1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2 ; RUN: llc -mtriple=thumbv8m.main-none-eabi %s -o - | FileCheck %s
4 define i32 @test_leaf(i32 %arg0, i32 %arg1, i32 %arg2, i32 %arg3, i32 %x) "sign-return-address"="all" {
5 ; CHECK-LABEL: test_leaf:
6 ; CHECK: @ %bb.0: @ %entry
7 ; CHECK-NEXT: pac r12, lr, sp
8 ; CHECK-NEXT: .save {ra_auth_code}
9 ; CHECK-NEXT: str r12, [sp, #-4]!
10 ; CHECK-NEXT: ldr r0, [sp, #4]
11 ; CHECK-NEXT: ldr r12, [sp], #4
12 ; CHECK-NEXT: aut r12, lr, sp
18 define i32 @test_non_leaf(i32 %arg0, i32 %arg1, i32 %arg2, i32 %arg3, i32 %x) "sign-return-address"="all" {
19 ; CHECK-LABEL: test_non_leaf:
20 ; CHECK: @ %bb.0: @ %entry
21 ; CHECK-NEXT: pac r12, lr, sp
22 ; CHECK-NEXT: .save {r7, lr}
23 ; CHECK-NEXT: push {r7, lr}
24 ; CHECK-NEXT: .save {ra_auth_code}
25 ; CHECK-NEXT: str r12, [sp, #-4]!
27 ; CHECK-NEXT: sub sp, #4
28 ; CHECK-NEXT: bl otherfn
29 ; CHECK-NEXT: ldr r0, [sp, #16]
30 ; CHECK-NEXT: add sp, #4
31 ; CHECK-NEXT: ldr r12, [sp], #4
32 ; CHECK-NEXT: pop.w {r7, lr}
33 ; CHECK-NEXT: aut r12, lr, sp
40 declare void @otherfn(...)
42 !llvm.module.flags = !{!0, !1, !2}
44 !0 = !{i32 8, !"branch-target-enforcement", i32 0}
45 !1 = !{i32 8, !"sign-return-address", i32 1}
46 !2 = !{i32 8, !"sign-return-address-all", i32 1}