1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -run-pass arm-mve-vpt %s -o - -verify-machineinstrs | FileCheck %s
3
4# Check we remove kill flags when combining VCMP into a VPST
5
6--- |
7  define i32 @b() {
8    ret i32 undef
9  }
10
11...
12---
13name:            b
14tracksRegLiveness: true
15body:             |
16  bb.0:
17    liveins: $r0, $r1, $r4, $r6, $r7, $lr
18
19    ; CHECK-LABEL: name: b
20    ; CHECK: liveins: $r0, $r1, $r4, $r6, $r7, $lr
21    ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r6, killed $r7, killed $lr
22    ; CHECK: renamable $q0 = MVE_VMOVimmi32 0, 0, $noreg, undef renamable $q0
23    ; CHECK: renamable $q1 = MVE_VMOVimmi32 1, 0, $noreg, undef renamable $q1
24    ; CHECK: renamable $q2 = MVE_VADD_qr_i32 renamable $q1, renamable $r1, 0, $noreg, undef renamable $q2
25    ; CHECK: BUNDLE implicit-def dead $vpr, implicit-def $q0, implicit-def $d0, implicit-def $s0, implicit-def $s1, implicit-def $d1, implicit-def $s2, implicit-def $s3, implicit killed $q0, implicit $q1, implicit killed $q2 {
26    ; CHECK:   MVE_VPTv4u32 8, renamable $q0, renamable $q1, 8, implicit-def $vpr
27    ; CHECK:   renamable $q0 = MVE_VORR killed renamable $q0, killed renamable $q2, 1, internal killed renamable $vpr, renamable $q0
28    ; CHECK: }
29    ; CHECK: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r6, def $r7, def $pc, implicit undef $r0
30    $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r6, killed $r7, killed $lr
31    renamable $q0 = MVE_VMOVimmi32 0, 0, $noreg, undef renamable $q0
32    renamable $q1 = MVE_VMOVimmi32 1, 0, $noreg, undef renamable $q1
33    renamable $vpr = MVE_VCMPu32 renamable $q0, renamable $q1, 8, 0, $noreg
34    renamable $q2 = MVE_VADD_qr_i32 killed renamable $q1, renamable $r1, 0, $noreg, undef renamable $q2
35    renamable $q0 = MVE_VORR killed renamable $q0, killed renamable $q2, 1, killed renamable $vpr, renamable $q0
36    $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r6, def $r7, def $pc, implicit undef $r0
37
38...
39