mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
9fe88973be
Patch by Pekka Jaaskelainen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132774 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the TargetLibraryInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Target/TargetLibraryInfo.h"
|
|
#include "llvm/ADT/Triple.h"
|
|
using namespace llvm;
|
|
|
|
// Register the default implementation.
|
|
INITIALIZE_PASS(TargetLibraryInfo, "targetlibinfo",
|
|
"Target Library Information", false, true)
|
|
char TargetLibraryInfo::ID = 0;
|
|
|
|
/// initialize - Initialize the set of available library functions based on the
|
|
/// specified target triple. This should be carefully written so that a missing
|
|
/// target triple gets a sane set of defaults.
|
|
static void initialize(TargetLibraryInfo &TLI, const Triple &T) {
|
|
initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
|
|
|
|
|
|
// memset_pattern16 is only available on iOS 3.0 and Mac OS/X 10.5 and later.
|
|
if (T.isMacOSX()) {
|
|
if (T.isMacOSXVersionLT(10, 5))
|
|
TLI.setUnavailable(LibFunc::memset_pattern16);
|
|
} else if (T.getOS() == Triple::IOS) {
|
|
if (T.isOSVersionLT(3, 0))
|
|
TLI.setUnavailable(LibFunc::memset_pattern16);
|
|
} else {
|
|
TLI.setUnavailable(LibFunc::memset_pattern16);
|
|
}
|
|
|
|
// iprintf and friends are only available on XCore and TCE.
|
|
if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
|
|
TLI.setUnavailable(LibFunc::iprintf);
|
|
TLI.setUnavailable(LibFunc::siprintf);
|
|
TLI.setUnavailable(LibFunc::fiprintf);
|
|
}
|
|
}
|
|
|
|
|
|
TargetLibraryInfo::TargetLibraryInfo() : ImmutablePass(ID) {
|
|
// Default to everything being available.
|
|
memset(AvailableArray, -1, sizeof(AvailableArray));
|
|
|
|
initialize(*this, Triple());
|
|
}
|
|
|
|
TargetLibraryInfo::TargetLibraryInfo(const Triple &T) : ImmutablePass(ID) {
|
|
// Default to everything being available.
|
|
memset(AvailableArray, -1, sizeof(AvailableArray));
|
|
|
|
initialize(*this, T);
|
|
}
|
|
|
|
TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI)
|
|
: ImmutablePass(ID) {
|
|
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
|
|
}
|
|
|
|
|
|
/// disableAllFunctions - This disables all builtins, which is used for options
|
|
/// like -fno-builtin.
|
|
void TargetLibraryInfo::disableAllFunctions() {
|
|
memset(AvailableArray, 0, sizeof(AvailableArray));
|
|
}
|