1 # RUN: llc -o - %s -mtriple=armv7s-- -run-pass=machine-cp | FileCheck %s
3 # Test that machine copy prop recognizes the implicit-def operands on a COPY
4 # as clobbering the register.
5 # CHECK-LABEL: name: func
6 # CHECK: $d2 = VMOVv2i32 2, 14, $noreg
7 # CHECK: $s5 = COPY $s0, implicit $q1, implicit-def $q1
8 # CHECK: VST1q32 $r0, 0, $q1, 14, $noreg
9 # The following two COPYs must not be removed
10 # CHECK: $s4 = COPY $s20, implicit-def $q1
11 # CHECK: $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1
12 # CHECK: VST1q32 $r2, 0, $q1, 14, $noreg
16 $d2 = VMOVv2i32 2, 14, $noreg
17 $s5 = COPY $s0, implicit $q1, implicit-def $q1
18 VST1q32 $r0, 0, $q1, 14, $noreg
19 $s4 = COPY $s20, implicit-def $q1
20 $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1
21 VST1q32 $r2, 0, $q1, 14, $noreg