#include "llvm/Target/TargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/Analysis/Verifier.h"
-#include "llvm/Analysis/Passes.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCStreamer.h"
+#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/StandardPasses.h"
using namespace llvm;
namespace llvm {
EnableFastISelOption("fast-isel", cl::Hidden,
cl::desc("Enable the \"fast\" instruction selector"));
-// Enable or disable an experimental optimization to split GEPs
-// and run a special GVN pass which does not examine loads, in
-// an effort to factor out redundancy implicit in complex GEPs.
-static cl::opt<bool> EnableSplitGEPGVN("split-gep-gvn", cl::Hidden,
- cl::desc("Split GEPs and run no-load GVN"));
-
LLVMTargetMachine::LLVMTargetMachine(const Target &T,
const std::string &Triple)
: TargetMachine(T), TargetTriple(Triple) {
return true;
assert(Context != 0 && "Failed to get MCContext");
+ if (hasMCSaveTempLabels())
+ Context->setAllowTemporaryLabels(false);
+
const MCAsmInfo &MAI = *getMCAsmInfo();
OwningPtr<MCStreamer> AsmStreamer;
default: return true;
case CGFT_AssemblyFile: {
MCInstPrinter *InstPrinter =
- getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI);
+ getTarget().createMCInstPrinter(*this, MAI.getAssemblerDialect(), MAI);
// Create a code emitter if asked to show the encoding.
MCCodeEmitter *MCE = 0;
- if (ShowMCEncoding)
+ TargetAsmBackend *TAB = 0;
+ if (ShowMCEncoding) {
MCE = getTarget().createCodeEmitter(*this, *Context);
-
- AsmStreamer.reset(createAsmStreamer(*Context, Out,
- getTargetData()->isLittleEndian(),
- getVerboseAsm(), InstPrinter,
- MCE, ShowMCInst));
+ TAB = getTarget().createAsmBackend(TargetTriple);
+ }
+
+ MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
+ getVerboseAsm(),
+ hasMCUseLoc(),
+ InstPrinter,
+ MCE, TAB,
+ ShowMCInst);
+ AsmStreamer.reset(S);
break;
}
case CGFT_ObjectFile: {
AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Context,
*TAB, Out, MCE,
- hasMCRelaxAll()));
+ hasMCRelaxAll(),
+ hasMCNoExecStack()));
AsmStreamer.get()->InitSections();
break;
}
///
bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
MCContext *&Ctx,
+ raw_ostream &Out,
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
// Add common CodeGen passes.
if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify, Ctx))
return true;
+
+ if (hasMCSaveTempLabels())
+ Ctx->setAllowTemporaryLabels(false);
+
+ // Create the code emitter for the target if it exists. If not, .o file
+ // emission fails.
+ MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this, *Ctx);
+ TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
+ if (MCE == 0 || TAB == 0)
+ return true;
+
+ OwningPtr<MCStreamer> AsmStreamer;
+ AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Ctx,
+ *TAB, Out, MCE,
+ hasMCRelaxAll(),
+ hasMCNoExecStack()));
+ AsmStreamer.get()->InitSections();
+
+ // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
+ FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
+ if (Printer == 0)
+ return true;
+
+ // If successful, createAsmPrinter took ownership of AsmStreamer.
+ AsmStreamer.take();
+
+ PM.add(Printer);
+
// Make sure the code model is set.
setCodeModelForJIT();
PM.add(createMachineFunctionPrinterPass(dbgs(), Banner));
if (VerifyMachineCode)
- PM.add(createMachineVerifierPass());
+ PM.add(createMachineVerifierPass(Banner));
}
/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for both
// Standard LLVM-Level Passes.
// Basic AliasAnalysis support.
- PM.add(createBasicAliasAnalysisPass());
+ createStandardAliasAnalysisPasses(&PM);
// Before running any passes, run the verifier to determine if the input
// coming from the front-end and/or optimizer is valid.
if (!DisableVerify)
PM.add(createVerifierPass());
- // Optionally, tun split-GEPs and no-load GVN.
- if (EnableSplitGEPGVN) {
- PM.add(createGEPSplitterPass());
- PM.add(createGVNPass(/*NoLoads=*/true));
- }
-
// Run loop strength reduction before anything else.
if (OptLevel != CodeGenOpt::None && !DisableLSR) {
PM.add(createLoopStrengthReducePass(getTargetLowering()));
// edge from elsewhere.
PM.add(createSjLjEHPass(getTargetLowering()));
// FALLTHROUGH
- case ExceptionHandling::Dwarf:
+ case ExceptionHandling::DwarfCFI:
+ case ExceptionHandling::DwarfTable:
+ case ExceptionHandling::ARM:
PM.add(createDwarfEHPass(this));
break;
case ExceptionHandling::None:
// Install a MachineModuleInfo class, which is an immutable pass that holds
// all the per-module stuff we're generating, including MCContext.
- MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo());
+ TargetAsmInfo *TAI = new TargetAsmInfo(*this);
+ MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo(), TAI);
PM.add(MMI);
OutContext = &MMI->getContext(); // Return the MCContext specifically by-ref.
// Print the instruction selected machine code...
printAndVerify(PM, "After Instruction Selection");
+ // Expand pseudo-instructions emitted by ISel.
+ PM.add(createExpandISelPseudosPass());
+
// Optimize PHIs before DCE: removing dead PHI cycles may make more
// instructions dead.
if (OptLevel != CodeGenOpt::None)
PM.add(createDeadMachineInstructionElimPass());
printAndVerify(PM, "After codegen DCE pass");
- PM.add(createPeepholeOptimizerPass());
if (!DisableMachineLICM)
PM.add(createMachineLICMPass());
PM.add(createMachineCSEPass());
if (!DisableMachineSink)
PM.add(createMachineSinkingPass());
printAndVerify(PM, "After Machine LICM, CSE and Sinking passes");
+
+ PM.add(createPeepholeOptimizerPass());
+ printAndVerify(PM, "After codegen peephole optimization pass");
}
// Pre-ra tail duplication.
projects / oota-llvm.git / blobdiff