1 ; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple \
2 ; RUN: aarch64-arm-linux-gnu %s -o - | FileCheck %s
4 ; Check that outlined functions use the dedicated RETAA/RETAB instructions
5 ; to sign their return address if available.
8 ; CHECK-LABEL: a: // @a
11 ; CHECK: bl [[OUTLINED_FUNC:OUTLINED_FUNCTION_[0-9]+]]
12 %1 = alloca i32, align 4
13 %2 = alloca i32, align 4
14 %3 = alloca i32, align 4
15 %4 = alloca i32, align 4
16 %5 = alloca i32, align 4
17 %6 = alloca i32, align 4
18 store i32 1, ptr %1, align 4
19 store i32 2, ptr %2, align 4
20 store i32 3, ptr %3, align 4
21 store i32 4, ptr %4, align 4
22 store i32 5, ptr %5, align 4
23 store i32 6, ptr %6, align 4
25 ; CHECK-NOT: auti[a,b]sp
30 ; CHECK-LABEL: b: // @b
33 ; CHECK: bl OUTLINED_FUNC
34 %1 = alloca i32, align 4
35 %2 = alloca i32, align 4
36 %3 = alloca i32, align 4
37 %4 = alloca i32, align 4
38 %5 = alloca i32, align 4
39 %6 = alloca i32, align 4
40 store i32 1, ptr %1, align 4
41 store i32 2, ptr %2, align 4
42 store i32 3, ptr %3, align 4
43 store i32 4, ptr %4, align 4
44 store i32 5, ptr %5, align 4
45 store i32 6, ptr %6, align 4
47 ; CHECK-NOT: auti[a,b]sp
52 ; CHECK-LABEL: c: // @c
55 ; CHECK: bl OUTLINED_FUNC
56 %1 = alloca i32, align 4
57 %2 = alloca i32, align 4
58 %3 = alloca i32, align 4
59 %4 = alloca i32, align 4
60 %5 = alloca i32, align 4
61 %6 = alloca i32, align 4
62 store i32 1, ptr %1, align 4
63 store i32 2, ptr %2, align 4
64 store i32 3, ptr %3, align 4
65 store i32 4, ptr %4, align 4
66 store i32 5, ptr %5, align 4
67 store i32 6, ptr %6, align 4
69 ; CHECK-NOT: auti[a,b]sp
73 attributes #0 = { "sign-return-address"="all"
74 "sign-return-address-key"="b_key"
75 "target-features"="+v8.3a"
78 ; CHECK: OUTLINED_FUNC
82 ; CHECK-NOT: auti[a,b]sp