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      1 // RUN: %clang_cc1 -S -O3 -fno-builtin -o - %s | FileCheck %s
      2 // RUN: %clang_cc1 -S -O3 -fno-builtin-ceil -fno-builtin-copysign -fno-builtin-cos \
      3 // RUN:  -fno-builtin-fabs -fno-builtin-floor -fno-builtin-strcat -fno-builtin-strncat \
      4 // RUN:  -fno-builtin-strchr -fno-builtin-strrchr -fno-builtin-strcmp -fno-builtin-strncmp \
      5 // RUN:  -fno-builtin-strcpy -fno-builtin-stpcpy -fno-builtin-strncpy -fno-builtin-strlen \
      6 // RUN:  -fno-builtin-strpbrk -fno-builtin-strspn -fno-builtin-strtod -fno-builtin-strtof \
      7 // RUN:  -fno-builtin-strtold -fno-builtin-strtol -fno-builtin-strtoll -fno-builtin-strtoul \
      8 // RUN:  -fno-builtin-strtoull -o - %s | FileCheck %s
      9 // rdar://10551066
     10 
     11 typedef __SIZE_TYPE__ size_t;
     12 
     13 double ceil(double x);
     14 double copysign(double,double);
     15 double cos(double x);
     16 double fabs(double x);
     17 double floor(double x);
     18 char *strcat(char *s1, const char *s2);
     19 char *strncat(char *s1, const char *s2, size_t n);
     20 char *strchr(const char *s, int c);
     21 char *strrchr(const char *s, int c);
     22 int strcmp(const char *s1, const char *s2);
     23 int strncmp(const char *s1, const char *s2, size_t n);
     24 char *strcpy(char *s1, const char *s2);
     25 char *stpcpy(char *s1, const char *s2);
     26 char *strncpy(char *s1, const char *s2, size_t n);
     27 size_t strlen(const char *s);
     28 char *strpbrk(const char *s1, const char *s2);
     29 size_t strspn(const char *s1, const char *s2);
     30 double strtod(const char *nptr, char **endptr);
     31 float strtof(const char *nptr, char **endptr);
     32 long double strtold(const char *nptr, char **endptr);
     33 long int strtol(const char *nptr, char **endptr, int base);
     34 long long int strtoll(const char *nptr, char **endptr, int base);
     35 unsigned long int strtoul(const char *nptr, char **endptr, int base);
     36 unsigned long long int strtoull(const char *nptr, char **endptr, int base);
     37 
     38 double t1(double x) { return ceil(x); }
     39 // CHECK: t1
     40 // CHECK: ceil
     41 
     42 double t2(double x, double y) { return copysign(x,y); }
     43 // CHECK: t2
     44 // CHECK: copysign
     45 
     46 double t3(double x) { return cos(x); }
     47 // CHECK: t3
     48 // CHECK: cos
     49 
     50 double t4(double x) { return fabs(x); }
     51 // CHECK: t4
     52 // CHECK: fabs
     53 
     54 double t5(double x) { return floor(x); }
     55 // CHECK: t5
     56 // CHECK: floor
     57 
     58 char *t6(char *x) { return strcat(x, ""); }
     59 // CHECK: t6
     60 // CHECK: strcat
     61 
     62 char *t7(char *x) { return strncat(x, "", 1); }
     63 // CHECK: t7
     64 // CHECK: strncat
     65 
     66 char *t8(void) { return strchr("hello, world", 'w'); }
     67 // CHECK: t8
     68 // CHECK: strchr
     69 
     70 char *t9(void) { return strrchr("hello, world", 'w'); }
     71 // CHECK: t9
     72 // CHECK: strrchr
     73 
     74 int t10(void) { return strcmp("foo", "bar"); }
     75 // CHECK: t10
     76 // CHECK: strcmp
     77 
     78 int t11(void) { return strncmp("foo", "bar", 3); }
     79 // CHECK: t11
     80 // CHECK: strncmp
     81 
     82 char *t12(char *x) { return strcpy(x, "foo"); }
     83 // CHECK: t12
     84 // CHECK: strcpy
     85 
     86 char *t13(char *x) { return stpcpy(x, "foo"); }
     87 // CHECK: t13
     88 // CHECK: stpcpy
     89 
     90 char *t14(char *x) { return strncpy(x, "foo", 3); }
     91 // CHECK: t14
     92 // CHECK: strncpy
     93 
     94 size_t t15(void) { return strlen("foo"); }
     95 // CHECK: t15
     96 // CHECK: strlen
     97 
     98 char *t16(char *x) { return strpbrk(x, ""); }
     99 // CHECK: t16
    100 // CHECK: strpbrk
    101 
    102 size_t t17(char *x) { return strspn(x, ""); }
    103 // CHECK: t17
    104 // CHECK: strspn
    105 
    106 double t18(char **x) { return strtod("123.4", x); }
    107 // CHECK: t18
    108 // CHECK: strtod
    109 
    110 float t19(char **x) { return strtof("123.4", x); }
    111 // CHECK: t19
    112 // CHECK: strtof
    113 
    114 long double t20(char **x) { return strtold("123.4", x); }
    115 // CHECK: t20
    116 // CHECK: strtold
    117 
    118 long int t21(char **x) { return strtol("1234", x, 10); }
    119 // CHECK: t21
    120 // CHECK: strtol
    121 
    122 long int t22(char **x) { return strtoll("1234", x, 10); }
    123 // CHECK: t22
    124 // CHECK: strtoll
    125 
    126 long int t23(char **x) { return strtoul("1234", x, 10); }
    127 // CHECK: t23
    128 // CHECK: strtoul
    129 
    130 long int t24(char **x) { return strtoull("1234", x, 10); }
    131 // CHECK: t24
    132 // CHECK: strtoull
    133