xref: /llvm-project/llvm/test/CodeGen/AArch64/sponentry.ll (revision 5ddce70ef0e5a641d7fea95e31fc5e2439cb98cb) 
1; RUN: llc -mtriple=aarch64-windows-msvc -frame-pointer=all %s -o - | FileCheck %s
2; RUN: llc -mtriple=aarch64-windows-msvc -fast-isel -frame-pointer=all %s -o - | FileCheck %s
3; RUN: llc -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s --check-prefix=NOFP
4; RUN: llc -mtriple=aarch64-windows-msvc -fast-isel %s -o - | FileCheck %s --check-prefix=NOFP
5
6@env2 = common dso_local global ptr null, align 8
7
8define dso_local void @bar() {
9  %1 = call ptr @llvm.sponentry()
10  %2 = load ptr, ptr @env2, align 8
11  %3 = call i32 @_setjmpex(ptr %2, ptr %1) #2
12  ret void
13}
14
15; CHECK: bar:
16; CHECK: mov     x29, sp
17; CHECK: add     x1, x29, #16
18; CHECK: bl      _setjmpex
19
20; NOFP: str     x30, [sp, #-16]!
21; NOFP: add     x1, sp, #16
22
23define dso_local void @foo(ptr) {
24  %2 = alloca ptr, align 8
25  %3 = alloca i32, align 4
26  %4 = alloca [100 x i32], align 4
27  store ptr %0, ptr %2, align 8
28  %5 = call ptr @llvm.sponentry()
29  %6 = load ptr, ptr %2, align 8
30  %7 = call i32 @_setjmpex(ptr %6, ptr %5)
31  store i32 %7, ptr %3, align 4
32  ret void
33}
34
35; CHECK: foo:
36; CHECK: sub     sp, sp, #448
37; CHECK: add     x29, sp, #424
38; CHECK: add     x1, x29, #24
39; CHECK: bl      _setjmpex
40
41; NOFP: sub     sp, sp, #432
42; NOFP: add     x1, sp, #432
43
44define dso_local void @var_args(ptr, ...) {
45  %2 = alloca ptr, align 8
46  %3 = alloca ptr, align 8
47  store ptr %0, ptr %2, align 8
48  call void @llvm.va_start(ptr %3)
49  %4 = load ptr, ptr %3, align 8
50  %5 = getelementptr inbounds i8, ptr %4, i64 8
51  store ptr %5, ptr %3, align 8
52  %6 = load i32, ptr %4, align 8
53  call void @llvm.va_end(ptr %3)
54  %7 = call ptr @llvm.sponentry()
55  %8 = load ptr, ptr @env2, align 8
56  %9 = call i32 @_setjmpex(ptr %8, ptr %7) #3
57  ret void
58}
59
60; CHECK: var_args:
61; CHECK: sub     sp, sp, #96
62; CHECK: add     x29, sp, #16
63; CHECK: add     x1, x29, #80
64; CHECK: bl      _setjmpex
65
66; NOFP: sub     sp, sp, #96
67; NOFP: add     x1, sp, #96
68
69define dso_local void @manyargs(i64 %x1, i64 %x2, i64 %x3, i64 %x4, i64 %x5, i64 %x6, i64 %x7, i64 %x8, i64 %x9, i64 %x10) {
70  %1 = call ptr @llvm.sponentry()
71  %2 = load ptr, ptr @env2, align 8
72  %3 = call i32 @_setjmpex(ptr %2, ptr %1) #2
73  ret void
74}
75
76; CHECK: manyargs:
77; CHECK: stp     x29, x30, [sp, #-16]!
78; CHECK: add     x1, x29, #16
79
80; NOFP: str     x30, [sp, #-16]!
81; NOFP: add     x1, sp, #16
82
83; Function Attrs: nounwind readnone
84declare ptr @llvm.sponentry()
85
86; Function Attrs: returns_twice
87declare dso_local i32 @_setjmpex(ptr, ptr)
88
89; Function Attrs: nounwind
90declare void @llvm.va_start(ptr) #1
91
92; Function Attrs: nounwind
93declare void @llvm.va_end(ptr) #1
94