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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select -global-isel-abort=1 %s | FileCheck %s3--- |4 define i32 @jt_test(i32 %x) {5 entry:6 switch i32 %x, label %return [7 i32 75, label %sw.bb8 i32 34, label %sw.bb9 i32 56, label %sw.bb10 i32 35, label %sw.bb11 i32 40, label %sw.bb12 i32 4, label %sw.bb113 i32 5, label %sw.bb114 i32 6, label %sw.bb115 ]16 17 sw.bb:18 %add = add nsw i32 %x, 4219 br label %return20 21 sw.bb1:22 %mul = mul nsw i32 %x, 323 br label %return24 25 return:26 %retval.0 = phi i32 [ %mul, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ]27 ret i32 %retval.028 }29 30...31---32name: jt_test33alignment: 434legalized: true35regBankSelected: true36tracksRegLiveness: true37machineFunctionInfo: {}38jumpTable:39 kind: block-address40 entries:41 - id: 042 blocks: [ '%bb.3', '%bb.3', '%bb.3', '%bb.4', '%bb.4', '%bb.4',43 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',44 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',45 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',46 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',47 '%bb.2', '%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4',48 '%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',49 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',50 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2', '%bb.4',51 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',52 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',53 '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2' ]54body: |55 ; CHECK-LABEL: name: jt_test56 ; CHECK: bb.0.entry:57 ; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.1(0x40000000)58 ; CHECK-NEXT: liveins: $w059 ; CHECK-NEXT: {{ $}}60 ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w061 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr62 ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 4, 0, implicit-def dead $nzcv63 ; CHECK-NEXT: [[ORRWrs:%[0-9]+]]:gpr32 = ORRWrs $wzr, [[SUBSWri]], 064 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gpr64common = SUBREG_TO_REG 0, [[ORRWrs]], %subreg.sub_3265 ; CHECK-NEXT: [[SUBSXri:%[0-9]+]]:gpr64 = SUBSXri [[SUBREG_TO_REG]], 71, 0, implicit-def $nzcv66 ; CHECK-NEXT: Bcc 8, %bb.4, implicit $nzcv67 ; CHECK-NEXT: {{ $}}68 ; CHECK-NEXT: bb.1.entry:69 ; CHECK-NEXT: successors: %bb.3(0x2aaaaaab), %bb.4(0x2aaaaaab), %bb.2(0x2aaaaaab)70 ; CHECK-NEXT: {{ $}}71 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $wzr72 ; CHECK-NEXT: [[MOVaddrJT:%[0-9]+]]:gpr64common = MOVaddrJT target-flags(aarch64-page) %jump-table.0, target-flags(aarch64-pageoff, aarch64-nc) %jump-table.073 ; CHECK-NEXT: early-clobber %17:gpr64, early-clobber %18:gpr64sp = JumpTableDest32 [[MOVaddrJT]], [[SUBREG_TO_REG]], %jump-table.074 ; CHECK-NEXT: JUMP_TABLE_DEBUG_INFO 075 ; CHECK-NEXT: BR %1776 ; CHECK-NEXT: {{ $}}77 ; CHECK-NEXT: bb.2.sw.bb:78 ; CHECK-NEXT: successors: %bb.4(0x80000000)79 ; CHECK-NEXT: {{ $}}80 ; CHECK-NEXT: [[ADDWri:%[0-9]+]]:gpr32sp = nsw ADDWri [[COPY]], 42, 081 ; CHECK-NEXT: B %bb.482 ; CHECK-NEXT: {{ $}}83 ; CHECK-NEXT: bb.3.sw.bb1:84 ; CHECK-NEXT: successors: %bb.4(0x80000000)85 ; CHECK-NEXT: {{ $}}86 ; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 387 ; CHECK-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = nsw MADDWrrr [[COPY]], [[MOVi32imm]], $wzr88 ; CHECK-NEXT: {{ $}}89 ; CHECK-NEXT: bb.4.return:90 ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[MADDWrrr]], %bb.3, [[ADDWri]], %bb.2, [[COPY1]], %bb.0, [[COPY2]], %bb.191 ; CHECK-NEXT: $w0 = COPY [[PHI]]92 ; CHECK-NEXT: RET_ReallyLR implicit $w093 bb.1.entry:94 liveins: $w095 96 %0:gpr(s32) = COPY $w097 %4:gpr(s32) = G_CONSTANT i32 7198 %8:gpr(s32) = G_CONSTANT i32 399 %10:gpr(s32) = G_CONSTANT i32 42100 %13:gpr(s32) = G_CONSTANT i32 0101 %1:gpr(s32) = G_CONSTANT i32 4102 %2:gpr(s32) = G_SUB %0, %1103 %3:gpr(s64) = G_ZEXT %2(s32)104 %5:gpr(s64) = G_ZEXT %4(s32)105 %14:gpr(s32) = G_ICMP intpred(ugt), %3(s64), %5106 G_BRCOND %14, %bb.4107 108 bb.5.entry:109 successors: %bb.3, %bb.4, %bb.2110 111 %17:gpr(s32) = G_CONSTANT i32 0112 %7:gpr(p0) = G_JUMP_TABLE %jump-table.0113 G_BRJT %7(p0), %jump-table.0, %3(s64)114 115 bb.2.sw.bb:116 %16:gpr(s32) = G_CONSTANT i32 42117 %11:gpr(s32) = nsw G_ADD %0, %16118 G_BR %bb.4119 120 bb.3.sw.bb1:121 %15:gpr(s32) = G_CONSTANT i32 3122 %9:gpr(s32) = nsw G_MUL %0, %15123 124 bb.4.return:125 %12:gpr(s32) = G_PHI %9(s32), %bb.3, %11(s32), %bb.2, %13(s32), %bb.1, %17(s32), %bb.5126 $w0 = COPY %12(s32)127 RET_ReallyLR implicit $w0128 129...130