Move TargetRegistry and TargetSelect from Target to Support where they belong.

[oota-llvm.git] / lib / CodeGen / LLVMTargetMachine.cpp

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index de2c8e4ffa3cc898b8a6496c0dfa70cf54781005..f835f16ea3ec0d2e5d8ac145a11538a19536be9d 100644 (file)
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -27,17 +27,18 @@
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetRegistry.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
 namespace llvm {
@@ -56,8 +57,12 @@ static cl::opt<bool> DisableCodePlace("disable-code-place", cl::Hidden,
     cl::desc("Disable code placement"));
 static cl::opt<bool> DisableSSC("disable-ssc", cl::Hidden,
     cl::desc("Disable Stack Slot Coloring"));
+static cl::opt<bool> DisableMachineDCE("disable-machine-dce", cl::Hidden,
+    cl::desc("Disable Machine Dead Code Elimination"));
 static cl::opt<bool> DisableMachineLICM("disable-machine-licm", cl::Hidden,
     cl::desc("Disable Machine LICM"));
+static cl::opt<bool> DisableMachineCSE("disable-machine-cse", cl::Hidden,
+    cl::desc("Disable Machine Common Subexpression Elimination"));
 static cl::opt<bool> DisablePostRAMachineLICM("disable-postra-machine-licm",
     cl::Hidden,
     cl::desc("Disable Machine LICM"));
@@ -136,11 +141,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
 
     // Create a code emitter if asked to show the encoding.
     MCCodeEmitter *MCE = 0;
-    TargetAsmBackend *TAB = 0;
+    MCAsmBackend *MAB = 0;
     if (ShowMCEncoding) {
       const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
-      MCE = getTarget().createCodeEmitter(*getInstrInfo(), STI, *Context);
-      TAB = getTarget().createAsmBackend(getTargetTriple());
+      MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), STI, *Context);
+      MAB = getTarget().createMCAsmBackend(getTargetTriple());
     }
 
     MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
@@ -148,7 +153,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                                   hasMCUseLoc(),
                                                   hasMCUseCFI(),
                                                   InstPrinter,
-                                                  MCE, TAB,
+                                                  MCE, MAB,
                                                   ShowMCInst);
     AsmStreamer.reset(S);
     break;
@@ -157,16 +162,16 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     // Create the code emitter for the target if it exists.  If not, .o file
     // emission fails.
     const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
-    MCCodeEmitter *MCE = getTarget().createCodeEmitter(*getInstrInfo(), STI,
-                                                       *Context);
-    TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
-    if (MCE == 0 || TAB == 0)
+    MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), STI,
+                                                         *Context);
+    MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
+    if (MCE == 0 || MAB == 0)
       return true;
 
-    AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(),
-                                                       *Context, *TAB, Out, MCE,
-                                                       hasMCRelaxAll(),
-                                                       hasMCNoExecStack()));
+    AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(),
+                                                         *Context, *MAB, Out,
+                                                         MCE, hasMCRelaxAll(),
+                                                         hasMCNoExecStack()));
     AsmStreamer.get()->InitSections();
     break;
   }
@@ -235,16 +240,16 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
   // Create the code emitter for the target if it exists.  If not, .o file
   // emission fails.
   const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
-  MCCodeEmitter *MCE = getTarget().createCodeEmitter(*getInstrInfo(),STI, *Ctx);
-  TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
-  if (MCE == 0 || TAB == 0)
+  MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(),STI, *Ctx);
+  MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
+  if (MCE == 0 || MAB == 0)
     return true;
 
   OwningPtr<MCStreamer> AsmStreamer;
-  AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(), *Ctx,
-                                                     *TAB, Out, MCE,
-                                                     hasMCRelaxAll(),
-                                                     hasMCNoExecStack()));
+  AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(), *Ctx,
+                                                       *MAB, Out, MCE,
+                                                       hasMCRelaxAll(),
+                                                       hasMCNoExecStack()));
   AsmStreamer.get()->InitSections();
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
@@ -353,11 +358,9 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
 
   // Install a MachineModuleInfo class, which is an immutable pass that holds
   // all the per-module stuff we're generating, including MCContext.
-  TargetAsmInfo *TAI = new TargetAsmInfo(*this);
   MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo(),
                                                  *getRegisterInfo(),
-                                     &getTargetLowering()->getObjFileLowering(),
-                                                 TAI);
+                                     &getTargetLowering()->getObjFileLowering());
   PM.add(MMI);
   OutContext = &MMI->getContext(); // Return the MCContext specifically by-ref.
 
@@ -399,12 +402,14 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
     // there is one known exception: lowered code for arguments that are only
     // used by tail calls, where the tail calls reuse the incoming stack
     // arguments directly (see t11 in test/CodeGen/X86/sibcall.ll).
-    PM.add(createDeadMachineInstructionElimPass());
+    if (!DisableMachineDCE)
+      PM.add(createDeadMachineInstructionElimPass());
     printAndVerify(PM, "After codegen DCE pass");
 
     if (!DisableMachineLICM)
       PM.add(createMachineLICMPass());
-    PM.add(createMachineCSEPass());
+    if (!DisableMachineCSE)
+      PM.add(createMachineCSEPass());
     if (!DisableMachineSink)
       PM.add(createMachineSinkingPass());
     printAndVerify(PM, "After Machine LICM, CSE and Sinking passes");