mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
5139984739
MachineModuleInfo can only be used in code using lib/CodeGen, hence we can keep a more specific reference to LLVMTargetMachine rather than just TargetMachine around. llvm-svn: 346182
124 lines
4.1 KiB
C++
124 lines
4.1 KiB
C++
#include "AArch64Subtarget.h"
|
|
#include "AArch64TargetMachine.h"
|
|
#include "llvm/CodeGen/MIRParser/MIRParser.h"
|
|
#include "llvm/CodeGen/MachineModuleInfo.h"
|
|
#include "llvm/Support/TargetRegistry.h"
|
|
#include "llvm/Support/TargetSelect.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
std::unique_ptr<LLVMTargetMachine> createTargetMachine() {
|
|
auto TT(Triple::normalize("aarch64--"));
|
|
std::string CPU("generic");
|
|
std::string FS("");
|
|
|
|
LLVMInitializeAArch64TargetInfo();
|
|
LLVMInitializeAArch64Target();
|
|
LLVMInitializeAArch64TargetMC();
|
|
|
|
std::string Error;
|
|
const Target *TheTarget = TargetRegistry::lookupTarget(TT, Error);
|
|
|
|
return std::unique_ptr<LLVMTargetMachine>(static_cast<LLVMTargetMachine*>(
|
|
TheTarget->createTargetMachine(TT, CPU, FS, TargetOptions(), None, None,
|
|
CodeGenOpt::Default)));
|
|
}
|
|
|
|
std::unique_ptr<AArch64InstrInfo> createInstrInfo(TargetMachine *TM) {
|
|
AArch64Subtarget ST(TM->getTargetTriple(), TM->getTargetCPU(),
|
|
TM->getTargetFeatureString(), *TM, /* isLittle */ false);
|
|
return llvm::make_unique<AArch64InstrInfo>(ST);
|
|
}
|
|
|
|
/// The \p InputIRSnippet is only needed for things that can't be expressed in
|
|
/// the \p InputMIRSnippet (global variables etc)
|
|
/// TODO: Some of this might be useful for other architectures as well - extract
|
|
/// the platform-independent parts somewhere they can be reused.
|
|
void runChecks(
|
|
LLVMTargetMachine *TM, AArch64InstrInfo *II, const StringRef InputIRSnippet,
|
|
const StringRef InputMIRSnippet,
|
|
std::function<void(AArch64InstrInfo &, MachineFunction &)> Checks) {
|
|
LLVMContext Context;
|
|
|
|
auto MIRString =
|
|
"--- |\n"
|
|
" declare void @sizes()\n"
|
|
+ InputIRSnippet.str() +
|
|
"...\n"
|
|
"---\n"
|
|
"name: sizes\n"
|
|
"body: |\n"
|
|
" bb.0:\n"
|
|
+ InputMIRSnippet.str();
|
|
|
|
std::unique_ptr<MemoryBuffer> MBuffer = MemoryBuffer::getMemBuffer(MIRString);
|
|
std::unique_ptr<MIRParser> MParser =
|
|
createMIRParser(std::move(MBuffer), Context);
|
|
ASSERT_TRUE(MParser);
|
|
|
|
std::unique_ptr<Module> M = MParser->parseIRModule();
|
|
ASSERT_TRUE(M);
|
|
|
|
M->setTargetTriple(TM->getTargetTriple().getTriple());
|
|
M->setDataLayout(TM->createDataLayout());
|
|
|
|
MachineModuleInfo MMI(TM);
|
|
bool Res = MParser->parseMachineFunctions(*M, MMI);
|
|
ASSERT_FALSE(Res);
|
|
|
|
auto F = M->getFunction("sizes");
|
|
ASSERT_TRUE(F != nullptr);
|
|
auto &MF = MMI.getOrCreateMachineFunction(*F);
|
|
|
|
Checks(*II, MF);
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
TEST(InstSizes, STACKMAP) {
|
|
std::unique_ptr<LLVMTargetMachine> TM = createTargetMachine();
|
|
ASSERT_TRUE(TM);
|
|
std::unique_ptr<AArch64InstrInfo> II = createInstrInfo(TM.get());
|
|
|
|
runChecks(TM.get(), II.get(), "", " STACKMAP 0, 16\n"
|
|
" STACKMAP 1, 32\n",
|
|
[](AArch64InstrInfo &II, MachineFunction &MF) {
|
|
auto I = MF.begin()->begin();
|
|
EXPECT_EQ(16u, II.getInstSizeInBytes(*I));
|
|
++I;
|
|
EXPECT_EQ(32u, II.getInstSizeInBytes(*I));
|
|
});
|
|
}
|
|
|
|
TEST(InstSizes, PATCHPOINT) {
|
|
std::unique_ptr<LLVMTargetMachine> TM = createTargetMachine();
|
|
std::unique_ptr<AArch64InstrInfo> II = createInstrInfo(TM.get());
|
|
|
|
runChecks(TM.get(), II.get(), "",
|
|
" PATCHPOINT 0, 16, 0, 0, 0, csr_aarch64_aapcs\n"
|
|
" PATCHPOINT 1, 32, 0, 0, 0, csr_aarch64_aapcs\n",
|
|
[](AArch64InstrInfo &II, MachineFunction &MF) {
|
|
auto I = MF.begin()->begin();
|
|
EXPECT_EQ(16u, II.getInstSizeInBytes(*I));
|
|
++I;
|
|
EXPECT_EQ(32u, II.getInstSizeInBytes(*I));
|
|
});
|
|
}
|
|
|
|
TEST(InstSizes, TLSDESC_CALLSEQ) {
|
|
std::unique_ptr<LLVMTargetMachine> TM = createTargetMachine();
|
|
std::unique_ptr<AArch64InstrInfo> II = createInstrInfo(TM.get());
|
|
|
|
runChecks(
|
|
TM.get(), II.get(),
|
|
" @ThreadLocalGlobal = external thread_local global i32, align 8\n",
|
|
" TLSDESC_CALLSEQ target-flags(aarch64-tls) @ThreadLocalGlobal\n",
|
|
[](AArch64InstrInfo &II, MachineFunction &MF) {
|
|
auto I = MF.begin()->begin();
|
|
EXPECT_EQ(16u, II.getInstSizeInBytes(*I));
|
|
});
|
|
}
|