llvm/test/CodeGen/AMDGPU/waterfall-call-target-av-register-failure.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a -verify-machineinstrs < %s | FileCheck %s

; Make sure SIFixSGPRCopies handles situations where it needs to fix
; up copies to physical registers from an AV virtual register.

define i32 @fix_sgpr_copies_indirect_call(ptr addrspace(5) %ptr) {
; CHECK-LABEL: fix_sgpr_copies_indirect_call:
; CHECK:       ; %bb.0: ; %bb
; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT:    s_mov_b32 s16, s33
; CHECK-NEXT:    s_mov_b32 s33, s32
; CHECK-NEXT:    s_or_saveexec_b64 s[18:19], -1
; CHECK-NEXT:    buffer_store_dword v40, off, s[0:3], s33 offset:16 ; 4-byte Folded Spill
; CHECK-NEXT:    buffer_store_dword v41, off, s[0:3], s33 offset:20 ; 4-byte Folded Spill
; CHECK-NEXT:    s_mov_b64 exec, s[18:19]
; CHECK-NEXT:    v_writelane_b32 v40, s16, 4
; CHECK-NEXT:    v_writelane_b32 v40, s34, 2
; CHECK-NEXT:    v_writelane_b32 v40, s35, 3
; CHECK-NEXT:    s_add_i32 s32, s32, 0x800
; CHECK-NEXT:    v_writelane_b32 v40, s30, 0
; CHECK-NEXT:    v_writelane_b32 v40, s31, 1
; CHECK-NEXT:    buffer_store_dword v31, off, s[0:3], s33 offset:12 ; 4-byte Folded Spill
; CHECK-NEXT:    v_mov_b32_e32 v1, v0
; CHECK-NEXT:    ; implicit-def: $vgpr41 : SGPR spill to VGPR lane
; CHECK-NEXT:    v_writelane_b32 v41, s15, 0
; CHECK-NEXT:    v_writelane_b32 v41, s14, 1
; CHECK-NEXT:    v_writelane_b32 v41, s13, 2
; CHECK-NEXT:    v_writelane_b32 v41, s12, 3
; CHECK-NEXT:    v_writelane_b32 v41, s10, 4
; CHECK-NEXT:    v_writelane_b32 v41, s11, 5
; CHECK-NEXT:    v_writelane_b32 v41, s8, 6
; CHECK-NEXT:    v_writelane_b32 v41, s9, 7
; CHECK-NEXT:    v_writelane_b32 v41, s6, 8
; CHECK-NEXT:    v_writelane_b32 v41, s7, 9
; CHECK-NEXT:    v_writelane_b32 v41, s4, 10
; CHECK-NEXT:    v_writelane_b32 v41, s5, 11
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_store_dword v41, off, s[0:3], s33 ; 4-byte Folded Spill
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:    buffer_load_dword v0, v1, s[0:3], 0 offen
; CHECK-NEXT:    buffer_load_dword v2, v1, s[0:3], 0 offen offset:4
; CHECK-NEXT:    ; kill: def $vgpr0 killed $vgpr0 def $vgpr0_vgpr1 killed $exec
; CHECK-NEXT:    s_waitcnt vmcnt(0)
; CHECK-NEXT:    v_mov_b32_e32 v1, v2
; CHECK-NEXT:    buffer_store_dword v0, off, s[0:3], s33 offset:4 ; 4-byte Folded Spill
; CHECK-NEXT:    s_nop 0
; CHECK-NEXT:    buffer_store_dword v1, off, s[0:3], s33 offset:8 ; 4-byte Folded Spill
; CHECK-NEXT:  ; %bb.1: ; %bb1
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_load_dword v41, off, s[0:3], s33 ; 4-byte Folded Reload
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:    s_mov_b64 s[4:5], exec
; CHECK-NEXT:    s_waitcnt vmcnt(0)
; CHECK-NEXT:    v_writelane_b32 v41, s4, 12
; CHECK-NEXT:    v_writelane_b32 v41, s5, 13
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_store_dword v41, off, s[0:3], s33 ; 4-byte Folded Spill
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:  .LBB0_2: ; =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_load_dword v41, off, s[0:3], s33 ; 4-byte Folded Reload
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:    buffer_load_dword v0, off, s[0:3], s33 offset:4 ; 4-byte Folded Reload
; CHECK-NEXT:    buffer_load_dword v1, off, s[0:3], s33 offset:8 ; 4-byte Folded Reload
; CHECK-NEXT:    s_waitcnt vmcnt(1)
; CHECK-NEXT:    v_readfirstlane_b32 s6, v0
; CHECK-NEXT:    s_waitcnt vmcnt(0)
; CHECK-NEXT:    v_readfirstlane_b32 s8, v1
; CHECK-NEXT:    s_mov_b32 s4, s6
; CHECK-NEXT:    s_mov_b32 s5, s8
; CHECK-NEXT:    v_cmp_eq_u64_e64 s[4:5], s[4:5], v[0:1]
; CHECK-NEXT:    ; kill: def $sgpr6 killed $sgpr6 def $sgpr6_sgpr7
; CHECK-NEXT:    s_mov_b32 s7, s8
; CHECK-NEXT:    v_writelane_b32 v41, s6, 14
; CHECK-NEXT:    v_writelane_b32 v41, s7, 15
; CHECK-NEXT:    s_and_saveexec_b64 s[4:5], s[4:5]
; CHECK-NEXT:    v_writelane_b32 v41, s4, 16
; CHECK-NEXT:    v_writelane_b32 v41, s5, 17
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_store_dword v41, off, s[0:3], s33 ; 4-byte Folded Spill
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:  ; %bb.3: ; in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_load_dword v41, off, s[0:3], s33 ; 4-byte Folded Reload
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:    s_waitcnt vmcnt(0)
; CHECK-NEXT:    v_readlane_b32 s16, v41, 14
; CHECK-NEXT:    v_readlane_b32 s17, v41, 15
; CHECK-NEXT:    v_readlane_b32 s15, v41, 0
; CHECK-NEXT:    v_readlane_b32 s14, v41, 1
; CHECK-NEXT:    v_readlane_b32 s13, v41, 2
; CHECK-NEXT:    v_readlane_b32 s12, v41, 3
; CHECK-NEXT:    v_readlane_b32 s10, v41, 4
; CHECK-NEXT:    v_readlane_b32 s11, v41, 5
; CHECK-NEXT:    v_readlane_b32 s8, v41, 6
; CHECK-NEXT:    v_readlane_b32 s9, v41, 7
; CHECK-NEXT:    v_readlane_b32 s6, v41, 8
; CHECK-NEXT:    v_readlane_b32 s7, v41, 9
; CHECK-NEXT:    v_readlane_b32 s4, v41, 10
; CHECK-NEXT:    v_readlane_b32 s5, v41, 11
; CHECK-NEXT:    buffer_load_dword v31, off, s[0:3], s33 offset:12 ; 4-byte Folded Reload
; CHECK-NEXT:    s_mov_b64 s[22:23], s[2:3]
; CHECK-NEXT:    s_mov_b64 s[20:21], s[0:1]
; CHECK-NEXT:    s_mov_b64 s[0:1], s[20:21]
; CHECK-NEXT:    s_mov_b64 s[2:3], s[22:23]
; CHECK-NEXT:    s_swappc_b64 s[30:31], s[16:17]
; CHECK-NEXT:    v_readlane_b32 s4, v41, 16
; CHECK-NEXT:    v_readlane_b32 s5, v41, 17
; CHECK-NEXT:    s_xor_b64 exec, exec, s[4:5]
; CHECK-NEXT:    s_cbranch_execnz .LBB0_2
; CHECK-NEXT:  ; %bb.4:
; CHECK-NEXT:    s_or_saveexec_b64 s[34:35], -1
; CHECK-NEXT:    buffer_load_dword v41, off, s[0:3], s33 ; 4-byte Folded Reload
; CHECK-NEXT:    s_mov_b64 exec, s[34:35]
; CHECK-NEXT:    s_waitcnt vmcnt(0)
; CHECK-NEXT:    v_readlane_b32 s4, v41, 12
; CHECK-NEXT:    v_readlane_b32 s5, v41, 13
; CHECK-NEXT:    s_mov_b64 exec, s[4:5]
; CHECK-NEXT:    v_mov_b32_e32 v0, 0
; CHECK-NEXT:    v_readlane_b32 s31, v40, 1
; CHECK-NEXT:    v_readlane_b32 s30, v40, 0
; CHECK-NEXT:    s_mov_b32 s32, s33
; CHECK-NEXT:    v_readlane_b32 s4, v40, 4
; CHECK-NEXT:    v_readlane_b32 s34, v40, 2
; CHECK-NEXT:    v_readlane_b32 s35, v40, 3
; CHECK-NEXT:    s_or_saveexec_b64 s[6:7], -1
; CHECK-NEXT:    buffer_load_dword v40, off, s[0:3], s33 offset:16 ; 4-byte Folded Reload
; CHECK-NEXT:    buffer_load_dword v41, off, s[0:3], s33 offset:20 ; 4-byte Folded Reload
; CHECK-NEXT:    s_mov_b64 exec, s[6:7]
; CHECK-NEXT:    s_mov_b32 s33, s4
; CHECK-NEXT:    s_waitcnt vmcnt(0)
; CHECK-NEXT:    s_setpc_b64 s[30:31]
bb:
  %i = load ptr, ptr addrspace(5) %ptr, align 8
  br label %bb1

bb1:                                              ; preds = %bb
  tail call void %i()
  ret i32 0
}