1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s -check-prefix=X64
3; RUN: llc < %s -mtriple=i686-unknown-unknown   | FileCheck %s -check-prefix=X32
4
5; tailcc will turn all of these musttail calls into tail calls.
6
7declare dso_local tailcc i32 @tailcallee(i32 %a1, i32 %a2)
8
9define tailcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
10; X64-LABEL: tailcaller:
11; X64:       # %bb.0: # %entry
12; X64-NEXT:    jmp tailcallee # TAILCALL
13;
14; X32-LABEL: tailcaller:
15; X32:       # %bb.0: # %entry
16; X32-NEXT:    jmp tailcallee # TAILCALL
17entry:
18  %tmp11 = musttail call tailcc i32 @tailcallee(i32 %in1, i32 %in2)
19  ret i32 %tmp11
20}
21
22declare dso_local tailcc i8* @alias_callee()
23
24define tailcc noalias i8* @noalias_caller() nounwind {
25; X64-LABEL: noalias_caller:
26; X64:       # %bb.0:
27; X64-NEXT:    jmp alias_callee # TAILCALL
28;
29; X32-LABEL: noalias_caller:
30; X32:       # %bb.0:
31; X32-NEXT:    jmp alias_callee # TAILCALL
32  %p = musttail call tailcc i8* @alias_callee()
33  ret i8* %p
34}
35
36declare dso_local tailcc noalias i8* @noalias_callee()
37
38define tailcc i8* @alias_caller() nounwind {
39; X64-LABEL: alias_caller:
40; X64:       # %bb.0:
41; X64-NEXT:    jmp noalias_callee # TAILCALL
42;
43; X32-LABEL: alias_caller:
44; X32:       # %bb.0:
45; X32-NEXT:    jmp noalias_callee # TAILCALL
46  %p = musttail call tailcc noalias i8* @noalias_callee()
47  ret i8* %p
48}
49
50define tailcc void @void_test(i32, i32, i32, i32) {
51; X64-LABEL: void_test:
52; X64:       # %bb.0: # %entry
53; X64-NEXT:    jmp void_test # TAILCALL
54;
55; X32-LABEL: void_test:
56; X32:       # %bb.0: # %entry
57; X32-NEXT:    pushl %esi
58; X32-NEXT:    .cfi_def_cfa_offset 8
59; X32-NEXT:    .cfi_offset %esi, -8
60; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
61; X32-NEXT:    movl {{[0-9]+}}(%esp), %esi
62; X32-NEXT:    movl %esi, {{[0-9]+}}(%esp)
63; X32-NEXT:    movl %eax, {{[0-9]+}}(%esp)
64; X32-NEXT:    popl %esi
65; X32-NEXT:    .cfi_def_cfa_offset 4
66; X32-NEXT:    jmp void_test # TAILCALL
67  entry:
68   musttail call tailcc void @void_test( i32 %0, i32 %1, i32 %2, i32 %3)
69   ret void
70}
71
72define tailcc i1 @i1test(i32, i32, i32, i32) {
73; X64-LABEL: i1test:
74; X64:       # %bb.0: # %entry
75; X64-NEXT:    jmp i1test # TAILCALL
76;
77; X32-LABEL: i1test:
78; X32:       # %bb.0: # %entry
79; X32-NEXT:    pushl %esi
80; X32-NEXT:    .cfi_def_cfa_offset 8
81; X32-NEXT:    .cfi_offset %esi, -8
82; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
83; X32-NEXT:    movl {{[0-9]+}}(%esp), %esi
84; X32-NEXT:    movl %esi, {{[0-9]+}}(%esp)
85; X32-NEXT:    movl %eax, {{[0-9]+}}(%esp)
86; X32-NEXT:    popl %esi
87; X32-NEXT:    .cfi_def_cfa_offset 4
88; X32-NEXT:    jmp i1test # TAILCALL
89  entry:
90  %4 = musttail call tailcc i1 @i1test( i32 %0, i32 %1, i32 %2, i32 %3)
91  ret i1 %4
92}
93