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419454ad37
and siprintf is available on the target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126937 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the TargetLibraryInfo class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Target/TargetLibraryInfo.h"
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#include "llvm/ADT/Triple.h"
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using namespace llvm;
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// Register the default implementation.
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INITIALIZE_PASS(TargetLibraryInfo, "targetlibinfo",
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"Target Library Information", false, true)
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char TargetLibraryInfo::ID = 0;
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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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initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
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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.getOS() != Triple::Darwin || T.getDarwinMajorNumber() < 9)
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TLI.setUnavailable(LibFunc::memset_pattern16);
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// iprintf and friends are only available on XCore.
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if (T.getArch() != Triple::xcore) {
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TLI.setUnavailable(LibFunc::iprintf);
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TLI.setUnavailable(LibFunc::siprintf);
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}
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}
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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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}
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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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}
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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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void TargetLibraryInfo::disableAllFunctions() {
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memset(AvailableArray, 0, sizeof(AvailableArray));
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}
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