1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -o - %s -mtriple=armv7s-- -run-pass=machine-cp | FileCheck %s
4 # Test that machine copy prop recognizes the implicit-def operands on a COPY
5 # as clobbering the register.
6 # The following two COPYs must not be removed
10 ; CHECK-LABEL: name: func
11 ; CHECK: $d2 = VMOVv2i32 2, 14 /* CC::al */, $noreg
12 ; CHECK: $s5 = COPY $s0, implicit $q1, implicit-def $q1
13 ; CHECK: VST1q32 $r0, 0, $q1, 14 /* CC::al */, $noreg
14 ; CHECK: $s4 = COPY $s20, implicit-def $q1
15 ; CHECK: $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1
16 ; CHECK: VST1q32 $r2, 0, $q1, 14 /* CC::al */, $noreg
17 $d2 = VMOVv2i32 2, 14, $noreg
18 $s5 = COPY $s0, implicit $q1, implicit-def $q1
19 VST1q32 $r0, 0, $q1, 14, $noreg
20 $s4 = COPY $s20, implicit-def $q1
21 $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1
22 VST1q32 $r2, 0, $q1, 14, $noreg