# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64 -run-pass=machine-sink -sink-insts-to-avoid-spills -aarch64-enable-sink-fold=true %s -o - 2>&1 | FileCheck %s --- | target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" target triple = "aarch64" %struct.A = type { i32, i32, i32, i32, i32, i32 } @A = external dso_local global [100 x i32], align 4 define void @cant_sink_adds_call_in_block(ptr nocapture readonly %input, ptr %a) { bb: %i = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 1 %i1 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 2 %i2 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 3 %i3 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 4 %i4 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 5 %scevgep = getelementptr i8, ptr %input, i64 1 br label %.backedge .backedge: ; preds = %.backedge.backedge, %bb %lsr.iv = phi ptr [ %scevgep1, %.backedge.backedge ], [ %scevgep, %bb ] %i5 = load i8, ptr %lsr.iv, align 1 %i6 = zext i8 %i5 to i32 switch i32 %i6, label %.backedge.backedge [ i32 0, label %bb7 i32 10, label %bb9 i32 20, label %bb10 i32 30, label %bb11 i32 40, label %bb12 i32 50, label %bb13 ] bb7: ; preds = %.backedge tail call void @_Z6assignPj(ptr %a) br label %.backedge.backedge bb9: ; preds = %.backedge tail call void @_Z6assignPj(ptr %i) br label %.backedge.backedge bb10: ; preds = %.backedge tail call void @_Z6assignPj(ptr %i1) br label %.backedge.backedge bb11: ; preds = %.backedge tail call void @_Z6assignPj(ptr %i2) br label %.backedge.backedge bb12: ; preds = %.backedge tail call void @_Z6assignPj(ptr %i3) br label %.backedge.backedge bb13: ; preds = %.backedge tail call void @_Z6assignPj(ptr %i4) br label %.backedge.backedge .backedge.backedge: ; preds = %bb13, %bb12, %bb11, %bb10, %bb9, %bb7, %.backedge %scevgep1 = getelementptr i8, ptr %lsr.iv, i64 1 br label %.backedge } define i32 @load_not_safe_to_move_consecutive_call(i32 %n) { entry: %cmp63 = icmp sgt i32 %n, 0 br i1 %cmp63, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i = load i32, ptr @A, align 4 %call0 = tail call i32 @use(i32 %n) br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] ret i32 %sum.0.lcssa for.body: ; preds = %for.body, %for.body.preheader %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.065 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.065, %i %lsr.iv.next = add i32 %lsr.iv, -1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } define i32 @load_not_safe_to_move_consecutive_call_use(i32 %n) { entry: %cmp63 = icmp sgt i32 %n, 0 br i1 %cmp63, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i = load i32, ptr @A, align 4 %call0 = tail call i32 @use(i32 %i) br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] ret i32 %sum.0.lcssa for.body: ; preds = %for.body, %for.body.preheader %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.065 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.065, %i %lsr.iv.next = add i32 %lsr.iv, -1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } define i32 @cant_sink_use_outside_loop(i32 %n) { entry: %cmp63 = icmp sgt i32 %n, 0 br i1 %cmp63, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i = load i32, ptr @A, align 4 br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] %use.outside.loop = phi i32 [ 0, %entry ], [ %i, %for.body ] %call = tail call i32 @use(i32 %use.outside.loop) ret i32 %sum.0.lcssa for.body: ; preds = %for.body, %for.body.preheader %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.065 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.065, %sum.065 %lsr.iv.next = add i32 %lsr.iv, -1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } define i32 @use_is_not_a_copy(i32 %n) { entry: %cmp63 = icmp sgt i32 %n, 0 br i1 %cmp63, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i = load i32, ptr @A, align 4 br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] ret i32 %sum.0.lcssa for.body: ; preds = %for.body, %for.body.preheader %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.065 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.065, %i %lsr.iv.next = add i32 %lsr.iv, -1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } define dso_local void @sink_add(ptr noalias nocapture readonly %read, ptr noalias nocapture %write, i32 %n) local_unnamed_addr { entry: %i = load i32, ptr %read, align 4, !tbaa !0 %cmp10 = icmp sgt i32 %n, 0 br i1 %cmp10, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i1 = add i32 %i, 42 br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] store i32 %sum.0.lcssa, ptr %write, align 4, !tbaa !0 ret void for.body: ; preds = %for.body, %for.body.preheader %lsr.iv1 = phi i32 [ %i1, %for.body.preheader ], [ %lsr.iv.next2, %for.body ] %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.011 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.011, %lsr.iv1 %lsr.iv.next = add i32 %lsr.iv, -1 %lsr.iv.next2 = add i32 %lsr.iv1, 1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } define dso_local void @store_after_add(ptr noalias nocapture readonly %read, ptr noalias nocapture %write, ptr nocapture %store, i32 %n) local_unnamed_addr { entry: %i = load i32, ptr %read, align 4, !tbaa !0 %cmp10 = icmp sgt i32 %n, 0 br i1 %cmp10, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i1 = add i32 %i, 42 store i32 43, ptr %store, align 4, !tbaa !0 br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] store i32 %sum.0.lcssa, ptr %write, align 4, !tbaa !0 ret void for.body: ; preds = %for.body, %for.body.preheader %lsr.iv1 = phi i32 [ %i1, %for.body.preheader ], [ %lsr.iv.next2, %for.body ] %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.011 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.011, %lsr.iv1 %lsr.iv.next = add i32 %lsr.iv, -1 %lsr.iv.next2 = add i32 %lsr.iv1, 1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body, !llvm.loop !4 } define dso_local void @aliased_store_after_add(ptr noalias nocapture readonly %read, ptr noalias nocapture %write, ptr nocapture %store, i32 %n) local_unnamed_addr { entry: %i = load i32, ptr %read, align 4, !tbaa !0 %cmp10 = icmp sgt i32 %n, 0 br i1 %cmp10, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: ; preds = %entry %i1 = add i32 %i, 42 store i32 43, ptr %read, align 4, !tbaa !0 br label %for.body for.cond.cleanup: ; preds = %for.body, %entry %sum.0.lcssa = phi i32 [ %n, %entry ], [ %div, %for.body ] store i32 %sum.0.lcssa, ptr %write, align 4, !tbaa !0 ret void for.body: ; preds = %for.body, %for.body.preheader %lsr.iv1 = phi i32 [ %i1, %for.body.preheader ], [ %lsr.iv.next2, %for.body ] %lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ] %sum.011 = phi i32 [ %div, %for.body ], [ %n, %for.body.preheader ] %div = sdiv i32 %sum.011, %lsr.iv1 %lsr.iv.next = add i32 %lsr.iv, -1 %lsr.iv.next2 = add i32 %lsr.iv1, 1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body, !llvm.loop !4 } declare i32 @use(i32) declare void @_Z6assignPj(ptr) !0 = !{!1, !1, i64 0} !1 = !{!"int", !2, i64 0} !2 = !{!"omnipotent char", !3, i64 0} !3 = !{!"Simple C/C++ TBAA"} !4 = distinct !{!4, !5} !5 = !{!"llvm.loop.mustprogress"} ... --- name: cant_sink_adds_call_in_block alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr64all, preferred-register: '' } - { id: 1, class: gpr64all, preferred-register: '' } - { id: 2, class: gpr64all, preferred-register: '' } - { id: 3, class: gpr64all, preferred-register: '' } - { id: 4, class: gpr64all, preferred-register: '' } - { id: 5, class: gpr64all, preferred-register: '' } - { id: 6, class: gpr64sp, preferred-register: '' } - { id: 7, class: gpr64all, preferred-register: '' } - { id: 8, class: gpr64common, preferred-register: '' } - { id: 9, class: gpr64common, preferred-register: '' } - { id: 10, class: gpr64sp, preferred-register: '' } - { id: 11, class: gpr64sp, preferred-register: '' } - { id: 12, class: gpr64sp, preferred-register: '' } - { id: 13, class: gpr64sp, preferred-register: '' } - { id: 14, class: gpr64sp, preferred-register: '' } - { id: 15, class: gpr64sp, preferred-register: '' } - { id: 16, class: gpr64, preferred-register: '' } - { id: 17, class: gpr32, preferred-register: '' } - { id: 18, class: gpr32sp, preferred-register: '' } - { id: 19, class: gpr32, preferred-register: '' } - { id: 20, class: gpr64common, preferred-register: '' } - { id: 21, class: gpr64, preferred-register: '' } - { id: 22, class: gpr64sp, preferred-register: '' } - { id: 23, class: gpr64sp, preferred-register: '' } liveins: - { reg: '$x0', virtual-reg: '%8' } - { reg: '$x1', virtual-reg: '%9' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: true hasCalls: true stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} jumpTable: kind: block-address entries: - id: 0 blocks: [ '%bb.2', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.3', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.4', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.5', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.6', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.8', '%bb.7' ] body: | ; CHECK-LABEL: name: cant_sink_adds_call_in_block ; CHECK: bb.0.bb: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x1 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x0 ; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64sp = ADDXri [[COPY1]], 1, 0 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64all = COPY [[ADDXri]] ; CHECK-NEXT: [[MOVaddrJT:%[0-9]+]]:gpr64common = MOVaddrJT target-flags(aarch64-page) %jump-table.0, target-flags(aarch64-pageoff, aarch64-nc) %jump-table.0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1..backedge: ; CHECK-NEXT: successors: %bb.9(0x09249249), %bb.2(0x76db6db7) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr64sp = PHI [[COPY2]], %bb.0, %7, %bb.9 ; CHECK-NEXT: [[LDRBBui:%[0-9]+]]:gpr32 = LDRBBui [[PHI]], 0 :: (load (s8) from %ir.lsr.iv) ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, killed [[LDRBBui]], %subreg.sub_32 ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr32sp = COPY [[SUBREG_TO_REG]].sub_32 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri killed [[COPY3]], 50, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 8, %bb.9, implicit $nzcv ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2..backedge: ; CHECK-NEXT: successors: %bb.3(0x13b13b14), %bb.9(0x09d89d8a), %bb.4(0x13b13b14), %bb.5(0x13b13b14), %bb.6(0x13b13b14), %bb.7(0x13b13b14), %bb.8(0x13b13b14) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: early-clobber %21:gpr64, early-clobber %22:gpr64sp = JumpTableDest32 [[MOVaddrJT]], [[SUBREG_TO_REG]], %jump-table.0 ; CHECK-NEXT: BR killed %21 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.bb7: ; CHECK-NEXT: successors: %bb.9(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $x0 = COPY [[COPY]] ; CHECK-NEXT: BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.bb9: ; CHECK-NEXT: successors: %bb.9(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $x0 = nuw ADDXri [[COPY]], 4, 0 ; CHECK-NEXT: BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5.bb10: ; CHECK-NEXT: successors: %bb.9(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $x0 = nuw ADDXri [[COPY]], 8, 0 ; CHECK-NEXT: BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.6.bb11: ; CHECK-NEXT: successors: %bb.9(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $x0 = nuw ADDXri [[COPY]], 12, 0 ; CHECK-NEXT: BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.7.bb12: ; CHECK-NEXT: successors: %bb.9(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $x0 = nuw ADDXri [[COPY]], 16, 0 ; CHECK-NEXT: BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.8.bb13: ; CHECK-NEXT: successors: %bb.9(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $x0 = nuw ADDXri [[COPY]], 20, 0 ; CHECK-NEXT: BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.9..backedge.backedge: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[ADDXri1:%[0-9]+]]:gpr64sp = ADDXri [[PHI]], 1, 0 ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr64all = COPY [[ADDXri1]] ; CHECK-NEXT: B %bb.1 bb.0 (%ir-block.bb): successors: %bb.1(0x80000000) liveins: $x0, $x1 %9:gpr64common = COPY $x1 %8:gpr64common = COPY $x0 %10:gpr64sp = nuw ADDXri %9, 4, 0 %0:gpr64all = COPY %10 %11:gpr64sp = nuw ADDXri %9, 8, 0 %1:gpr64all = COPY %11 %12:gpr64sp = nuw ADDXri %9, 12, 0 %2:gpr64all = COPY %12 %13:gpr64sp = nuw ADDXri %9, 16, 0 %3:gpr64all = COPY %13 %14:gpr64sp = nuw ADDXri %9, 20, 0 %4:gpr64all = COPY %14 %15:gpr64sp = ADDXri %8, 1, 0 %5:gpr64all = COPY %15 %20:gpr64common = MOVaddrJT target-flags(aarch64-page) %jump-table.0, target-flags(aarch64-pageoff, aarch64-nc) %jump-table.0 bb.1..backedge: successors: %bb.8(0x09249249), %bb.9(0x76db6db7) %6:gpr64sp = PHI %5, %bb.0, %7, %bb.8 %17:gpr32 = LDRBBui %6, 0 :: (load (s8) from %ir.lsr.iv) %16:gpr64 = SUBREG_TO_REG 0, killed %17, %subreg.sub_32 %18:gpr32sp = COPY %16.sub_32 %19:gpr32 = SUBSWri killed %18, 50, 0, implicit-def $nzcv Bcc 8, %bb.8, implicit $nzcv bb.9..backedge: successors: %bb.2(0x13b13b14), %bb.8(0x09d89d8a), %bb.3(0x13b13b14), %bb.4(0x13b13b14), %bb.5(0x13b13b14), %bb.6(0x13b13b14), %bb.7(0x13b13b14) early-clobber %21:gpr64, early-clobber %22:gpr64sp = JumpTableDest32 %20, %16, %jump-table.0 BR killed %21 bb.2 (%ir-block.bb7): successors: %bb.8(0x80000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = COPY %9 BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.8 bb.3 (%ir-block.bb9): successors: %bb.8(0x80000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = COPY %0 BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.8 bb.4 (%ir-block.bb10): successors: %bb.8(0x80000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = COPY %1 BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.8 bb.5 (%ir-block.bb11): successors: %bb.8(0x80000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = COPY %2 BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.8 bb.6 (%ir-block.bb12): successors: %bb.8(0x80000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = COPY %3 BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.8 bb.7 (%ir-block.bb13): successors: %bb.8(0x80000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $x0 = COPY %4 BL @_Z6assignPj, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp bb.8..backedge.backedge: successors: %bb.1(0x80000000) %23:gpr64sp = ADDXri %6, 1, 0 %7:gpr64all = COPY %23 B %bb.1 ... --- name: load_not_safe_to_move_consecutive_call alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32sp, preferred-register: '' } - { id: 3, class: gpr32, preferred-register: '' } - { id: 4, class: gpr32all, preferred-register: '' } - { id: 5, class: gpr32all, preferred-register: '' } - { id: 6, class: gpr32common, preferred-register: '' } - { id: 7, class: gpr32, preferred-register: '' } - { id: 8, class: gpr64common, preferred-register: '' } - { id: 9, class: gpr32, preferred-register: '' } - { id: 10, class: gpr32all, preferred-register: '' } - { id: 11, class: gpr32, preferred-register: '' } - { id: 12, class: gpr32, preferred-register: '' } liveins: - { reg: '$w0', virtual-reg: '%6' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: true hasCalls: true stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: load_not_safe_to_move_consecutive_call ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[ADRP:%[0-9]+]]:gpr64common = ADRP target-flags(aarch64-page) @A ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui killed [[ADRP]], target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $w0 = COPY [[COPY]] ; CHECK-NEXT: BL @use, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32all = PHI [[COPY]], %bb.0, %4, %bb.3 ; CHECK-NEXT: $w0 = COPY [[PHI]] ; CHECK-NEXT: RET_ReallyLR implicit $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %5, %bb.3 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.1, %4, %bb.3 ; CHECK-NEXT: [[SDIVWr:%[0-9]+]]:gpr32 = SDIVWr [[PHI2]], [[LDRWui]] ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32all = COPY [[SDIVWr]] ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI1]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.3 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $w0 %6:gpr32common = COPY $w0 %7:gpr32 = SUBSWri %6, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %8:gpr64common = ADRP target-flags(aarch64-page) @A %9:gpr32 = LDRWui killed %8, target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $w0 = COPY %6 BL @use, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.3 bb.2.for.cond.cleanup: %1:gpr32all = PHI %6, %bb.0, %4, %bb.3 $w0 = COPY %1 RET_ReallyLR implicit $w0 bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %2:gpr32sp = PHI %6, %bb.1, %5, %bb.3 %3:gpr32 = PHI %6, %bb.1, %4, %bb.3 %11:gpr32 = SDIVWr %3, %9 %4:gpr32all = COPY %11 %12:gpr32 = SUBSWri %2, 1, 0, implicit-def $nzcv %5:gpr32all = COPY %12 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ... --- name: load_not_safe_to_move_consecutive_call_use alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32sp, preferred-register: '' } - { id: 3, class: gpr32, preferred-register: '' } - { id: 4, class: gpr32all, preferred-register: '' } - { id: 5, class: gpr32all, preferred-register: '' } - { id: 6, class: gpr32common, preferred-register: '' } - { id: 7, class: gpr32, preferred-register: '' } - { id: 8, class: gpr64common, preferred-register: '' } - { id: 9, class: gpr32, preferred-register: '' } - { id: 10, class: gpr32all, preferred-register: '' } - { id: 11, class: gpr32, preferred-register: '' } - { id: 12, class: gpr32, preferred-register: '' } liveins: - { reg: '$w0', virtual-reg: '%6' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: true hasCalls: true stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: load_not_safe_to_move_consecutive_call_use ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[ADRP:%[0-9]+]]:gpr64common = ADRP target-flags(aarch64-page) @A ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui killed [[ADRP]], target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $w0 = COPY [[LDRWui]] ; CHECK-NEXT: BL @use, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32all = PHI [[COPY]], %bb.0, %4, %bb.3 ; CHECK-NEXT: $w0 = COPY [[PHI]] ; CHECK-NEXT: RET_ReallyLR implicit $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %5, %bb.3 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.1, %4, %bb.3 ; CHECK-NEXT: [[SDIVWr:%[0-9]+]]:gpr32 = SDIVWr [[PHI2]], [[LDRWui]] ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32all = COPY [[SDIVWr]] ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI1]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.3 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $w0 %6:gpr32common = COPY $w0 %7:gpr32 = SUBSWri %6, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %8:gpr64common = ADRP target-flags(aarch64-page) @A %9:gpr32 = LDRWui killed %8, target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $w0 = COPY %9 BL @use, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp B %bb.3 bb.2.for.cond.cleanup: %1:gpr32all = PHI %6, %bb.0, %4, %bb.3 $w0 = COPY %1 RET_ReallyLR implicit $w0 bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %2:gpr32sp = PHI %6, %bb.1, %5, %bb.3 %3:gpr32 = PHI %6, %bb.1, %4, %bb.3 %11:gpr32 = SDIVWr %3, %9 %4:gpr32all = COPY %11 %12:gpr32 = SUBSWri %2, 1, 0, implicit-def $nzcv %5:gpr32all = COPY %12 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ... --- name: cant_sink_use_outside_loop alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32all, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32all, preferred-register: '' } - { id: 3, class: gpr32sp, preferred-register: '' } - { id: 4, class: gpr32all, preferred-register: '' } - { id: 5, class: gpr32all, preferred-register: '' } - { id: 6, class: gpr32all, preferred-register: '' } - { id: 7, class: gpr32common, preferred-register: '' } - { id: 8, class: gpr32all, preferred-register: '' } - { id: 9, class: gpr32all, preferred-register: '' } - { id: 10, class: gpr32, preferred-register: '' } - { id: 11, class: gpr64common, preferred-register: '' } - { id: 12, class: gpr32, preferred-register: '' } - { id: 13, class: gpr32, preferred-register: '' } - { id: 14, class: gpr32, preferred-register: '' } - { id: 15, class: gpr32all, preferred-register: '' } liveins: - { reg: '$w0', virtual-reg: '%7' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: true hasCalls: true stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: cant_sink_use_outside_loop ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.4(0x30000000) ; CHECK-NEXT: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 10, %bb.1, implicit $nzcv ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32all = COPY $wzr ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32all = COPY [[COPY1]] ; CHECK-NEXT: B %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[ADRP:%[0-9]+]]:gpr64common = ADRP target-flags(aarch64-page) @A ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui killed [[ADRP]], target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr32all = COPY [[LDRWui]] ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32all = PHI [[COPY]], %bb.4, %5, %bb.5 ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32all = PHI [[COPY2]], %bb.4, [[COPY3]], %bb.5 ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $w0 = COPY [[PHI1]] ; CHECK-NEXT: BL @use, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: $w0 = COPY [[PHI]] ; CHECK-NEXT: RET_ReallyLR implicit $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.5(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %6, %bb.3 ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI2]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: Bcc 1, %bb.3, implicit $nzcv ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5: ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1 ; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr32all = COPY [[MOVi32imm]] ; CHECK-NEXT: B %bb.2 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $w0 %7:gpr32common = COPY $w0 %9:gpr32all = COPY $wzr %8:gpr32all = COPY %9 %10:gpr32 = SUBSWri %7, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %11:gpr64common = ADRP target-flags(aarch64-page) @A %12:gpr32 = LDRWui killed %11, target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) %0:gpr32all = COPY %12 B %bb.3 bb.2.for.cond.cleanup: %1:gpr32all = PHI %7, %bb.0, %5, %bb.3 %2:gpr32all = PHI %8, %bb.0, %0, %bb.3 ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp $w0 = COPY %2 BL @use, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp $w0 = COPY %1 RET_ReallyLR implicit $w0 bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %3:gpr32sp = PHI %7, %bb.1, %6, %bb.3 %13:gpr32 = MOVi32imm 1 %5:gpr32all = COPY %13 %14:gpr32 = SUBSWri %3, 1, 0, implicit-def $nzcv %6:gpr32all = COPY %14 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ... --- name: use_is_not_a_copy alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32sp, preferred-register: '' } - { id: 3, class: gpr32, preferred-register: '' } - { id: 4, class: gpr32all, preferred-register: '' } - { id: 5, class: gpr32all, preferred-register: '' } - { id: 6, class: gpr32common, preferred-register: '' } - { id: 7, class: gpr32, preferred-register: '' } - { id: 8, class: gpr64common, preferred-register: '' } - { id: 9, class: gpr32, preferred-register: '' } - { id: 10, class: gpr32, preferred-register: '' } - { id: 11, class: gpr32, preferred-register: '' } liveins: - { reg: '$w0', virtual-reg: '%6' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: use_is_not_a_copy ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[ADRP:%[0-9]+]]:gpr64common = ADRP target-flags(aarch64-page) @A ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui killed [[ADRP]], target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32all = PHI [[COPY]], %bb.0, %4, %bb.3 ; CHECK-NEXT: $w0 = COPY [[PHI]] ; CHECK-NEXT: RET_ReallyLR implicit $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %5, %bb.3 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.1, %4, %bb.3 ; CHECK-NEXT: [[SDIVWr:%[0-9]+]]:gpr32 = SDIVWr [[PHI2]], [[LDRWui]] ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32all = COPY [[SDIVWr]] ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI1]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.3 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $w0 %6:gpr32common = COPY $w0 %7:gpr32 = SUBSWri %6, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %8:gpr64common = ADRP target-flags(aarch64-page) @A %9:gpr32 = LDRWui killed %8, target-flags(aarch64-pageoff, aarch64-nc) @A :: (dereferenceable load (s32) from @A) B %bb.3 bb.2.for.cond.cleanup: %1:gpr32all = PHI %6, %bb.0, %4, %bb.3 $w0 = COPY %1 RET_ReallyLR implicit $w0 bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %2:gpr32sp = PHI %6, %bb.1, %5, %bb.3 %3:gpr32 = PHI %6, %bb.1, %4, %bb.3 %10:gpr32 = SDIVWr %3, %9 %4:gpr32all = COPY %10 %11:gpr32 = SUBSWri %2, 1, 0, implicit-def $nzcv %5:gpr32all = COPY %11 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ... --- name: sink_add alignment: 16 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32sp, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32, preferred-register: '' } - { id: 3, class: gpr32common, preferred-register: '' } - { id: 4, class: gpr32sp, preferred-register: '' } - { id: 5, class: gpr32, preferred-register: '' } - { id: 6, class: gpr32all, preferred-register: '' } - { id: 7, class: gpr32all, preferred-register: '' } - { id: 8, class: gpr32all, preferred-register: '' } - { id: 9, class: gpr64common, preferred-register: '' } - { id: 10, class: gpr64common, preferred-register: '' } - { id: 11, class: gpr32common, preferred-register: '' } - { id: 12, class: gpr32common, preferred-register: '' } - { id: 13, class: gpr32, preferred-register: '' } - { id: 14, class: gpr32sp, preferred-register: '' } - { id: 15, class: gpr32, preferred-register: '' } - { id: 16, class: gpr32, preferred-register: '' } - { id: 17, class: gpr32sp, preferred-register: '' } liveins: - { reg: '$x0', virtual-reg: '%9' } - { reg: '$x1', virtual-reg: '%10' } - { reg: '$w2', virtual-reg: '%11' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: sink_add ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $x0, $x1, $w2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w2 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x1 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64common = COPY $x0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY2]], 0 :: (load (s32) from %ir.read, !tbaa !0) ; CHECK-NEXT: [[ADDWri:%[0-9]+]]:gpr32sp = ADDWri [[LDRWui]], 42, 0 ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr32all = COPY [[ADDWri]] ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.0, %6, %bb.3 ; CHECK-NEXT: STRWui [[PHI]], [[COPY1]], 0 :: (store (s32) into %ir.write, !tbaa !0) ; CHECK-NEXT: RET_ReallyLR ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32common = PHI [[COPY3]], %bb.1, %8, %bb.3 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %7, %bb.3 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.1, %6, %bb.3 ; CHECK-NEXT: [[SDIVWr:%[0-9]+]]:gpr32 = SDIVWr [[PHI3]], [[PHI1]] ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr32all = COPY [[SDIVWr]] ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI2]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: [[ADDWri1:%[0-9]+]]:gpr32sp = ADDWri [[PHI1]], 1, 0 ; CHECK-NEXT: [[COPY6:%[0-9]+]]:gpr32all = COPY [[ADDWri1]] ; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.3 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $x0, $x1, $w2 %11:gpr32common = COPY $w2 %10:gpr64common = COPY $x1 %9:gpr64common = COPY $x0 %12:gpr32common = LDRWui %9, 0 :: (load (s32) from %ir.read, !tbaa !0) %13:gpr32 = SUBSWri %11, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %14:gpr32sp = ADDWri %12, 42, 0 %1:gpr32all = COPY %14 B %bb.3 bb.2.for.cond.cleanup: %2:gpr32 = PHI %11, %bb.0, %6, %bb.3 STRWui %2, %10, 0 :: (store (s32) into %ir.write, !tbaa !0) RET_ReallyLR bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %3:gpr32common = PHI %1, %bb.1, %8, %bb.3 %4:gpr32sp = PHI %11, %bb.1, %7, %bb.3 %5:gpr32 = PHI %11, %bb.1, %6, %bb.3 %15:gpr32 = SDIVWr %5, %3 %6:gpr32all = COPY %15 %16:gpr32 = SUBSWri %4, 1, 0, implicit-def $nzcv %7:gpr32all = COPY %16 %17:gpr32sp = ADDWri %3, 1, 0 %8:gpr32all = COPY %17 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ... --- name: store_after_add alignment: 16 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32sp, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32, preferred-register: '' } - { id: 3, class: gpr32common, preferred-register: '' } - { id: 4, class: gpr32sp, preferred-register: '' } - { id: 5, class: gpr32, preferred-register: '' } - { id: 6, class: gpr32all, preferred-register: '' } - { id: 7, class: gpr32all, preferred-register: '' } - { id: 8, class: gpr32all, preferred-register: '' } - { id: 9, class: gpr64common, preferred-register: '' } - { id: 10, class: gpr64common, preferred-register: '' } - { id: 11, class: gpr64common, preferred-register: '' } - { id: 12, class: gpr32common, preferred-register: '' } - { id: 13, class: gpr32common, preferred-register: '' } - { id: 14, class: gpr32, preferred-register: '' } - { id: 15, class: gpr32, preferred-register: '' } - { id: 16, class: gpr32sp, preferred-register: '' } - { id: 17, class: gpr32, preferred-register: '' } - { id: 18, class: gpr32, preferred-register: '' } - { id: 19, class: gpr32sp, preferred-register: '' } liveins: - { reg: '$x0', virtual-reg: '%9' } - { reg: '$x1', virtual-reg: '%10' } - { reg: '$x2', virtual-reg: '%11' } - { reg: '$w3', virtual-reg: '%12' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: store_after_add ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $x0, $x1, $x2, $w3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w3 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x2 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64common = COPY $x1 ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr64common = COPY $x0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY3]], 0 :: (load (s32) from %ir.read, !tbaa !0) ; CHECK-NEXT: [[ADDWri:%[0-9]+]]:gpr32sp = ADDWri [[LDRWui]], 42, 0 ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr32all = COPY [[ADDWri]] ; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 43 ; CHECK-NEXT: STRWui killed [[MOVi32imm]], [[COPY1]], 0 :: (store (s32) into %ir.store, !tbaa !0) ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.0, %6, %bb.3 ; CHECK-NEXT: STRWui [[PHI]], [[COPY2]], 0 :: (store (s32) into %ir.write, !tbaa !0) ; CHECK-NEXT: RET_ReallyLR ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32common = PHI [[COPY4]], %bb.1, %8, %bb.3 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %7, %bb.3 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.1, %6, %bb.3 ; CHECK-NEXT: [[SDIVWr:%[0-9]+]]:gpr32 = SDIVWr [[PHI3]], [[PHI1]] ; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr32all = COPY [[SDIVWr]] ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI2]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY6:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: [[ADDWri1:%[0-9]+]]:gpr32sp = ADDWri [[PHI1]], 1, 0 ; CHECK-NEXT: [[COPY7:%[0-9]+]]:gpr32all = COPY [[ADDWri1]] ; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.3 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $x0, $x1, $x2, $w3 %12:gpr32common = COPY $w3 %11:gpr64common = COPY $x2 %10:gpr64common = COPY $x1 %9:gpr64common = COPY $x0 %13:gpr32common = LDRWui %9, 0 :: (load (s32) from %ir.read, !tbaa !0) %15:gpr32 = SUBSWri %12, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %16:gpr32sp = ADDWri %13, 42, 0 %1:gpr32all = COPY %16 %14:gpr32 = MOVi32imm 43 STRWui killed %14, %11, 0 :: (store (s32) into %ir.store, !tbaa !0) B %bb.3 bb.2.for.cond.cleanup: %2:gpr32 = PHI %12, %bb.0, %6, %bb.3 STRWui %2, %10, 0 :: (store (s32) into %ir.write, !tbaa !0) RET_ReallyLR bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %3:gpr32common = PHI %1, %bb.1, %8, %bb.3 %4:gpr32sp = PHI %12, %bb.1, %7, %bb.3 %5:gpr32 = PHI %12, %bb.1, %6, %bb.3 %17:gpr32 = SDIVWr %5, %3 %6:gpr32all = COPY %17 %18:gpr32 = SUBSWri %4, 1, 0, implicit-def $nzcv %7:gpr32all = COPY %18 %19:gpr32sp = ADDWri %3, 1, 0 %8:gpr32all = COPY %19 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ... --- name: aliased_store_after_add alignment: 16 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: - { id: 0, class: gpr32sp, preferred-register: '' } - { id: 1, class: gpr32all, preferred-register: '' } - { id: 2, class: gpr32, preferred-register: '' } - { id: 3, class: gpr32common, preferred-register: '' } - { id: 4, class: gpr32sp, preferred-register: '' } - { id: 5, class: gpr32, preferred-register: '' } - { id: 6, class: gpr32all, preferred-register: '' } - { id: 7, class: gpr32all, preferred-register: '' } - { id: 8, class: gpr32all, preferred-register: '' } - { id: 9, class: gpr64common, preferred-register: '' } - { id: 10, class: gpr64common, preferred-register: '' } - { id: 11, class: gpr64common, preferred-register: '' } - { id: 12, class: gpr32common, preferred-register: '' } - { id: 13, class: gpr32common, preferred-register: '' } - { id: 14, class: gpr32, preferred-register: '' } - { id: 15, class: gpr32, preferred-register: '' } - { id: 16, class: gpr32sp, preferred-register: '' } - { id: 17, class: gpr32, preferred-register: '' } - { id: 18, class: gpr32, preferred-register: '' } - { id: 19, class: gpr32sp, preferred-register: '' } liveins: - { reg: '$x0', virtual-reg: '%9' } - { reg: '$x1', virtual-reg: '%10' } - { reg: '$x2', virtual-reg: '%11' } - { reg: '$w3', virtual-reg: '%12' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: aliased_store_after_add ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $x0, $x1, $x2, $w3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w3 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64common = COPY $x2 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64common = COPY $x1 ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr64common = COPY $x0 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.for.body.preheader: ; CHECK-NEXT: successors: %bb.3(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY3]], 0 :: (load (s32) from %ir.read, !tbaa !0) ; CHECK-NEXT: [[ADDWri:%[0-9]+]]:gpr32sp = ADDWri [[LDRWui]], 42, 0 ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr32all = COPY [[ADDWri]] ; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 43 ; CHECK-NEXT: STRWui killed [[MOVi32imm]], [[COPY3]], 0 :: (store (s32) into %ir.read, !tbaa !0) ; CHECK-NEXT: B %bb.3 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.for.cond.cleanup: ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.0, %6, %bb.3 ; CHECK-NEXT: STRWui [[PHI]], [[COPY2]], 0 :: (store (s32) into %ir.write, !tbaa !0) ; CHECK-NEXT: RET_ReallyLR ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.for.body: ; CHECK-NEXT: successors: %bb.2(0x04000000), %bb.3(0x7c000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr32common = PHI [[COPY4]], %bb.1, %8, %bb.3 ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr32sp = PHI [[COPY]], %bb.1, %7, %bb.3 ; CHECK-NEXT: [[PHI3:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.1, %6, %bb.3 ; CHECK-NEXT: [[SDIVWr:%[0-9]+]]:gpr32 = SDIVWr [[PHI3]], [[PHI1]] ; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr32all = COPY [[SDIVWr]] ; CHECK-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI2]], 1, 0, implicit-def $nzcv ; CHECK-NEXT: [[COPY6:%[0-9]+]]:gpr32all = COPY [[SUBSWri1]] ; CHECK-NEXT: [[ADDWri1:%[0-9]+]]:gpr32sp = ADDWri [[PHI1]], 1, 0 ; CHECK-NEXT: [[COPY7:%[0-9]+]]:gpr32all = COPY [[ADDWri1]] ; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv ; CHECK-NEXT: B %bb.3 bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $x0, $x1, $x2, $w3 %12:gpr32common = COPY $w3 %11:gpr64common = COPY $x2 %10:gpr64common = COPY $x1 %9:gpr64common = COPY $x0 %13:gpr32common = LDRWui %9, 0 :: (load (s32) from %ir.read, !tbaa !0) %15:gpr32 = SUBSWri %12, 1, 0, implicit-def $nzcv Bcc 11, %bb.2, implicit $nzcv B %bb.1 bb.1.for.body.preheader: successors: %bb.3(0x80000000) %16:gpr32sp = ADDWri %13, 42, 0 %1:gpr32all = COPY %16 %14:gpr32 = MOVi32imm 43 STRWui killed %14, %9, 0 :: (store (s32) into %ir.read, !tbaa !0) B %bb.3 bb.2.for.cond.cleanup: %2:gpr32 = PHI %12, %bb.0, %6, %bb.3 STRWui %2, %10, 0 :: (store (s32) into %ir.write, !tbaa !0) RET_ReallyLR bb.3.for.body: successors: %bb.2(0x04000000), %bb.3(0x7c000000) %3:gpr32common = PHI %1, %bb.1, %8, %bb.3 %4:gpr32sp = PHI %12, %bb.1, %7, %bb.3 %5:gpr32 = PHI %12, %bb.1, %6, %bb.3 %17:gpr32 = SDIVWr %5, %3 %6:gpr32all = COPY %17 %18:gpr32 = SUBSWri %4, 1, 0, implicit-def $nzcv %7:gpr32all = COPY %18 %19:gpr32sp = ADDWri %3, 1, 0 %8:gpr32all = COPY %19 Bcc 0, %bb.2, implicit $nzcv B %bb.3 ...