forked from OSchip/llvm-project
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
#include "llvm/Target/TargetOptions.h"
|
|
#include "llvm/CodeGen/TargetPassConfig.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "llvm/IR/LegacyPassManager.h"
|
|
#include "llvm/InitializePasses.h"
|
|
#include "llvm/Support/TargetRegistry.h"
|
|
#include "llvm/Support/TargetSelect.h"
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace llvm {
|
|
void initializeTestPassPass(PassRegistry &);
|
|
}
|
|
|
|
namespace {
|
|
|
|
void initLLVM() {
|
|
InitializeAllTargets();
|
|
InitializeAllTargetMCs();
|
|
InitializeAllAsmPrinters();
|
|
InitializeAllAsmParsers();
|
|
|
|
PassRegistry *Registry = PassRegistry::getPassRegistry();
|
|
initializeCore(*Registry);
|
|
initializeCodeGen(*Registry);
|
|
}
|
|
|
|
/// Create a TargetMachine. We need a target that doesn't have IPRA enabled by
|
|
/// default. That turns out to be all targets at the moment, so just use X86.
|
|
std::unique_ptr<TargetMachine> createTargetMachine(bool EnableIPRA) {
|
|
Triple TargetTriple("x86_64--");
|
|
std::string Error;
|
|
const Target *T = TargetRegistry::lookupTarget("", TargetTriple, Error);
|
|
if (!T)
|
|
return nullptr;
|
|
|
|
TargetOptions Options;
|
|
Options.EnableIPRA = EnableIPRA;
|
|
return std::unique_ptr<TargetMachine>(T->createTargetMachine(
|
|
"X86", "", "", Options, None, None, CodeGenOpt::Aggressive));
|
|
}
|
|
|
|
typedef std::function<void(bool)> TargetOptionsTest;
|
|
|
|
static void targetOptionsTest(bool EnableIPRA) {
|
|
std::unique_ptr<TargetMachine> TM = createTargetMachine(EnableIPRA);
|
|
// This test is designed for the X86 backend; stop if it is not available.
|
|
if (!TM)
|
|
GTEST_SKIP();
|
|
legacy::PassManager PM;
|
|
LLVMTargetMachine *LLVMTM = static_cast<LLVMTargetMachine *>(TM.get());
|
|
|
|
TargetPassConfig *TPC = LLVMTM->createPassConfig(PM);
|
|
(void)TPC;
|
|
|
|
ASSERT_TRUE(TM->Options.EnableIPRA == EnableIPRA);
|
|
|
|
delete TPC;
|
|
}
|
|
|
|
} // End of anonymous namespace.
|
|
|
|
TEST(TargetOptionsTest, IPRASetToOff) {
|
|
targetOptionsTest(false);
|
|
}
|
|
|
|
TEST(TargetOptionsTest, IPRASetToOn) {
|
|
targetOptionsTest(true);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
initLLVM();
|
|
return RUN_ALL_TESTS();
|
|
}
|