1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=sparc < %s | FileCheck %s --check-prefix=V8
; RUN: llc -march=sparcv9 < %s | FileCheck %s --check-prefix=SPARC64
; (this should ideally be doing "add 4+7; and -8", instead of
; "add 7; and -8; add 8"; see comments in LowerDYNAMIC_STACKALLOC)
define void @variable_alloca_with_adj_call_stack(i32 %num) {
; V8-LABEL: variable_alloca_with_adj_call_stack:
; V8: .cfi_startproc
; V8-NEXT: ! %bb.0: ! %entry
; V8-NEXT: save %sp, -96, %sp
; V8-NEXT: .cfi_def_cfa_register %fp
; V8-NEXT: .cfi_window_save
; V8-NEXT: .cfi_register 15, 31
; V8-NEXT: add %i0, 7, %i0
; V8-NEXT: and %i0, -8, %i0
; V8-NEXT: sub %sp, %i0, %i0
; V8-NEXT: add %i0, -8, %sp
; V8-NEXT: add %i0, 88, %o0
; V8-NEXT: add %sp, -16, %sp
; V8-NEXT: st %o0, [%sp+104]
; V8-NEXT: st %o0, [%sp+100]
; V8-NEXT: st %o0, [%sp+96]
; V8-NEXT: st %o0, [%sp+92]
; V8-NEXT: mov %o0, %o1
; V8-NEXT: mov %o0, %o2
; V8-NEXT: mov %o0, %o3
; V8-NEXT: mov %o0, %o4
; V8-NEXT: call foo
; V8-NEXT: mov %o0, %o5
; V8-NEXT: add %sp, 16, %sp
; V8-NEXT: ret
; V8-NEXT: restore
;
; SPARC64-LABEL: variable_alloca_with_adj_call_stack:
; SPARC64: .cfi_startproc
; SPARC64-NEXT: ! %bb.0: ! %entry
; SPARC64-NEXT: save %sp, -128, %sp
; SPARC64-NEXT: .cfi_def_cfa_register %fp
; SPARC64-NEXT: .cfi_window_save
; SPARC64-NEXT: .cfi_register 15, 31
; SPARC64-NEXT: srl %i0, 0, %i0
; SPARC64-NEXT: add %i0, 15, %i0
; SPARC64-NEXT: sethi 4194303, %i1
; SPARC64-NEXT: or %i1, 1008, %i1
; SPARC64-NEXT: sethi 0, %i2
; SPARC64-NEXT: or %i2, 1, %i2
; SPARC64-NEXT: sllx %i2, 32, %i2
; SPARC64-NEXT: or %i2, %i1, %i1
; SPARC64-NEXT: and %i0, %i1, %i0
; SPARC64-NEXT: sub %sp, %i0, %i0
; SPARC64-NEXT: add %i0, 2175, %o0
; SPARC64-NEXT: mov %i0, %sp
; SPARC64-NEXT: add %sp, -80, %sp
; SPARC64-NEXT: stx %o0, [%sp+2247]
; SPARC64-NEXT: stx %o0, [%sp+2239]
; SPARC64-NEXT: stx %o0, [%sp+2231]
; SPARC64-NEXT: stx %o0, [%sp+2223]
; SPARC64-NEXT: mov %o0, %o1
; SPARC64-NEXT: mov %o0, %o2
; SPARC64-NEXT: mov %o0, %o3
; SPARC64-NEXT: mov %o0, %o4
; SPARC64-NEXT: call foo
; SPARC64-NEXT: mov %o0, %o5
; SPARC64-NEXT: add %sp, 80, %sp
; SPARC64-NEXT: ret
; SPARC64-NEXT: restore
entry:
%0 = alloca i8, i32 %num, align 8
call void @foo(i8* %0, i8* %0, i8* %0, i8* %0, i8* %0, i8* %0, i8* %0, i8* %0, i8* %0, i8* %0)
ret void
}
declare void @foo(i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*);
|