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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  %a1 = load volatile i32, i32* @a
16  %x1 = add i32 %a1,  %a1
17  %a2 = load volatile i32, i32* @a
18  %x2 = add i32 %x1, %a2
19  %a3 = load volatile i32, i32* @a
20  %x3 = add i32 %x2, %a3
21  %a4 = load volatile i32, i32* @a
22  %x4 = add i32 %x3, %a4
23  %a5 = load volatile i32, i32* @a
24  %x5 = add i32 %x3, %a5
25  ret i32 %x5
26}
27
28; @inner() should be inlined for -O2 and -Os but not for -Oz.
29; OZ: call
30; O2-NOT: call
31; OS-NOT: call
32define i32 @outer() optsize {
33   %r = call i32 @inner()
34   ret i32 %r
35}
36
37; @inner() should not be inlined for -O2, -Os and -Oz.
38; OZ: call
39; O2: call
40; OS: call
41define i32 @outer2() minsize {
42   %r = call i32 @inner()
43   ret i32 %r
44}
45