[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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