|  | # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py | 
|  | # RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve -run-pass=arm-low-overhead-loops %s -o - --verify-machineinstrs | FileCheck %s | 
|  |  | 
|  | # A decent sized test to handle a matrix, with scalar and vector low-overhead loops. | 
|  |  | 
|  | --- | | 
|  | define dso_local arm_aapcs_vfpcc signext i16 @matrix_test(i32 %d, i32* nocapture %e, i16* nocapture readonly %k, i16* nocapture readonly %l) { | 
|  | entry: | 
|  | %cmp19.i = icmp sgt i32 %d, 0 | 
|  | br i1 %cmp19.i, label %for.body.i.preheader, label %c.exit.thread | 
|  |  | 
|  | for.body.i.preheader:                             ; preds = %entry | 
|  | %start1 = call i32 @llvm.start.loop.iterations.i32(i32 %d) | 
|  | br label %for.body.i | 
|  |  | 
|  | c.exit.thread:                                    ; preds = %entry | 
|  | %call169 = tail call arm_aapcs_vfpcc signext i16 bitcast (i16 (...)* @crc16 to i16 (i32)*)(i32 0) | 
|  | %conv270 = sext i16 %call169 to i32 | 
|  | br label %c.exit59 | 
|  |  | 
|  | for.body.i:                                       ; preds = %for.body.i, %for.body.i.preheader | 
|  | %lsr.iv15 = phi i32* [ %e, %for.body.i.preheader ], [ %scevgep16, %for.body.i ] | 
|  | %h.022.i = phi i16 [ %h.1.i, %for.body.i ], [ 0, %for.body.i.preheader ] | 
|  | %f.020.i = phi i32 [ %f.1.i, %for.body.i ], [ undef, %for.body.i.preheader ] | 
|  | %0 = phi i32 [ %start1, %for.body.i.preheader ], [ %2, %for.body.i ] | 
|  | %1 = load i32, i32* %lsr.iv15, align 4 | 
|  | %add.i = add nsw i32 %1, %f.020.i | 
|  | %cmp1.i = icmp sgt i32 %add.i, 0 | 
|  | %cmp3.i = icmp sgt i32 %1, 0 | 
|  | %f.1.i = select i1 %cmp1.i, i32 0, i32 %add.i | 
|  | %narrow.i = and i1 %cmp3.i, %cmp1.i | 
|  | %add6.i = zext i1 %narrow.i to i16 | 
|  | %h.1.i = add i16 %h.022.i, %add6.i | 
|  | %scevgep16 = getelementptr i32, i32* %lsr.iv15, i32 1 | 
|  | %2 = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %0, i32 1) | 
|  | %3 = icmp ne i32 %2, 0 | 
|  | br i1 %3, label %for.body.i, label %c.exit | 
|  |  | 
|  | c.exit:                                           ; preds = %for.body.i | 
|  | %4 = icmp sgt i32 %d, 0 | 
|  | %phitmp = sext i16 %h.1.i to i32 | 
|  | %call1 = tail call arm_aapcs_vfpcc signext i16 bitcast (i16 (...)* @crc16 to i16 (i32)*)(i32 %phitmp) | 
|  | %conv2 = sext i16 %call1 to i32 | 
|  | br i1 %4, label %for.cond4.preheader.us.preheader, label %c.exit59 | 
|  |  | 
|  | for.cond4.preheader.us.preheader:                 ; preds = %c.exit | 
|  | %n.rnd.up = add i32 %d, 3 | 
|  | %n.vec = and i32 %n.rnd.up, -4 | 
|  | %5 = shl i32 %d, 1 | 
|  | %6 = add i32 %n.vec, -4 | 
|  | %7 = lshr i32 %6, 2 | 
|  | %8 = add nuw nsw i32 %7, 1 | 
|  | %9 = shl i32 %7, 2 | 
|  | %10 = sub i32 %d, %9 | 
|  | br label %for.cond4.preheader.us | 
|  |  | 
|  | for.cond4.preheader.us:                           ; preds = %middle.block, %for.cond4.preheader.us.preheader | 
|  | %lsr.iv7 = phi i16* [ %28, %middle.block ], [ %k, %for.cond4.preheader.us.preheader ] | 
|  | %i.064.us = phi i32 [ %inc15.us, %middle.block ], [ 0, %for.cond4.preheader.us.preheader ] | 
|  | %arrayidx12.us = getelementptr inbounds i32, i32* %e, i32 %i.064.us | 
|  | %arrayidx12.promoted.us = load i32, i32* %arrayidx12.us, align 4 | 
|  | %11 = insertelement <4 x i32> <i32 undef, i32 0, i32 0, i32 0>, i32 %arrayidx12.promoted.us, i32 0 | 
|  | %start2 = call i32 @llvm.start.loop.iterations.i32(i32 %8) | 
|  | br label %vector.body | 
|  |  | 
|  | vector.body:                                      ; preds = %vector.body, %for.cond4.preheader.us | 
|  | %lsr.iv10 = phi i16* [ %scevgep11, %vector.body ], [ %lsr.iv7, %for.cond4.preheader.us ] | 
|  | %lsr.iv4 = phi i16* [ %scevgep5, %vector.body ], [ %l, %for.cond4.preheader.us ] | 
|  | %vec.phi = phi <4 x i32> [ %11, %for.cond4.preheader.us ], [ %19, %vector.body ] | 
|  | %12 = phi i32 [ %start2, %for.cond4.preheader.us ], [ %20, %vector.body ] | 
|  | %13 = phi i32 [ %d, %for.cond4.preheader.us ], [ %15, %vector.body ] | 
|  | %lsr.iv1012 = bitcast i16* %lsr.iv10 to <4 x i16>* | 
|  | %lsr.iv46 = bitcast i16* %lsr.iv4 to <4 x i16>* | 
|  | %14 = call <4 x i1> @llvm.arm.mve.vctp32(i32 %13) | 
|  | %15 = sub i32 %13, 4 | 
|  | %wide.masked.load = call <4 x i16> @llvm.masked.load.v4i16.p0v4i16(<4 x i16>* %lsr.iv1012, i32 2, <4 x i1> %14, <4 x i16> undef) | 
|  | %16 = sext <4 x i16> %wide.masked.load to <4 x i32> | 
|  | %wide.masked.load76 = call <4 x i16> @llvm.masked.load.v4i16.p0v4i16(<4 x i16>* %lsr.iv46, i32 2, <4 x i1> %14, <4 x i16> undef) | 
|  | %17 = sext <4 x i16> %wide.masked.load76 to <4 x i32> | 
|  | %18 = mul nsw <4 x i32> %17, %16 | 
|  | %19 = add <4 x i32> %18, %vec.phi | 
|  | %scevgep5 = getelementptr i16, i16* %lsr.iv4, i32 4 | 
|  | %scevgep11 = getelementptr i16, i16* %lsr.iv10, i32 4 | 
|  | %20 = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %12, i32 1) | 
|  | %21 = icmp ne i32 %20, 0 | 
|  | br i1 %21, label %vector.body, label %middle.block | 
|  |  | 
|  | middle.block:                                     ; preds = %vector.body | 
|  | %vec.phi.lcssa = phi <4 x i32> [ %vec.phi, %vector.body ] | 
|  | %.lcssa = phi <4 x i32> [ %19, %vector.body ] | 
|  | %22 = call <4 x i1> @llvm.arm.mve.vctp32(i32 %10) | 
|  | %23 = bitcast i16* %lsr.iv7 to i1* | 
|  | %24 = select <4 x i1> %22, <4 x i32> %.lcssa, <4 x i32> %vec.phi.lcssa | 
|  | %25 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %24) | 
|  | %sunkaddr = mul i32 %i.064.us, 4 | 
|  | %26 = bitcast i32* %e to i8* | 
|  | %sunkaddr17 = getelementptr inbounds i8, i8* %26, i32 %sunkaddr | 
|  | %27 = bitcast i8* %sunkaddr17 to i32* | 
|  | store i32 %25, i32* %27, align 4 | 
|  | %inc15.us = add nuw nsw i32 %i.064.us, 1 | 
|  | %scevgep9 = getelementptr i1, i1* %23, i32 %5 | 
|  | %28 = bitcast i1* %scevgep9 to i16* | 
|  | %exitcond66 = icmp eq i32 %inc15.us, %d | 
|  | br i1 %exitcond66, label %for.end16, label %for.cond4.preheader.us | 
|  |  | 
|  | for.end16:                                        ; preds = %middle.block | 
|  | %29 = icmp sgt i32 %d, 0 | 
|  | br i1 %29, label %for.body.i57.preheader, label %c.exit59 | 
|  |  | 
|  | for.body.i57.preheader:                           ; preds = %for.end16 | 
|  | %start3 = call i32 @llvm.start.loop.iterations.i32(i32 %d) | 
|  | br label %for.body.i57 | 
|  |  | 
|  | for.body.i57:                                     ; preds = %for.body.i57, %for.body.i57.preheader | 
|  | %lsr.iv1 = phi i32* [ %e, %for.body.i57.preheader ], [ %scevgep, %for.body.i57 ] | 
|  | %h.022.i44 = phi i16 [ %h.1.i54, %for.body.i57 ], [ 0, %for.body.i57.preheader ] | 
|  | %f.020.i46 = phi i32 [ %f.1.i51, %for.body.i57 ], [ undef, %for.body.i57.preheader ] | 
|  | %30 = phi i32 [ %start3, %for.body.i57.preheader ], [ %32, %for.body.i57 ] | 
|  | %31 = load i32, i32* %lsr.iv1, align 4 | 
|  | %add.i48 = add nsw i32 %31, %f.020.i46 | 
|  | %cmp1.i49 = icmp sgt i32 %add.i48, 0 | 
|  | %cmp3.i50 = icmp sgt i32 %31, 0 | 
|  | %f.1.i51 = select i1 %cmp1.i49, i32 0, i32 %add.i48 | 
|  | %narrow.i52 = and i1 %cmp3.i50, %cmp1.i49 | 
|  | %add6.i53 = zext i1 %narrow.i52 to i16 | 
|  | %h.1.i54 = add i16 %h.022.i44, %add6.i53 | 
|  | %scevgep = getelementptr i32, i32* %lsr.iv1, i32 1 | 
|  | %32 = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %30, i32 1) | 
|  | %33 = icmp ne i32 %32, 0 | 
|  | br i1 %33, label %for.body.i57, label %c.exit59.loopexit | 
|  |  | 
|  | c.exit59.loopexit:                                ; preds = %for.body.i57 | 
|  | %phitmp67 = sext i16 %h.1.i54 to i32 | 
|  | br label %c.exit59 | 
|  |  | 
|  | c.exit59:                                         ; preds = %c.exit59.loopexit, %for.end16, %c.exit, %c.exit.thread | 
|  | %conv27173 = phi i32 [ %conv2, %for.end16 ], [ %conv2, %c.exit59.loopexit ], [ %conv2, %c.exit ], [ %conv270, %c.exit.thread ] | 
|  | %h.0.lcssa.i58 = phi i32 [ 0, %for.end16 ], [ %phitmp67, %c.exit59.loopexit ], [ 0, %c.exit ], [ 0, %c.exit.thread ] | 
|  | %call19 = tail call arm_aapcs_vfpcc signext i16 bitcast (i16 (...)* @crc16 to i16 (i32, i32)*)(i32 %h.0.lcssa.i58, i32 %conv27173) | 
|  | ret i16 %call19 | 
|  | } | 
|  | declare dso_local arm_aapcs_vfpcc signext i16 @crc16(...) local_unnamed_addr #0 | 
|  | declare <4 x i16> @llvm.masked.load.v4i16.p0v4i16(<4 x i16>*, i32 immarg, <4 x i1>, <4 x i16>) #1 | 
|  | declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #2 | 
|  | declare i32 @llvm.start.loop.iterations.i32(i32) #3 | 
|  | declare i32 @llvm.loop.decrement.reg.i32.i32.i32(i32, i32) #3 | 
|  | declare <4 x i1> @llvm.arm.mve.vctp32(i32) #4 | 
|  |  | 
|  | ... | 
|  | --- | 
|  | name:            matrix_test | 
|  | alignment:       2 | 
|  | exposesReturnsTwice: false | 
|  | legalized:       false | 
|  | regBankSelected: false | 
|  | selected:        false | 
|  | failedISel:      false | 
|  | tracksRegLiveness: true | 
|  | hasWinCFI:       false | 
|  | registers:       [] | 
|  | liveins: | 
|  | - { reg: '$r0', virtual-reg: '' } | 
|  | - { reg: '$r1', virtual-reg: '' } | 
|  | - { reg: '$r2', virtual-reg: '' } | 
|  | - { reg: '$r3', virtual-reg: '' } | 
|  | frameInfo: | 
|  | isFrameAddressTaken: false | 
|  | isReturnAddressTaken: false | 
|  | hasStackMap:     false | 
|  | hasPatchPoint:   false | 
|  | stackSize:       32 | 
|  | offsetAdjustment: 0 | 
|  | maxAlignment:    4 | 
|  | adjustsStack:    true | 
|  | hasCalls:        true | 
|  | stackProtector:  '' | 
|  | maxCallFrameSize: 0 | 
|  | cvBytesOfCalleeSavedRegisters: 0 | 
|  | hasOpaqueSPAdjustment: false | 
|  | hasVAStart:      false | 
|  | hasMustTailInVarArgFunc: false | 
|  | localFrameSize:  0 | 
|  | savePoint:       '' | 
|  | restorePoint:    '' | 
|  | fixedStack:      [] | 
|  | stack: | 
|  | - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r10', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 2, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r9', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 3, name: '', type: spill-slot, offset: -16, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r8', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 4, name: '', type: spill-slot, offset: -20, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 5, name: '', type: spill-slot, offset: -24, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r6', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 6, name: '', type: spill-slot, offset: -28, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r5', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | - { id: 7, name: '', type: spill-slot, offset: -32, size: 4, alignment: 4, | 
|  | stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true, | 
|  | debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | 
|  | callSites:       [] | 
|  | constants:       [] | 
|  | machineFunctionInfo: {} | 
|  | body:             | | 
|  | ; CHECK-LABEL: name: matrix_test | 
|  | ; CHECK: bb.0.entry: | 
|  | ; CHECK:   successors: %bb.1(0x50000000), %bb.12(0x30000000) | 
|  | ; CHECK:   liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10 | 
|  | ; CHECK:   $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $lr | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa_offset 32 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $lr, -4 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r10, -8 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r9, -12 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r8, -16 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r7, -20 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r6, -24 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r5, -28 | 
|  | ; CHECK:   frame-setup CFI_INSTRUCTION offset $r4, -32 | 
|  | ; CHECK:   tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   t2Bcc %bb.12, 11 /* CC::lt */, killed $cpsr | 
|  | ; CHECK: bb.1.for.body.i.preheader: | 
|  | ; CHECK:   successors: %bb.2(0x80000000) | 
|  | ; CHECK:   liveins: $r0, $r1, $r2, $r3 | 
|  | ; CHECK:   $r5 = tMOVr killed $r2, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $r8 = tMOVr killed $r3, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $r4 = tMOVr $r1, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r6, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r2 = IMPLICIT_DEF | 
|  | ; CHECK:   $r10 = tMOVr $r0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   dead $lr = tMOVr $r0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $lr = t2DLS killed renamable $r0 | 
|  | ; CHECK: bb.2.for.body.i: | 
|  | ; CHECK:   successors: %bb.2(0x7c000000), %bb.3(0x04000000) | 
|  | ; CHECK:   liveins: $lr, $r1, $r2, $r4, $r5, $r6, $r8, $r10 | 
|  | ; CHECK:   renamable $r3, renamable $r1 = t2LDR_POST killed renamable $r1, 4, 14 /* CC::al */, $noreg :: (load (s32) from %ir.lsr.iv15) | 
|  | ; CHECK:   renamable $r2 = nsw tADDhirr killed renamable $r2, renamable $r3, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tCMPi8 renamable $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   renamable $r7 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | ; CHECK:   tCMPi8 killed renamable $r3, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   renamable $r3 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | ; CHECK:   tCMPi8 renamable $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   renamable $r3 = t2ANDrr killed renamable $r3, killed renamable $r7, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK:   t2IT 12, 8, implicit-def $itstate | 
|  | ; CHECK:   $r2 = tMOVi8 $noreg, 0, 12 /* CC::gt */, killed $cpsr, implicit killed renamable $r2, implicit killed $itstate | 
|  | ; CHECK:   renamable $r6 = tADDhirr killed renamable $r6, killed renamable $r3, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $lr = t2LEUpdate killed renamable $lr, %bb.2 | 
|  | ; CHECK: bb.3.c.exit: | 
|  | ; CHECK:   successors: %bb.4(0x50000000), %bb.14(0x30000000) | 
|  | ; CHECK:   liveins: $r4, $r5, $r6, $r8, $r10 | 
|  | ; CHECK:   renamable $r0 = tSXTH killed renamable $r6, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tBL 14 /* CC::al */, $noreg, @crc16, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 | 
|  | ; CHECK:   $r12 = tMOVr killed $r0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r7, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   t2CMPri $r10, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   tBcc %bb.14, 11 /* CC::lt */, killed $cpsr | 
|  | ; CHECK: bb.4.for.cond4.preheader.us.preheader: | 
|  | ; CHECK:   successors: %bb.5(0x80000000) | 
|  | ; CHECK:   liveins: $r4, $r5, $r7, $r8, $r10, $r12 | 
|  | ; CHECK:   renamable $r0 = t2ADDri $r10, 3, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK:   $lr = tMOVr $r10, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r0 = t2BICri killed renamable $r0, 3, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK:   renamable $r3 = t2LSLri $r10, 1, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK:   renamable $r1, dead $cpsr = tSUBi3 killed renamable $r0, 4, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $q0 = MVE_VDUP32 renamable $r7, 0, $noreg, $noreg, undef renamable $q0 | 
|  | ; CHECK:   renamable $r0 = nuw nsw t2ADDrs killed renamable $r0, renamable $r1, 19, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK:   renamable $r1, dead $cpsr = tLSRri killed renamable $r1, 2, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r9 = t2SUBrs $r10, killed renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK: bb.5.for.cond4.preheader.us: | 
|  | ; CHECK:   successors: %bb.6(0x80000000) | 
|  | ; CHECK:   liveins: $lr, $q0, $r0, $r3, $r4, $r5, $r7, $r8, $r9, $r10, $r12 | 
|  | ; CHECK:   renamable $r1 = t2LDRs renamable $r4, renamable $r7, 2, 14 /* CC::al */, $noreg :: (load (s32) from %ir.arrayidx12.us) | 
|  | ; CHECK:   $q1 = MVE_VORR $q0, $q0, 0, $noreg, $noreg, undef $q1 | 
|  | ; CHECK:   $r2 = tMOVr killed $lr, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $q1 = MVE_VMOV_to_lane_32 killed renamable $q1, killed renamable $r1, 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $r6 = tMOVr $r5, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $r1 = tMOVr $r8, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   dead $lr = tMOVr $r0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $lr = t2DLS renamable $r0 | 
|  | ; CHECK: bb.6.vector.body: | 
|  | ; CHECK:   successors: %bb.6(0x7c000000), %bb.7(0x04000000) | 
|  | ; CHECK:   liveins: $lr, $q0, $q1, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $r12 | 
|  | ; CHECK:   renamable $vpr = MVE_VCTP32 renamable $r2, 0, $noreg, $noreg | 
|  | ; CHECK:   $q2 = MVE_VORR killed $q1, killed $q1, 0, $noreg, $noreg, undef $q2 | 
|  | ; CHECK:   MVE_VPST 4, implicit $vpr | 
|  | ; CHECK:   renamable $r6, renamable $q1 = MVE_VLDRHS32_post killed renamable $r6, 8, 1, renamable $vpr, $noreg :: (load (s64) from %ir.lsr.iv1012, align 2) | 
|  | ; CHECK:   renamable $r1, renamable $q3 = MVE_VLDRHS32_post killed renamable $r1, 8, 1, killed renamable $vpr, $noreg :: (load (s64) from %ir.lsr.iv46, align 2) | 
|  | ; CHECK:   renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $q1 = nsw MVE_VMULi32 killed renamable $q3, killed renamable $q1, 0, $noreg, $noreg, undef renamable $q1 | 
|  | ; CHECK:   renamable $q1 = MVE_VADDi32 killed renamable $q1, renamable $q2, 0, $noreg, $noreg, undef renamable $q1 | 
|  | ; CHECK:   $lr = t2LEUpdate killed renamable $lr, %bb.6 | 
|  | ; CHECK: bb.7.middle.block: | 
|  | ; CHECK:   successors: %bb.8(0x04000000), %bb.5(0x7c000000) | 
|  | ; CHECK:   liveins: $q0, $q1, $q2, $r0, $r3, $r4, $r5, $r7, $r8, $r9, $r10, $r12 | 
|  | ; CHECK:   renamable $vpr = MVE_VCTP32 renamable $r9, 0, $noreg, $noreg | 
|  | ; CHECK:   renamable $r5 = tADDhirr killed renamable $r5, renamable $r3, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $q1 = MVE_VPSEL killed renamable $q1, killed renamable $q2, 0, killed renamable $vpr, $noreg | 
|  | ; CHECK:   $lr = tMOVr $r10, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r2 = MVE_VADDVu32no_acc killed renamable $q1, 0, $noreg, $noreg | 
|  | ; CHECK:   t2STRs killed renamable $r2, renamable $r4, renamable $r7, 2, 14 /* CC::al */, $noreg :: (store (s32) into %ir.27) | 
|  | ; CHECK:   renamable $r7, dead $cpsr = nuw nsw tADDi8 killed renamable $r7, 1, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tCMPhir renamable $r7, $r10, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   tBcc %bb.5, 1 /* CC::ne */, killed $cpsr | 
|  | ; CHECK: bb.8.for.end16: | 
|  | ; CHECK:   successors: %bb.9(0x50000000), %bb.13(0x30000000) | 
|  | ; CHECK:   liveins: $lr, $r4, $r12 | 
|  | ; CHECK:   t2CMPri renamable $lr, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   tBcc %bb.13, 11 /* CC::lt */, killed $cpsr | 
|  | ; CHECK: bb.9.for.body.i57.preheader: | 
|  | ; CHECK:   successors: %bb.10(0x80000000) | 
|  | ; CHECK:   liveins: $lr, $r4, $r12 | 
|  | ; CHECK:   renamable $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r1 = IMPLICIT_DEF | 
|  | ; CHECK: bb.10.for.body.i57: | 
|  | ; CHECK:   successors: %bb.10(0x7c000000), %bb.11(0x04000000) | 
|  | ; CHECK:   liveins: $lr, $r0, $r1, $r4, $r12 | 
|  | ; CHECK:   renamable $r2, renamable $r4 = t2LDR_POST killed renamable $r4, 4, 14 /* CC::al */, $noreg :: (load (s32) from %ir.lsr.iv1) | 
|  | ; CHECK:   renamable $r1 = nsw tADDhirr killed renamable $r1, renamable $r2, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tCMPi8 renamable $r1, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   renamable $r3 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | ; CHECK:   tCMPi8 killed renamable $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   renamable $r2 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | ; CHECK:   tCMPi8 renamable $r1, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr | 
|  | ; CHECK:   renamable $r2 = t2ANDrr killed renamable $r2, killed renamable $r3, 14 /* CC::al */, $noreg, $noreg | 
|  | ; CHECK:   t2IT 12, 8, implicit-def $itstate | 
|  | ; CHECK:   $r1 = tMOVi8 $noreg, 0, 12 /* CC::gt */, killed $cpsr, implicit killed renamable $r1, implicit killed $itstate | 
|  | ; CHECK:   renamable $r0 = tADDhirr killed renamable $r0, killed renamable $r2, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $lr = t2LEUpdate killed renamable $lr, %bb.10 | 
|  | ; CHECK: bb.11.c.exit59.loopexit: | 
|  | ; CHECK:   successors: %bb.14(0x80000000) | 
|  | ; CHECK:   liveins: $r0, $r12 | 
|  | ; CHECK:   renamable $r7 = tSXTH killed renamable $r0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tB %bb.14, 14 /* CC::al */, $noreg | 
|  | ; CHECK: bb.12.c.exit.thread: | 
|  | ; CHECK:   successors: %bb.14(0x80000000) | 
|  | ; CHECK:   $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   renamable $r7, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tBL 14 /* CC::al */, $noreg, @crc16, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 | 
|  | ; CHECK:   $r12 = tMOVr killed $r0, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   tB %bb.14, 14 /* CC::al */, $noreg | 
|  | ; CHECK: bb.13: | 
|  | ; CHECK:   successors: %bb.14(0x80000000) | 
|  | ; CHECK:   liveins: $r12 | 
|  | ; CHECK:   renamable $r7, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg | 
|  | ; CHECK: bb.14.c.exit59: | 
|  | ; CHECK:   liveins: $r7, $r12 | 
|  | ; CHECK:   $r0 = tMOVr killed $r7, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $r1 = tMOVr killed $r12, 14 /* CC::al */, $noreg | 
|  | ; CHECK:   $sp = t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $lr | 
|  | ; CHECK:   tTAILJMPdND @crc16, 14 /* CC::al */, $noreg, implicit $sp, implicit $sp, implicit killed $r0, implicit killed $r1 | 
|  | bb.0.entry: | 
|  | successors: %bb.1(0x50000000), %bb.12(0x30000000) | 
|  | liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $lr | 
|  |  | 
|  | $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $lr | 
|  | frame-setup CFI_INSTRUCTION def_cfa_offset 32 | 
|  | frame-setup CFI_INSTRUCTION offset $lr, -4 | 
|  | frame-setup CFI_INSTRUCTION offset $r10, -8 | 
|  | frame-setup CFI_INSTRUCTION offset $r9, -12 | 
|  | frame-setup CFI_INSTRUCTION offset $r8, -16 | 
|  | frame-setup CFI_INSTRUCTION offset $r7, -20 | 
|  | frame-setup CFI_INSTRUCTION offset $r6, -24 | 
|  | frame-setup CFI_INSTRUCTION offset $r5, -28 | 
|  | frame-setup CFI_INSTRUCTION offset $r4, -32 | 
|  | tCMPi8 renamable $r0, 1, 14, $noreg, implicit-def $cpsr | 
|  | t2Bcc %bb.12, 11, killed $cpsr | 
|  |  | 
|  | bb.1.for.body.i.preheader: | 
|  | successors: %bb.2(0x80000000) | 
|  | liveins: $r0, $r1, $r2, $r3 | 
|  |  | 
|  | $r5 = tMOVr killed $r2, 14, $noreg | 
|  | $r8 = tMOVr killed $r3, 14, $noreg | 
|  | $r4 = tMOVr $r1, 14, $noreg | 
|  | renamable $r6, dead $cpsr = tMOVi8 0, 14, $noreg | 
|  | renamable $r2 = IMPLICIT_DEF | 
|  | $r10 = tMOVr $r0, 14, $noreg | 
|  | $lr = tMOVr $r0, 14, $noreg | 
|  | $lr = t2DoLoopStart killed renamable $r0 | 
|  |  | 
|  | bb.2.for.body.i: | 
|  | successors: %bb.2(0x7c000000), %bb.3(0x04000000) | 
|  | liveins: $lr, $r1, $r2, $r4, $r5, $r6, $r8, $r10 | 
|  |  | 
|  | renamable $r3, renamable $r1 = t2LDR_POST killed renamable $r1, 4, 14, $noreg :: (load (s32) from %ir.lsr.iv15) | 
|  | renamable $lr = t2LoopDec killed renamable $lr, 1 | 
|  | renamable $r2 = nsw tADDhirr killed renamable $r2, renamable $r3, 14, $noreg | 
|  | tCMPi8 renamable $r2, 0, 14, $noreg, implicit-def $cpsr | 
|  | renamable $r7 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | tCMPi8 killed renamable $r3, 0, 14, $noreg, implicit-def $cpsr | 
|  | renamable $r3 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | tCMPi8 renamable $r2, 0, 14, $noreg, implicit-def $cpsr | 
|  | renamable $r3 = t2ANDrr killed renamable $r3, killed renamable $r7, 14, $noreg, $noreg | 
|  | t2IT 12, 8, implicit-def $itstate | 
|  | $r2 = tMOVi8 $noreg, 0, 12, killed $cpsr, implicit killed renamable $r2, implicit killed $itstate | 
|  | renamable $r6 = tADDhirr killed renamable $r6, killed renamable $r3, 14, $noreg | 
|  | t2LoopEnd renamable $lr, %bb.2, implicit-def dead $cpsr | 
|  | tB %bb.3, 14, $noreg | 
|  |  | 
|  | bb.3.c.exit: | 
|  | successors: %bb.4(0x50000000), %bb.14(0x30000000) | 
|  | liveins: $r4, $r5, $r6, $r8, $r10 | 
|  |  | 
|  | renamable $r0 = tSXTH killed renamable $r6, 14, $noreg | 
|  | tBL 14, $noreg, @crc16, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 | 
|  | $r12 = tMOVr killed $r0, 14, $noreg | 
|  | renamable $r7, dead $cpsr = tMOVi8 0, 14, $noreg | 
|  | t2CMPri $r10, 1, 14, $noreg, implicit-def $cpsr | 
|  | tBcc %bb.14, 11, killed $cpsr | 
|  |  | 
|  | bb.4.for.cond4.preheader.us.preheader: | 
|  | successors: %bb.5(0x80000000) | 
|  | liveins: $r4, $r5, $r7, $r8, $r10, $r12 | 
|  |  | 
|  | renamable $r0 = t2ADDri $r10, 3, 14, $noreg, $noreg | 
|  | $lr = tMOVr $r10, 14, $noreg | 
|  | renamable $r0 = t2BICri killed renamable $r0, 3, 14, $noreg, $noreg | 
|  | renamable $r3 = t2LSLri $r10, 1, 14, $noreg, $noreg | 
|  | renamable $r1, dead $cpsr = tSUBi3 killed renamable $r0, 4, 14, $noreg | 
|  | renamable $r0, dead $cpsr = tMOVi8 1, 14, $noreg | 
|  | renamable $q0 = MVE_VDUP32 renamable $r7, 0, $noreg, $noreg, undef renamable $q0 | 
|  | renamable $r0 = nuw nsw t2ADDrs killed renamable $r0, renamable $r1, 19, 14, $noreg, $noreg | 
|  | renamable $r1, dead $cpsr = tLSRri killed renamable $r1, 2, 14, $noreg | 
|  | renamable $r9 = t2SUBrs $r10, killed renamable $r1, 18, 14, $noreg, $noreg | 
|  |  | 
|  | bb.5.for.cond4.preheader.us: | 
|  | successors: %bb.6(0x80000000) | 
|  | liveins: $lr, $q0, $r0, $r3, $r4, $r5, $r7, $r8, $r9, $r10, $r12 | 
|  |  | 
|  | renamable $r1 = t2LDRs renamable $r4, renamable $r7, 2, 14, $noreg :: (load (s32) from %ir.arrayidx12.us) | 
|  | $q1 = MVE_VORR $q0, $q0, 0, $noreg, $noreg, undef $q1 | 
|  | $r2 = tMOVr killed $lr, 14, $noreg | 
|  | renamable $q1 = MVE_VMOV_to_lane_32 killed renamable $q1, killed renamable $r1, 0, 14, $noreg | 
|  | $r6 = tMOVr $r5, 14, $noreg | 
|  | $r1 = tMOVr $r8, 14, $noreg | 
|  | $lr = tMOVr $r0, 14, $noreg | 
|  | $lr = t2DoLoopStart renamable $r0 | 
|  |  | 
|  | bb.6.vector.body: | 
|  | successors: %bb.6(0x7c000000), %bb.7(0x04000000) | 
|  | liveins: $lr, $q0, $q1, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $r12 | 
|  |  | 
|  | renamable $vpr = MVE_VCTP32 renamable $r2, 0, $noreg, $noreg | 
|  | $q2 = MVE_VORR killed $q1, $q1, 0, $noreg, $noreg, undef $q2 | 
|  | MVE_VPST 4, implicit $vpr | 
|  | renamable $r6, renamable $q1 = MVE_VLDRHS32_post killed renamable $r6, 8, 1, renamable $vpr, $noreg :: (load (s64) from %ir.lsr.iv1012, align 2) | 
|  | renamable $r1, renamable $q3 = MVE_VLDRHS32_post killed renamable $r1, 8, 1, killed renamable $vpr, $noreg :: (load (s64) from %ir.lsr.iv46, align 2) | 
|  | renamable $r2, dead $cpsr = tSUBi8 killed renamable $r2, 4, 14, $noreg | 
|  | renamable $q1 = nsw MVE_VMULi32 killed renamable $q3, killed renamable $q1, 0, $noreg, $noreg, undef renamable $q1 | 
|  | renamable $lr = t2LoopDec killed renamable $lr, 1 | 
|  | renamable $q1 = MVE_VADDi32 killed renamable $q1, renamable $q2, 0, $noreg, $noreg, undef renamable $q1 | 
|  | t2LoopEnd renamable $lr, %bb.6, implicit-def dead $cpsr | 
|  | tB %bb.7, 14, $noreg | 
|  |  | 
|  | bb.7.middle.block: | 
|  | successors: %bb.8(0x04000000), %bb.5(0x7c000000) | 
|  | liveins: $q0, $q1, $q2, $r0, $r3, $r4, $r5, $r7, $r8, $r9, $r10, $r12 | 
|  |  | 
|  | renamable $vpr = MVE_VCTP32 renamable $r9, 0, $noreg, $noreg | 
|  | renamable $r5 = tADDhirr killed renamable $r5, renamable $r3, 14, $noreg | 
|  | renamable $q1 = MVE_VPSEL killed renamable $q1, killed renamable $q2, 0, killed renamable $vpr, $noreg | 
|  | $lr = tMOVr $r10, 14, $noreg | 
|  | renamable $r2 = MVE_VADDVu32no_acc killed renamable $q1, 0, $noreg, $noreg | 
|  | t2STRs killed renamable $r2, renamable $r4, renamable $r7, 2, 14, $noreg :: (store (s32) into %ir.27) | 
|  | renamable $r7, dead $cpsr = nuw nsw tADDi8 killed renamable $r7, 1, 14, $noreg | 
|  | tCMPhir renamable $r7, $r10, 14, $noreg, implicit-def $cpsr | 
|  | tBcc %bb.5, 1, killed $cpsr | 
|  |  | 
|  | bb.8.for.end16: | 
|  | successors: %bb.9(0x50000000), %bb.13(0x30000000) | 
|  | liveins: $lr, $r4, $r12 | 
|  |  | 
|  | t2CMPri renamable $lr, 1, 14, $noreg, implicit-def $cpsr | 
|  | tBcc %bb.13, 11, killed $cpsr | 
|  |  | 
|  | bb.9.for.body.i57.preheader: | 
|  | successors: %bb.10(0x80000000) | 
|  | liveins: $lr, $r4, $r12 | 
|  |  | 
|  | renamable $r0, dead $cpsr = tMOVi8 0, 14, $noreg | 
|  | renamable $r1 = IMPLICIT_DEF | 
|  | $lr = t2DoLoopStart renamable $lr | 
|  |  | 
|  | bb.10.for.body.i57: | 
|  | successors: %bb.10(0x7c000000), %bb.11(0x04000000) | 
|  | liveins: $lr, $r0, $r1, $r4, $r12 | 
|  |  | 
|  | renamable $r2, renamable $r4 = t2LDR_POST killed renamable $r4, 4, 14, $noreg :: (load (s32) from %ir.lsr.iv1) | 
|  | renamable $lr = t2LoopDec killed renamable $lr, 1 | 
|  | renamable $r1 = nsw tADDhirr killed renamable $r1, renamable $r2, 14, $noreg | 
|  | tCMPi8 renamable $r1, 0, 14, $noreg, implicit-def $cpsr | 
|  | renamable $r3 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | tCMPi8 killed renamable $r2, 0, 14, $noreg, implicit-def $cpsr | 
|  | renamable $r2 = t2CSINC $zr, $zr, 13, implicit killed $cpsr | 
|  | tCMPi8 renamable $r1, 0, 14, $noreg, implicit-def $cpsr | 
|  | renamable $r2 = t2ANDrr killed renamable $r2, killed renamable $r3, 14, $noreg, $noreg | 
|  | t2IT 12, 8, implicit-def $itstate | 
|  | $r1 = tMOVi8 $noreg, 0, 12, killed $cpsr, implicit killed renamable $r1, implicit killed $itstate | 
|  | renamable $r0 = tADDhirr killed renamable $r0, killed renamable $r2, 14, $noreg | 
|  | t2LoopEnd renamable $lr, %bb.10, implicit-def dead $cpsr | 
|  | tB %bb.11, 14, $noreg | 
|  |  | 
|  | bb.11.c.exit59.loopexit: | 
|  | successors: %bb.14(0x80000000) | 
|  | liveins: $r0, $r12 | 
|  |  | 
|  | renamable $r7 = tSXTH killed renamable $r0, 14, $noreg | 
|  | tB %bb.14, 14, $noreg | 
|  |  | 
|  | bb.12.c.exit.thread: | 
|  | successors: %bb.14(0x80000000) | 
|  |  | 
|  | $r0, dead $cpsr = tMOVi8 0, 14, $noreg | 
|  | renamable $r7, dead $cpsr = tMOVi8 0, 14, $noreg | 
|  | tBL 14, $noreg, @crc16, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 | 
|  | $r12 = tMOVr killed $r0, 14, $noreg | 
|  | tB %bb.14, 14, $noreg | 
|  |  | 
|  | bb.13: | 
|  | successors: %bb.14(0x80000000) | 
|  | liveins: $r12 | 
|  |  | 
|  | renamable $r7, dead $cpsr = tMOVi8 0, 14, $noreg | 
|  |  | 
|  | bb.14.c.exit59: | 
|  | liveins: $r7, $r12 | 
|  |  | 
|  | $r0 = tMOVr killed $r7, 14, $noreg | 
|  | $r1 = tMOVr killed $r12, 14, $noreg | 
|  | $sp = t2LDMIA_UPD $sp, 14, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $lr | 
|  | tTAILJMPdND @crc16, 14, $noreg, implicit $sp, implicit $sp, implicit killed $r0, implicit killed $r1 | 
|  |  | 
|  | ... |