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1; RUN: llvm-split -preserve-locals -o %t %s
2; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
3; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
4
5; The local_var and local_func must not be separated.
6; CHECK0: @local_var
7; CHECK0: define internal fastcc void @local_func
8; The main and a must not be separated.
9; The main and local_func must not be together.
10; CHECK1: @a
11; CHECK1: define i32 @main
12; CHECK1: declare fastcc void @local_func
13
14@a = internal global i32 0, align 4
15@global_storage = common global i32 0, align 4
16@local_var = internal global i32 0, align 4
17
18; Function Attrs: nounwind
19define i32 @main(i32 %x) {
20entry:
21  %call = call fastcc i32 @foo(i32 %x, i32* nonnull @a)
22  %call1 = call fastcc i32 @baz(i32 %x)
23  %add = add nsw i32 %call, %call1
24  ret i32 %add
25}
26
27; Function Attrs: nounwind
28define fastcc i32 @bar(i32 %b) {
29entry:
30  %call = call fastcc i32 @baz(i32 %b)
31  ret i32 %call
32}
33
34; Function Attrs: nounwind
35define fastcc i32 @baz(i32 %x) {
36entry:
37  store i32 %x, i32* @global_storage, align 4
38  %shl = shl i32 %x, %x
39  ret i32 %shl
40}
41
42; Function Attrs: noinline nounwind
43define fastcc i32 @foo(i32 %a, i32* nocapture %b) {
44entry:
45  call fastcc void @local_func()
46  %call = call fastcc i32 @bar(i32 %a)
47  %0 = load i32, i32* @global_storage, align 4
48  %call1 = call fastcc i32 @baz(i32 %0)
49  %add = add nsw i32 %call, %call1
50  store i32 %add, i32* %b, align 4
51  %call.i = call fastcc i32 @baz(i32 %add) #2
52  %add.i = add nsw i32 %call.i, 2
53  %1 = load volatile i32, i32* @local_var, align 4
54  %add3 = add nsw i32 %add.i, %1
55  ret i32 %add3
56}
57
58; Function Attrs: noinline nounwind
59define internal fastcc void @local_func() section ".text" {
60entry:
61  %0 = load i32, i32* @global_storage, align 4
62  %call = call fastcc i32 @foo(i32 %0, i32* null)
63  store volatile i32 %call, i32* @local_var, align 4
64  ret void
65}
66