1 ; RUN: llc -march=mipsel -relocation-model=pic -enable-mips-tail-calls < %s | \
2 ; RUN: FileCheck %s -check-prefix=PIC32
3 ; RUN: llc -march=mipsel -relocation-model=static \
4 ; RUN: -enable-mips-tail-calls < %s | FileCheck %s -check-prefix=STATIC32
5 ; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=+n64 -enable-mips-tail-calls \
6 ; RUN: < %s | FileCheck %s -check-prefix=N64
8 @g0 = common global i32 0, align 4
9 @g1 = common global i32 0, align 4
10 @g2 = common global i32 0, align 4
11 @g3 = common global i32 0, align 4
12 @g4 = common global i32 0, align 4
13 @g5 = common global i32 0, align 4
14 @g6 = common global i32 0, align 4
15 @g7 = common global i32 0, align 4
16 @g8 = common global i32 0, align 4
17 @g9 = common global i32 0, align 4
19 define i32 @caller1(i32 %a0) nounwind {
25 %call = tail call i32 @callee1(i32 1, i32 1, i32 1, i32 %a0) nounwind
29 declare i32 @callee1(i32, i32, i32, i32)
31 define i32 @caller2(i32 %a0, i32 %a1, i32 %a2, i32 %a3) nounwind {
37 %call = tail call i32 @callee2(i32 1, i32 %a0, i32 %a1, i32 %a2, i32 %a3) nounwind
41 declare i32 @callee2(i32, i32, i32, i32, i32)
43 define i32 @caller3(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4) nounwind {
49 %call = tail call i32 @callee3(i32 1, i32 1, i32 1, i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4) nounwind
53 declare i32 @callee3(i32, i32, i32, i32, i32, i32, i32, i32)
55 define i32 @caller4(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6, i32 %a7) nounwind {
61 %call = tail call i32 @callee4(i32 1, i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6, i32 %a7) nounwind
65 declare i32 @callee4(i32, i32, i32, i32, i32, i32, i32, i32, i32)
67 define i32 @caller5() nounwind readonly {
72 ; STATIC32: .ent caller5
74 ; STATIC32: .end caller5
79 %0 = load i32* @g0, align 4
80 %1 = load i32* @g1, align 4
81 %2 = load i32* @g2, align 4
82 %3 = load i32* @g3, align 4
83 %4 = load i32* @g4, align 4
84 %5 = load i32* @g5, align 4
85 %6 = load i32* @g6, align 4
86 %7 = load i32* @g7, align 4
87 %8 = load i32* @g8, align 4
88 %9 = load i32* @g9, align 4
89 %call = tail call fastcc i32 @callee5(i32 %0, i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7, i32 %8, i32 %9)
93 define internal fastcc i32 @callee5(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6, i32 %a7, i32 %a8, i32 %a9) nounwind readnone noinline {
95 %add = add nsw i32 %a1, %a0
96 %add1 = add nsw i32 %add, %a2
97 %add2 = add nsw i32 %add1, %a3
98 %add3 = add nsw i32 %add2, %a4
99 %add4 = add nsw i32 %add3, %a5
100 %add5 = add nsw i32 %add4, %a6
101 %add6 = add nsw i32 %add5, %a7
102 %add7 = add nsw i32 %add6, %a8
103 %add8 = add nsw i32 %add7, %a9
107 declare i32 @callee8(i32, ...)
109 define i32 @caller8_0() nounwind {
111 %call = tail call fastcc i32 @caller8_1()
115 define internal fastcc i32 @caller8_1() nounwind noinline {
117 ; PIC32: .ent caller8_1
119 ; PIC32: .end caller8_1
120 ; STATIC32: .ent caller8_1
122 ; STATIC32: .end caller8_1
123 ; N64: .ent caller8_1
125 ; N64: .end caller8_1
127 %call = tail call i32 (i32, ...)* @callee8(i32 2, i32 1) nounwind
131 %struct.S = type { [2 x i32] }
133 @gs1 = external global %struct.S
135 declare i32 @callee9(%struct.S* byval)
137 define i32 @caller9_0() nounwind {
139 %call = tail call fastcc i32 @caller9_1()
143 define internal fastcc i32 @caller9_1() nounwind noinline {
145 ; PIC32: .ent caller9_1
147 ; PIC32: .end caller9_1
148 ; STATIC32: .ent caller9_1
150 ; STATIC32: .end caller9_1
151 ; N64: .ent caller9_1
153 ; N64: .end caller9_1
155 %call = tail call i32 @callee9(%struct.S* byval @gs1) nounwind