xref: /llvm-project/llvm/test/CodeGen/X86/vararg_tailcall.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s -check-prefix=X64
2; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s -check-prefix=WIN64
3
4@.str = private unnamed_addr constant [5 x i8] c"%ld\0A\00"
5@sel = external global ptr
6@sel3 = external global ptr
7@sel4 = external global ptr
8@sel5 = external global ptr
9@sel6 = external global ptr
10@sel7 = external global ptr
11
12; X64: @foo
13; X64: jmp
14; WIN64: @foo
15; WIN64: callq
16define void @foo(i64 %arg) nounwind optsize ssp noredzone {
17entry:
18  %call = tail call i32 (ptr, ...) @printf(ptr @.str, i64 %arg) nounwind optsize noredzone
19  ret void
20}
21
22declare i32 @printf(ptr, ...) optsize noredzone
23
24; X64: @bar
25; X64: jmp
26; WIN64: @bar
27; WIN64: jmp
28define void @bar(i64 %arg) nounwind optsize ssp noredzone {
29entry:
30  tail call void @bar2(ptr @.str, i64 %arg) nounwind optsize noredzone
31  ret void
32}
33
34declare void @bar2(ptr, i64) optsize noredzone
35
36; X64: @foo2
37; X64: jmp
38; WIN64: @foo2
39; WIN64: callq
40define ptr @foo2(ptr %arg) nounwind optsize ssp noredzone {
41entry:
42  %tmp1 = load ptr, ptr @sel, align 8
43  %call = tail call ptr (ptr, ptr, ...) @x2(ptr %arg, ptr %tmp1) nounwind optsize noredzone
44  ret ptr %call
45}
46
47declare ptr @x2(ptr, ptr, ...) optsize noredzone
48
49; X64: @foo6
50; X64: jmp
51; WIN64: @foo6
52; WIN64: callq
53define ptr @foo6(ptr %arg1, ptr %arg2) nounwind optsize ssp noredzone {
54entry:
55  %tmp2 = load ptr, ptr @sel3, align 8
56  %tmp3 = load ptr, ptr @sel4, align 8
57  %tmp4 = load ptr, ptr @sel5, align 8
58  %tmp5 = load ptr, ptr @sel6, align 8
59  %call = tail call ptr (ptr, ptr, ptr, ...) @x3(ptr %arg1, ptr %arg2, ptr %tmp2, ptr %tmp3, ptr %tmp4, ptr %tmp5) nounwind optsize noredzone
60  ret ptr %call
61}
62
63declare ptr @x3(ptr, ptr, ptr, ...) optsize noredzone
64
65; X64: @foo7
66; X64: callq
67; WIN64: @foo7
68; WIN64: callq
69define ptr @foo7(ptr %arg1, ptr %arg2) nounwind optsize ssp noredzone {
70entry:
71  %tmp2 = load ptr, ptr @sel3, align 8
72  %tmp3 = load ptr, ptr @sel4, align 8
73  %tmp4 = load ptr, ptr @sel5, align 8
74  %tmp5 = load ptr, ptr @sel6, align 8
75  %tmp6 = load ptr, ptr @sel7, align 8
76  %call = tail call ptr (ptr, ptr, ptr, ptr, ptr, ptr, ptr, ...) @x7(ptr %arg1, ptr %arg2, ptr %tmp2, ptr %tmp3, ptr %tmp4, ptr %tmp5, ptr %tmp6) nounwind optsize noredzone
77  ret ptr %call
78}
79
80declare ptr @x7(ptr, ptr, ptr, ptr, ptr, ptr, ptr, ...) optsize noredzone
81
82; X64: @foo8
83; X64: callq
84; WIN64: @foo8
85; WIN64: callq
86define ptr @foo8(ptr %arg1, ptr %arg2) nounwind optsize ssp noredzone {
87entry:
88  %tmp2 = load ptr, ptr @sel3, align 8
89  %tmp3 = load ptr, ptr @sel4, align 8
90  %tmp4 = load ptr, ptr @sel5, align 8
91  %tmp5 = load ptr, ptr @sel6, align 8
92  %call = tail call ptr (ptr, ptr, ptr, ...) @x3(ptr %arg1, ptr %arg2, ptr %tmp2, ptr %tmp3, ptr %tmp4, ptr %tmp5, i32 48879, i32 48879) nounwind optsize noredzone
93  ret ptr %call
94}
95