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Remove extraneous #includes, perform FIXME 

llvm-svn: 5043
This commit is contained in:
Chris Lattner 2002-12-15 18:15:24 +00:00
parent 1ace1747d7
commit 1af3af463a
1 changed files with 6 additions and 10 deletions
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16
llvm/lib/CodeGen/RegAllocSimple.cpp
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@ -9,16 +9,13 @@
#include "llvm/Type.h"
#include "llvm/Constants.h"
#include "llvm/Pass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/Target/MachineInstrInfo.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/MachineRegInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/InstVisitor.h"
#include "Support/Statistic.h"
#include <map>
namespace {
struct RegAllocSimple : public FunctionPass {
@ -30,8 +27,7 @@ namespace {
unsigned NumBytesAllocated, ByteAlignment;
// Maps SSA Regs => offsets on the stack where these values are stored
// FIXME: change name to VirtReg2OffsetMap
std::map<unsigned, unsigned> RegMap;
std::map<unsigned, unsigned> VirtReg2OffsetMap;
// Maps SSA Regs => physical regs
std::map<unsigned, unsigned> SSA2PhysRegMap;
@ -95,7 +91,7 @@ namespace {
}
void cleanupAfterFunction() {
RegMap.clear();
VirtReg2OffsetMap.clear();
SSA2PhysRegMap.clear();
NumBytesAllocated = ByteAlignment;
}
@ -131,7 +127,7 @@ namespace {
unsigned RegAllocSimple::allocateStackSpaceFor(unsigned VirtReg,
const TargetRegisterClass *regClass)
{
if (RegMap.find(VirtReg) == RegMap.end()) {
if (VirtReg2OffsetMap.find(VirtReg) == VirtReg2OffsetMap.end()) {
#if 0
unsigned size = regClass->getDataSize();
unsigned over = NumBytesAllocated - (NumBytesAllocated % ByteAlignment);
@ -139,14 +135,14 @@ unsigned RegAllocSimple::allocateStackSpaceFor(unsigned VirtReg,
// need to pad by (ByteAlignment - over)
NumBytesAllocated += ByteAlignment - over;
}
RegMap[VirtReg] = NumBytesAllocated;
VirtReg2OffsetMap[VirtReg] = NumBytesAllocated;
NumBytesAllocated += size;
#endif
// FIXME: forcing each arg to take 4 bytes on the stack
RegMap[VirtReg] = NumBytesAllocated;
VirtReg2OffsetMap[VirtReg] = NumBytesAllocated;
NumBytesAllocated += ByteAlignment;
}
return RegMap[VirtReg];
return VirtReg2OffsetMap[VirtReg];
}
unsigned RegAllocSimple::getFreeReg(unsigned virtualReg) {