1// RUN: %clang_cc1 -Oz -emit-llvm %s -o - | FileCheck %s -check-prefix=Oz
2// RUN: %clang_cc1     -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
3// RUN: %clang_cc1 -O1 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
4// RUN: %clang_cc1 -O2 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
5// RUN: %clang_cc1 -O3 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
6// RUN: %clang_cc1 -Os -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
7// Check that we set the minsize attribute on each function
8// when Oz optimization level is set.
9
10__attribute__((minsize))
11int test1() {
12  return 42;
13// Oz: @{{.*}}test1{{.*}}[[MINSIZE:#[0-9]+]]
14// OTHER: @{{.*}}test1{{.*}}[[MS:#[0-9]+]]
15}
16
17int test2() {
18  return 42;
19// Oz: @{{.*}}test2{{.*}}[[MINSIZE]]
20// Oz: ret
21// OTHER: @{{.*}}test2
22// OTHER-NOT: [[MS]]
23// OTHER: ret
24}
25
26int test3() {
27  return 42;
28// Oz: @{{.*}}test3{{.*}}[[MINSIZE]]
29// Oz: ret
30// OTHER: @{{.*}}test3
31// OTHER-NOT: [[MS]]
32// OTHER: ret
33}
34
35// Check that the minsize attribute is well propagated through
36// template instantiation
37
38template<typename T>
39__attribute__((minsize))
40void test4(T arg) {
41  return;
42}
43
44template
45void test4<int>(int arg);
46// Oz: define{{.*}}void @{{.*}}test4
47// Oz: [[MINSIZE]]
48// OTHER: define{{.*}}void @{{.*}}test4
49// OTHER: [[MS]]
50
51template
52void test4<float>(float arg);
53// Oz: define{{.*}}void @{{.*}}test4
54// Oz: [[MINSIZE]]
55// OTHER: define{{.*}}void @{{.*}}test4
56// OTHER: [[MS]]
57
58template<typename T>
59void test5(T arg) {
60  return;
61}
62
63template
64void test5<int>(int arg);
65// Oz: define{{.*}}void @{{.*}}test5
66// Oz: [[MINSIZE]]
67// OTHER: define{{.*}}void @{{.*}}test5
68// OTHER-NOT: define{{.*}}void @{{.*}}test5{{.*}}[[MS]]
69
70template
71void test5<float>(float arg);
72// Oz: define{{.*}}void @{{.*}}test5
73// Oz: [[MINSIZE]]
74// OTHER: define{{.*}}void @{{.*}}test5
75// OTHER-NOT: define{{.*}}void @{{.*}}test5{{.*}}[[MS]]
76
77// Oz: attributes [[MINSIZE]] = { minsize{{.*}} }
78
79// OTHER: attributes [[MS]] = { minsize nounwind{{.*}} }
80