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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-LABEL: f1:
17
18; CHECK:        addiu   $sp, $sp, -32
19; CHECK:        addiu   $2, $sp, 32
20}
21
22
23define i8* @f2() nounwind {
24entry:
25  %x = alloca [65536 x i8], align 1
26  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
27  ret i8* %0
28
29; CHECK-LABEL: f2:
30
31; check stack size (65536 + 8)
32; CHECK:        lui     $[[R0:[a-z0-9]+]], 1
33; CHECK:        addiu   $[[R0]], $[[R0]], 8
34; CHECK:        subu    $sp, $sp, $[[R0]]
35
36; check return value ($sp + stack size)
37; CHECK:        lui     $[[R1:[a-z0-9]+]], 1
38; CHECK:        addu    $[[R1]], $sp, $[[R1]]
39; CHECK:        addiu   $2, $[[R1]], 8
40}
41
42
43define i32 @f3() nounwind {
44entry:
45  %x = alloca [32 x i8], align 1
46  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
47  %1 = ptrtoint i8* %0 to i32
48  %2 = call i8* @llvm.frameaddress(i32 0)
49  %3 = ptrtoint i8* %2 to i32
50  %add = add i32 %1, %3
51  ret i32 %add
52
53; CHECK-LABEL: f3:
54
55; CHECK:        addiu   $sp, $sp, -40
56
57; check return value ($fp + stack size + $fp)
58; CHECK:        addiu   $[[R0:[a-z0-9]+]], $fp, 40
59; CHECK:        addu    $2, $[[R0]], $fp
60}
61
62
63define i8* @f4() nounwind {
64entry:
65  %x = alloca [32 x i8], align 1
66  %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
67  ret i8* %0
68
69; CHECK-LABEL: f4:
70
71; CHECK-MIPS64:        daddiu   $sp, $sp, -32
72; CHECK-MIPS64:        daddiu   $2, $sp, 32
73}
74