mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 11:02:59 +02:00
Add new getLibFunc method to TargetLibraryInfo.
This just provides a way to look up a LibFunc::Func enum value for a function name. Alphabetize the enums and function names so we can use a binary search. llvm-svn: 161231
This commit is contained in:
Bob Wilson
parent
ca5d760bf2
commit
627fc538a7
@ -18,36 +18,47 @@ namespace llvm {
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namespace LibFunc {
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enum Func {
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/// int __cxa_atexit(void (*f)(void *), void *p, void *d);
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cxa_atexit,
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/// void __cxa_guard_abort(guard_t *guard);
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/// guard_t is int64_t in Itanium ABI or int32_t on ARM eabi.
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cxa_guard_abort,
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/// int __cxa_guard_acquire(guard_t *guard);
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cxa_guard_acquire,
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/// void __cxa_guard_release(guard_t *guard);
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cxa_guard_release,
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/// void *__memcpy_chk(void *s1, const void *s2, size_t n, size_t s1size);
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memcpy_chk,
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/// double acos(double x);
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acos,
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/// long double acosl(long double x);
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acosl,
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/// float acosf(float x);
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acosf,
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/// long double acosl(long double x);
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acosl,
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/// double asin(double x);
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asin,
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/// long double asinl(long double x);
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asinl,
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/// float asinf(float x);
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asinf,
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/// long double asinl(long double x);
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asinl,
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/// double atan(double x);
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atan,
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/// long double atanl(long double x);
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atanl,
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/// float atanf(float x);
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atanf,
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/// double atan2(double y, double x);
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atan2,
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/// long double atan2l(long double y, long double x);
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atan2l,
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/// float atan2f(float y, float x);
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atan2f,
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/// long double atan2l(long double y, long double x);
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atan2l,
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/// float atanf(float x);
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atanf,
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/// long double atanl(long double x);
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atanl,
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/// double ceil(double x);
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ceil,
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/// long double ceill(long double x);
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ceill,
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/// float ceilf(float x);
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ceilf,
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/// long double ceill(long double x);
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ceill,
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/// double copysign(double x, double y);
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copysign,
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/// float copysignf(float x, float y);
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@ -56,54 +67,54 @@ namespace llvm {
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copysignl,
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/// double cos(double x);
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cos,
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/// long double cosl(long double x);
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cosl,
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/// float cosf(float x);
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cosf,
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/// double cosh(double x);
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cosh,
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/// long double coshl(long double x);
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coshl,
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/// float coshf(float x);
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coshf,
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/// long double coshl(long double x);
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coshl,
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/// long double cosl(long double x);
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cosl,
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/// double exp(double x);
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exp,
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/// long double expl(long double x);
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expl,
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/// float expf(float x);
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expf,
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/// double exp2(double x);
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exp2,
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/// long double exp2l(long double x);
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exp2l,
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/// float exp2f(float x);
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exp2f,
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/// long double exp2l(long double x);
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exp2l,
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/// float expf(float x);
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expf,
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/// long double expl(long double x);
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expl,
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/// double expm1(double x);
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expm1,
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/// long double expm1l(long double x);
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expm1l,
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/// float expm1f(float x);
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expm1f,
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/// long double expm1l(long double x);
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expm1l,
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/// double fabs(double x);
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fabs,
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/// long double fabsl(long double x);
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fabsl,
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/// float fabsf(float x);
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fabsf,
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/// double floor(double x);
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floor,
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/// long double floorl(long double x);
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floorl,
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/// float floorf(float x);
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floorf,
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/// long double fabsl(long double x);
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fabsl,
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/// int fiprintf(FILE *stream, const char *format, ...);
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fiprintf,
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/// double floor(double x);
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floor,
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/// float floorf(float x);
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floorf,
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/// long double floorl(long double x);
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floorl,
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/// double fmod(double x, double y);
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fmod,
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/// long double fmodl(long double x, long double y);
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fmodl,
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/// float fmodf(float x, float y);
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fmodf,
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/// long double fmodl(long double x, long double y);
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fmodl,
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/// int fputc(int c, FILE *stream);
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fputc,
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/// int fputs(const char *s, FILE *stream);
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@ -115,28 +126,28 @@ namespace llvm {
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iprintf,
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/// double log(double x);
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log,
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/// long double logl(long double x);
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logl,
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/// float logf(float x);
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logf,
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/// double log2(double x);
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log2,
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/// double long double log2l(long double x);
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log2l,
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/// float log2f(float x);
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log2f,
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/// double log10(double x);
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log10,
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/// long double log10l(long double x);
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log10l,
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/// float log10f(float x);
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log10f,
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/// long double log10l(long double x);
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log10l,
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/// double log1p(double x);
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log1p,
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/// long double log1pl(long double x);
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log1pl,
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/// float log1pf(float x);
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log1pf,
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/// long double log1pl(long double x);
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log1pl,
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/// double log2(double x);
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log2,
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/// float log2f(float x);
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log2f,
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/// double long double log2l(long double x);
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log2l,
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/// float logf(float x);
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logf,
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/// long double logl(long double x);
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logl,
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/// void *memchr(const void *s, int c, size_t n);
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memchr,
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/// int memcmp(const void *s1, const void *s2, size_t n);
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@ -179,24 +190,24 @@ namespace llvm {
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roundl,
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/// double sin(double x);
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sin,
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/// long double sinl(long double x);
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sinl,
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/// float sinf(float x);
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sinf,
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/// double sinh(double x);
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sinh,
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/// long double sinhl(long double x);
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sinhl,
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/// float sinhf(float x);
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sinhf,
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/// long double sinhl(long double x);
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sinhl,
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/// long double sinl(long double x);
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sinl,
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/// int siprintf(char *str, const char *format, ...);
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siprintf,
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/// double sqrt(double x);
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sqrt,
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/// long double sqrtl(long double x);
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sqrtl,
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/// float sqrtf(float x);
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sqrtf,
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/// long double sqrtl(long double x);
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sqrtl,
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/// char *strcat(char *s1, const char *s2);
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strcat,
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/// char *strchr(const char *s, int c);
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@ -215,33 +226,22 @@ namespace llvm {
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strnlen,
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/// double tan(double x);
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tan,
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/// long double tanl(long double x);
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tanl,
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/// float tanf(float x);
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tanf,
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/// double tanh(double x);
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tanh,
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/// long double tanhl(long double x);
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tanhl,
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/// float tanhf(float x);
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tanhf,
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/// long double tanhl(long double x);
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tanhl,
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/// long double tanl(long double x);
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tanl,
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/// double trunc(double x);
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trunc,
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/// float truncf(float x);
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truncf,
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/// long double truncl(long double x);
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truncl,
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/// int __cxa_atexit(void (*f)(void *), void *p, void *d);
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cxa_atexit,
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/// void __cxa_guard_abort(guard_t *guard);
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/// guard_t is int64_t in Itanium ABI or int32_t on ARM eabi.
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cxa_guard_abort,
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/// int __cxa_guard_acquire(guard_t *guard);
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cxa_guard_acquire,
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/// void __cxa_guard_release(guard_t *guard);
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cxa_guard_release,
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/// void *__memcpy_chk(void *s1, const void *s2, size_t n, size_t s1size);
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memcpy_chk,
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NumLibFuncs
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};
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@ -275,6 +275,10 @@ public:
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TargetLibraryInfo(const Triple &T);
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explicit TargetLibraryInfo(const TargetLibraryInfo &TLI);
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/// getLibFunc - Search for a particular function name. If it is one of the
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/// known library functions, return true and set F to the corresponding value.
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bool getLibFunc(StringRef funcName, LibFunc::Func &F) const;
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/// has - This function is used by optimizations that want to match on or form
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/// a given library function.
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bool has(LibFunc::Func F) const {
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@ -24,65 +24,70 @@ void TargetLibraryInfo::anchor() { }
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const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
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{
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"__cxa_atexit",
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"__cxa_guard_abort",
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"__cxa_guard_acquire",
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"__cxa_guard_release",
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"__memcpy_chk",
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"acos",
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"acosl",
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"acosf",
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"acosl",
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"asin",
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"asinl",
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"asinf",
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"asinl",
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"atan",
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"atanl",
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"atanf",
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"atan2",
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"atan2l",
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"atan2f",
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"atan2l",
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"atanf",
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"atanl",
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"ceil",
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"ceill",
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"ceilf",
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"ceill",
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"copysign",
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"copysignf",
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"copysignl",
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"cos",
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"cosl",
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"cosf",
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"cosh",
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"coshl",
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"coshf",
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"coshl",
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"cosl",
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"exp",
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"expl",
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"expf",
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"exp2",
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"exp2l",
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"exp2f",
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"exp2l",
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"expf",
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"expl",
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"expm1",
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"expm1l",
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"expm1f",
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"expm1l",
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"fabs",
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"fabsl",
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"fabsf",
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"floor",
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"floorl",
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"floorf",
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"fabsl",
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"fiprintf",
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"floor",
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"floorf",
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"floorl",
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"fmod",
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"fmodl",
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"fmodf",
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"fmodl",
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"fputc",
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"fputs",
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"fwrite",
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"iprintf",
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"log",
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"logl",
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"logf",
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"log2",
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"log2l",
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"log2f",
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"log10",
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"log10l",
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"log10f",
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"log10l",
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"log1p",
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"log1pl",
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"log1pf",
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"log1pl",
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"log2",
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"log2f",
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"log2l",
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"logf",
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"logl",
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"memchr",
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"memcmp",
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"memcpy",
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@ -104,15 +109,15 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
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"roundf",
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"roundl",
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"sin",
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"sinl",
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"sinf",
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"sinh",
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"sinhl",
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"sinhf",
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"sinhl",
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"sinl",
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"siprintf",
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"sqrt",
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"sqrtl",
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"sqrtf",
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"sqrtl",
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"strcat",
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"strchr",
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"strcpy",
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@ -122,27 +127,30 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
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"strncpy",
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"strnlen",
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"tan",
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"tanl",
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"tanf",
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"tanh",
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"tanhl",
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"tanhf",
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"tanhl",
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"tanl",
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"trunc",
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"truncf",
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"truncl",
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"__cxa_atexit",
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"__cxa_guard_abort",
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"__cxa_guard_acquire",
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"__cxa_guard_release",
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"__memcpy_chk"
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"truncl"
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};
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/// initialize - Initialize the set of available library functions based on the
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/// specified target triple. This should be carefully written so that a missing
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/// target triple gets a sane set of defaults.
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static void initialize(TargetLibraryInfo &TLI, const Triple &T) {
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static void initialize(TargetLibraryInfo &TLI, const Triple &T,
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const char **StandardNames) {
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initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
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#ifndef NDEBUG
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// Verify that the StandardNames array is in alphabetical order.
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for (unsigned F = 1; F < LibFunc::NumLibFuncs; ++F) {
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if (strcmp(StandardNames[F-1], StandardNames[F]) >= 0)
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llvm_unreachable("TargetLibraryInfo function names must be sorted");
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}
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#endif // !NDEBUG
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// memset_pattern16 is only available on iOS 3.0 and Mac OS/X 10.5 and later.
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if (T.isMacOSX()) {
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@ -254,14 +262,14 @@ TargetLibraryInfo::TargetLibraryInfo() : ImmutablePass(ID) {
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// Default to everything being available.
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memset(AvailableArray, -1, sizeof(AvailableArray));
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initialize(*this, Triple());
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initialize(*this, Triple(), StandardNames);
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}
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TargetLibraryInfo::TargetLibraryInfo(const Triple &T) : ImmutablePass(ID) {
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// Default to everything being available.
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memset(AvailableArray, -1, sizeof(AvailableArray));
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initialize(*this, T);
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initialize(*this, T, StandardNames);
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}
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TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI)
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@ -270,6 +278,17 @@ TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI)
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CustomNames = TLI.CustomNames;
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}
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bool TargetLibraryInfo::getLibFunc(StringRef funcName,
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LibFunc::Func &F) const {
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const char **Start = &StandardNames[0];
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const char **End = &StandardNames[LibFunc::NumLibFuncs];
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const char **I = std::lower_bound(Start, End, funcName);
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if (I != End && *I == funcName) {
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F = (LibFunc::Func)(I - Start);
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return true;
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}
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return false;
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}
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/// disableAllFunctions - This disables all builtins, which is used for options
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/// like -fno-builtin.
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