1 # RUN: llc --mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs -run-pass si-fold-operands,si-shrink-instructions %s -o - | FileCheck %s 2 --- | 3 define amdgpu_kernel void @test() #0 { 4 ret void 5 } 6 7 attributes #0 = { nounwind } 8 9 ... 10 --- 11 12 # This used to crash / trigger an assertion, because re-scanning the use list 13 # after constant-folding the definition of %3 lead to the definition of %2 14 # being processed twice. 15 16 # CHECK-LABEL: name: test 17 # CHECK: %2:vgpr_32 = V_LSHLREV_B32_e32 2, killed %0, implicit $exec 18 # CHECK: %4:vgpr_32 = V_AND_B32_e32 8, killed %2, implicit $exec 19 20 name: test 21 tracksRegLiveness: true 22 registers: 23 - { id: 0, class: vgpr_32 } 24 - { id: 1, class: sreg_32 } 25 - { id: 2, class: vgpr_32 } 26 - { id: 3, class: sreg_32 } 27 - { id: 4, class: vgpr_32 } 28 - { id: 5, class: sreg_128 } 29 body: | 30 bb.0 (%ir-block.0): 31 %0 = IMPLICIT_DEF 32 %1 = S_MOV_B32 2 33 %2 = V_LSHLREV_B32_e64 %1, killed %0, implicit $exec 34 %3 = S_LSHL_B32 %1, killed %1, implicit-def dead $scc 35 %4 = V_AND_B32_e64 killed %2, killed %3, implicit $exec 36 %5 = IMPLICIT_DEF 37 BUFFER_STORE_DWORD_OFFSET killed %4, killed %5, 0, 0, 0, 0, 0, implicit $exec 38 S_ENDPGM 39 40 ... 41
