| ; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64_32-apple-ios7.0 -aarch64-enable-atomic-cfg-tidy=0 | FileCheck %s |
| |
| define i32 @test_jumptable(i32 %in) { |
| ; CHECK: test_jumptable |
| |
| switch i32 %in, label %def [ |
| i32 0, label %lbl1 |
| i32 1, label %lbl2 |
| i32 2, label %lbl3 |
| i32 4, label %lbl4 |
| ] |
| ; CHECK: adrp [[JTPAGE:x[0-9]+]], LJTI0_0@PAGE |
| ; CHECK: mov w[[INDEX:[0-9]+]], w0 |
| ; CHECK: add x[[JT:[0-9]+]], [[JTPAGE]], LJTI0_0@PAGEOFF |
| ; CHECK: adr [[BASE_BLOCK:x[0-9]+]], LBB0_2 |
| ; CHECK: ldrb w[[OFFSET:[0-9]+]], [x[[JT]], x[[INDEX]]] |
| ; CHECK: add [[DEST:x[0-9]+]], [[BASE_BLOCK]], x[[OFFSET]], lsl #2 |
| ; CHECK: br [[DEST]] |
| |
| def: |
| ret i32 0 |
| |
| lbl1: |
| ret i32 1 |
| |
| lbl2: |
| ret i32 2 |
| |
| lbl3: |
| ret i32 4 |
| |
| lbl4: |
| ret i32 8 |
| |
| } |
| |
| ; CHECK: LJTI0_0: |
| ; CHECK-NEXT: .byte |
| ; CHECK-NEXT: .byte |
| ; CHECK-NEXT: .byte |
| ; CHECK-NEXT: .byte |
| ; CHECK-NEXT: .byte |
