Add isRegSequence property.
[oota-llvm.git] / lib / CodeGen / LLVMTargetMachine.cpp
index f453c627be983aecf87c771c3208db7b8e75149a..0e0d7ba4c89437d1ad86cb10f1b9a3693c2eaf7a 100644 (file)
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Target/TargetMachine.h"
+
+#include "llvm/Analysis/Passes.h"
 #include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/JumpInstrTables.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/Verifier.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCInstrInfo.h"
@@ -43,22 +47,9 @@ static cl::opt<cl::boolOrDefault>
 EnableFastISelOption("fast-isel", cl::Hidden,
   cl::desc("Enable the \"fast\" instruction selector"));
 
-static cl::opt<cl::boolOrDefault>
-AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
-           cl::init(cl::BOU_UNSET));
-
-static bool getVerboseAsm() {
-  switch (AsmVerbose) {
-  case cl::BOU_UNSET: return TargetMachine::getAsmVerbosityDefault();
-  case cl::BOU_TRUE:  return true;
-  case cl::BOU_FALSE: return false;
-  }
-  llvm_unreachable("Invalid verbose asm state");
-}
-
 void LLVMTargetMachine::initAsmInfo() {
-  MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
-                                                    TargetTriple);
+  MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(
+      *getSubtargetImpl()->getRegisterInfo(), getTargetTriple());
   // TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
   // and if the old one gets included then MCAsmInfo will be NULL and
   // we'll crash later.
@@ -95,10 +86,12 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
                                           bool DisableVerify,
                                           AnalysisID StartAfter,
                                           AnalysisID StopAfter) {
+
   // Add internal analysis passes from the target machine.
   TM->addAnalysisPasses(PM);
 
-  // Targets may override createPassConfig to provide a target-specific sublass.
+  // Targets may override createPassConfig to provide a target-specific
+  // subclass.
   TargetPassConfig *PassConfig = TM->createPassConfig(PM);
   PassConfig->setStartStopPasses(StartAfter, StopAfter);
 
@@ -117,9 +110,9 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
 
   // 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(*TM->getMCAsmInfo(), *TM->getRegisterInfo(),
-                          &TM->getTargetLowering()->getObjFileLowering());
+  MachineModuleInfo *MMI = new MachineModuleInfo(
+      *TM->getMCAsmInfo(), *TM->getSubtargetImpl()->getRegisterInfo(),
+      &TM->getSubtargetImpl()->getTargetLowering()->getObjFileLowering());
   PM.add(MMI);
 
   // Set up a MachineFunction for the rest of CodeGen to work on.
@@ -148,6 +141,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                             bool DisableVerify,
                                             AnalysisID StartAfter,
                                             AnalysisID StopAfter) {
+  // Passes to handle jumptable function annotations. These can't be handled at
+  // JIT time, so we don't add them directly to addPassesToGenerateCode.
+  PM.add(createJumpInstrTableInfoPass());
+  PM.add(createJumpInstrTablesPass(Options.JTType));
+
   // Add common CodeGen passes.
   MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
                                                StartAfter, StopAfter);
@@ -164,13 +162,13 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     return false;
   }
 
-  if (hasMCSaveTempLabels())
+  if (Options.MCOptions.MCSaveTempLabels)
     Context->setAllowTemporaryLabels(false);
 
-  const MCAsmInfo &MAI = *getMCAsmInfo();
-  const MCRegisterInfo &MRI = *getRegisterInfo();
-  const MCInstrInfo &MII = *getInstrInfo();
   const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
+  const MCAsmInfo &MAI = *getMCAsmInfo();
+  const MCRegisterInfo &MRI = *getSubtargetImpl()->getRegisterInfo();
+  const MCInstrInfo &MII = *getSubtargetImpl()->getInstrInfo();
   std::unique_ptr<MCStreamer> AsmStreamer;
 
   switch (FileType) {
@@ -187,8 +185,9 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
                                                        TargetCPU);
     MCStreamer *S = getTarget().createAsmStreamer(
-        *Context, Out, getVerboseAsm(), hasMCUseDwarfDirectory(), InstPrinter,
-        MCE, MAB, Options.MCOptions.ShowMCInst);
+        *Context, Out, Options.MCOptions.AsmVerbose,
+        Options.MCOptions.MCUseDwarfDirectory, InstPrinter, MCE, MAB,
+        Options.MCOptions.ShowMCInst);
     AsmStreamer.reset(S);
     break;
   }
@@ -203,14 +202,14 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
       return true;
 
     AsmStreamer.reset(getTarget().createMCObjectStreamer(
-        getTargetTriple(), *Context, *MAB, Out, MCE, STI, hasMCRelaxAll(),
-        hasMCNoExecStack()));
+        getTargetTriple(), *Context, *MAB, Out, MCE, STI,
+        Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
     break;
   }
   case CGFT_Null:
     // The Null output is intended for use for performance analysis and testing,
     // not real users.
-    AsmStreamer.reset(createNullStreamer(*Context));
+    AsmStreamer.reset(getTarget().createNullStreamer(*Context));
     break;
   }
 
@@ -261,15 +260,15 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
   if (!Ctx)
     return true;
 
-  if (hasMCSaveTempLabels())
+  if (Options.MCOptions.MCSaveTempLabels)
     Ctx->setAllowTemporaryLabels(false);
 
   // Create the code emitter for the target if it exists.  If not, .o file
   // emission fails.
-  const MCRegisterInfo &MRI = *getRegisterInfo();
+  const MCRegisterInfo &MRI = *getSubtargetImpl()->getRegisterInfo();
   const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
-  MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), MRI,
-                                                       STI, *Ctx);
+  MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(
+      *getSubtargetImpl()->getInstrInfo(), MRI, STI, *Ctx);
   MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
                                                      TargetCPU);
   if (!MCE || !MAB)
@@ -277,8 +276,8 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
 
   std::unique_ptr<MCStreamer> AsmStreamer;
   AsmStreamer.reset(getTarget().createMCObjectStreamer(
-      getTargetTriple(), *Ctx, *MAB, Out, MCE, STI, hasMCRelaxAll(),
-      hasMCNoExecStack()));
+      getTargetTriple(), *Ctx, *MAB, Out, MCE, STI,
+      Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
   FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);