# RUN: llc -o - %s -mtriple=armv7s-- -run-pass=machine-cp | FileCheck %s --- # Test that machine copy prop recognizes the implicit-def operands on a COPY # as clobbering the register. # CHECK-LABEL: name: func # CHECK: $d2 = VMOVv2i32 2, 14, $noreg # CHECK: $s5 = COPY $s0, implicit $q1, implicit-def $q1 # CHECK: VST1q32 $r0, 0, $q1, 14, $noreg # The following two COPYs must not be removed # CHECK: $s4 = COPY $s20, implicit-def $q1 # CHECK: $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1 # CHECK: VST1q32 $r2, 0, $q1, 14, $noreg name: func body: | bb.0: $d2 = VMOVv2i32 2, 14, $noreg $s5 = COPY $s0, implicit $q1, implicit-def $q1 VST1q32 $r0, 0, $q1, 14, $noreg $s4 = COPY $s20, implicit-def $q1 $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1 VST1q32 $r2, 0, $q1, 14, $noreg ...