1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple thumbv6m-arm-none-eabi -run-pass regallocbasic %s -o - | FileCheck %s 3# RUN: llc -mtriple thumbv6m-arm-none-eabi -run-pass greedy %s -o - | FileCheck %s 4# RUN: llc -mtriple thumbv6m-arm-none-eabi -run-pass regallocfast %s -o - | FileCheck %s --check-prefix=FAST 5# RUN: llc -mtriple thumbv6m-arm-none-eabi -passes=regallocfast %s -o - | FileCheck %s --check-prefix=FAST 6 7... 8--- 9name: constraint_h 10alignment: 2 11tracksRegLiveness: true 12registers: 13 - { id: 0, class: tgpr } 14 - { id: 1, class: hgpr } 15 - { id: 2, class: tgpr } 16liveins: 17 - { reg: '$r0', virtual-reg: '%0' } 18frameInfo: 19 maxAlignment: 4 20 maxCallFrameSize: 0 21 localFrameSize: 4 22stack: 23 - { id: 0, size: 4, alignment: 4, local-offset: -4 } 24machineFunctionInfo: {} 25body: | 26 bb.0.entry: 27 liveins: $r0 28 29 ; CHECK-LABEL: name: constraint_h 30 ; CHECK: liveins: $r0 31 ; CHECK: [[COPY:%[0-9]+]]:tgpr = COPY $r0 32 ; CHECK: tSTRspi [[COPY]], %stack.0, 0, 14 /* CC::al */, $noreg 33 ; CHECK: [[tLDRspi:%[0-9]+]]:tgpr = tLDRspi %stack.0, 0, 14 /* CC::al */, $noreg 34 ; CHECK: [[COPY1:%[0-9]+]]:hgpr = COPY [[tLDRspi]] 35 ; CHECK: INLINEASM &"mov r12, $0", 1 /* sideeffect attdialect */, 1048585 /* reguse:GPRnoip_and_GPRnopc */, %1, 12 /* clobber */, implicit-def early-clobber $r12 36 ; CHECK: tBX_RET 14 /* CC::al */, $noreg 37 ; FAST-LABEL: name: constraint_h 38 ; FAST: liveins: $r0 39 ; FAST: tSTRspi killed renamable $r0, %stack.0, 0, 14 /* CC::al */, $noreg 40 ; FAST: renamable $r0 = tLDRspi %stack.0, 0, 14 /* CC::al */, $noreg 41 ; FAST: renamable $r8 = COPY killed renamable $r0 42 ; FAST: INLINEASM &"mov r12, $0", 1 /* sideeffect attdialect */, 1048585 /* reguse:GPRnoip_and_GPRnopc */, killed renamable $r8, 12 /* clobber */, implicit-def dead early-clobber $r12 43 ; FAST: tBX_RET 14 /* CC::al */, $noreg 44 %0:tgpr = COPY $r0 45 tSTRspi %0, %stack.0, 0, 14 /* CC::al */, $noreg 46 %2:tgpr = tLDRspi %stack.0, 0, 14 /* CC::al */, $noreg 47 %1:hgpr = COPY %2 48 INLINEASM &"mov r12, $0", 1 /* sideeffect attdialect */, 1048585 /* reguse:hGPR */, %1, 12 /* clobber */, implicit-def early-clobber $r12 49 tBX_RET 14 /* CC::al */, $noreg 50 51... 52