| # RUN: llc -march=amdgcn -start-after=greedy -disable-copyprop -stop-after=si-optimize-exec-masking -o - %s | FileCheck %s | 
 | # Check that we first do all vector instructions and only then change exec | 
 | # CHECK-DAG:  COPY $vgpr10_vgpr11 | 
 | # CHECK-DAG:  COPY $vgpr12_vgpr13 | 
 | # CHECK:      $exec = COPY | 
 |  | 
 | --- | 
 | name:            main | 
 | alignment:       1 | 
 | exposesReturnsTwice: false | 
 | legalized:       false | 
 | regBankSelected: false | 
 | selected:        false | 
 | tracksRegLiveness: true | 
 | liveins: | 
 |   - { reg: '$sgpr4_sgpr5' } | 
 |   - { reg: '$sgpr6' } | 
 |   - { reg: '$vgpr0' } | 
 | frameInfo: | 
 |   isFrameAddressTaken: false | 
 |   isReturnAddressTaken: false | 
 |   hasStackMap:     false | 
 |   hasPatchPoint:   false | 
 |   stackSize:       0 | 
 |   offsetAdjustment: 0 | 
 |   maxAlignment:    4 | 
 |   adjustsStack:    false | 
 |   hasCalls:        false | 
 |   maxCallFrameSize: 0 | 
 |   hasOpaqueSPAdjustment: false | 
 |   hasVAStart:      false | 
 |   hasMustTailInVarArgFunc: false | 
 | body:             | | 
 |   bb.0.entry: | 
 |     liveins: $vgpr3, $vgpr10_vgpr11, $vgpr12_vgpr13 | 
 |  | 
 |     $vcc = V_CMP_NE_U32_e64 0, killed $vgpr3, implicit $exec | 
 |     $sgpr4_sgpr5 = COPY $exec, implicit-def $exec | 
 |     $sgpr6_sgpr7 = S_AND_B64 $sgpr4_sgpr5, killed $vcc, implicit-def dead $scc | 
 |     $sgpr4_sgpr5 = S_XOR_B64 $sgpr6_sgpr7, killed $sgpr4_sgpr5, implicit-def dead $scc | 
 |     $vgpr61_vgpr62 = COPY $vgpr10_vgpr11 | 
 |     $vgpr155_vgpr156 = COPY $vgpr12_vgpr13 | 
 |     $exec = S_MOV_B64_term killed $sgpr6_sgpr7 | 
 | ... |