# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select %s | FileCheck %s --- | define i32 @jt_test(i32 %x) { entry: switch i32 %x, label %return [ i32 75, label %sw.bb i32 34, label %sw.bb i32 56, label %sw.bb i32 35, label %sw.bb i32 40, label %sw.bb i32 4, label %sw.bb1 i32 5, label %sw.bb1 i32 6, label %sw.bb1 ] sw.bb: %add = add nsw i32 %x, 42 br label %return sw.bb1: %mul = mul nsw i32 %x, 3 br label %return return: %retval.0 = phi i32 [ %mul, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ] ret i32 %retval.0 } ... --- name: jt_test alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true machineFunctionInfo: {} jumpTable: kind: block-address entries: - id: 0 blocks: [ '%bb.3', '%bb.3', '%bb.3', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2', '%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2' ] body: | ; CHECK-LABEL: name: jt_test ; CHECK: bb.0.entry: ; CHECK: successors: %bb.4(0x40000000), %bb.1(0x40000000) ; CHECK: liveins: $w0 ; CHECK: [[COPY:%[0-9]+]]:gpr32common = COPY $w0 ; CHECK: [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr ; CHECK: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 4, 0, implicit-def $nzcv ; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64common = SUBREG_TO_REG 0, [[SUBSWri]], %subreg.sub_32 ; CHECK: [[SUBSXri:%[0-9]+]]:gpr64 = SUBSXri [[SUBREG_TO_REG]], 71, 0, implicit-def $nzcv ; CHECK: Bcc 8, %bb.4, implicit $nzcv ; CHECK: bb.1.entry: ; CHECK: successors: %bb.3(0x2aaaaaab), %bb.4(0x2aaaaaab), %bb.2(0x2aaaaaab) ; CHECK: [[COPY2:%[0-9]+]]:gpr32 = COPY $wzr ; CHECK: [[MOVaddrJT:%[0-9]+]]:gpr64 = MOVaddrJT target-flags(aarch64-page) %jump-table.0, target-flags(aarch64-pageoff, aarch64-nc) %jump-table.0 ; CHECK: early-clobber %18:gpr64, early-clobber %19:gpr64sp = JumpTableDest32 [[MOVaddrJT]], [[SUBREG_TO_REG]], %jump-table.0 ; CHECK: BR %18 ; CHECK: bb.2.sw.bb: ; CHECK: successors: %bb.4(0x80000000) ; CHECK: [[ADDWri:%[0-9]+]]:gpr32sp = nsw ADDWri [[COPY]], 42, 0 ; CHECK: B %bb.4 ; CHECK: bb.3.sw.bb1: ; CHECK: successors: %bb.4(0x80000000) ; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 3 ; CHECK: [[MADDWrrr:%[0-9]+]]:gpr32 = nsw MADDWrrr [[COPY]], [[MOVi32imm]], $wzr ; CHECK: bb.4.return: ; CHECK: [[PHI:%[0-9]+]]:gpr32 = PHI [[MADDWrrr]], %bb.3, [[ADDWri]], %bb.2, [[COPY1]], %bb.0, [[COPY2]], %bb.1 ; CHECK: $w0 = COPY [[PHI]] ; CHECK: RET_ReallyLR implicit $w0 bb.1.entry: liveins: $w0 %0:gpr(s32) = COPY $w0 %4:gpr(s32) = G_CONSTANT i32 71 %8:gpr(s32) = G_CONSTANT i32 3 %10:gpr(s32) = G_CONSTANT i32 42 %13:gpr(s32) = G_CONSTANT i32 0 %1:gpr(s32) = G_CONSTANT i32 4 %2:gpr(s32) = G_SUB %0, %1 %3:gpr(s64) = G_ZEXT %2(s32) %5:gpr(s64) = G_ZEXT %4(s32) %14:gpr(s32) = G_ICMP intpred(ugt), %3(s64), %5 %6:gpr(s1) = G_TRUNC %14(s32) G_BRCOND %6(s1), %bb.4 bb.5.entry: successors: %bb.3, %bb.4, %bb.2 %17:gpr(s32) = G_CONSTANT i32 0 %7:gpr(p0) = G_JUMP_TABLE %jump-table.0 G_BRJT %7(p0), %jump-table.0, %3(s64) bb.2.sw.bb: %16:gpr(s32) = G_CONSTANT i32 42 %11:gpr(s32) = nsw G_ADD %0, %16 G_BR %bb.4 bb.3.sw.bb1: %15:gpr(s32) = G_CONSTANT i32 3 %9:gpr(s32) = nsw G_MUL %0, %15 bb.4.return: %12:gpr(s32) = G_PHI %9(s32), %bb.3, %11(s32), %bb.2, %13(s32), %bb.1, %17(s32), %bb.5 $w0 = COPY %12(s32) RET_ReallyLR implicit $w0 ...