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1# REQUIRES: amdgpu-registered-target2# RUN: llvm-reduce -abort-on-invalid-reduction -simplify-mir --delta-passes=instructions -mtriple=amdgcn-amd-amdhsa --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2> %t.log3# RUN: FileCheck --check-prefix=RESULT %s < %t4 5# CHECK-INTERESTINGNESS-LABEL: name: dead_def6# CHECK-INTERESTINGNESS: S_ENDPGM7 8# Make sure no IMPLICIT_DEF is introduced for dead operands.9# RESULT: bb.010# RESULT-NEXT: S_ENDPGM11 12---13name: dead_def14tracksRegLiveness: true15body: |16 bb.0:17 S_WAITCNT 018 dead %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec19 S_ENDPGM 020...21 22# CHECK-INTERESTINGNESS-LABEL: name: prev_def_rc_is_dead23# CHECK-INTERESTINGNESS: V_MOV_B32_e3224# CHECK-INTERESTINGNESS: V_MOV_B32_e3225# CHECK-INTERESTINGNESS: V_MOV_B32_e3226 27# RESULT: %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec28# RESULT-NEXT: dead %1:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec29# RESULT-NEXT: %2:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec30---31name: prev_def_rc_is_dead32tracksRegLiveness: true33body: |34 bb.0:35 S_WAITCNT 036 %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec37 dead %1:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec38 %2:vgpr_32 = V_MOV_B32_e32 %0, implicit $exec39 S_ENDPGM 0, implicit %240...41