llvm/llvm/test/CodeGen/AMDGPU/insert-waitcnts-crash.ll

; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -stop-after=si-insert-waitcnts -verify-machineinstrs < %s | FileCheck %s

declare fastcc void @bar()

define fastcc i32 @foo() {
  ; CHECK-LABEL: name: foo
  ; CHECK: bb.0 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $sgpr12, $sgpr13, $sgpr14, $sgpr15, $sgpr30, $sgpr31, $vgpr31, $vgpr40, $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   S_WAITCNT 0
  ; CHECK-NEXT:   $sgpr16 = S_MOV_B32 $sgpr33
  ; CHECK-NEXT:   $sgpr33 = S_MOV_B32 $sgpr32
  ; CHECK-NEXT:   $sgpr17 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
  ; CHECK-NEXT:   BUFFER_STORE_DWORD_OFFSET killed $vgpr40, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr33, 0, 0, 0, implicit $exec :: (store (s32) into %stack.2, addrspace 5)
  ; CHECK-NEXT:   $exec_lo = S_MOV_B32 killed $sgpr17
  ; CHECK-NEXT:   $sgpr32 = frame-setup S_ADDK_I32 $sgpr32, 512, implicit-def dead $scc
  ; CHECK-NEXT:   $vgpr40 = V_WRITELANE_B32 killed $sgpr16, 2, undef $vgpr40
  ; CHECK-NEXT:   BUNDLE implicit-def $sgpr16_sgpr17, implicit-def $sgpr16, implicit-def $sgpr16_lo16, implicit-def $sgpr16_hi16, implicit-def $sgpr17, implicit-def $sgpr17_lo16, implicit-def $sgpr17_hi16, implicit-def $scc {
  ; CHECK-NEXT:     $sgpr16_sgpr17 = S_GETPC_B64
  ; CHECK-NEXT:     $sgpr16 = S_ADD_U32 internal $sgpr16, target-flags(amdgpu-gotprel32-lo) @bar + 4, implicit-def $scc
  ; CHECK-NEXT:     $sgpr17 = S_ADDC_U32 internal $sgpr17, target-flags(amdgpu-gotprel32-hi) @bar + 12, implicit-def $scc, implicit internal $scc
  ; CHECK-NEXT:   }
  ; CHECK-NEXT:   S_WAITCNT_VSCNT undef $sgpr_null, 0
  ; CHECK-NEXT:   BUFFER_GL1_INV implicit $exec
  ; CHECK-NEXT:   BUFFER_GL0_INV implicit $exec
  ; CHECK-NEXT:   renamable $sgpr16_sgpr17 = S_LOAD_DWORDX2_IMM killed renamable $sgpr16_sgpr17, 0, 0 :: (dereferenceable invariant load (s64) from got, addrspace 4)
  ; CHECK-NEXT:   $vgpr40 = V_WRITELANE_B32 killed $sgpr30, 0, killed $vgpr40
  ; CHECK-NEXT:   $vgpr40 = V_WRITELANE_B32 killed $sgpr31, 1, killed $vgpr40
  ; CHECK-NEXT:   S_WAITCNT 49279
  ; CHECK-NEXT:   dead $sgpr30_sgpr31 = SI_CALL killed renamable $sgpr16_sgpr17, @bar, csr_amdgpu, implicit killed $sgpr4_sgpr5, implicit killed $sgpr6_sgpr7, implicit killed $sgpr8_sgpr9, implicit killed $sgpr10_sgpr11, implicit killed $sgpr12, implicit killed $sgpr13, implicit killed $sgpr14, implicit killed $sgpr15, implicit killed $vgpr31, implicit $sgpr0_sgpr1_sgpr2_sgpr3
  ; CHECK-NEXT:   $vcc_lo = S_MOV_B32 $exec_lo
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1 (%ir-block.1):
  ; CHECK-NEXT:   successors: %bb.2(0x04000000), %bb.1(0x7c000000)
  ; CHECK-NEXT:   liveins: $vcc_lo, $vgpr40
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.DummyReturnBlock:
  ; CHECK-NEXT:   liveins: $vgpr40
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $sgpr31 = V_READLANE_B32 $vgpr40, 1
  ; CHECK-NEXT:   $sgpr30 = V_READLANE_B32 $vgpr40, 0
  ; CHECK-NEXT:   $sgpr4 = V_READLANE_B32 killed $vgpr40, 2
  ; CHECK-NEXT:   $sgpr5 = S_OR_SAVEEXEC_B32 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
  ; CHECK-NEXT:   $vgpr40 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr33, 0, 0, 0, implicit $exec :: (load (s32) from %stack.2, addrspace 5)
  ; CHECK-NEXT:   $exec_lo = S_MOV_B32 killed $sgpr5
  ; CHECK-NEXT:   $sgpr32 = frame-destroy S_ADDK_I32 $sgpr32, -512, implicit-def dead $scc
  ; CHECK-NEXT:   $sgpr33 = S_MOV_B32 killed $sgpr4
  ; CHECK-NEXT:   S_WAITCNT 16240
  ; CHECK-NEXT:   S_SETPC_B64_return undef $sgpr30_sgpr31, implicit undef $vgpr0
  fence acquire
  call fastcc void @bar()
  br label %1

1:
  br label %1
}