diff options
Diffstat (limited to 'lib/Target/TargetMachineRegistry.cpp')
-rw-r--r-- | lib/Target/TargetMachineRegistry.cpp | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/lib/Target/TargetMachineRegistry.cpp b/lib/Target/TargetMachineRegistry.cpp deleted file mode 100644 index c1a4777..0000000 --- a/lib/Target/TargetMachineRegistry.cpp +++ /dev/null @@ -1,78 +0,0 @@ -//===-- TargetMachineRegistry.cpp - Target Auto Registration Impl ---------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file exposes the RegisterTarget class, which TargetMachine -// implementations should use to register themselves with the system. This file -// also exposes the TargetMachineRegistry class, which allows tools to inspect -// all of registered targets. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Target/TargetMachineRegistry.h" -#include <algorithm> -using namespace llvm; - -/// getClosestStaticTargetForModule - Given an LLVM module, pick the best target -/// that is compatible with the module. If no close target can be found, this -/// returns null and sets the Error string to a reason. -const TargetMachineRegistry::entry * -TargetMachineRegistry::getClosestStaticTargetForModule(const Module &M, - std::string &Error) { - std::vector<std::pair<unsigned, const entry *> > UsableTargets; - for (Registry<TargetMachine>::iterator I = begin(), E = end(); I != E; ++I) - if (unsigned Qual = I->ModuleMatchQualityFn(M)) - UsableTargets.push_back(std::make_pair(Qual, &*I)); - - if (UsableTargets.empty()) { - Error = "No available targets are compatible with this module"; - return 0; - } else if (UsableTargets.size() == 1) - return UsableTargets.back().second; - - // Otherwise, take the best target, but make sure we don't have two equally - // good best targets. - std::sort(UsableTargets.begin(), UsableTargets.end()); - if (UsableTargets.back().first ==UsableTargets[UsableTargets.size()-2].first){ - Error = "Cannot choose between targets \"" + - std::string(UsableTargets.back().second->Name) + "\" and \"" + - std::string(UsableTargets[UsableTargets.size()-2].second->Name) + "\""; - return 0; - } - return UsableTargets.back().second; -} - -/// getClosestTargetForJIT - Pick the best target that is compatible with -/// the current host. If no close target can be found, this returns null -/// and sets the Error string to a reason. -const TargetMachineRegistry::entry * -TargetMachineRegistry::getClosestTargetForJIT(std::string &Error) { - std::vector<std::pair<unsigned, const entry *> > UsableTargets; - for (Registry<TargetMachine>::iterator I = begin(), E = end(); I != E; ++I) - if (unsigned Qual = I->JITMatchQualityFn()) - UsableTargets.push_back(std::make_pair(Qual, &*I)); - - if (UsableTargets.empty()) { - Error = "No JIT is available for this host"; - return 0; - } else if (UsableTargets.size() == 1) - return UsableTargets.back().second; - - // Otherwise, take the best target. If there is a tie, just pick one. - unsigned MaxQual = UsableTargets.front().first; - const entry *MaxQualTarget = UsableTargets.front().second; - - for (unsigned i = 1, e = UsableTargets.size(); i != e; ++i) - if (UsableTargets[i].first > MaxQual) { - MaxQual = UsableTargets[i].first; - MaxQualTarget = UsableTargets[i].second; - } - - return MaxQualTarget; -} - |