#include "llvm/Bitcode/BitcodeWriterPass.h"
#include "llvm/CodeGen/CommandFlags.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/LegacyPassNameParser.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Host.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
cl::desc("data layout string to use if not specified by module"),
cl::value_desc("layout-string"), cl::init(""));
+static cl::opt<bool> PreserveBitcodeUseListOrder(
+ "preserve-bc-uselistorder",
+ cl::desc("Preserve use-list order when writing LLVM bitcode."),
+ cl::init(true), cl::Hidden);
+static cl::opt<bool> PreserveAssemblyUseListOrder(
+ "preserve-ll-uselistorder",
+ cl::desc("Preserve use-list order when writing LLVM assembly."),
+ cl::init(false), cl::Hidden);
static inline void addPass(legacy::PassManagerBase &PM, Pass *P) {
// Add the pass to the pass manager...
PM.add(P);
// If we are verifying all of the intermediate steps, add the verifier...
- if (VerifyEach) {
+ if (VerifyEach)
PM.add(createVerifierPass());
- PM.add(createDebugInfoVerifierPass());
- }
}
/// This routine adds optimization passes based on selected optimization level,
static void AddOptimizationPasses(legacy::PassManagerBase &MPM,
legacy::FunctionPassManager &FPM,
unsigned OptLevel, unsigned SizeLevel) {
- FPM.add(createVerifierPass()); // Verify that input is correct
- MPM.add(createDebugInfoVerifierPass()); // Verify that debug info is correct
+ FPM.add(createVerifierPass()); // Verify that input is correct
PassManagerBuilder Builder;
Builder.OptLevel = OptLevel;
static void AddStandardLinkPasses(legacy::PassManagerBase &PM) {
PassManagerBuilder Builder;
Builder.VerifyInput = true;
- Builder.StripDebug = StripDebug;
if (DisableOptimizations)
Builder.OptLevel = 0;
// CodeGen-related helper functions.
//
-CodeGenOpt::Level GetCodeGenOptLevel() {
+static CodeGenOpt::Level GetCodeGenOptLevel() {
if (OptLevelO1)
return CodeGenOpt::Less;
if (OptLevelO2)
}
// Returns the TargetMachine instance or zero if no triple is provided.
-static TargetMachine* GetTargetMachine(Triple TheTriple) {
+static TargetMachine* GetTargetMachine(Triple TheTriple, StringRef CPUStr,
+ StringRef FeaturesStr,
+ const TargetOptions &Options) {
std::string Error;
const Target *TheTarget = TargetRegistry::lookupTarget(MArch, TheTriple,
Error);
return nullptr;
}
- // Package up features to be passed to target/subtarget
- std::string FeaturesStr;
- if (MAttrs.size()) {
- SubtargetFeatures Features;
- for (unsigned i = 0; i != MAttrs.size(); ++i)
- Features.AddFeature(MAttrs[i]);
- FeaturesStr = Features.getString();
- }
-
return TheTarget->createTargetMachine(TheTriple.getTriple(),
- MCPU, FeaturesStr,
- InitTargetOptionsFromCodeGenFlags(),
+ CPUStr, FeaturesStr, Options,
RelocModel, CMModel,
GetCodeGenOptLevel());
}
initializeVectorization(Registry);
initializeIPO(Registry);
initializeAnalysis(Registry);
- initializeIPA(Registry);
initializeTransformUtils(Registry);
initializeInstCombine(Registry);
initializeInstrumentation(Registry);
initializeRewriteSymbolsPass(Registry);
initializeWinEHPreparePass(Registry);
initializeDwarfEHPreparePass(Registry);
+ initializeSjLjEHPreparePass(Registry);
#ifdef LINK_POLLY_INTO_TOOLS
polly::initializePollyPasses(Registry);
return 1;
}
+ // Strip debug info before running the verifier.
+ if (StripDebug)
+ StripDebugInfo(*M);
+
+ // Immediately run the verifier to catch any problems before starting up the
+ // pass pipelines. Otherwise we can crash on broken code during
+ // doInitialization().
+ if (!NoVerify && verifyModule(*M, &errs())) {
+ errs() << argv[0] << ": " << InputFilename
+ << ": error: input module is broken!\n";
+ return 1;
+ }
+
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
M->setTargetTriple(Triple::normalize(TargetTriple));
}
Triple ModuleTriple(M->getTargetTriple());
+ std::string CPUStr, FeaturesStr;
TargetMachine *Machine = nullptr;
- if (ModuleTriple.getArch())
- Machine = GetTargetMachine(ModuleTriple);
+ const TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
+
+ if (ModuleTriple.getArch()) {
+ CPUStr = getCPUStr();
+ FeaturesStr = getFeaturesStr();
+ Machine = GetTargetMachine(ModuleTriple, CPUStr, FeaturesStr, Options);
+ }
+
std::unique_ptr<TargetMachine> TM(Machine);
+ // Override function attributes based on CPUStr, FeaturesStr, and command line
+ // flags.
+ setFunctionAttributes(CPUStr, FeaturesStr, *M);
+
// If the output is set to be emitted to standard out, and standard out is a
// console, print out a warning message and refuse to do it. We don't
// impress anyone by spewing tons of binary goo to a terminal.
// string. Hand off the rest of the functionality to the new code for that
// layer.
return runPassPipeline(argv[0], Context, *M, TM.get(), Out.get(),
- PassPipeline, OK, VK)
+ PassPipeline, OK, VK, PreserveAssemblyUseListOrder,
+ PreserveBitcodeUseListOrder)
? 0
: 1;
}
NoOutput = true;
}
- // If the -strip-debug command line option was specified, add it.
- if (StripDebug)
- addPass(Passes, createStripSymbolsPass(true));
-
// Create a new optimization pass for each one specified on the command line
for (unsigned i = 0; i < PassList.size(); ++i) {
if (StandardLinkOpts &&
}
if (PrintEachXForm)
- Passes.add(createPrintModulePass(errs()));
+ Passes.add(
+ createPrintModulePass(errs(), "", PreserveAssemblyUseListOrder));
}
if (StandardLinkOpts) {
}
// Check that the module is well formed on completion of optimization
- if (!NoVerify && !VerifyEach) {
+ if (!NoVerify && !VerifyEach)
Passes.add(createVerifierPass());
- Passes.add(createDebugInfoVerifierPass());
- }
// Write bitcode or assembly to the output as the last step...
if (!NoOutput && !AnalyzeOnly) {
if (OutputAssembly)
- Passes.add(createPrintModulePass(Out->os()));
+ Passes.add(
+ createPrintModulePass(Out->os(), "", PreserveAssemblyUseListOrder));
else
- Passes.add(createBitcodeWriterPass(Out->os()));
+ Passes.add(
+ createBitcodeWriterPass(Out->os(), PreserveBitcodeUseListOrder));
}
// Before executing passes, print the final values of the LLVM options.
projects / oota-llvm.git / blobdiff