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Change interface so that we can add to the end of a basic block

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without getting an assertion from ilist that we are dereferencing
ilist<T>::end().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11345 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos 2004-02-12 08:11:04 +00:00
parent 0eda78a372
commit 024126ee23
3 changed files with 16 additions and 16 deletions
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12
include/llvm/Target/MRegisterInfo.h
View File

@ -17,11 +17,11 @@
#define LLVM_TARGET_MREGISTERINFO_H #define LLVM_TARGET_MREGISTERINFO_H
#include <cassert> #include <cassert>
#include "llvm/CodeGen/MachineBasicBlock.h"
namespace llvm { namespace llvm {
class Type; class Type;
class MachineBasicBlock;
class MachineFunction; class MachineFunction;
class MachineInstr; class MachineInstr;
@ -227,17 +227,17 @@ public:
// //
virtual int storeRegToStackSlot(MachineBasicBlock &MBB, virtual int storeRegToStackSlot(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned SrcReg, int FrameIndex, unsigned SrcReg, int FrameIndex,
const TargetRegisterClass *RC) const = 0; const TargetRegisterClass *RC) const = 0;
virtual int loadRegFromStackSlot(MachineBasicBlock &MBB, virtual int loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIndex, unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const = 0; const TargetRegisterClass *RC) const = 0;
virtual int copyRegToReg(MachineBasicBlock &MBB, virtual int copyRegToReg(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SrcReg, unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const = 0; const TargetRegisterClass *RC) const = 0;
@ -262,7 +262,7 @@ public:
/// ///
virtual int eliminateCallFramePseudoInstr(MachineFunction &MF, virtual int eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB, MachineBasicBlock &MBB,
MachineInstr* MI) const { MachineBasicBlock::iterator MI) const {
assert(getCallFrameSetupOpcode()== -1 && getCallFrameDestroyOpcode()== -1 && assert(getCallFrameSetupOpcode()== -1 && getCallFrameDestroyOpcode()== -1 &&
"eliminateCallFramePseudoInstr must be implemented if using" "eliminateCallFramePseudoInstr must be implemented if using"
" call frame setup/destroy pseudo instructions!"); " call frame setup/destroy pseudo instructions!");
@ -290,7 +290,7 @@ public:
/// added to (negative if removed from) the basic block. /// added to (negative if removed from) the basic block.
/// ///
virtual int eliminateFrameIndex(MachineFunction &MF, virtual int eliminateFrameIndex(MachineFunction &MF,
MachineInstr* MI) const = 0; MachineBasicBlock::iterator MI) const = 0;
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function. The return value is the number of instructions /// the function. The return value is the number of instructions

10
lib/Target/X86/X86RegisterInfo.cpp
View File

@ -47,7 +47,7 @@ static unsigned getIdx(const TargetRegisterClass *RC) {
} }
int X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB, int X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned SrcReg, int FrameIdx, unsigned SrcReg, int FrameIdx,
const TargetRegisterClass *RC) const { const TargetRegisterClass *RC) const {
static const unsigned Opcode[] = static const unsigned Opcode[] =
@ -59,7 +59,7 @@ int X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
} }
int X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB, int X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIdx, unsigned DestReg, int FrameIdx,
const TargetRegisterClass *RC) const{ const TargetRegisterClass *RC) const{
static const unsigned Opcode[] = static const unsigned Opcode[] =
@ -70,7 +70,7 @@ int X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
} }
int X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB, int X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SrcReg, unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const { const TargetRegisterClass *RC) const {
static const unsigned Opcode[] = static const unsigned Opcode[] =
@ -93,7 +93,7 @@ static bool hasFP(MachineFunction &MF) {
int X86RegisterInfo::eliminateCallFramePseudoInstr(MachineFunction &MF, int X86RegisterInfo::eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB, MachineBasicBlock &MBB,
MachineInstr* I) const { MachineBasicBlock::iterator I) const {
MachineInstr *New = 0, *Old = I; MachineInstr *New = 0, *Old = I;
if (hasFP(MF)) { if (hasFP(MF)) {
// If we have a frame pointer, turn the adjcallstackup instruction into a // If we have a frame pointer, turn the adjcallstackup instruction into a
@ -127,7 +127,7 @@ int X86RegisterInfo::eliminateCallFramePseudoInstr(MachineFunction &MF,
} }
int X86RegisterInfo::eliminateFrameIndex(MachineFunction &MF, int X86RegisterInfo::eliminateFrameIndex(MachineFunction &MF,
MachineInstr* II) const { MachineBasicBlock::iterator II) const {
unsigned i = 0; unsigned i = 0;
MachineInstr &MI = *II; MachineInstr &MI = *II;
while (!MI.getOperand(i).isFrameIndex()) { while (!MI.getOperand(i).isFrameIndex()) {

10
lib/Target/X86/X86RegisterInfo.h
View File

@ -28,26 +28,26 @@ struct X86RegisterInfo : public X86GenRegisterInfo {
/// Code Generation virtual methods... /// Code Generation virtual methods...
int storeRegToStackSlot(MachineBasicBlock &MBB, int storeRegToStackSlot(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned SrcReg, int FrameIndex, unsigned SrcReg, int FrameIndex,
const TargetRegisterClass *RC) const; const TargetRegisterClass *RC) const;
int loadRegFromStackSlot(MachineBasicBlock &MBB, int loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIndex, unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const; const TargetRegisterClass *RC) const;
int copyRegToReg(MachineBasicBlock &MBB, int copyRegToReg(MachineBasicBlock &MBB,
MachineInstr* MI, MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SrcReg, unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const; const TargetRegisterClass *RC) const;
int eliminateCallFramePseudoInstr(MachineFunction &MF, int eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB, MachineBasicBlock &MBB,
MachineInstr* MI) const; MachineBasicBlock::iterator MI) const;
int eliminateFrameIndex(MachineFunction &MF, int eliminateFrameIndex(MachineFunction &MF,
MachineInstr* MI) const; MachineBasicBlock::iterator MI) const;
int processFunctionBeforeFrameFinalized(MachineFunction &MF) const; int processFunctionBeforeFrameFinalized(MachineFunction &MF) const;