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| 1 | +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6 |
1 | 2 | ; RUN: llc < %s -mtriple=aarch64-windows | FileCheck %s |
2 | 3 |
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3 | 4 | define dso_local i32 @func(ptr %g, i32 %a) "sign-return-address"="non-leaf" "sign-return-address-key"="b_key" { |
| 5 | +; CHECK-LABEL: func: |
| 6 | +; CHECK: .seh_proc func |
| 7 | +; CHECK-NEXT: // %bb.0: // %entry |
| 8 | +; CHECK-NEXT: hint #27 |
| 9 | +; CHECK-NEXT: .seh_pac_sign_lr |
| 10 | +; CHECK-NEXT: str x19, [sp, #-16]! // 8-byte Folded Spill |
| 11 | +; CHECK-NEXT: .seh_save_reg_x x19, 16 |
| 12 | +; CHECK-NEXT: str x30, [sp, #8] // 8-byte Spill |
| 13 | +; CHECK-NEXT: .seh_save_reg x30, 8 |
| 14 | +; CHECK-NEXT: .seh_endprologue |
| 15 | +; CHECK-NEXT: mov w19, w1 |
| 16 | +; CHECK-NEXT: blr x0 |
| 17 | +; CHECK-NEXT: mov w0, w19 |
| 18 | +; CHECK-NEXT: .seh_startepilogue |
| 19 | +; CHECK-NEXT: ldr x30, [sp, #8] // 8-byte Reload |
| 20 | +; CHECK-NEXT: .seh_save_reg x30, 8 |
| 21 | +; CHECK-NEXT: ldr x19, [sp], #16 // 8-byte Folded Reload |
| 22 | +; CHECK-NEXT: .seh_save_reg_x x19, 16 |
| 23 | +; CHECK-NEXT: hint #31 |
| 24 | +; CHECK-NEXT: .seh_pac_sign_lr |
| 25 | +; CHECK-NEXT: .seh_endepilogue |
| 26 | +; CHECK-NEXT: ret |
| 27 | +; CHECK-NEXT: .seh_endfunclet |
| 28 | +; CHECK-NEXT: .seh_endproc |
4 | 29 | entry: |
5 | 30 | tail call void %g() #2 |
6 | 31 | ret i32 %a |
7 | 32 | } |
8 | 33 |
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| 34 | +;; For func2, check that the potentially folded autibsp+ret -> retab |
| 35 | +;; is handled correctly - currently we inhibit producing retab here. |
| 36 | + |
9 | 37 | define dso_local i32 @func2(ptr %g, i32 %a) "sign-return-address"="non-leaf" "sign-return-address-key"="b_key" "target-features"="+v8.3a" { |
| 38 | +; CHECK-LABEL: func2: |
| 39 | +; CHECK: .seh_proc func2 |
| 40 | +; CHECK-NEXT: // %bb.0: // %entry |
| 41 | +; CHECK-NEXT: pacibsp |
| 42 | +; CHECK-NEXT: .seh_pac_sign_lr |
| 43 | +; CHECK-NEXT: str x19, [sp, #-16]! // 8-byte Folded Spill |
| 44 | +; CHECK-NEXT: .seh_save_reg_x x19, 16 |
| 45 | +; CHECK-NEXT: str x30, [sp, #8] // 8-byte Spill |
| 46 | +; CHECK-NEXT: .seh_save_reg x30, 8 |
| 47 | +; CHECK-NEXT: .seh_endprologue |
| 48 | +; CHECK-NEXT: mov w19, w1 |
| 49 | +; CHECK-NEXT: blr x0 |
| 50 | +; CHECK-NEXT: mov w0, w19 |
| 51 | +; CHECK-NEXT: .seh_startepilogue |
| 52 | +; CHECK-NEXT: ldr x30, [sp, #8] // 8-byte Reload |
| 53 | +; CHECK-NEXT: .seh_save_reg x30, 8 |
| 54 | +; CHECK-NEXT: ldr x19, [sp], #16 // 8-byte Folded Reload |
| 55 | +; CHECK-NEXT: .seh_save_reg_x x19, 16 |
| 56 | +; CHECK-NEXT: autibsp |
| 57 | +; CHECK-NEXT: .seh_pac_sign_lr |
| 58 | +; CHECK-NEXT: .seh_endepilogue |
| 59 | +; CHECK-NEXT: ret |
| 60 | +; CHECK-NEXT: .seh_endfunclet |
| 61 | +; CHECK-NEXT: .seh_endproc |
10 | 62 | entry: |
11 | 63 | tail call void %g() #2 |
12 | 64 | ret i32 %a |
13 | 65 | } |
14 | | - |
15 | | - |
16 | | -; CHECK-LABEL: func: |
17 | | -; CHECK-NEXT: .seh_proc func |
18 | | -; CHECK-NEXT: // %bb.0: |
19 | | -; CHECK-NEXT: hint #27 |
20 | | -; CHECK-NEXT: .seh_pac_sign_lr |
21 | | -; CHECK-NEXT: str x19, [sp, #-16]! |
22 | | -; CHECK-NEXT: .seh_save_reg_x x19, 16 |
23 | | -; CHECK-NEXT: str x30, [sp, #8] |
24 | | -; CHECK-NEXT: .seh_save_reg x30, 8 |
25 | | -; CHECK-NEXT: .seh_endprologue |
26 | | - |
27 | | -; CHECK: .seh_startepilogue |
28 | | -; CHECK-NEXT: ldr x30, [sp, #8] |
29 | | -; CHECK-NEXT: .seh_save_reg x30, 8 |
30 | | -; CHECK-NEXT: ldr x19, [sp], #16 |
31 | | -; CHECK-NEXT: .seh_save_reg_x x19, 16 |
32 | | -; CHECK-NEXT: hint #31 |
33 | | -; CHECK-NEXT: .seh_pac_sign_lr |
34 | | -; CHECK-NEXT: .seh_endepilogue |
35 | | -; CHECK-NEXT: ret |
36 | | -; CHECK-NEXT: .seh_endfunclet |
37 | | -; CHECK-NEXT: .seh_endproc |
38 | | - |
39 | | -;; For func2, check that the potentially folded autibsp+ret -> retab |
40 | | -;; is handled correctly - currently we inhibit producing retab here. |
41 | | - |
42 | | -; CHECK-LABEL: func2: |
43 | | -; CHECK-NEXT: .seh_proc func2 |
44 | | -; CHECK-NEXT: // %bb.0: |
45 | | -; CHECK-NEXT: pacibsp |
46 | | -; CHECK-NEXT: .seh_pac_sign_lr |
47 | | -; CHECK-NEXT: str x19, [sp, #-16]! |
48 | | -; CHECK-NEXT: .seh_save_reg_x x19, 16 |
49 | | -; CHECK-NEXT: str x30, [sp, #8] |
50 | | -; CHECK-NEXT: .seh_save_reg x30, 8 |
51 | | -; CHECK-NEXT: .seh_endprologue |
52 | | - |
53 | | -; CHECK: .seh_startepilogue |
54 | | -; CHECK-NEXT: ldr x30, [sp, #8] |
55 | | -; CHECK-NEXT: .seh_save_reg x30, 8 |
56 | | -; CHECK-NEXT: ldr x19, [sp], #16 |
57 | | -; CHECK-NEXT: .seh_save_reg_x x19, 16 |
58 | | -; CHECK-NEXT: autibsp |
59 | | -; CHECK-NEXT: .seh_pac_sign_lr |
60 | | -; CHECK-NEXT: .seh_endepilogue |
61 | | -; CHECK-NEXT: ret |
62 | | -; CHECK-NEXT: .seh_endfunclet |
63 | | -; CHECK-NEXT: .seh_endproc |
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