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//===- MCJITTestBase.h - Common base class for MCJIT Unit tests ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class implements functionality shared by both MCJIT C API tests, and
// the C++ API tests.
//
//===----------------------------------------------------------------------===//
#ifndef MCJIT_TEST_API_COMMON_H
#define MCJIT_TEST_API_COMMON_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/TargetSelect.h"
// Used to skip tests on unsupported architectures and operating systems.
// To skip a test, add this macro at the top of a test-case in a suite that
// inherits from MCJITTestBase. See MCJITTest.cpp for examples.
#define SKIP_UNSUPPORTED_PLATFORM \
do \
if (!ArchSupportsMCJIT() || !OSSupportsMCJIT()) \
return; \
while(0)
namespace llvm {
class MCJITTestAPICommon {
protected:
MCJITTestAPICommon()
: HostTriple(sys::getProcessTriple())
{
InitializeNativeTarget();
InitializeNativeTargetAsmPrinter();
#ifdef LLVM_ON_WIN32
// On Windows, generate ELF objects by specifying "-elf" in triple
HostTriple += "-elf";
#endif // LLVM_ON_WIN32
HostTriple = Triple::normalize(HostTriple);
}
/// Returns true if the host architecture is known to support MCJIT
bool ArchSupportsMCJIT() {
Triple Host(HostTriple);
// If ARCH is not supported, bail
if (std::find(SupportedArchs.begin(), SupportedArchs.end(), Host.getArch())
== SupportedArchs.end())
return false;
// If ARCH is supported and has no specific sub-arch support
if (std::find(HasSubArchs.begin(), HasSubArchs.end(), Host.getArch())
== HasSubArchs.end())
return true;
// If ARCH has sub-arch support, find it
SmallVectorImpl<std::string>::const_iterator I = SupportedSubArchs.begin();
for(; I != SupportedSubArchs.end(); ++I)
if (Host.getArchName().startswith(I->c_str()))
return true;
return false;
}
/// Returns true if the host OS is known to support MCJIT
bool OSSupportsMCJIT() {
Triple Host(HostTriple);
if (std::find(UnsupportedOSs.begin(), UnsupportedOSs.end(), Host.getOS())
== UnsupportedOSs.end()) {
return true;
}
return false;
}
std::string HostTriple;
SmallVector<Triple::ArchType, 4> SupportedArchs;
SmallVector<Triple::ArchType, 1> HasSubArchs;
SmallVector<std::string, 2> SupportedSubArchs; // We need to own the memory
SmallVector<Triple::OSType, 4> UnsupportedOSs;
};
} // namespace llvm
#endif // MCJIT_TEST_API_COMMON_H
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