1; RUN: llc < %s -asm-verbose=false | FileCheck %s
2
3; Test that function pointer casts are replaced with wrappers.
4
5target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
6target triple = "wasm32-unknown-unknown"
7
8; CHECK-LABEL: test:
9; CHECK-NEXT: call        .Lbitcast@FUNCTION{{$}}
10; CHECK-NEXT: call        .Lbitcast@FUNCTION{{$}}
11; CHECK-NEXT: call        .Lbitcast.1@FUNCTION{{$}}
12; CHECK-NEXT: i32.const   $push[[L0:[0-9]+]]=, 0
13; CHECK-NEXT: call        .Lbitcast.2@FUNCTION, $pop[[L0]]{{$}}
14; CHECK-NEXT: i32.const   $push[[L1:[0-9]+]]=, 0
15; CHECK-NEXT: call        .Lbitcast.2@FUNCTION, $pop[[L1]]{{$}}
16; CHECK-NEXT: i32.const   $push[[L2:[0-9]+]]=, 0
17; CHECK-NEXT: call        .Lbitcast.2@FUNCTION, $pop[[L2]]{{$}}
18; CHECK-NEXT: call        foo0@FUNCTION
19; CHECK-NEXT: i32.call    $drop=, .Lbitcast.3@FUNCTION{{$}}
20; CHECK-NEXT: call        foo2@FUNCTION{{$}}
21; CHECK-NEXT: call        foo1@FUNCTION{{$}}
22; CHECK-NEXT: call        foo3@FUNCTION{{$}}
23; CHECK-NEXT: .endfunc
24
25; CHECK-LABEL: .Lbitcast:
26; CHECK-NEXT: .local      i32
27; CHECK-NEXT: call        has_i32_arg@FUNCTION, $0{{$}}
28; CHECK-NEXT: .endfunc
29
30; CHECK-LABEL: .Lbitcast.1:
31; CHECK-NEXT: call        $drop=, has_i32_ret@FUNCTION{{$}}
32; CHECK-NEXT: .endfunc
33
34; CHECK-LABEL: .Lbitcast.2:
35; CHECK-NEXT: .param      i32
36; CHECK-NEXT: call        foo0@FUNCTION{{$}}
37; CHECK-NEXT: .endfunc
38
39; CHECK-LABEL: .Lbitcast.3:
40; CHECK-NEXT: .result     i32
41; CHECK-NEXT: .local      i32
42; CHECK-NEXT: call        foo1@FUNCTION{{$}}
43; CHECK-NEXT: copy_local  $push0=, $0
44; CHECK-NEXT: .endfunc
45
46declare void @has_i32_arg(i32)
47declare i32 @has_i32_ret()
48
49declare void @foo0()
50declare void @foo1()
51declare void @foo2()
52declare void @foo3()
53
54define void @test() {
55entry:
56  call void bitcast (void (i32)* @has_i32_arg to void ()*)()
57  call void bitcast (void (i32)* @has_i32_arg to void ()*)()
58  call void bitcast (i32 ()* @has_i32_ret to void ()*)()
59  call void bitcast (void ()* @foo0 to void (i32)*)(i32 0)
60  %p = bitcast void ()* @foo0 to void (i32)*
61  call void %p(i32 0)
62  %q = bitcast void ()* @foo0 to void (i32)*
63  call void %q(i32 0)
64  %r = bitcast void (i32)* %q to void ()*
65  call void %r()
66  %t = call i32 bitcast (void ()* @foo1 to i32 ()*)()
67  call void bitcast (void ()* @foo2 to void ()*)()
68  call void @foo1()
69  call void @foo3()
70
71  ret void
72}
73