NEXT:   S_NOP 0, implicit-def renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr4, 0, [[DEF]], implicit-def $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13, implicit $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr5, 1, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr6, 2, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr7, 3, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr8, 4, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr9, 5, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr10, 6, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr11, 7, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR $sgpr12, 8, [[DEF]]
  ; EXPANDED-NEXT:   [[DEF:%[0-9]+]]:vgpr_32 = SI_SPILL_S32_TO_VGPR killed $sgpr13, 9, [[DEF]], implicit killed $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  ; EXPANDED-NEXT:   S_CBRANCH_SCC1 %bb.1, implicit undef $scc
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT: bb.1:
  ; EXPANDED-NEXT:   successors: %bb.2(0x80000000)
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT:   S_NOP 1
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT: bb.2:
  ; EXPANDED-NEXT:   $sgpr4 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 0, implicit-def $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  ; EXPANDED-NEXT:   $sgpr5 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 1
  ; EXPANDED-NEXT:   $sgpr6 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 2
  ; EXPANDED-NEXT:   $sgpr7 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 3
  ; EXPANDED-NEXT:   $sgpr8 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 4
  ; EXPANDED-NEXT:   $sgpr9 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 5
  ; EXPANDED-NEXT:   $sgpr10 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 6
  ; EXPANDED-NEXT:   $sgpr11 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 7
  ; EXPANDED-NEXT:   $sgpr12 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 8
  ; EXPANDED-NEXT:   $sgpr13 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 9
  ; EXPANDED-NEXT:   S_NOP 0, implicit killed renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13
  bb.0:
    S_NOP 0, implicit-def %0:sgpr_320
    S_CBRANCH_SCC1 implicit undef $scc, %bb.1
  bb.1:
    S_NOP 1
  bb.2:
    S_NOP 0, implicit %0
...
---
name: spill_restore_vgpr320
tracksRegLiveness: true
machineFunctionInfo:
  scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
  stackPtrOffsetReg: $sgpr32
body: |
  ; SPILLED-LABEL: name: spill_restore_vgpr320
  ; SPILLED: bb.0:
  ; SPILLED-NEXT:   successors: %bb.1(0x80000000)
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT:   S_NOP 0, implicit-def renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
  ; SPILLED-NEXT:   SI_SPILL_V320_SAVE killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9, %stack.0, $sgpr32, 0, implicit $exec :: (store (s320) into %stack.0, align 4, addrspace 5)
  ; SPILLED-NEXT:   S_CBRANCH_SCC1 %bb.1, implicit undef $scc
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT: bb.1:
  ; SPILLED-NEXT:   successors: %bb.2(0x80000000)
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT:   S_NOP 1
  ; SPILLED-NEXT: {{  $}}
  ; SPILLED-NEXT: bb.2:
  ; SPILLED-NEXT:   $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9 = SI_SPILL_V320_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s320) from %stack.0, align 4, addrspace 5)
  ; SPILLED-NEXT:   S_NOP 0, implicit killed renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
  ;
  ; EXPANDED-LABEL: name: spill_restore_vgpr320
  ; EXPANDED: bb.0:
  ; EXPANDED-NEXT:   successors: %bb.1(0x80000000)
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT:   S_NOP 0, implicit-def renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
  ; EXPANDED-NEXT:   SI_SPILL_V320_SAVE killed $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9, %stack.0, $sgpr32, 0, implicit $exec :: (store (s320) into %stack.0, align 4, addrspace 5)
  ; EXPANDED-NEXT:   S_CBRANCH_SCC1 %bb.1, implicit undef $scc
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT: bb.1:
  ; EXPANDED-NEXT:   successors: %bb.2(0x80000000)
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT:   S_NOP 1
  ; EXPANDED-NEXT: {{  $}}
  ; EXPANDED-NEXT: bb.2:
  ; EXPANDED-NEXT:   $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9 = SI_SPILL_V320_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s320) from %stack.0, align 4, addrspace 5)
  ; EXPANDED-NEXT:   S_NOP 0, implicit killed renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
  bb.0:
    S_NOP 0, implicit-def %0:vreg_320
    S_CBRANCH_SCC1 implicit undef $scc, %bb.1
  bb.1:
    S_NOP 1
  bb.2:
    S_NOP 0, implicit %0
...
 
     |