# 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, _ # CHECK: %s5 = COPY %s0, implicit %q1, implicit-def %q1 # CHECK: VST1q32 %r0, 0, %q1, 14, _ # 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, _ name: func body: | bb.0: %d2 = VMOVv2i32 2, 14, _ %s5 = COPY %s0, implicit %q1, implicit-def %q1 VST1q32 %r0, 0, %q1, 14, _ %s4 = COPY %s20, implicit-def %q1 %s5 = COPY %s0, implicit killed %d0, implicit %q1, implicit-def %q1 VST1q32 %r2, 0, %q1, 14, _ ...