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Add more functions to the target library information.

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In the process of migrating optimizations from the simplify-libcalls pass
to the instcombine pass I noticed that a few functions are missing from
the target library information.  These functions need to be available for
querying in the instcombine library call simplifiers.  More functions will
probably be added in the future as more simplifiers are migrated to
instcombine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167659 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Meador Inge 2012-11-10 03:11:06 +00:00
parent 2f69102b8d
commit 939f500202
2 changed files with 47 additions and 0 deletions
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29
include/llvm/Target/TargetLibraryInfo.h
View File

@ -276,12 +276,18 @@ namespace llvm {
sqrtf,
/// long double sqrtl(long double x);
sqrtl,
/// char *stpcpy(char *s1, const char *s2);
stpcpy,
/// 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,
/// 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);
@ -296,6 +302,29 @@ namespace llvm {
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,
/// 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,
/// double tan(double x);
tan,
/// float tanf(float x);

18
lib/Target/TargetLibraryInfo.cpp
View File

@ -152,9 +152,12 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
"sqrt",
"sqrtf",
"sqrtl",
"stpcpy",
"strcat",
"strchr",
"strcmp",
"strcpy",
"strcspn",
"strdup",
"strlen",
"strncat",
@ -162,6 +165,17 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
"strncpy",
"strndup",
"strnlen",
"strpbrk",
"strrchr",
"strspn",
"strstr",
"strtod",
"strtof",
"strtol",
"strtold",
"strtoll",
"strtoul",
"strtoull",
"tan",
"tanf",
"tanh",
@ -309,6 +323,10 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
TLI.setUnavailable(LibFunc::tanf);
TLI.setUnavailable(LibFunc::tanhf);
}
// Win32 does *not* provide stpcpy. It is provided on POSIX systems:
// http://pubs.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html
TLI.setUnavailable(LibFunc::stpcpy);
}
}