# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass=machine-sink -o - %s | FileCheck -check-prefixes=GFX10 %s
# Test that MachineSink pass respects block prologues when sinking instructions.
# Specifically an instruction must not be sunk before exec mask manipulation.
---
name: _amdgpu_hs_main
alignment: 1
tracksRegLiveness: true
machineFunctionInfo:
isEntryFunction: true
body: |
; GFX10-LABEL: name: _amdgpu_hs_main
; GFX10: bb.0:
; GFX10-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
; GFX10-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 8
; GFX10-NEXT: [[V_BFE_U32_e64_:%[0-9]+]]:vgpr_32 = V_BFE_U32_e64 [[DEF]], 8, 5, implicit $exec
; GFX10-NEXT: [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 5
; GFX10-NEXT: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_32 = V_CMP_NE_U32_e64 [[V_BFE_U32_e64_]], killed [[S_MOV_B32_1]], implicit $exec
; GFX10-NEXT: [[S_XOR_B32_:%[0-9]+]]:sreg_32 = S_XOR_B32 [[V_CMP_NE_U32_e64_]], -1, implicit-def $scc
; GFX10-NEXT: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 [[S_XOR_B32_]], $exec_lo, implicit-def $scc
; GFX10-NEXT: [[S_XOR_B32_1:%[0-9]+]]:sreg_32 = S_XOR_B32 $exec_lo, [[S_AND_B32_]], implicit-def $scc
; GFX10-NEXT: $exec_lo = S_MOV_B32_term [[S_AND_B32_]]
; GFX10-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; GFX10-NEXT: S_BRANCH %bb.1
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.1:
; GFX10-NEXT: successors: %bb.2(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[DEF1:%[0-9]+]]:sgpr_32 = IMPLICIT_DEF
; GFX10-NEXT: S_BRANCH %bb.2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.2:
; GFX10-NEXT: successors: %bb.3(0x40000000), %bb.4(0x40000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: $exec_lo = S_OR_B32 $exec_lo, [[S_XOR_B32_1]], implicit-def $scc
; GFX10-NEXT: [[V_LSHRREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHRREV_B32_e64 [[S_MOV_B32_]], [[DEF]], implicit $exec
; GFX10-NEXT: [[S_MOV_B32_2:%[0-9]+]]:sreg_32 = S_MOV_B32 31
; GFX10-NEXT: [[V_CMP_NE_U32_e64_1:%[0-9]+]]:sreg_32 = V_CMP_NE_U32_e64 [[V_BFE_U32_e64_]], killed [[S_MOV_B32_2]], implicit $exec
; GFX10-NEXT: [[S_XOR_B32_2:%[0-9]+]]:sreg_32 = S_XOR_B32 [[V_CMP_NE_U32_e64_1]], -1, implicit-def $scc
; GFX10-NEXT: [[S_AND_B32_1:%[0-9]+]]:sreg_32 = S_AND_B32 [[S_XOR_B32_2]], $exec_lo, implicit-def $scc
; GFX10-NEXT: [[S_XOR_B32_3:%[0-9]+]]:sreg_32 = S_XOR_B32 $exec_lo, [[S_AND_B32_1]], implicit-def $scc
; GFX10-NEXT: $exec_lo = S_MOV_B32_term [[S_AND_B32_1]]
; GFX10-NEXT: S_CBRANCH_EXECZ %bb.4, implicit $exec
; GFX10-NEXT: S_BRANCH %bb.3
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.3:
; GFX10-NEXT: successors: %bb.4(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: S_BRANCH %bb.4
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.4:
; GFX10-NEXT: successors: %bb.5(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: $exec_lo = S_OR_B32 $exec_lo, [[S_XOR_B32_3]], implicit-def $scc
; GFX10-NEXT: [[DEF2:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
; GFX10-NEXT: [[S_MOV_B32_3:%[0-9]+]]:sreg_32 = S_MOV_B32 16
; GFX10-NEXT: [[S_MOV_B32_4:%[0-9]+]]:sreg_32 = S_MOV_B32 4
; GFX10-NEXT: [[V_LSHL_ADD_U32_e64_:%[0-9]+]]:vgpr_32 = nuw nsw V_LSHL_ADD_U32_e64 [[V_LSHRREV_B32_e64_]], [[S_MOV_B32_4]], killed [[S_MOV_B32_3]], implicit $exec
; GFX10-NEXT: S_BRANCH %bb.5
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.5:
; GFX10-NEXT: $exec_lo = S_OR_B32 $exec_lo, [[DEF2]], implicit-def $scc
; GFX10-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.4(0x40000000), %bb.5(0x40000000)
%0:sgpr_32 = IMPLICIT_DEF
%14:sreg_32 = IMPLICIT_DEF
%15:vgpr_32 = IMPLICIT_DEF
%16:sreg_32 = S_MOV_B32 8
%17:vgpr_32 = V_LSHRREV_B32_e64 %16, %15, implicit $exec
%18:vgpr_32 = V_BFE_U32_e64 %15, 8, 5, implicit $exec
%19:sreg_32 = S_MOV_B32 5
%20:sreg_32 = V_CMP_NE_U32_e64 %18, killed %19, implicit $exec
%21:sreg_32 = S_XOR_B32 %20, -1, implicit-def $scc
%22:sreg_32 = S_AND_B32 %21, $exec_lo, implicit-def $scc
%23:sreg_32 = S_XOR_B32 $exec_lo, %22, implicit-def $scc
$exec_lo = S_MOV_B32_term %22
S_CBRANCH_EXECZ %bb.5, implicit $exec
S_BRANCH %bb.4
bb.4:
successors: %bb.5(0x80000000)
S_BRANCH %bb.5
bb.5:
successors: %bb.6(0x40000000), %bb.7(0x40000000)
$exec_lo = S_OR_B32 $exec_lo, %23, implicit-def $scc
%24:sreg_32 = S_MOV_B32 31
%25:sreg_32 = V_CMP_NE_U32_e64 %18, killed %24, implicit $exec
%26:sreg_32 = S_XOR_B32 %25, -1, implicit-def $scc
%27:sreg_32 = S_AND_B32 %26, $exec_lo, implicit-def $scc
%28:sreg_32 = S_XOR_B32 $exec_lo, %27, implicit-def $scc
$exec_lo = S_MOV_B32_term %27
S_CBRANCH_EXECZ %bb.7, implicit $exec
S_BRANCH %bb.6
bb.6:
successors: %bb.7(0x80000000)
S_BRANCH %bb.7
bb.7:
successors: %bb.8(0x80000000)
$exec_lo = S_OR_B32 $exec_lo, %28, implicit-def $scc
%29:sreg_32 = S_MOV_B32 16
%30:sreg_32 = S_MOV_B32 4
%31:vgpr_32 = nuw nsw V_LSHL_ADD_U32_e64 %17, %30, killed %29, implicit $exec
S_BRANCH %bb.8
bb.8:
$exec_lo = S_OR_B32 $exec_lo, %14, implicit-def $scc
S_ENDPGM 0
...
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