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# RUN: llc -mtriple=thumbv6m--eabi -verify-machineinstrs -run-pass=arm-ldst-opt %s -o - | FileCheck %s
# Make sure bb.0 isn't transformed: it would incorrectly clobber CPSR.
#
# Make sure bb.1 is transformed, so the test doesn't accidentally break.
# CHECK-LABEL: bb.0:
# CHECK: renamable $r0 = tLDRi renamable $r4, 0, 14, $noreg :: (load 4)
# CHECK: renamable $r1 = tLDRi renamable $r4, 1, 14, $noreg :: (load 4)
# CHECK-LABEL: bb.1:
# CHECK: $r4 = tLDMIA_UPD $r4, 14, $noreg, def $r0, def $r1
# CHECK: $r4, dead $cpsr = tSUBi8 $r4, 8, 14, $noreg
name: foo
tracksRegLiveness: true
body: |
bb.0:
liveins: $r2, $r4
renamable $r0 = tLDRi renamable $r2, 4, 14, $noreg :: (load 4)
dead renamable $r0, $cpsr = tADDi3 killed renamable $r0, 1, 14, $noreg
renamable $r0 = tLDRi renamable $r4, 0, 14, $noreg :: (load 4)
renamable $r1 = tLDRi renamable $r4, 1, 14, $noreg :: (load 4)
tBcc %bb.1, 0, killed $cpsr
bb.1:
liveins: $r2, $r4
renamable $r0 = tLDRi renamable $r2, 4, 14, $noreg :: (load 4)
dead renamable $r0, $cpsr = tADDi3 killed renamable $r0, 1, 14, $noreg
renamable $r0 = tLDRi renamable $r4, 0, 14, $noreg :: (load 4)
renamable $r1 = tLDRi renamable $r4, 1, 14, $noreg :: (load 4)
bb.2:
liveins: $r4
tTRAP
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