1; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
2; RUN: llc -march=mips64el -mcpu=mips4 < %s | \
3; RUN:      FileCheck %s -check-prefix=CHECK-MIPS64
4; RUN: llc -march=mips64el -mcpu=mips64 < %s | \
5; RUN:      FileCheck %s -check-prefix=CHECK-MIPS64
6
7declare i8* @llvm.eh.dwarf.cfa(i32) nounwind
8declare i8* @llvm.frameaddress(i32) nounwind readnone
9
10define i8* @f1() nounwind {
11entry:
12  %x = alloca [32 x i8], align 1
13  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
14  ret i8* %0
15
16; CHECK:        addiu   $sp, $sp, -32
17; CHECK:        addiu   $2, $sp, 32
18}
19
20
21define i8* @f2() nounwind {
22entry:
23  %x = alloca [65536 x i8], align 1
24  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
25  ret i8* %0
26
27; check stack size (65536 + 8)
28; CHECK:        lui     $[[R0:[a-z0-9]+]], 65535
29; CHECK:        addiu   $[[R0]], $[[R0]], -8
30; CHECK:        addu    $sp, $sp, $[[R0]]
31
32; check return value ($sp + stack size)
33; CHECK:        lui     $[[R1:[a-z0-9]+]], 1
34; CHECK:        addu    $[[R1]], $sp, $[[R1]]
35; CHECK:        addiu   $2, $[[R1]], 8
36}
37
38
39define i32 @f3() nounwind {
40entry:
41  %x = alloca [32 x i8], align 1
42  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
43  %1 = ptrtoint i8* %0 to i32
44  %2 = call i8* @llvm.frameaddress(i32 0)
45  %3 = ptrtoint i8* %2 to i32
46  %add = add i32 %1, %3
47  ret i32 %add
48
49; CHECK:        addiu   $sp, $sp, -40
50
51; check return value ($fp + stack size + $fp)
52; CHECK:        addiu   $[[R0:[a-z0-9]+]], $fp, 40
53; CHECK:        addu    $2, $[[R0]], $fp
54}
55
56
57define i8* @f4() nounwind {
58entry:
59  %x = alloca [32 x i8], align 1
60  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
61  ret i8* %0
62
63; CHECK-MIPS64:        daddiu   $sp, $sp, -32
64; CHECK-MIPS64:        daddiu   $2, $sp, 32
65}
66