6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-22 10:29:35 +00:00
Code Issues Projects Releases Wiki Activity

[PM] Clean up the TLI doxygen comments prior to refactoring this code

Browse Source 
for the new pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226089 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2015-01-15 03:51:04 +00:00
parent f908e37144
commit fd89894ae3
1 changed files with 19 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
include/llvm/Analysis/TargetLibraryInfo.h
View File

@ -692,9 +692,11 @@ namespace llvm {
};
}
/// TargetLibraryInfo - This immutable pass captures information about what
/// library functions are available for the current target, and allows a
/// frontend to disable optimizations through -fno-builtin etc.
/// \brief Provides information about what library functions are available for
/// the current target.
///
/// This both allows optimizations to handle them specially and frontends to
/// disable such optimizations through -fno-builtin etc.
class TargetLibraryInfo : public ImmutablePass {
virtual void anchor();
unsigned char AvailableArray[(LibFunc::NumLibFuncs+3)/4];
@ -720,18 +722,19 @@ public:
TargetLibraryInfo(const Triple &T);
explicit TargetLibraryInfo(const TargetLibraryInfo &TLI);
/// getLibFunc - Search for a particular function name. If it is one of the
/// known library functions, return true and set F to the corresponding value.
/// \brief Searches for a particular function name.
///
/// If it is one of the known library functions, return true and set F to the
/// corresponding value.
bool getLibFunc(StringRef funcName, LibFunc::Func &F) const;
/// has - This function is used by optimizations that want to match on or form
/// a given library function.
/// \brief Tests wether a library function is available.
bool has(LibFunc::Func F) const {
return getState(F) != Unavailable;
}
/// hasOptimizedCodeGen - Return true if the function is both available as
/// a builtin and a candidate for optimized code generation.
/// \brief Tests if the function is both available and a candidate for
/// optimized code generation.
bool hasOptimizedCodeGen(LibFunc::Func F) const {
if (getState(F) == Unavailable)
return false;
@ -772,16 +775,18 @@ public:
return CustomNames.find(F)->second;
}
/// setUnavailable - this can be used by whatever sets up TargetLibraryInfo to
/// ban use of specific library functions.
/// \brief Forces a function to be marked as unavailable.
void setUnavailable(LibFunc::Func F) {
setState(F, Unavailable);
}
/// \brief Forces a function to be marked as available.
void setAvailable(LibFunc::Func F) {
setState(F, StandardName);
}
/// \brief Forces a function to be marked as available and provide an
/// alternate name that must be used.
void setAvailableWithName(LibFunc::Func F, StringRef Name) {
if (StandardNames[F] != Name) {
setState(F, CustomName);
@ -792,8 +797,9 @@ public:
}
}
/// disableAllFunctions - This disables all builtins, which is used for
/// options like -fno-builtin.
/// \brief Disables all builtins.
///
/// This can be used for options like -fno-builtin.
void disableAllFunctions();
};