1// REQUIRES: arm-registered-target 2// RUN: %clang_cc1 -triple arm-unknown-linux-gnueabi -emit-llvm -o - %s | FileCheck %s 3 4// CHECK: declare i32 @printf(i8*, ...) 5void f0() { 6 printf("a\n"); 7} 8 9// CHECK: call void @exit 10// CHECK: unreachable 11void f1() { 12 exit(1); 13} 14 15// CHECK: call i8* @strstr{{.*}} nounwind 16char* f2(char* a, char* b) { 17 return __builtin_strstr(a, b); 18} 19 20// frexp is NOT readnone. It writes to its pointer argument. 21// <rdar://problem/10070234> 22// 23// CHECK: f3 24// CHECK: call double @frexp(double % 25// CHECK-NOT: readnone 26// CHECK: call float @frexpf(float % 27// CHECK-NOT: readnone 28// CHECK: call double @frexpl(double % 29// CHECK-NOT: readnone 30// 31// Same thing for modf and friends. 32// 33// CHECK: call double @modf(double % 34// CHECK-NOT: readnone 35// CHECK: call float @modff(float % 36// CHECK-NOT: readnone 37// CHECK: call double @modfl(double % 38// CHECK-NOT: readnone 39// 40// CHECK: call double @remquo(double % 41// CHECK-NOT: readnone 42// CHECK: call float @remquof(float % 43// CHECK-NOT: readnone 44// CHECK: call double @remquol(double % 45// CHECK-NOT: readnone 46// CHECK: ret 47int f3(double x) { 48 int e; 49 __builtin_frexp(x, &e); 50 __builtin_frexpf(x, &e); 51 __builtin_frexpl(x, &e); 52 __builtin_modf(x, &e); 53 __builtin_modff(x, &e); 54 __builtin_modfl(x, &e); 55 __builtin_remquo(x, x, &e); 56 __builtin_remquof(x, x, &e); 57 __builtin_remquol(x, x, &e); 58 return e; 59} 60