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# Check that the backend properly tracks debug-instr-references across the
# copy-physregs pass.
#
# RUN: llc %s -mtriple=s390x-linux-gnu -run-pass=systemz-copy-physregs \
# RUN: -o - 2>&1 | FileCheck %s
# COPY 1: Copy VirtReg to AR
# COPY 2: Copy AR to VirtReg
# COPY 3: Copy CC to VirtReg
# CHECK: name: foo
# CHECK: debugValueSubstitutions:
# these are the correct substitutions
# CHECK-NEXT: - { srcinst: 1, srcop: 0, dstinst: 4, dstop: 0, subreg: 0 }
# we also need to make sure that these are the only substitutions
# CHECK-NEXT: constants: []
name: foo
body: |
bb.0:
liveins: $a1
COPY def $a1, %1:gr32bit, debug-instr-number 1
COPY def %2:gr32bit, $a1, debug-instr-number 2
COPY def %3:gr32bit, $cc, debug-instr-number 3
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