xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/jump-table.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -o - %s -mtriple=aarch64-none-linux-gnu -aarch64-atomic-cfg-tidy=0 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -code-model=large -verify-machineinstrs -o - %s -mtriple=aarch64-none-linux-gnu -aarch64-atomic-cfg-tidy=0 | FileCheck --check-prefix=CHECK-LARGE %s
3*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic -aarch64-atomic-cfg-tidy=0 -o - %s | FileCheck --check-prefix=CHECK-PIC %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @test_jumptable(i32 %in) {
6*9880d681SAndroid Build Coastguard Worker; CHECK: test_jumptable
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker  switch i32 %in, label %def [
9*9880d681SAndroid Build Coastguard Worker    i32 0, label %lbl1
10*9880d681SAndroid Build Coastguard Worker    i32 1, label %lbl2
11*9880d681SAndroid Build Coastguard Worker    i32 2, label %lbl3
12*9880d681SAndroid Build Coastguard Worker    i32 4, label %lbl4
13*9880d681SAndroid Build Coastguard Worker  ]
14*9880d681SAndroid Build Coastguard Worker; CHECK: adrp [[JTPAGE:x[0-9]+]], .LJTI0_0
15*9880d681SAndroid Build Coastguard Worker; CHECK: add x[[JT:[0-9]+]], [[JTPAGE]], {{#?}}:lo12:.LJTI0_0
16*9880d681SAndroid Build Coastguard Worker; CHECK: ldr [[DEST:x[0-9]+]], [x[[JT]], {{x[0-9]+}}, lsl #3]
17*9880d681SAndroid Build Coastguard Worker; CHECK: br [[DEST]]
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker; CHECK-LARGE: movz x[[JTADDR:[0-9]+]], #:abs_g3:.LJTI0_0
20*9880d681SAndroid Build Coastguard Worker; CHECK-LARGE: movk x[[JTADDR]], #:abs_g2_nc:.LJTI0_0
21*9880d681SAndroid Build Coastguard Worker; CHECK-LARGE: movk x[[JTADDR]], #:abs_g1_nc:.LJTI0_0
22*9880d681SAndroid Build Coastguard Worker; CHECK-LARGE: movk x[[JTADDR]], #:abs_g0_nc:.LJTI0_0
23*9880d681SAndroid Build Coastguard Worker; CHECK-LARGE: ldr [[DEST:x[0-9]+]], [x[[JTADDR]], {{x[0-9]+}}, lsl #3]
24*9880d681SAndroid Build Coastguard Worker; CHECK-LARGE: br [[DEST]]
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Worker; CHECK-PIC: adrp [[JTPAGE:x[0-9]+]], .LJTI0_0
27*9880d681SAndroid Build Coastguard Worker; CHECK-PIC: add x[[JT:[0-9]+]], [[JTPAGE]], {{#?}}:lo12:.LJTI0_0
28*9880d681SAndroid Build Coastguard Worker; CHECK-PIC: ldrsw [[DEST:x[0-9]+]], [x[[JT]], {{x[0-9]+}}, lsl #2]
29*9880d681SAndroid Build Coastguard Worker; CHECK-PIC: add [[TABLE:x[0-9]+]], [[DEST]], x[[JT]]
30*9880d681SAndroid Build Coastguard Worker; CHECK-PIC: br [[TABLE]]
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerdef:
33*9880d681SAndroid Build Coastguard Worker  ret i32 0
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerlbl1:
36*9880d681SAndroid Build Coastguard Worker  ret i32 1
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Workerlbl2:
39*9880d681SAndroid Build Coastguard Worker  ret i32 2
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerlbl3:
42*9880d681SAndroid Build Coastguard Worker  ret i32 4
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerlbl4:
45*9880d681SAndroid Build Coastguard Worker  ret i32 8
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Worker}
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard Worker; CHECK: .rodata
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Worker; CHECK: .LJTI0_0:
52*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword
53*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword
54*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword
55*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword
56*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword
57*9880d681SAndroid Build Coastguard Worker
58*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NOT: .data_region
59*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NOT: .LJTI0_0
60*9880d681SAndroid Build Coastguard Worker; CHECK-PIC: .LJTI0_0:
61*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NEXT: .word .LBB{{.*}}-.LJTI0_0
62*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NEXT: .word .LBB{{.*}}-.LJTI0_0
63*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NEXT: .word .LBB{{.*}}-.LJTI0_0
64*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NEXT: .word .LBB{{.*}}-.LJTI0_0
65*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NEXT: .word .LBB{{.*}}-.LJTI0_0
66*9880d681SAndroid Build Coastguard Worker; CHECK-PIC-NOT: .end_data_region
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