[llvm-commits] CVS: llvm/lib/Target/TargetMachine.cpp

Chris Lattner lattner at cs.uiuc.edu
Sun Oct 27 19:04:01 PST 2002


Changes in directory llvm/lib/Target:

TargetMachine.cpp updated: 1.13 -> 1.14

---
Log message:

Move addPassesToEmitAssembly from TargetMachine to UltraSparc because it 
really is sparc specific.


---
Diffs of the changes:

Index: llvm/lib/Target/TargetMachine.cpp
diff -u llvm/lib/Target/TargetMachine.cpp:1.13 llvm/lib/Target/TargetMachine.cpp:1.14
--- llvm/lib/Target/TargetMachine.cpp:1.13	Sun Oct 27 18:28:22 2002
+++ llvm/lib/Target/TargetMachine.cpp	Sun Oct 27 19:03:41 2002
@@ -8,34 +8,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/MachineInstrInfo.h"
 #include "llvm/Target/MachineCacheInfo.h"
-#include "llvm/CodeGen/PreSelection.h"
-#include "llvm/CodeGen/StackSlots.h"
-#include "llvm/CodeGen/InstrSelection.h"
-#include "llvm/CodeGen/InstrScheduling.h"
-#include "llvm/CodeGen/RegisterAllocation.h"
-#include "llvm/CodeGen/PeepholeOpts.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineCodeForInstruction.h"
-#include "llvm/Reoptimizer/Mapping/MappingInfo.h" 
-#include "llvm/Reoptimizer/Mapping/FInfo.h" 
-#include "llvm/Transforms/Scalar.h"
-#include "Support/CommandLine.h"
-#include "llvm/PassManager.h"
 #include "llvm/Function.h"
-#include "llvm/DerivedTypes.h"
-
-//---------------------------------------------------------------------------
-// Command line options to control choice of code generation passes.
-//---------------------------------------------------------------------------
-
-static cl::opt<bool> DisablePreSelect("nopreselect",
-                                      cl::desc("Disable preselection pass"));
-
-static cl::opt<bool> DisableSched("nosched",
-                                  cl::desc("Disable local scheduling pass"));
-
-static cl::opt<bool> DisablePeephole("nopeephole",
-                                     cl::desc("Disable peephole optimization pass"));
 
 //---------------------------------------------------------------------------
 // class TargetMachine
@@ -68,101 +41,6 @@
     default:
       return DataLayout.getTypeSize(ty);
     }
-}
-
-
-//===---------------------------------------------------------------------===//
-// Default code generation passes.
-// 
-// Native code generation for a specified target.
-//===---------------------------------------------------------------------===//
-
-class ConstructMachineCodeForFunction : public FunctionPass {
-  TargetMachine &Target;
-public:
-  inline ConstructMachineCodeForFunction(TargetMachine &T) : Target(T) {}
-
-  const char *getPassName() const {
-    return "ConstructMachineCodeForFunction";
-  }
-
-  bool runOnFunction(Function &F) {
-    MachineFunction::construct(&F, Target);
-    return false;
-  }
-};
-
-struct FreeMachineCodeForFunction : public FunctionPass {
-  const char *getPassName() const { return "FreeMachineCodeForFunction"; }
-
-  static void freeMachineCode(Instruction &I) {
-    MachineCodeForInstruction::destroy(&I);
-  }
-  
-  bool runOnFunction(Function &F) {
-    for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
-      for (BasicBlock::iterator I = FI->begin(), E = FI->end(); I != E; ++I)
-        MachineCodeForInstruction::get(I).dropAllReferences();
-    
-    for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
-      for_each(FI->begin(), FI->end(), freeMachineCode);
-    
-    return false;
-  }
-};
-
-// addPassesToEmitAssembly - This method controls the entire code generation
-// process for the ultra sparc.
-//
-void
-TargetMachine::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out)
-{
-  // Construct and initialize the MachineFunction object for this fn.
-  PM.add(new ConstructMachineCodeForFunction(*this));
-
-  //Insert empty stackslots in the stack frame of each function
-  //so %fp+offset-8 and %fp+offset-16 are empty slots now!
-  PM.add(createStackSlotsPass(*this));
-
-  // Specialize LLVM code for this target machine and then
-  // run basic dataflow optimizations on LLVM code.
-  if (!DisablePreSelect)
-    {
-      PM.add(createPreSelectionPass(*this));
-      /* PM.add(createReassociatePass()); */
-      PM.add(createLICMPass());
-      PM.add(createGCSEPass());
-    }
-
-  PM.add(createInstructionSelectionPass(*this));
-
-  if (!DisableSched)
-    PM.add(createInstructionSchedulingWithSSAPass(*this));
-
-  PM.add(getRegisterAllocator(*this));
-
-  PM.add(getPrologEpilogInsertionPass());
-
-  if (!DisablePeephole)
-    PM.add(createPeepholeOptsPass(*this));
-
-  PM.add(MappingInfoForFunction(Out));  
-
-  // Output assembly language to the .s file.  Assembly emission is split into
-  // two parts: Function output and Global value output.  This is because
-  // function output is pipelined with all of the rest of code generation stuff,
-  // allowing machine code representations for functions to be free'd after the
-  // function has been emitted.
-  //
-  PM.add(getFunctionAsmPrinterPass(Out));
-  PM.add(new FreeMachineCodeForFunction());  // Free stuff no longer needed
-
-  // Emit Module level assembly after all of the functions have been processed.
-  PM.add(getModuleAsmPrinterPass(Out));
-
-  // Emit bytecode to the assembly file into its special section next
-  PM.add(getEmitBytecodeToAsmPass(Out));
-  PM.add(getFunctionInfo(Out)); 
 }
 
 





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