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