forked from OSchip/llvm-project
43 lines
882 B
LLVM
43 lines
882 B
LLVM
; 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
|