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1; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
2
3declare void @llvm.eh.return.i32(i32, i8*)
4declare void @foo(...)
5
6define i8* @f1(i32 %offset, i8* %handler) {
7entry:
8  call void (...)* @foo()
9  call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
10  unreachable
11
12; CHECK:        f1
13; CHECK:        addiu   $sp, $sp, -[[spoffset:[0-9]+]]
14
15; check that $a0-$a3 are saved on stack.
16; CHECK:        sw      $4, [[offset0:[0-9]+]]($sp)
17; CHECK:        sw      $5, [[offset1:[0-9]+]]($sp)
18; CHECK:        sw      $6, [[offset2:[0-9]+]]($sp)
19; CHECK:        sw      $7, [[offset3:[0-9]+]]($sp)
20
21; check that .cfi_offset directives are emitted for $a0-$a3.
22; CHECK:        .cfi_offset 4,
23; CHECK:        .cfi_offset 5,
24; CHECK:        .cfi_offset 6,
25; CHECK:        .cfi_offset 7,
26
27; check that stack adjustment and handler are put in $v1 and $v0.
28; CHECK:        move    $[[R0:[a-z0-9]+]], $5
29; CHECK:        move    $[[R1:[a-z0-9]+]], $4
30; CHECK:        move    $3, $[[R1]]
31; CHECK:        move    $2, $[[R0]]
32
33; check that $a0-$a3 are restored from stack.
34; CHECK:        lw      $4, [[offset0]]($sp)
35; CHECK:        lw      $5, [[offset1]]($sp)
36; CHECK:        lw      $6, [[offset2]]($sp)
37; CHECK:        lw      $7, [[offset3]]($sp)
38
39; check that stack is adjusted by $v1 and that code returns to address in $v0
40; also check that $25 contains handler value
41; CHECK:        addiu   $sp, $sp, [[spoffset]]
42; CHECK:        move    $25, $2
43; CHECK:        move    $ra, $2
44; CHECK:        jr      $ra
45; CHECK:        addu    $sp, $sp, $3
46}
47
48define i8* @f2(i32 %offset, i8* %handler) {
49entry:
50  call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
51  unreachable
52
53; CHECK:        f2
54; CHECK:        addiu   $sp, $sp, -[[spoffset:[0-9]+]]
55
56; check that $a0-$a3 are saved on stack.
57; CHECK:        sw      $4, [[offset0:[0-9]+]]($sp)
58; CHECK:        sw      $5, [[offset1:[0-9]+]]($sp)
59; CHECK:        sw      $6, [[offset2:[0-9]+]]($sp)
60; CHECK:        sw      $7, [[offset3:[0-9]+]]($sp)
61
62; check that .cfi_offset directives are emitted for $a0-$a3.
63; CHECK:        .cfi_offset 4,
64; CHECK:        .cfi_offset 5,
65; CHECK:        .cfi_offset 6,
66; CHECK:        .cfi_offset 7,
67
68; check that stack adjustment and handler are put in $v1 and $v0.
69; CHECK:        move    $3, $4
70; CHECK:        move    $2, $5
71
72; check that $a0-$a3 are restored from stack.
73; CHECK:        lw      $4, [[offset0]]($sp)
74; CHECK:        lw      $5, [[offset1]]($sp)
75; CHECK:        lw      $6, [[offset2]]($sp)
76; CHECK:        lw      $7, [[offset3]]($sp)
77
78; check that stack is adjusted by $v1 and that code returns to address in $v0
79; also check that $25 contains handler value
80; CHECK:        addiu   $sp, $sp, [[spoffset]]
81; CHECK:        move    $25, $2
82; CHECK:        move    $ra, $2
83; CHECK:        jr      $ra
84; CHECK:        addu    $sp, $sp, $3
85}
86