//
//===----------------------------------------------------------------------===//
-#include "llvm/IR/LLVMContext.h"
+
#include "llvm/ADT/Triple.h"
-#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/CodeGen/CommandFlags.h"
#include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
#include "llvm/CodeGen/LinkAllCodegenComponents.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IRReader/IRReader.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include <memory>
using namespace llvm;
cl::value_desc("N"),
cl::desc("Repeat compilation N times for timing"));
+static cl::opt<bool>
+NoIntegratedAssembler("no-integrated-as", cl::Hidden,
+ cl::desc("Disable integrated assembler"));
+
// Determine optimization level.
static cl::opt<char>
OptLevel("O",
static cl::opt<std::string>
TargetTriple("mtriple", cl::desc("Override target triple for module"));
-cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
- cl::desc("Do not verify input module"));
+static cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
+ cl::desc("Do not verify input module"));
+
+static cl::opt<bool> DisableSimplifyLibCalls("disable-simplify-libcalls",
+ cl::desc("Disable simplify-libcalls"));
-cl::opt<bool>
-DisableSimplifyLibCalls("disable-simplify-libcalls",
- cl::desc("Disable simplify-libcalls"),
- cl::init(false));
+static cl::opt<bool> ShowMCEncoding("show-mc-encoding", cl::Hidden,
+ cl::desc("Show encoding in .s output"));
-static int compileModule(char**, LLVMContext&);
+static cl::opt<bool> EnableDwarfDirectory(
+ "enable-dwarf-directory", cl::Hidden,
+ cl::desc("Use .file directives with an explicit directory."));
+
+static cl::opt<bool> AsmVerbose("asm-verbose",
+ cl::desc("Add comments to directives."),
+ cl::init(true));
+
+static int compileModule(char **, LLVMContext &);
// GetFileNameRoot - Helper function to get the basename of a filename.
static inline std::string
}
// Open the file.
- std::string error;
- unsigned OpenFlags = 0;
- if (Binary) OpenFlags |= raw_fd_ostream::F_Binary;
- tool_output_file *FDOut = new tool_output_file(OutputFilename.c_str(), error,
- OpenFlags);
- if (!error.empty()) {
- errs() << error << '\n';
+ std::error_code EC;
+ sys::fs::OpenFlags OpenFlags = sys::fs::F_None;
+ if (!Binary)
+ OpenFlags |= sys::fs::F_Text;
+ tool_output_file *FDOut = new tool_output_file(OutputFilename, EC, OpenFlags);
+ if (EC) {
+ errs() << EC.message() << '\n';
delete FDOut;
- return 0;
+ return nullptr;
}
return FDOut;
static int compileModule(char **argv, LLVMContext &Context) {
// Load the module to be compiled...
SMDiagnostic Err;
- OwningPtr<Module> M;
- Module *mod = 0;
+ std::unique_ptr<Module> M;
+ Module *mod = nullptr;
Triple TheTriple;
bool SkipModule = MCPU == "help" ||
(!MAttrs.empty() && MAttrs.front() == "help");
+ // If user asked for the 'native' CPU, autodetect here. If autodection fails,
+ // this will set the CPU to an empty string which tells the target to
+ // pick a basic default.
+ if (MCPU == "native")
+ MCPU = sys::getHostCPUName();
+
// If user just wants to list available options, skip module loading
if (!SkipModule) {
M.reset(ParseIRFile(InputFilename, Err, Context));
mod = M.get();
- if (mod == 0) {
+ if (mod == nullptr) {
Err.print(argv[0], errs());
return 1;
}
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
- TargetOptions Options;
- Options.LessPreciseFPMADOption = EnableFPMAD;
- Options.NoFramePointerElim = DisableFPElim;
- Options.NoFramePointerElimNonLeaf = DisableFPElimNonLeaf;
- Options.AllowFPOpFusion = FuseFPOps;
- Options.UnsafeFPMath = EnableUnsafeFPMath;
- Options.NoInfsFPMath = EnableNoInfsFPMath;
- Options.NoNaNsFPMath = EnableNoNaNsFPMath;
- Options.HonorSignDependentRoundingFPMathOption =
- EnableHonorSignDependentRoundingFPMath;
- Options.UseSoftFloat = GenerateSoftFloatCalls;
- if (FloatABIForCalls != FloatABI::Default)
- Options.FloatABIType = FloatABIForCalls;
- Options.NoZerosInBSS = DontPlaceZerosInBSS;
- Options.GuaranteedTailCallOpt = EnableGuaranteedTailCallOpt;
- Options.DisableTailCalls = DisableTailCalls;
- Options.StackAlignmentOverride = OverrideStackAlignment;
- Options.RealignStack = EnableRealignStack;
- Options.TrapFuncName = TrapFuncName;
- Options.PositionIndependentExecutable = EnablePIE;
- Options.EnableSegmentedStacks = SegmentedStacks;
- Options.UseInitArray = UseInitArray;
- Options.SSPBufferSize = SSPBufferSize;
-
- OwningPtr<TargetMachine>
- target(TheTarget->createTargetMachine(TheTriple.getTriple(),
- MCPU, FeaturesStr, Options,
- RelocModel, CMModel, OLvl));
- assert(target.get() && "Could not allocate target machine!");
- assert(mod && "Should have exited after outputting help!");
- TargetMachine &Target = *target.get();
+ TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+ Options.DisableIntegratedAS = NoIntegratedAssembler;
+ Options.MCOptions.ShowMCEncoding = ShowMCEncoding;
+ Options.MCOptions.MCUseDwarfDirectory = EnableDwarfDirectory;
+ Options.MCOptions.AsmVerbose = AsmVerbose;
- if (DisableDotLoc)
- Target.setMCUseLoc(false);
+ std::unique_ptr<TargetMachine> target(
+ TheTarget->createTargetMachine(TheTriple.getTriple(), MCPU, FeaturesStr,
+ Options, RelocModel, CMModel, OLvl));
+ assert(target.get() && "Could not allocate target machine!");
- if (DisableCFI)
- Target.setMCUseCFI(false);
+ // If we don't have a module then just exit now. We do this down
+ // here since the CPU/Feature help is underneath the target machine
+ // creation.
+ if (SkipModule)
+ return 0;
- if (EnableDwarfDirectory)
- Target.setMCUseDwarfDirectory(true);
+ assert(mod && "Should have exited if we didn't have a module!");
+ TargetMachine &Target = *target.get();
if (GenerateSoftFloatCalls)
FloatABIForCalls = FloatABI::Soft;
- // Disable .loc support for older OS X versions.
- if (TheTriple.isMacOSX() &&
- TheTriple.isMacOSXVersionLT(10, 6))
- Target.setMCUseLoc(false);
-
// Figure out where we are going to send the output.
- OwningPtr<tool_output_file> Out
- (GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
+ std::unique_ptr<tool_output_file> Out(
+ GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
if (!Out) return 1;
// Build up all of the passes that we want to do to the module.
TLI->disableAllFunctions();
PM.add(TLI);
- // Add intenal analysis passes from the target machine.
- Target.addAnalysisPasses(PM);
-
// Add the target data from the target machine, if it exists, or the module.
- if (const DataLayout *TD = Target.getDataLayout())
- PM.add(new DataLayout(*TD));
- else
- PM.add(new DataLayout(mod));
+ if (const DataLayout *DL = Target.getSubtargetImpl()->getDataLayout())
+ mod->setDataLayout(DL);
+ PM.add(new DataLayoutPass(mod));
- // Override default to generate verbose assembly.
- Target.setAsmVerbosityDefault(true);
-
- if (RelaxAll) {
- if (FileType != TargetMachine::CGFT_ObjectFile)
- errs() << argv[0]
+ if (RelaxAll.getNumOccurrences() > 0 &&
+ FileType != TargetMachine::CGFT_ObjectFile)
+ errs() << argv[0]
<< ": warning: ignoring -mc-relax-all because filetype != obj";
- else
- Target.setMCRelaxAll(true);
- }
{
formatted_raw_ostream FOS(Out->os());
- AnalysisID StartAfterID = 0;
- AnalysisID StopAfterID = 0;
+ AnalysisID StartAfterID = nullptr;
+ AnalysisID StopAfterID = nullptr;
const PassRegistry *PR = PassRegistry::getPassRegistry();
if (!StartAfter.empty()) {
const PassInfo *PI = PR->getPassInfo(StartAfter);
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