mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-19 03:29:22 +00:00
Use the intrinsic lowering functionality
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10626 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
09c692bcef
commit
f8742b3e03
@ -14,11 +14,14 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "llvm/CodeGen/InstrSelection.h"
|
||||
#include "llvm/Function.h"
|
||||
#include "llvm/Intrinsics.h"
|
||||
#include "llvm/IntrinsicLowering.h"
|
||||
#include "llvm/iPHINode.h"
|
||||
#include "llvm/iOther.h"
|
||||
#include "llvm/Pass.h"
|
||||
#include "llvm/CodeGen/InstrForest.h"
|
||||
#include "llvm/CodeGen/InstrSelection.h"
|
||||
#include "llvm/CodeGen/InstrSelectionSupport.h"
|
||||
#include "llvm/CodeGen/MachineCodeForInstruction.h"
|
||||
#include "llvm/CodeGen/MachineFunction.h"
|
||||
@ -26,13 +29,12 @@
|
||||
#include "llvm/Target/TargetRegInfo.h"
|
||||
#include "Support/CommandLine.h"
|
||||
#include "Support/LeakDetector.h"
|
||||
#include <vector>
|
||||
|
||||
namespace llvm {
|
||||
|
||||
std::vector<MachineInstr*>
|
||||
FixConstantOperandsForInstr(Instruction* vmInstr, MachineInstr* minstr,
|
||||
TargetMachine& target);
|
||||
std::vector<MachineInstr*>
|
||||
FixConstantOperandsForInstr(Instruction *I, MachineInstr *MI,
|
||||
TargetMachine &TM);
|
||||
}
|
||||
|
||||
namespace {
|
||||
//===--------------------------------------------------------------------===//
|
||||
@ -66,6 +68,7 @@ namespace {
|
||||
//
|
||||
class InstructionSelection : public FunctionPass {
|
||||
TargetMachine &Target;
|
||||
IntrinsicLowering &IL;
|
||||
void InsertCodeForPhis(Function &F);
|
||||
void InsertPhiElimInstructions(BasicBlock *BB,
|
||||
const std::vector<MachineInstr*>& CpVec);
|
||||
@ -73,7 +76,8 @@ namespace {
|
||||
void PostprocessMachineCodeForTree(InstructionNode* instrNode,
|
||||
int ruleForNode, short* nts);
|
||||
public:
|
||||
InstructionSelection(TargetMachine &T) : Target(T) {}
|
||||
InstructionSelection(TargetMachine &TM, IntrinsicLowering &il)
|
||||
: Target(TM), IL(il) {}
|
||||
|
||||
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
|
||||
AU.setPreservesCFG();
|
||||
@ -84,7 +88,6 @@ namespace {
|
||||
};
|
||||
}
|
||||
|
||||
namespace llvm {
|
||||
|
||||
TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
|
||||
Value *s1, Value *s2, const std::string &name)
|
||||
@ -118,10 +121,37 @@ TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
|
||||
LeakDetector::removeGarbageObject(this);
|
||||
}
|
||||
|
||||
} // End llvm namespace
|
||||
bool InstructionSelection::runOnFunction(Function &F) {
|
||||
// First pass - Walk the function, lowering any calls to intrinsic functions
|
||||
// which the instruction selector cannot handle.
|
||||
for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
|
||||
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; )
|
||||
if (CallInst *CI = dyn_cast<CallInst>(I++))
|
||||
if (Function *F = CI->getCalledFunction())
|
||||
switch (F->getIntrinsicID()) {
|
||||
#undef va_start
|
||||
#undef va_copy
|
||||
#undef va_end
|
||||
case Intrinsic::va_start:
|
||||
case Intrinsic::va_copy:
|
||||
case Intrinsic::va_end:
|
||||
// We directly implement these intrinsics. Note that this knowledge
|
||||
// is incestuously entangled with the code in
|
||||
// SparcInstrSelection.cpp and must be updated when it is updated.
|
||||
// Since ALL of the code in this library is incestuously intertwined
|
||||
// with it already and sparc specific, we will live with this.
|
||||
break;
|
||||
default:
|
||||
// All other intrinsic calls we must lower.
|
||||
Instruction *Before = CI->getPrev();
|
||||
IL.LowerIntrinsicCall(CI);
|
||||
if (Before) { // Move iterator to instruction after call
|
||||
I = Before; ++I;
|
||||
} else {
|
||||
I = BB->begin();
|
||||
}
|
||||
}
|
||||
|
||||
bool InstructionSelection::runOnFunction(Function &F)
|
||||
{
|
||||
//
|
||||
// Build the instruction trees to be given as inputs to BURG.
|
||||
//
|
||||
@ -384,8 +414,7 @@ InstructionSelection::PostprocessMachineCodeForTree(InstructionNode* instrNode,
|
||||
// createInstructionSelectionPass - Public entrypoint for instruction selection
|
||||
// and this file as a whole...
|
||||
//
|
||||
FunctionPass *createInstructionSelectionPass(TargetMachine &T) {
|
||||
return new InstructionSelection(T);
|
||||
FunctionPass *llvm::createInstructionSelectionPass(TargetMachine &T,
|
||||
IntrinsicLowering &IL) {
|
||||
return new InstructionSelection(T, IL);
|
||||
}
|
||||
|
||||
} // End llvm namespace
|
||||
|
||||
@ -14,11 +14,14 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "llvm/CodeGen/InstrSelection.h"
|
||||
#include "llvm/Function.h"
|
||||
#include "llvm/Intrinsics.h"
|
||||
#include "llvm/IntrinsicLowering.h"
|
||||
#include "llvm/iPHINode.h"
|
||||
#include "llvm/iOther.h"
|
||||
#include "llvm/Pass.h"
|
||||
#include "llvm/CodeGen/InstrForest.h"
|
||||
#include "llvm/CodeGen/InstrSelection.h"
|
||||
#include "llvm/CodeGen/InstrSelectionSupport.h"
|
||||
#include "llvm/CodeGen/MachineCodeForInstruction.h"
|
||||
#include "llvm/CodeGen/MachineFunction.h"
|
||||
@ -26,13 +29,12 @@
|
||||
#include "llvm/Target/TargetRegInfo.h"
|
||||
#include "Support/CommandLine.h"
|
||||
#include "Support/LeakDetector.h"
|
||||
#include <vector>
|
||||
|
||||
namespace llvm {
|
||||
|
||||
std::vector<MachineInstr*>
|
||||
FixConstantOperandsForInstr(Instruction* vmInstr, MachineInstr* minstr,
|
||||
TargetMachine& target);
|
||||
std::vector<MachineInstr*>
|
||||
FixConstantOperandsForInstr(Instruction *I, MachineInstr *MI,
|
||||
TargetMachine &TM);
|
||||
}
|
||||
|
||||
namespace {
|
||||
//===--------------------------------------------------------------------===//
|
||||
@ -66,6 +68,7 @@ namespace {
|
||||
//
|
||||
class InstructionSelection : public FunctionPass {
|
||||
TargetMachine &Target;
|
||||
IntrinsicLowering &IL;
|
||||
void InsertCodeForPhis(Function &F);
|
||||
void InsertPhiElimInstructions(BasicBlock *BB,
|
||||
const std::vector<MachineInstr*>& CpVec);
|
||||
@ -73,7 +76,8 @@ namespace {
|
||||
void PostprocessMachineCodeForTree(InstructionNode* instrNode,
|
||||
int ruleForNode, short* nts);
|
||||
public:
|
||||
InstructionSelection(TargetMachine &T) : Target(T) {}
|
||||
InstructionSelection(TargetMachine &TM, IntrinsicLowering &il)
|
||||
: Target(TM), IL(il) {}
|
||||
|
||||
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
|
||||
AU.setPreservesCFG();
|
||||
@ -84,7 +88,6 @@ namespace {
|
||||
};
|
||||
}
|
||||
|
||||
namespace llvm {
|
||||
|
||||
TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
|
||||
Value *s1, Value *s2, const std::string &name)
|
||||
@ -118,10 +121,37 @@ TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
|
||||
LeakDetector::removeGarbageObject(this);
|
||||
}
|
||||
|
||||
} // End llvm namespace
|
||||
bool InstructionSelection::runOnFunction(Function &F) {
|
||||
// First pass - Walk the function, lowering any calls to intrinsic functions
|
||||
// which the instruction selector cannot handle.
|
||||
for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
|
||||
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; )
|
||||
if (CallInst *CI = dyn_cast<CallInst>(I++))
|
||||
if (Function *F = CI->getCalledFunction())
|
||||
switch (F->getIntrinsicID()) {
|
||||
#undef va_start
|
||||
#undef va_copy
|
||||
#undef va_end
|
||||
case Intrinsic::va_start:
|
||||
case Intrinsic::va_copy:
|
||||
case Intrinsic::va_end:
|
||||
// We directly implement these intrinsics. Note that this knowledge
|
||||
// is incestuously entangled with the code in
|
||||
// SparcInstrSelection.cpp and must be updated when it is updated.
|
||||
// Since ALL of the code in this library is incestuously intertwined
|
||||
// with it already and sparc specific, we will live with this.
|
||||
break;
|
||||
default:
|
||||
// All other intrinsic calls we must lower.
|
||||
Instruction *Before = CI->getPrev();
|
||||
IL.LowerIntrinsicCall(CI);
|
||||
if (Before) { // Move iterator to instruction after call
|
||||
I = Before; ++I;
|
||||
} else {
|
||||
I = BB->begin();
|
||||
}
|
||||
}
|
||||
|
||||
bool InstructionSelection::runOnFunction(Function &F)
|
||||
{
|
||||
//
|
||||
// Build the instruction trees to be given as inputs to BURG.
|
||||
//
|
||||
@ -384,8 +414,7 @@ InstructionSelection::PostprocessMachineCodeForTree(InstructionNode* instrNode,
|
||||
// createInstructionSelectionPass - Public entrypoint for instruction selection
|
||||
// and this file as a whole...
|
||||
//
|
||||
FunctionPass *createInstructionSelectionPass(TargetMachine &T) {
|
||||
return new InstructionSelection(T);
|
||||
FunctionPass *llvm::createInstructionSelectionPass(TargetMachine &T,
|
||||
IntrinsicLowering &IL) {
|
||||
return new InstructionSelection(T, IL);
|
||||
}
|
||||
|
||||
} // End llvm namespace
|
||||
|
||||
Loading…
Reference in New Issue
Block a user