#include "SparcInternals.h"
#include "llvm/Target/Sparc.h"
-#include "llvm/CodeGen/InstrScheduling.h"
-#include "llvm/CodeGen/InstrSelection.h"
-#include "llvm/CodeGen/MachineCodeForInstruction.h"
-#include "llvm/CodeGen/MachineCodeForMethod.h"
-#include "llvm/CodeGen/RegisterAllocation.h"
-//#include "llvm/CodeGen/MappingInfo.h"
#include "llvm/Function.h"
#include "llvm/BasicBlock.h"
-#include "llvm/PassManager.h"
+#include "llvm/CodeGen/MachineCodeForMethod.h"
#include <iostream>
using std::cerr;
// dynamic-size alloca.
pos = false;
unsigned int optArgsSize = mcInfo.getMaxOptionalArgsSize();
+ if (int extra = optArgsSize % getStackFrameSizeAlignment())
+ optArgsSize += (getStackFrameSizeAlignment() - extra);
int offset = optArgsSize + FirstOptionalOutgoingArgOffsetFromSP;
assert((offset - OFFSET) % getStackFrameSizeAlignment() == 0);
return offset;
schedInfo(*this),
regInfo(*this),
frameInfo(*this),
- cacheInfo(*this)
+ cacheInfo(*this),
+ optInfo(*this)
{
optSizeForSubWordData = 4;
minMemOpWordSize = 8;
maxAtomicMemOpWordSize = 8;
}
-
-
-//===---------------------------------------------------------------------===//
-// GenerateCodeForTarget Pass
-//
-// 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 "Sparc ConstructMachineCodeForFunction";
- }
-
- bool runOnFunction(Function &F) {
- MachineCodeForMethod::construct(&F, Target);
- return false;
- }
-};
-
-class InstructionSelection : public FunctionPass {
- TargetMachine &Target;
-public:
- inline InstructionSelection(TargetMachine &T) : Target(T) {}
- const char *getPassName() const { return "Sparc Instruction Selection"; }
-
- bool runOnFunction(Function &F) {
- if (SelectInstructionsForMethod(&F, Target)) {
- cerr << "Instr selection failed for function " << F.getName() << "\n";
- abort();
- }
- return false;
- }
-};
-
-
-struct FreeMachineCodeForFunction : public FunctionPass {
- const char *getPassName() const { return "Sparc 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 UltraSparc::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out) {
- // Construct and initialize the MachineCodeForMethod object for this fn.
- PM.add(new ConstructMachineCodeForFunction(*this));
-
- PM.add(new InstructionSelection(*this));
-
- PM.add(createInstructionSchedulingWithSSAPass(*this));
-
- PM.add(getRegisterAllocator(*this));
-
- //PM.add(new OptimizeLeafProcedures());
- //PM.add(new DeleteFallThroughBranches());
- //PM.add(new RemoveChainedBranches()); // should be folded with previous
- //PM.add(new RemoveRedundantOps()); // operations with %g0, NOP, etc.
-
- PM.add(createPrologEpilogCodeInserter(*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(PM, 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(PM, Out));
-
- // Emit bytecode to the sparc assembly file into its special section next
- PM.add(getEmitBytecodeToAsmPass(Out));
-}
-