1; RUN: llc -verify-machineinstrs -o - %s -aarch64-min-jump-table-entries=4 -mtriple=arm64_32-apple-ios7.0 -aarch64-enable-atomic-cfg-tidy=0 | FileCheck %s 2 3define i32 @test_jumptable(i32 %in) { 4; CHECK: test_jumptable 5 6 switch i32 %in, label %def [ 7 i32 0, label %lbl1 8 i32 1, label %lbl2 9 i32 2, label %lbl3 10 i32 4, label %lbl4 11 ] 12 13; CHECK: mov w[[INDEX:[0-9]+]], w0 14; CHECK: adrp [[JTPAGE:x[0-9]+]], LJTI0_0@PAGE 15; CHECK: add x[[JT:[0-9]+]], [[JTPAGE]], LJTI0_0@PAGEOFF 16; CHECK: adr [[BASE_BLOCK:x[0-9]+]], LBB0_2 17; CHECK: ldrb w[[OFFSET:[0-9]+]], [x[[JT]], x[[INDEX]]] 18; CHECK: add [[DEST:x[0-9]+]], [[BASE_BLOCK]], x[[OFFSET]], lsl #2 19; CHECK: br [[DEST]] 20 21def: 22 ret i32 0 23 24lbl1: 25 ret i32 1 26 27lbl2: 28 ret i32 2 29 30lbl3: 31 ret i32 4 32 33lbl4: 34 ret i32 8 35 36} 37 38; CHECK: LJTI0_0: 39; CHECK-NEXT: .byte 40; CHECK-NEXT: .byte 41; CHECK-NEXT: .byte 42; CHECK-NEXT: .byte 43; CHECK-NEXT: .byte 44