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1# RUN: llc -mtriple=thumbv6m--eabi -verify-machineinstrs -run-pass=arm-ldst-opt %s -o - | FileCheck %s2 3# Make sure bb.0 isn't transformed: it would incorrectly clobber CPSR.4#5# Make sure bb.1 is transformed, so the test doesn't accidentally break.6 7# CHECK-LABEL: bb.0:8# CHECK: renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg :: (load (s32))9# CHECK: renamable $r1 = tLDRi renamable $r4, 1, 14 /* CC::al */, $noreg :: (load (s32))10 11# CHECK-LABEL: bb.1:12# CHECK: $r4 = tLDMIA_UPD $r4, 14 /* CC::al */, $noreg, def $r0, def $r113# CHECK: $r4, dead $cpsr = tSUBi8 $r4, 8, 14 /* CC::al */, $noreg14 15name: foo16tracksRegLiveness: true17body: |18 bb.0:19 liveins: $r2, $r420 renamable $r0 = tLDRi renamable $r2, 4, 14, $noreg :: (load (s32))21 dead renamable $r0, $cpsr = tADDi3 killed renamable $r0, 1, 14, $noreg22 renamable $r0 = tLDRi renamable $r4, 0, 14, $noreg :: (load (s32))23 renamable $r1 = tLDRi renamable $r4, 1, 14, $noreg :: (load (s32))24 tBcc %bb.1, 0, killed $cpsr25 bb.1:26 liveins: $r2, $r427 renamable $r0 = tLDRi renamable $r2, 4, 14, $noreg :: (load (s32))28 dead renamable $r0, $cpsr = tADDi3 killed renamable $r0, 1, 14, $noreg29 renamable $r0 = tLDRi renamable $r4, 0, 14, $noreg :: (load (s32))30 renamable $r1 = tLDRi renamable $r4, 1, 14, $noreg :: (load (s32))31 bb.2:32 liveins: $r433 tTRAP34