blob: 3781eba2669480bd1b0a8c1952334fc2946454d3 [file] [log] [blame]
Rafael Espindola1ed1a592010-06-16 19:01:17 +00001// RUN: %clang_cc1 -triple arm-unknown-linux-gnueabi -emit-llvm -o - %s | FileCheck %s
Daniel Dunbar34771b52009-09-14 04:33:21 +00002
Rafael Espindola75d0f822010-06-16 17:49:52 +00003// CHECK: declare i32 @printf(i8*, ...)
Daniel Dunbar34771b52009-09-14 04:33:21 +00004void f0() {
5 printf("a\n");
6}
7
Rafael Espindola75d0f822010-06-16 17:49:52 +00008// CHECK: call void @exit
Daniel Dunbar34771b52009-09-14 04:33:21 +00009// CHECK: unreachable
10void f1() {
11 exit(1);
12}
Eli Friedmanc2853722011-03-24 05:09:45 +000013
14// CHECK: call i8* @strstr{{.*}} nounwind
15char* f2(char* a, char* b) {
16 return __builtin_strstr(a, b);
17}
Jakob Stoklund Olesen87198c32011-09-08 21:18:03 +000018
19// frexp is NOT readnone. It writes to its pointer argument.
20// <rdar://problem/10070234>
21//
22// CHECK: f3
23// CHECK: call double @frexp(double %
24// CHECK-NOT: readnone
25// CHECK: call float @frexpf(float %
26// CHECK-NOT: readnone
27// CHECK: call double @frexpl(double %
28// CHECK-NOT: readnone
29//
30// Same thing for modf and friends.
31//
32// CHECK: call double @modf(double %
33// CHECK-NOT: readnone
34// CHECK: call float @modff(float %
35// CHECK-NOT: readnone
36// CHECK: call double @modfl(double %
37// CHECK-NOT: readnone
38//
39// CHECK: call double @remquo(double %
40// CHECK-NOT: readnone
41// CHECK: call float @remquof(float %
42// CHECK-NOT: readnone
43// CHECK: call double @remquol(double %
44// CHECK-NOT: readnone
45// CHECK: ret
46int f3(double x) {
47 int e;
48 __builtin_frexp(x, &e);
49 __builtin_frexpf(x, &e);
50 __builtin_frexpl(x, &e);
51 __builtin_modf(x, &e);
52 __builtin_modff(x, &e);
53 __builtin_modfl(x, &e);
54 __builtin_remquo(x, x, &e);
55 __builtin_remquof(x, x, &e);
56 __builtin_remquol(x, x, &e);
57 return e;
58}