1 # RUN: llc -march=amdgcn -verify-machineinstrs -run-pass post-RA-sched %s -o - | FileCheck %s
3 # This tests a situation where a sub-register of a killed super-register operand
4 # of V_MOVRELS happens to have an undef use later on. This leads to the post RA
5 # scheduler adding additional implicit operands to the V_MOVRELS, which used
6 # to fail machine instruction verification.
10 define amdgpu_vs void @main(i32 %arg) { ret void }
14 # CHECK-LABEL: name: main
16 # CHECK: V_MOVRELS_B32_e32
17 # CHECK: V_MAC_F32_e32
20 tracksRegLiveness: true
23 $m0 = S_MOV_B32 undef $sgpr0
24 V_MOVRELD_B32_e32 undef $vgpr2, 0, implicit $m0, implicit $exec, implicit-def $vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8, implicit undef $vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8(tied-def 4)
25 $m0 = S_MOV_B32 undef $sgpr0
26 $vgpr1 = V_MOVRELS_B32_e32 undef $vgpr1, implicit $m0, implicit $exec, implicit killed $vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8
27 $vgpr4 = V_MAC_F32_e32 undef $vgpr0, undef $vgpr0, undef $vgpr4, implicit $exec
28 EXP_DONE 15, undef $vgpr0, killed $vgpr1, killed $vgpr4, undef $vgpr0, 0, 0, 12, implicit $exec