# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64 --run-pass=greedy,virtregrewriter -verify-machineinstrs %s -o - | FileCheck %s # We should ideally not spill around any of the SUBSWri in the loop exit blocks (if.end and if.end27). --- | target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" target triple = "aarch64" @g = dso_local local_unnamed_addr global [9 x [9 x i32]] zeroinitializer, align 4 define void @test(ptr nocapture noundef readonly %p, i32 noundef %m, ptr noundef %q) { entry: %0 = load i32, ptr %p, align 4 %spec.select = tail call i32 @llvm.smax.i32(i32 %0, i32 1) %arrayidx2 = getelementptr inbounds i32, ptr %p, i64 1 %1 = load i32, ptr %arrayidx2, align 4 %cond8 = tail call i32 @llvm.smax.i32(i32 %1, i32 1) br label %do.body do.body: ; preds = %if.end27, %entry %indvars.iv49 = phi i64 [ %indvars.iv.next50, %if.end27 ], [ 0, %entry ] %n0.0 = phi i32 [ %dec30, %if.end27 ], [ %spec.select, %entry ] %n1.0 = phi i32 [ %n1.2, %if.end27 ], [ %cond8, %entry ] %arrayidx9 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 %indvars.iv49 %2 = load i32, ptr %arrayidx9, align 4 %cmp11 = icmp sgt i32 %2, 0 br i1 %cmp11, label %do.body12.preheader, label %if.end27 do.body12.preheader: ; preds = %do.body br label %do.body12 do.body12: ; preds = %do.body12.preheader, %if.end %indvars.iv = phi i64 [ %indvars.iv.next, %if.end ], [ 0, %do.body12.preheader ] %n1.1 = phi i32 [ %dec, %if.end ], [ %n1.0, %do.body12.preheader ] %arrayidx14 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 %indvars.iv %3 = load i32, ptr %arrayidx14, align 4 %cmp16 = icmp sgt i32 %3, 0 br i1 %cmp16, label %if.then17, label %if.end if.then17: ; preds = %do.body12 %arrayidx19 = getelementptr inbounds i32, ptr %q, i64 %indvars.iv %4 = load volatile i32, ptr %arrayidx19, align 4 br label %for.body for.cond.cleanup: ; preds = %for.body tail call void asm sideeffect "nop;nop", "~{x0},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr}"() #3 %sunkaddr = mul i64 %indvars.iv, 4 %sunkaddr1 = getelementptr inbounds i8, ptr %q, i64 %sunkaddr store volatile i32 %add, ptr %sunkaddr1, align 4 br label %if.end for.body: ; preds = %for.body, %if.then17 %lsr.iv = phi i32 [ %lsr.iv.next, %for.body ], [ 100, %if.then17 ] %s.046 = phi i32 [ %4, %if.then17 ], [ %add, %for.body ] %call = tail call i32 @callee() #3 %add = add nsw i32 %call, %s.046 %lsr.iv.next = add nsw i32 %lsr.iv, -1 %exitcond.not = icmp eq i32 %lsr.iv.next, 0 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body if.end: ; preds = %for.cond.cleanup, %do.body12 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %dec = add nsw i32 %n1.1, -1 %cmp24.not = icmp eq i32 %dec, 0 br i1 %cmp24.not, label %do.end, label %do.body12 do.end: ; preds = %if.end %arrayidx26 = getelementptr inbounds i32, ptr %q, i64 %indvars.iv49 store volatile i32 0, ptr %arrayidx26, align 4 br label %if.end27 if.end27: ; preds = %do.end, %do.body %n1.2 = phi i32 [ 0, %do.end ], [ %n1.0, %do.body ] %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1 %dec30 = add nsw i32 %n0.0, -1 %cmp31.not = icmp eq i32 %dec30, 0 br i1 %cmp31.not, label %do.end32, label %do.body do.end32: ; preds = %if.end27 ret void } declare i32 @callee(...) declare i32 @llvm.smax.i32(i32, i32) #2 ... --- name: test alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false callsEHReturn: false callsUnwindInit: false hasEHCatchret: false hasEHScopes: false hasEHFunclets: false isOutlined: false debugInstrRef: false failsVerification: false tracksDebugUserValues: false registers: - { id: 0, class: gpr32, preferred-register: '' } - { id: 1, class: gpr32, preferred-register: '' } - { id: 2, class: gpr64common, preferred-register: '' } - { id: 3, class: gpr32sp, preferred-register: '' } - { id: 4, class: gpr32all, preferred-register: '' } - { id: 5, class: gpr64common, preferred-register: '' } - { id: 6, class: gpr32sp, preferred-register: '' } - { id: 7, class: gpr32, preferred-register: '' } - { id: 8, class: gpr32sp, preferred-register: '' } - { id: 9, class: gpr32, preferred-register: '' } - { id: 10, class: gpr32, preferred-register: '' } - { id: 11, class: gpr32, preferred-register: '' } - { id: 12, class: gpr64sp, preferred-register: '' } - { id: 13, class: gpr32, preferred-register: '' } - { id: 14, class: gpr32all, preferred-register: '' } - { id: 15, class: gpr64sp, preferred-register: '' } - { id: 16, class: gpr32, preferred-register: '' } - { id: 17, class: gpr64common, preferred-register: '' } - { id: 18, class: gpr32, preferred-register: '' } - { id: 19, class: gpr64common, preferred-register: '' } - { id: 20, class: gpr64all, preferred-register: '' } - { id: 21, class: gpr32common, preferred-register: '' } - { id: 22, class: gpr32, preferred-register: '' } - { id: 23, class: gpr32, preferred-register: '' } - { id: 24, class: gpr32common, preferred-register: '' } - { id: 25, class: gpr32, preferred-register: '' } - { id: 26, class: gpr32, preferred-register: '' } - { id: 27, class: gpr64all, preferred-register: '' } - { id: 28, class: gpr32, preferred-register: '' } - { id: 29, class: gpr64, preferred-register: '' } - { id: 30, class: gpr64, preferred-register: '' } - { id: 31, class: gpr64common, preferred-register: '' } - { id: 32, class: gpr32common, preferred-register: '' } - { id: 33, class: gpr32, preferred-register: '' } - { id: 34, class: gpr64all, preferred-register: '' } - { id: 35, class: gpr64all, preferred-register: '' } - { id: 36, class: gpr32, preferred-register: '' } - { id: 37, class: gpr64, preferred-register: '' } - { id: 38, class: gpr64, preferred-register: '' } - { id: 39, class: gpr64common, preferred-register: '' } - { id: 40, class: gpr32common, preferred-register: '' } - { id: 41, class: gpr32, preferred-register: '' } - { id: 42, class: gpr32, preferred-register: '' } - { id: 43, class: gpr32, preferred-register: '' } - { id: 44, class: gpr32, preferred-register: '' } - { id: 45, class: gpr32, preferred-register: '' } - { id: 46, class: gpr32, preferred-register: '' } - { id: 47, class: gpr32, preferred-register: '' } - { id: 48, class: gpr64sp, preferred-register: '' } - { id: 49, class: gpr32, preferred-register: '' } - { id: 50, class: gpr32all, preferred-register: '' } - { id: 51, class: gpr32, preferred-register: '' } - { id: 52, class: gpr64sp, preferred-register: '' } - { id: 53, class: gpr32, preferred-register: '' } - { id: 54, class: gpr64common, preferred-register: '' } - { id: 55, class: gpr32common, preferred-register: '' } - { id: 56, class: gpr32common, preferred-register: '' } - { id: 57, class: gpr64common, preferred-register: '' } - { id: 58, class: gpr32common, preferred-register: '' } - { id: 59, class: gpr32common, preferred-register: '' } - { id: 60, class: gpr32, preferred-register: '' } - { id: 61, class: gpr32all, preferred-register: '' } liveins: - { reg: '$x0', virtual-reg: '%17' } - { reg: '$x2', virtual-reg: '%19' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: true hasCalls: true stackProtector: '' functionContext: '' maxCallFrameSize: 0 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false hasTailCall: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] entry_values: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: test ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: liveins: $x0, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $x10 = COPY $xzr ; CHECK-NEXT: renamable $w8 = LDRWui renamable $x0, 0 :: (load (s32) from %ir.p) ; CHECK-NEXT: renamable $w9 = LDRWui killed renamable $x0, 1 :: (load (s32) from %ir.arrayidx2) ; CHECK-NEXT: dead $wzr = SUBSWri renamable $w8, 1, 0, implicit-def $nzcv ; CHECK-NEXT: renamable $w11 = CSINCWr killed renamable $w8, $wzr, 12, implicit $nzcv ; CHECK-NEXT: renamable $x8 = COPY killed renamable $x10 ; CHECK-NEXT: dead $wzr = SUBSWri renamable $w9, 1, 0, implicit-def $nzcv ; CHECK-NEXT: renamable $w10 = CSINCWr killed renamable $w9, $wzr, 12, implicit $nzcv ; CHECK-NEXT: STRXui renamable $x2, %stack.0, 0 :: (store (s64) into %stack.0) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.do.body: ; CHECK-NEXT: successors: %bb.3(0x50000000), %bb.2(0x30000000) ; CHECK-NEXT: liveins: $w10, $w11, $x2, $x8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: STRXui renamable $x8, %stack.1, 0 :: (store (s64) into %stack.1) ; CHECK-NEXT: renamable $w9 = MOVi32imm 36, implicit-def $x9 ; CHECK-NEXT: renamable $x8 = MADDXrrr killed renamable $x8, killed renamable $x9, $xzr ; CHECK-NEXT: renamable $x9 = MOVaddr target-flags(aarch64-page) @g, target-flags(aarch64-pageoff, aarch64-nc) @g ; CHECK-NEXT: renamable $w8 = LDRWroX killed renamable $x9, killed renamable $x8, 0, 0 :: (load (s32) from %ir.arrayidx9) ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w8, 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 10, %bb.3, implicit $nzcv ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2: ; CHECK-NEXT: successors: %bb.10(0x80000000) ; CHECK-NEXT: liveins: $w10, $w11, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $x8 = LDRXui %stack.1, 0 :: (load (s64) from %stack.1) ; CHECK-NEXT: B %bb.10 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.3.do.body12.preheader: ; CHECK-NEXT: successors: %bb.4(0x80000000) ; CHECK-NEXT: liveins: $w10, $w11, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $x12 = COPY $xzr ; CHECK-NEXT: STRWui renamable $w11, %stack.2, 0 :: (store (s32) into %stack.2) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.4.do.body12: ; CHECK-NEXT: successors: %bb.5(0x50000000), %bb.8(0x30000000) ; CHECK-NEXT: liveins: $w10, $w11, $x2, $x12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $w8 = MOVi32imm 36, implicit-def $x8 ; CHECK-NEXT: renamable $x8 = MADDXrrr renamable $x12, killed renamable $x8, $xzr ; CHECK-NEXT: renamable $x9 = MOVaddr target-flags(aarch64-page) @g, target-flags(aarch64-pageoff, aarch64-nc) @g ; CHECK-NEXT: renamable $w8 = LDRWroX killed renamable $x9, killed renamable $x8, 0, 0 :: (load (s32) from %ir.arrayidx14) ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w8, 1, 0, implicit-def $nzcv ; CHECK-NEXT: Bcc 11, %bb.8, implicit $nzcv ; CHECK-NEXT: B %bb.5 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.5.if.then17: ; CHECK-NEXT: successors: %bb.7(0x80000000) ; CHECK-NEXT: liveins: $w10, $x2, $x12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: STRWui killed renamable $w10, %stack.3, 0 :: (store (s32) into %stack.3) ; CHECK-NEXT: STRXui renamable $x12, %stack.4, 0 :: (store (s64) into %stack.4) ; CHECK-NEXT: renamable $w20 = LDRWroX killed renamable $x2, killed renamable $x12, 0, 1 :: (volatile load (s32) from %ir.arrayidx19) ; CHECK-NEXT: renamable $w19 = MOVi32imm 100 ; CHECK-NEXT: B %bb.7 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.6.for.cond.cleanup: ; CHECK-NEXT: successors: %bb.8(0x80000000) ; CHECK-NEXT: liveins: $w20 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $w1 = COPY killed renamable $w20 ; CHECK-NEXT: INLINEASM &"nop;nop", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $x0, 12 /* clobber */, implicit-def dead early-clobber $x2, 12 /* clobber */, implicit-def dead early-clobber $x3, 12 /* clobber */, implicit-def dead early-clobber $x4, 12 /* clobber */, implicit-def dead early-clobber $x5, 12 /* clobber */, implicit-def dead early-clobber $x6, 12 /* clobber */, implicit-def dead early-clobber $x7, 12 /* clobber */, implicit-def dead early-clobber $x8, 12 /* clobber */, implicit-def dead early-clobber $x9, 12 /* clobber */, implicit-def dead early-clobber $x10, 12 /* clobber */, implicit-def dead early-clobber $x11, 12 /* clobber */, implicit-def dead early-clobber $x12, 12 /* clobber */, implicit-def dead early-clobber $x13, 12 /* clobber */, implicit-def dead early-clobber $x14, 12 /* clobber */, implicit-def dead early-clobber $x15, 12 /* clobber */, implicit-def dead early-clobber $x16, 12 /* clobber */, implicit-def dead early-clobber $x17, 12 /* clobber */, implicit-def dead early-clobber $x18, 12 /* clobber */, implicit-def dead early-clobber $x19, 12 /* clobber */, implicit-def dead early-clobber $x20, 12 /* clobber */, implicit-def dead early-clobber $x21, 12 /* clobber */, implicit-def dead early-clobber $x22, 12 /* clobber */, implicit-def dead early-clobber $x23, 12 /* clobber */, implicit-def dead early-clobber $x24, 12 /* clobber */, implicit-def dead early-clobber $x25, 12 /* clobber */, implicit-def dead early-clobber $x26, 12 /* clobber */, implicit-def dead early-clobber $x27, 12 /* clobber */, implicit-def dead early-clobber $x28, 12 /* clobber */, implicit-def dead early-clobber $fp, 12 /* clobber */, implicit-def dead early-clobber $lr ; CHECK-NEXT: renamable $x2 = LDRXui %stack.0, 0 :: (load (s64) from %stack.0) ; CHECK-NEXT: renamable $x12 = LDRXui %stack.4, 0 :: (load (s64) from %stack.4) ; CHECK-NEXT: STRWroX killed renamable $w1, renamable $x2, renamable $x12, 0, 1 :: (volatile store (s32) into %ir.sunkaddr1) ; CHECK-NEXT: renamable $w11 = LDRWui %stack.2, 0 :: (load (s32) from %stack.2) ; CHECK-NEXT: renamable $w10 = LDRWui %stack.3, 0 :: (load (s32) from %stack.3) ; CHECK-NEXT: B %bb.8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.7.for.body: ; CHECK-NEXT: successors: %bb.6(0x04000000), %bb.7(0x7c000000) ; CHECK-NEXT: liveins: $w19, $w20 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: BL @callee, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0 ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp ; CHECK-NEXT: renamable $w19 = nsw SUBSWri killed renamable $w19, 1, 0, implicit-def $nzcv ; CHECK-NEXT: renamable $w20 = nsw ADDWrr killed renamable $w0, killed renamable $w20 ; CHECK-NEXT: Bcc 0, %bb.6, implicit $nzcv ; CHECK-NEXT: B %bb.7 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.8.if.end: ; CHECK-NEXT: successors: %bb.9(0x04000000), %bb.4(0x7c000000) ; CHECK-NEXT: liveins: $w10, $w11, $x2, $x12 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $w10 = nsw SUBSWri killed renamable $w10, 1, 0, implicit-def $nzcv ; CHECK-NEXT: renamable $x12 = nuw nsw ADDXri killed renamable $x12, 1, 0 ; CHECK-NEXT: Bcc 1, %bb.4, implicit $nzcv ; CHECK-NEXT: B %bb.9 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.9.do.end: ; CHECK-NEXT: successors: %bb.10(0x80000000) ; CHECK-NEXT: liveins: $w11, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $w10 = COPY $wzr ; CHECK-NEXT: renamable $x8 = LDRXui %stack.1, 0 :: (load (s64) from %stack.1) ; CHECK-NEXT: STRWroX $wzr, renamable $x2, renamable $x8, 0, 1 :: (volatile store (s32) into %ir.arrayidx26) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.10.if.end27: ; CHECK-NEXT: successors: %bb.11(0x04000000), %bb.1(0x7c000000) ; CHECK-NEXT: liveins: $w10, $w11, $x2, $x8 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $w11 = nsw SUBSWri killed renamable $w11, 1, 0, implicit-def $nzcv ; CHECK-NEXT: renamable $x8 = nuw nsw ADDXri killed renamable $x8, 1, 0 ; CHECK-NEXT: Bcc 1, %bb.1, implicit $nzcv ; CHECK-NEXT: B %bb.11 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.11.do.end32: ; CHECK-NEXT: RET_ReallyLR bb.0.entry: successors: %bb.1(0x80000000) liveins: $x0, $x2 %19:gpr64common = COPY $x2 %17:gpr64common = COPY $x0 %54:gpr64common = COPY $xzr %21:gpr32common = LDRWui %17, 0 :: (load (s32) from %ir.p) %24:gpr32common = LDRWui %17, 1 :: (load (s32) from %ir.arrayidx2) dead $wzr = SUBSWri %21, 1, 0, implicit-def $nzcv %55:gpr32common = CSINCWr %21, $wzr, 12, implicit $nzcv dead $wzr = SUBSWri %24, 1, 0, implicit-def $nzcv %56:gpr32common = CSINCWr %24, $wzr, 12, implicit $nzcv undef %29.sub_32:gpr64 = MOVi32imm 36 %31:gpr64common = MOVaddr target-flags(aarch64-page) @g, target-flags(aarch64-pageoff, aarch64-nc) @g bb.1.do.body: successors: %bb.2(0x50000000), %bb.11(0x30000000) %30:gpr64 = MADDXrrr %54, %29, $xzr %32:gpr32common = LDRWroX %31, %30, 0, 0 :: (load (s32) from %ir.arrayidx9) dead $wzr = SUBSWri %32, 1, 0, implicit-def $nzcv Bcc 10, %bb.2, implicit $nzcv bb.11: successors: %bb.9(0x80000000) B %bb.9 bb.2.do.body12.preheader: successors: %bb.3(0x80000000) %57:gpr64common = COPY $xzr bb.3.do.body12: successors: %bb.4(0x50000000), %bb.7(0x30000000) %38:gpr64 = MADDXrrr %57, %29, $xzr %40:gpr32common = LDRWroX %31, %38, 0, 0 :: (load (s32) from %ir.arrayidx14) dead $wzr = SUBSWri %40, 1, 0, implicit-def $nzcv Bcc 11, %bb.7, implicit $nzcv B %bb.4 bb.4.if.then17: successors: %bb.6(0x80000000) %60:gpr32 = LDRWroX %19, %57, 0, 1 :: (volatile load (s32) from %ir.arrayidx19) %59:gpr32common = MOVi32imm 100 B %bb.6 bb.5.for.cond.cleanup: successors: %bb.7(0x80000000) INLINEASM &"nop;nop", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $x0, 12 /* clobber */, implicit-def dead early-clobber $x2, 12 /* clobber */, implicit-def dead early-clobber $x3, 12 /* clobber */, implicit-def dead early-clobber $x4, 12 /* clobber */, implicit-def dead early-clobber $x5, 12 /* clobber */, implicit-def dead early-clobber $x6, 12 /* clobber */, implicit-def dead early-clobber $x7, 12 /* clobber */, implicit-def dead early-clobber $x8, 12 /* clobber */, implicit-def dead early-clobber $x9, 12 /* clobber */, implicit-def dead early-clobber $x10, 12 /* clobber */, implicit-def dead early-clobber $x11, 12 /* clobber */, implicit-def dead early-clobber $x12, 12 /* clobber */, implicit-def dead early-clobber $x13, 12 /* clobber */, implicit-def dead early-clobber $x14, 12 /* clobber */, implicit-def dead early-clobber $x15, 12 /* clobber */, implicit-def dead early-clobber $x16, 12 /* clobber */, implicit-def dead early-clobber $x17, 12 /* clobber */, implicit-def dead early-clobber $x18, 12 /* clobber */, implicit-def dead early-clobber $x19, 12 /* clobber */, implicit-def dead early-clobber $x20, 12 /* clobber */, implicit-def dead early-clobber $x21, 12 /* clobber */, implicit-def dead early-clobber $x22, 12 /* clobber */, implicit-def dead early-clobber $x23, 12 /* clobber */, implicit-def dead early-clobber $x24, 12 /* clobber */, implicit-def dead early-clobber $x25, 12 /* clobber */, implicit-def dead early-clobber $x26, 12 /* clobber */, implicit-def dead early-clobber $x27, 12 /* clobber */, implicit-def dead early-clobber $x28, 12 /* clobber */, implicit-def dead early-clobber $fp, 12 /* clobber */, implicit-def dead early-clobber $lr STRWroX %60, %19, %57, 0, 1 :: (volatile store (s32) into %ir.sunkaddr1) B %bb.7 bb.6.for.body: successors: %bb.5(0x04000000), %bb.6(0x7c000000) ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp BL @callee, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp %45:gpr32 = COPY $w0 %59:gpr32common = nsw SUBSWri %59, 1, 0, implicit-def $nzcv %60:gpr32 = nsw ADDWrr %45, %60 Bcc 0, %bb.5, implicit $nzcv B %bb.6 bb.7.if.end: successors: %bb.8(0x04000000), %bb.3(0x7c000000) %56:gpr32common = nsw SUBSWri %56, 1, 0, implicit-def $nzcv %57:gpr64common = nuw nsw ADDXri %57, 1, 0 Bcc 1, %bb.3, implicit $nzcv B %bb.8 bb.8.do.end: successors: %bb.9(0x80000000) %56:gpr32common = COPY $wzr STRWroX $wzr, %19, %54, 0, 1 :: (volatile store (s32) into %ir.arrayidx26) bb.9.if.end27: successors: %bb.10(0x04000000), %bb.1(0x7c000000) %55:gpr32common = nsw SUBSWri %55, 1, 0, implicit-def $nzcv %54:gpr64common = nuw nsw ADDXri %54, 1, 0 Bcc 1, %bb.1, implicit $nzcv B %bb.10 bb.10.do.end32: RET_ReallyLR ...