#include "llvm/ADT/Triple.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/CodeGen/CommandFlags.h"
#include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
#include "llvm/CodeGen/LinkAllCodegenComponents.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.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;
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"));
-
-cl::opt<bool>
-DisableSimplifyLibCalls("disable-simplify-libcalls",
- cl::desc("Disable simplify-libcalls"),
- cl::init(false));
-
-static int compileModule(char**, LLVMContext&);
-
-// GetFileNameRoot - Helper function to get the basename of a filename.
-static inline std::string
-GetFileNameRoot(const std::string &InputFilename) {
- std::string IFN = InputFilename;
- std::string outputFilename;
- int Len = IFN.length();
- if ((Len > 2) &&
- IFN[Len-3] == '.' &&
- ((IFN[Len-2] == 'b' && IFN[Len-1] == 'c') ||
- (IFN[Len-2] == 'l' && IFN[Len-1] == 'l'))) {
- outputFilename = std::string(IFN.begin(), IFN.end()-3); // s/.bc/.s/
- } else {
- outputFilename = IFN;
- }
- return outputFilename;
-}
+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"));
+
+static cl::opt<bool> ShowMCEncoding("show-mc-encoding", cl::Hidden,
+ cl::desc("Show encoding in .s output"));
+
+static cl::opt<bool> EnableDwarfDirectory(
+ "enable-dwarf-directory", cl::Hidden,
+ cl::desc("Use .file directives with an explicit directory."));
-static tool_output_file *GetOutputStream(const char *TargetName,
- Triple::OSType OS,
- const char *ProgName) {
+static cl::opt<bool> AsmVerbose("asm-verbose",
+ cl::desc("Add comments to directives."),
+ cl::init(true));
+
+static int compileModule(char **, LLVMContext &);
+
+static std::unique_ptr<tool_output_file>
+GetOutputStream(const char *TargetName, Triple::OSType OS,
+ const char *ProgName) {
// If we don't yet have an output filename, make one.
if (OutputFilename.empty()) {
if (InputFilename == "-")
OutputFilename = "-";
else {
- OutputFilename = GetFileNameRoot(InputFilename);
+ // If InputFilename ends in .bc or .ll, remove it.
+ StringRef IFN = InputFilename;
+ if (IFN.endswith(".bc") || IFN.endswith(".ll"))
+ OutputFilename = IFN.drop_back(3);
+ else
+ OutputFilename = IFN;
switch (FileType) {
case TargetMachine::CGFT_AssemblyFile:
}
// Open the file.
- std::string error;
+ 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.c_str(), error,
- OpenFlags);
- if (!error.empty()) {
- errs() << error << '\n';
- delete FDOut;
+ auto FDOut = llvm::make_unique<tool_output_file>(OutputFilename, EC,
+ OpenFlags);
+ if (EC) {
+ errs() << EC.message() << '\n';
return nullptr;
}
// Load the module to be compiled...
SMDiagnostic Err;
std::unique_ptr<Module> M;
- Module *mod = nullptr;
Triple TheTriple;
bool SkipModule = MCPU == "help" ||
// If user just wants to list available options, skip module loading
if (!SkipModule) {
- M.reset(ParseIRFile(InputFilename, Err, Context));
- mod = M.get();
- if (mod == nullptr) {
+ M = parseIRFile(InputFilename, Err, Context);
+ if (!M) {
Err.print(argv[0], errs());
return 1;
}
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
- mod->setTargetTriple(Triple::normalize(TargetTriple));
- TheTriple = Triple(mod->getTargetTriple());
+ M->setTargetTriple(Triple::normalize(TargetTriple));
+ TheTriple = Triple(M->getTargetTriple());
} else {
TheTriple = Triple(Triple::normalize(TargetTriple));
}
TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
Options.DisableIntegratedAS = NoIntegratedAssembler;
+ Options.MCOptions.ShowMCEncoding = ShowMCEncoding;
+ Options.MCOptions.MCUseDwarfDirectory = EnableDwarfDirectory;
+ Options.MCOptions.AsmVerbose = AsmVerbose;
- std::unique_ptr<TargetMachine> target(
+ std::unique_ptr<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();
+ assert(Target && "Could not allocate target machine!");
+
+ // 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(M && "Should have exited if we didn't have a module!");
if (GenerateSoftFloatCalls)
FloatABIForCalls = FloatABI::Soft;
// Figure out where we are going to send the output.
- std::unique_ptr<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.
PassManager PM;
// Add an appropriate TargetLibraryInfo pass for the module's triple.
- TargetLibraryInfo *TLI = new TargetLibraryInfo(TheTriple);
+ TargetLibraryInfo TLI(Triple(M->getTargetTriple()));
+
+ // The -disable-simplify-libcalls flag actually disables all builtin optzns.
if (DisableSimplifyLibCalls)
- TLI->disableAllFunctions();
- PM.add(TLI);
+ TLI.disableAllFunctions();
+ PM.add(new TargetLibraryInfoWrapperPass(TLI));
// Add the target data from the target machine, if it exists, or the module.
- if (const DataLayout *DL = Target.getDataLayout())
- mod->setDataLayout(DL);
- PM.add(new DataLayoutPass(mod));
-
- // Override default to generate verbose assembly.
- Target.setAsmVerbosityDefault(true);
+ if (const DataLayout *DL = Target->getSubtargetImpl()->getDataLayout())
+ M->setDataLayout(DL);
+ PM.add(new DataLayoutPass());
- 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());
}
// Ask the target to add backend passes as necessary.
- if (Target.addPassesToEmitFile(PM, FOS, FileType, NoVerify,
- StartAfterID, StopAfterID)) {
+ if (Target->addPassesToEmitFile(PM, FOS, FileType, NoVerify,
+ StartAfterID, StopAfterID)) {
errs() << argv[0] << ": target does not support generation of this"
<< " file type!\n";
return 1;
// Before executing passes, print the final values of the LLVM options.
cl::PrintOptionValues();
- PM.run(*mod);
+ PM.run(*M);
}
// Declare success.
projects / oota-llvm.git / blobdiff