Update aosp/master llvm for rebase to r233350

Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49

1 files changed, 75 insertions, 671 deletions

diff --git a/include/llvm/Analysis/TargetLibraryInfo.h b/include/llvm/Analysis/TargetLibraryInfo.h
index 5c6f364..9579848 100644
--- a/include/llvm/Analysis/TargetLibraryInfo.h
+++ b/include/llvm/Analysis/TargetLibraryInfo.h
@@ -11,6 +11,7 @@
 #define LLVM_ANALYSIS_TARGETLIBRARYINFO_H
 
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/IR/Function.h"
@@ -29,679 +30,20 @@
 // END ANDROID-SPECIFIC
 
 namespace llvm {
+/// VecDesc - Describes a possible vectorization of a function.
+/// Function 'VectorFnName' is equivalent to 'ScalarFnName' vectorized
+/// by a factor 'VectorizationFactor'.
+struct VecDesc {
+  const char *ScalarFnName;
+  const char *VectorFnName;
+  unsigned VectorizationFactor;
+};
 class PreservedAnalyses;
 
   namespace LibFunc {
     enum Func {
-      /// int _IO_getc(_IO_FILE * __fp);
-      under_IO_getc,
-      /// int _IO_putc(int __c, _IO_FILE * __fp);
-      under_IO_putc,
-      /// void operator delete[](void*);
-      ZdaPv,
-      /// void operator delete[](void*, nothrow);
-      ZdaPvRKSt9nothrow_t,
-      /// void operator delete[](void*, unsigned int);
-      ZdaPvj,
-      /// void operator delete[](void*, unsigned long);
-      ZdaPvm,
-      /// void operator delete(void*);
-      ZdlPv,
-      /// void operator delete(void*, nothrow);
-      ZdlPvRKSt9nothrow_t,
-      /// void operator delete(void*, unsigned int);
-      ZdlPvj,
-      /// void operator delete(void*, unsigned long);
-      ZdlPvm,
-      /// void *new[](unsigned int);
-      Znaj,
-      /// void *new[](unsigned int, nothrow);
-      ZnajRKSt9nothrow_t,
-      /// void *new[](unsigned long);
-      Znam,
-      /// void *new[](unsigned long, nothrow);
-      ZnamRKSt9nothrow_t,
-      /// void *new(unsigned int);
-      Znwj,
-      /// void *new(unsigned int, nothrow);
-      ZnwjRKSt9nothrow_t,
-      /// void *new(unsigned long);
-      Znwm,
-      /// void *new(unsigned long, nothrow);
-      ZnwmRKSt9nothrow_t,
-      /// double __cospi(double x);
-      cospi,
-      /// float __cospif(float x);
-      cospif,
-      /// int __cxa_atexit(void (*f)(void *), void *p, void *d);
-      cxa_atexit,
-      /// void __cxa_guard_abort(guard_t *guard);
-      /// guard_t is int64_t in Itanium ABI or int32_t on ARM eabi.
-      cxa_guard_abort,
-      /// int __cxa_guard_acquire(guard_t *guard);
-      cxa_guard_acquire,
-      /// void __cxa_guard_release(guard_t *guard);
-      cxa_guard_release,
-      /// int __isoc99_scanf (const char *format, ...)
-      dunder_isoc99_scanf,
-      /// int __isoc99_sscanf(const char *s, const char *format, ...)
-      dunder_isoc99_sscanf,
-      /// void *__memcpy_chk(void *s1, const void *s2, size_t n, size_t s1size);
-      memcpy_chk,
-      /// void *__memmove_chk(void *s1, const void *s2, size_t n,
-      ///                     size_t s1size);
-      memmove_chk,
-      /// void *__memset_chk(void *s, char v, size_t n, size_t s1size);
-      memset_chk,
-      /// double __sincospi_stret(double x);
-      sincospi_stret,
-      /// float __sincospif_stret(float x);
-      sincospif_stret,
-      /// double __sinpi(double x);
-      sinpi,
-      /// float __sinpif(float x);
-      sinpif,
-      /// double __sqrt_finite(double x);
-      sqrt_finite,
-      /// float __sqrt_finite(float x);
-      sqrtf_finite,
-      /// long double __sqrt_finite(long double x);
-      sqrtl_finite,
-      /// char *__stpcpy_chk(char *s1, const char *s2, size_t s1size);
-      stpcpy_chk,
-      /// char *__stpncpy_chk(char *s1, const char *s2, size_t n,
-      ///                     size_t s1size);
-      stpncpy_chk,
-      /// char *__strcpy_chk(char *s1, const char *s2, size_t s1size);
-      strcpy_chk,
-      /// char * __strdup(const char *s);
-      dunder_strdup,
-      /// char *__strncpy_chk(char *s1, const char *s2, size_t n,
-      ///                     size_t s1size);
-      strncpy_chk,
-      /// char *__strndup(const char *s, size_t n);
-      dunder_strndup,
-      /// char * __strtok_r(char *s, const char *delim, char **save_ptr);
-      dunder_strtok_r,
-      /// int abs(int j);
-      abs,
-      /// int access(const char *path, int amode);
-      access,
-      /// double acos(double x);
-      acos,
-      /// float acosf(float x);
-      acosf,
-      /// double acosh(double x);
-      acosh,
-      /// float acoshf(float x);
-      acoshf,
-      /// long double acoshl(long double x);
-      acoshl,
-      /// long double acosl(long double x);
-      acosl,
-      /// double asin(double x);
-      asin,
-      /// float asinf(float x);
-      asinf,
-      /// double asinh(double x);
-      asinh,
-      /// float asinhf(float x);
-      asinhf,
-      /// long double asinhl(long double x);
-      asinhl,
-      /// long double asinl(long double x);
-      asinl,
-      /// double atan(double x);
-      atan,
-      /// double atan2(double y, double x);
-      atan2,
-      /// float atan2f(float y, float x);
-      atan2f,
-      /// long double atan2l(long double y, long double x);
-      atan2l,
-      /// float atanf(float x);
-      atanf,
-      /// double atanh(double x);
-      atanh,
-      /// float atanhf(float x);
-      atanhf,
-      /// long double atanhl(long double x);
-      atanhl,
-      /// long double atanl(long double x);
-      atanl,
-      /// double atof(const char *str);
-      atof,
-      /// int atoi(const char *str);
-      atoi,
-      /// long atol(const char *str);
-      atol,
-      /// long long atoll(const char *nptr);
-      atoll,
-      /// int bcmp(const void *s1, const void *s2, size_t n);
-      bcmp,
-      /// void bcopy(const void *s1, void *s2, size_t n);
-      bcopy,
-      /// void bzero(void *s, size_t n);
-      bzero,
-      /// void *calloc(size_t count, size_t size);
-      calloc,
-      /// double cbrt(double x);
-      cbrt,
-      /// float cbrtf(float x);
-      cbrtf,
-      /// long double cbrtl(long double x);
-      cbrtl,
-      /// double ceil(double x);
-      ceil,
-      /// float ceilf(float x);
-      ceilf,
-      /// long double ceill(long double x);
-      ceill,
-      /// int chmod(const char *path, mode_t mode);
-      chmod,
-      /// int chown(const char *path, uid_t owner, gid_t group);
-      chown,
-      /// void clearerr(FILE *stream);
-      clearerr,
-      /// int closedir(DIR *dirp);
-      closedir,
-      /// double copysign(double x, double y);
-      copysign,
-      /// float copysignf(float x, float y);
-      copysignf,
-      /// long double copysignl(long double x, long double y);
-      copysignl,
-      /// double cos(double x);
-      cos,
-      /// float cosf(float x);
-      cosf,
-      /// double cosh(double x);
-      cosh,
-      /// float coshf(float x);
-      coshf,
-      /// long double coshl(long double x);
-      coshl,
-      /// long double cosl(long double x);
-      cosl,
-      /// char *ctermid(char *s);
-      ctermid,
-      /// double exp(double x);
-      exp,
-      /// double exp10(double x);
-      exp10,
-      /// float exp10f(float x);
-      exp10f,
-      /// long double exp10l(long double x);
-      exp10l,
-      /// double exp2(double x);
-      exp2,
-      /// float exp2f(float x);
-      exp2f,
-      /// long double exp2l(long double x);
-      exp2l,
-      /// float expf(float x);
-      expf,
-      /// long double expl(long double x);
-      expl,
-      /// double expm1(double x);
-      expm1,
-      /// float expm1f(float x);
-      expm1f,
-      /// long double expm1l(long double x);
-      expm1l,
-      /// double fabs(double x);
-      fabs,
-      /// float fabsf(float x);
-      fabsf,
-      /// long double fabsl(long double x);
-      fabsl,
-      /// int fclose(FILE *stream);
-      fclose,
-      /// FILE *fdopen(int fildes, const char *mode);
-      fdopen,
-      /// int feof(FILE *stream);
-      feof,
-      /// int ferror(FILE *stream);
-      ferror,
-      /// int fflush(FILE *stream);
-      fflush,
-      /// int ffs(int i);
-      ffs,
-      /// int ffsl(long int i);
-      ffsl,
-      /// int ffsll(long long int i);
-      ffsll,
-      /// int fgetc(FILE *stream);
-      fgetc,
-      /// int fgetpos(FILE *stream, fpos_t *pos);
-      fgetpos,
-      /// char *fgets(char *s, int n, FILE *stream);
-      fgets,
-      /// int fileno(FILE *stream);
-      fileno,
-      /// int fiprintf(FILE *stream, const char *format, ...);
-      fiprintf,
-      /// void flockfile(FILE *file);
-      flockfile,
-      /// double floor(double x);
-      floor,
-      /// float floorf(float x);
-      floorf,
-      /// long double floorl(long double x);
-      floorl,
-      /// double fmax(double x, double y);
-      fmax,
-      /// float fmaxf(float x, float y);
-      fmaxf,
-      /// long double fmaxl(long double x, long double y);
-      fmaxl,
-      /// double fmin(double x, double y);
-      fmin,
-      /// float fminf(float x, float y);
-      fminf,
-      /// long double fminl(long double x, long double y);
-      fminl,
-      /// double fmod(double x, double y);
-      fmod,
-      /// float fmodf(float x, float y);
-      fmodf,
-      /// long double fmodl(long double x, long double y);
-      fmodl,
-      /// FILE *fopen(const char *filename, const char *mode);
-      fopen,
-      /// FILE *fopen64(const char *filename, const char *opentype)
-      fopen64,
-      /// int fprintf(FILE *stream, const char *format, ...);
-      fprintf,
-      /// int fputc(int c, FILE *stream);
-      fputc,
-      /// int fputs(const char *s, FILE *stream);
-      fputs,
-      /// size_t fread(void *ptr, size_t size, size_t nitems, FILE *stream);
-      fread,
-      /// void free(void *ptr);
-      free,
-      /// double frexp(double num, int *exp);
-      frexp,
-      /// float frexpf(float num, int *exp);
-      frexpf,
-      /// long double frexpl(long double num, int *exp);
-      frexpl,
-      /// int fscanf(FILE *stream, const char *format, ... );
-      fscanf,
-      /// int fseek(FILE *stream, long offset, int whence);
-      fseek,
-      /// int fseeko(FILE *stream, off_t offset, int whence);
-      fseeko,
-      /// int fseeko64(FILE *stream, off64_t offset, int whence)
-      fseeko64,
-      /// int fsetpos(FILE *stream, const fpos_t *pos);
-      fsetpos,
-      /// int fstat(int fildes, struct stat *buf);
-      fstat,
-      /// int fstat64(int filedes, struct stat64 *buf)
-      fstat64,
-      /// int fstatvfs(int fildes, struct statvfs *buf);
-      fstatvfs,
-      /// int fstatvfs64(int fildes, struct statvfs64 *buf);
-      fstatvfs64,
-      /// long ftell(FILE *stream);
-      ftell,
-      /// off_t ftello(FILE *stream);
-      ftello,
-      /// off64_t ftello64(FILE *stream)
-      ftello64,
-      /// int ftrylockfile(FILE *file);
-      ftrylockfile,
-      /// void funlockfile(FILE *file);
-      funlockfile,
-      /// size_t fwrite(const void *ptr, size_t size, size_t nitems,
-      /// FILE *stream);
-      fwrite,
-      /// int getc(FILE *stream);
-      getc,
-      /// int getc_unlocked(FILE *stream);
-      getc_unlocked,
-      /// int getchar(void);
-      getchar,
-      /// char *getenv(const char *name);
-      getenv,
-      /// int getitimer(int which, struct itimerval *value);
-      getitimer,
-      /// int getlogin_r(char *name, size_t namesize);
-      getlogin_r,
-      /// struct passwd *getpwnam(const char *name);
-      getpwnam,
-      /// char *gets(char *s);
-      gets,
-      /// int gettimeofday(struct timeval *tp, void *tzp);
-      gettimeofday,
-      /// uint32_t htonl(uint32_t hostlong);
-      htonl,
-      /// uint16_t htons(uint16_t hostshort);
-      htons,
-      /// int iprintf(const char *format, ...);
-      iprintf,
-      /// int isascii(int c);
-      isascii,
-      /// int isdigit(int c);
-      isdigit,
-      /// long int labs(long int j);
-      labs,
-      /// int lchown(const char *path, uid_t owner, gid_t group);
-      lchown,
-      /// double ldexp(double x, int n);
-      ldexp,
-      /// float ldexpf(float x, int n);
-      ldexpf,
-      /// long double ldexpl(long double x, int n);
-      ldexpl,
-      /// long long int llabs(long long int j);
-      llabs,
-      /// double log(double x);
-      log,
-      /// double log10(double x);
-      log10,
-      /// float log10f(float x);
-      log10f,
-      /// long double log10l(long double x);
-      log10l,
-      /// double log1p(double x);
-      log1p,
-      /// float log1pf(float x);
-      log1pf,
-      /// long double log1pl(long double x);
-      log1pl,
-      /// double log2(double x);
-      log2,
-      /// float log2f(float x);
-      log2f,
-      /// double long double log2l(long double x);
-      log2l,
-      /// double logb(double x);
-      logb,
-      /// float logbf(float x);
-      logbf,
-      /// long double logbl(long double x);
-      logbl,
-      /// float logf(float x);
-      logf,
-      /// long double logl(long double x);
-      logl,
-      /// int lstat(const char *path, struct stat *buf);
-      lstat,
-      /// int lstat64(const char *path, struct stat64 *buf);
-      lstat64,
-      /// void *malloc(size_t size);
-      malloc,
-      /// void *memalign(size_t boundary, size_t size);
-      memalign,
-      /// void *memccpy(void *s1, const void *s2, int c, size_t n);
-      memccpy,
-      /// void *memchr(const void *s, int c, size_t n);
-      memchr,
-      /// int memcmp(const void *s1, const void *s2, size_t n);
-      memcmp,
-      /// void *memcpy(void *s1, const void *s2, size_t n);
-      memcpy,
-      /// void *memmove(void *s1, const void *s2, size_t n);
-      memmove,
-      // void *memrchr(const void *s, int c, size_t n);
-      memrchr,
-      /// void *memset(void *b, int c, size_t len);
-      memset,
-      /// void memset_pattern16(void *b, const void *pattern16, size_t len);
-      memset_pattern16,
-      /// int mkdir(const char *path, mode_t mode);
-      mkdir,
-      /// time_t mktime(struct tm *timeptr);
-      mktime,
-      /// double modf(double x, double *iptr);
-      modf,
-      /// float modff(float, float *iptr);
-      modff,
-      /// long double modfl(long double value, long double *iptr);
-      modfl,
-      /// double nearbyint(double x);
-      nearbyint,
-      /// float nearbyintf(float x);
-      nearbyintf,
-      /// long double nearbyintl(long double x);
-      nearbyintl,
-      /// uint32_t ntohl(uint32_t netlong);
-      ntohl,
-      /// uint16_t ntohs(uint16_t netshort);
-      ntohs,
-      /// int open(const char *path, int oflag, ... );
-      open,
-      /// int open64(const char *filename, int flags[, mode_t mode])
-      open64,
-      /// DIR *opendir(const char *dirname);
-      opendir,
-      /// int pclose(FILE *stream);
-      pclose,
-      /// void perror(const char *s);
-      perror,
-      /// FILE *popen(const char *command, const char *mode);
-      popen,
-      /// int posix_memalign(void **memptr, size_t alignment, size_t size);
-      posix_memalign,
-      /// double pow(double x, double y);
-      pow,
-      /// float powf(float x, float y);
-      powf,
-      /// long double powl(long double x, long double y);
-      powl,
-      /// ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
-      pread,
-      /// int printf(const char *format, ...);
-      printf,
-      /// int putc(int c, FILE *stream);
-      putc,
-      /// int putchar(int c);
-      putchar,
-      /// int puts(const char *s);
-      puts,
-      /// ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
-      ///                off_t offset);
-      pwrite,
-      /// void qsort(void *base, size_t nel, size_t width,
-      ///            int (*compar)(const void *, const void *));
-      qsort,
-      /// ssize_t read(int fildes, void *buf, size_t nbyte);
-      read,
-      /// ssize_t readlink(const char *path, char *buf, size_t bufsize);
-      readlink,
-      /// void *realloc(void *ptr, size_t size);
-      realloc,
-      /// void *reallocf(void *ptr, size_t size);
-      reallocf,
-      /// char *realpath(const char *file_name, char *resolved_name);
-      realpath,
-      /// int remove(const char *path);
-      remove,
-      /// int rename(const char *old, const char *new);
-      rename,
-      /// void rewind(FILE *stream);
-      rewind,
-      /// double rint(double x);
-      rint,
-      /// float rintf(float x);
-      rintf,
-      /// long double rintl(long double x);
-      rintl,
-      /// int rmdir(const char *path);
-      rmdir,
-      /// double round(double x);
-      round,
-      /// float roundf(float x);
-      roundf,
-      /// long double roundl(long double x);
-      roundl,
-      /// int scanf(const char *restrict format, ... );
-      scanf,
-      /// void setbuf(FILE *stream, char *buf);
-      setbuf,
-      /// int setitimer(int which, const struct itimerval *value,
-      ///               struct itimerval *ovalue);
-      setitimer,
-      /// int setvbuf(FILE *stream, char *buf, int type, size_t size);
-      setvbuf,
-      /// double sin(double x);
-      sin,
-      /// float sinf(float x);
-      sinf,
-      /// double sinh(double x);
-      sinh,
-      /// float sinhf(float x);
-      sinhf,
-      /// long double sinhl(long double x);
-      sinhl,
-      /// long double sinl(long double x);
-      sinl,
-      /// int siprintf(char *str, const char *format, ...);
-      siprintf,
-      /// int snprintf(char *s, size_t n, const char *format, ...);
-      snprintf,
-      /// int sprintf(char *str, const char *format, ...);
-      sprintf,
-      /// double sqrt(double x);
-      sqrt,
-      /// float sqrtf(float x);
-      sqrtf,
-      /// long double sqrtl(long double x);
-      sqrtl,
-      /// int sscanf(const char *s, const char *format, ... );
-      sscanf,
-      /// int stat(const char *path, struct stat *buf);
-      stat,
-      /// int stat64(const char *path, struct stat64 *buf);
-      stat64,
-      /// int statvfs(const char *path, struct statvfs *buf);
-      statvfs,
-      /// int statvfs64(const char *path, struct statvfs64 *buf)
-      statvfs64,
-      /// char *stpcpy(char *s1, const char *s2);
-      stpcpy,
-      /// char *stpncpy(char *s1, const char *s2, size_t n);
-      stpncpy,
-      /// int strcasecmp(const char *s1, const char *s2);
-      strcasecmp,
-      /// char *strcat(char *s1, const char *s2);
-      strcat,
-      /// char *strchr(const char *s, int c);
-      strchr,
-      /// int strcmp(const char *s1, const char *s2);
-      strcmp,
-      /// int strcoll(const char *s1, const char *s2);
-      strcoll,
-      /// char *strcpy(char *s1, const char *s2);
-      strcpy,
-      /// size_t strcspn(const char *s1, const char *s2);
-      strcspn,
-      /// char *strdup(const char *s1);
-      strdup,
-      /// size_t strlen(const char *s);
-      strlen,
-      /// int strncasecmp(const char *s1, const char *s2, size_t n);
-      strncasecmp,
-      /// char *strncat(char *s1, const char *s2, size_t n);
-      strncat,
-      /// int strncmp(const char *s1, const char *s2, size_t n);
-      strncmp,
-      /// char *strncpy(char *s1, const char *s2, size_t n);
-      strncpy,
-      /// char *strndup(const char *s1, size_t n);
-      strndup,
-      /// size_t strnlen(const char *s, size_t maxlen);
-      strnlen,
-      /// char *strpbrk(const char *s1, const char *s2);
-      strpbrk,
-      /// char *strrchr(const char *s, int c);
-      strrchr,
-      /// size_t strspn(const char *s1, const char *s2);
-      strspn,
-      /// char *strstr(const char *s1, const char *s2);
-      strstr,
-      /// double strtod(const char *nptr, char **endptr);
-      strtod,
-      /// float strtof(const char *nptr, char **endptr);
-      strtof,
-      // char *strtok(char *s1, const char *s2);
-      strtok,
-      // char *strtok_r(char *s, const char *sep, char **lasts);
-      strtok_r,
-      /// long int strtol(const char *nptr, char **endptr, int base);
-      strtol,
-      /// long double strtold(const char *nptr, char **endptr);
-      strtold,
-      /// long long int strtoll(const char *nptr, char **endptr, int base);
-      strtoll,
-      /// unsigned long int strtoul(const char *nptr, char **endptr, int base);
-      strtoul,
-      /// unsigned long long int strtoull(const char *nptr, char **endptr,
-      ///                                 int base);
-      strtoull,
-      /// size_t strxfrm(char *s1, const char *s2, size_t n);
-      strxfrm,
-      /// int system(const char *command);
-      system,
-      /// double tan(double x);
-      tan,
-      /// float tanf(float x);
-      tanf,
-      /// double tanh(double x);
-      tanh,
-      /// float tanhf(float x);
-      tanhf,
-      /// long double tanhl(long double x);
-      tanhl,
-      /// long double tanl(long double x);
-      tanl,
-      /// clock_t times(struct tms *buffer);
-      times,
-      /// FILE *tmpfile(void);
-      tmpfile,
-      /// FILE *tmpfile64(void)
-      tmpfile64,
-      /// int toascii(int c);
-      toascii,
-      /// double trunc(double x);
-      trunc,
-      /// float truncf(float x);
-      truncf,
-      /// long double truncl(long double x);
-      truncl,
-      /// int uname(struct utsname *name);
-      uname,
-      /// int ungetc(int c, FILE *stream);
-      ungetc,
-      /// int unlink(const char *path);
-      unlink,
-      /// int unsetenv(const char *name);
-      unsetenv,
-      /// int utime(const char *path, const struct utimbuf *times);
-      utime,
-      /// int utimes(const char *path, const struct timeval times[2]);
-      utimes,
-      /// void *valloc(size_t size);
-      valloc,
-      /// int vfprintf(FILE *stream, const char *format, va_list ap);
-      vfprintf,
-      /// int vfscanf(FILE *stream, const char *format, va_list arg);
-      vfscanf,
-      /// int vprintf(const char *restrict format, va_list ap);
-      vprintf,
-      /// int vscanf(const char *format, va_list arg);
-      vscanf,
-      /// int vsnprintf(char *s, size_t n, const char *format, va_list ap);
-      vsnprintf,
-      /// int vsprintf(char *s, const char *format, va_list ap);
-      vsprintf,
-      /// int vsscanf(const char *s, const char *format, va_list arg);
-      vsscanf,
-      /// ssize_t write(int fildes, const void *buf, size_t nbyte);
-      write,
+#define TLI_DEFINE_ENUM
+#include "llvm/Analysis/TargetLibraryInfo.def"
 
       NumLibFuncs
     };
@@ -718,7 +60,7 @@ class TargetLibraryInfoImpl {
 
   unsigned char AvailableArray[(LibFunc::NumLibFuncs+3)/4];
   llvm::DenseMap<unsigned, std::string> CustomNames;
-  static const char* StandardNames[LibFunc::NumLibFuncs];
+  static const char *const StandardNames[LibFunc::NumLibFuncs];
 
   enum AvailabilityState {
     StandardName = 3, // (memset to all ones)
@@ -733,7 +75,25 @@ class TargetLibraryInfoImpl {
     return static_cast<AvailabilityState>((AvailableArray[F/4] >> 2*(F&3)) & 3);
   }
 
+  /// Vectorization descriptors - sorted by ScalarFnName.
+  std::vector<VecDesc> VectorDescs;
+  /// Scalarization descriptors - same content as VectorDescs but sorted based
+  /// on VectorFnName rather than ScalarFnName.
+  std::vector<VecDesc> ScalarDescs;
+
 public:
+  /// \brief  List of known vector-functions libraries.
+  ///
+  /// The vector-functions library defines, which functions are vectorizable
+  /// and with which factor. The library can be specified by either frontend,
+  /// or a commandline option, and then used by
+  /// addVectorizableFunctionsFromVecLib for filling up the tables of
+  /// vectorizable functions.
+  enum VectorLibrary {
+    NoLibrary, // Don't use any vector library.
+    Accelerate // Use Accelerate framework.
+  };
+
   TargetLibraryInfoImpl();
   explicit TargetLibraryInfoImpl(const Triple &T);
 
@@ -775,6 +135,41 @@ public:
   ///
   /// This can be used for options like -fno-builtin.
   void disableAllFunctions();
+
+  /// addVectorizableFunctions - Add a set of scalar -> vector mappings,
+  /// queryable via getVectorizedFunction and getScalarizedFunction.
+  void addVectorizableFunctions(ArrayRef<VecDesc> Fns);
+
+  /// Calls addVectorizableFunctions with a known preset of functions for the
+  /// given vector library.
+  void addVectorizableFunctionsFromVecLib(enum VectorLibrary VecLib);
+
+  /// isFunctionVectorizable - Return true if the function F has a
+  /// vector equivalent with vectorization factor VF.
+  bool isFunctionVectorizable(StringRef F, unsigned VF) const {
+    return !getVectorizedFunction(F, VF).empty();
+  }
+
+  /// isFunctionVectorizable - Return true if the function F has a
+  /// vector equivalent with any vectorization factor.
+  bool isFunctionVectorizable(StringRef F) const;
+
+  /// getVectorizedFunction - Return the name of the equivalent of
+  /// F, vectorized with factor VF. If no such mapping exists,
+  /// return the empty string.
+  StringRef getVectorizedFunction(StringRef F, unsigned VF) const;
+
+  /// isFunctionScalarizable - Return true if the function F has a
+  /// scalar equivalent, and set VF to be the vectorization factor.
+  bool isFunctionScalarizable(StringRef F, unsigned &VF) const {
+    return !getScalarizedFunction(F, VF).empty();
+  }
+
+  /// getScalarizedFunction - Return the name of the equivalent of
+  /// F, scalarized. If no such mapping exists, return the empty string.
+  ///
+  /// Set VF to the vectorization factor.
+  StringRef getScalarizedFunction(StringRef F, unsigned &VF) const;
 };
 
 /// \brief Provides information about what library functions are available for
@@ -811,10 +206,19 @@ public:
     return Impl->getLibFunc(funcName, F);
   }
 
-  /// \brief Tests wether a library function is available.
+  /// \brief Tests whether a library function is available.
   bool has(LibFunc::Func F) const {
     return Impl->getState(F) != TargetLibraryInfoImpl::Unavailable;
   }
+  bool isFunctionVectorizable(StringRef F, unsigned VF) const {
+    return Impl->isFunctionVectorizable(F, VF);
+  };
+  bool isFunctionVectorizable(StringRef F) const {
+    return Impl->isFunctionVectorizable(F);
+  };
+  StringRef getVectorizedFunction(StringRef F, unsigned VF) const {
+    return Impl->getVectorizedFunction(F, VF);
+  };
 
   /// \brief Tests if the function is both available and a candidate for
   /// optimized code generation.