1; RUN: opt -S -Oz < %s | FileCheck %s -check-prefix=OZ
2; RUN: opt -S -O2 < %s | FileCheck %s -check-prefix=O2
3; RUN: opt -S -Os < %s | FileCheck %s -check-prefix=OS
4
5; The inline threshold for a function with the optsize attribute is currently
6; the same as the global inline threshold for -Os. Check that the optsize
7; function attribute doesn't alter the function-specific inline threshold if the
8; global inline threshold is lower (as for -Oz).
9
10@a = global i32 4
11
12; This function should be larger than the inline threshold for -Oz (25), but
13; smaller than the inline threshold for optsize (75).
14define i32 @inner() {
15  call void @extern()
16  %a1 = load volatile i32, i32* @a
17  %x1 = add i32 %a1,  %a1
18  %a2 = load volatile i32, i32* @a
19  %x2 = add i32 %x1, %a2
20  %a3 = load volatile i32, i32* @a
21  %x3 = add i32 %x2, %a3
22  %a4 = load volatile i32, i32* @a
23  %x4 = add i32 %x3, %a4
24  %a5 = load volatile i32, i32* @a
25  %x5 = add i32 %x3, %a5
26  ret i32 %x5
27}
28
29; @inner() should be inlined for -O2 and -Os but not for -Oz.
30; OZ: call
31; O2-NOT: call
32; OS-NOT: call
33define i32 @outer() optsize {
34   %r = call i32 @inner()
35   ret i32 %r
36}
37
38; @inner() should not be inlined for -O2, -Os and -Oz.
39; OZ: call
40; O2: call
41; OS: call
42define i32 @outer2() minsize {
43   %r = call i32 @inner()
44   ret i32 %r
45}
46
47declare void @extern()