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Change interface so that we can add to the end of a basic block
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
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@ -17,11 +17,11 @@
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#define LLVM_TARGET_MREGISTERINFO_H
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#include <cassert>
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#include "llvm/CodeGen/MachineBasicBlock.h"
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namespace llvm {
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class Type;
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class MachineBasicBlock;
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class MachineFunction;
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class MachineInstr;
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@ -227,17 +227,17 @@ public:
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//
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virtual int storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned SrcReg, int FrameIndex,
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const TargetRegisterClass *RC) const = 0;
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virtual int loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, int FrameIndex,
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const TargetRegisterClass *RC) const = 0;
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virtual int copyRegToReg(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const = 0;
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@ -262,7 +262,7 @@ public:
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///
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virtual int eliminateCallFramePseudoInstr(MachineFunction &MF,
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MachineBasicBlock &MBB,
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MachineInstr* MI) const {
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MachineBasicBlock::iterator MI) const {
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assert(getCallFrameSetupOpcode()== -1 && getCallFrameDestroyOpcode()== -1 &&
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"eliminateCallFramePseudoInstr must be implemented if using"
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" call frame setup/destroy pseudo instructions!");
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@ -290,7 +290,7 @@ public:
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/// added to (negative if removed from) the basic block.
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///
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virtual int eliminateFrameIndex(MachineFunction &MF,
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MachineInstr* MI) const = 0;
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MachineBasicBlock::iterator MI) const = 0;
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/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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/// the function. The return value is the number of instructions
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@ -47,7 +47,7 @@ static unsigned getIdx(const TargetRegisterClass *RC) {
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}
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int X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned SrcReg, int FrameIdx,
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const TargetRegisterClass *RC) const {
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static const unsigned Opcode[] =
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@ -59,7 +59,7 @@ int X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
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}
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int X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, int FrameIdx,
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const TargetRegisterClass *RC) const{
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static const unsigned Opcode[] =
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@ -70,7 +70,7 @@ int X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
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}
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int X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const {
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static const unsigned Opcode[] =
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@ -93,7 +93,7 @@ static bool hasFP(MachineFunction &MF) {
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int X86RegisterInfo::eliminateCallFramePseudoInstr(MachineFunction &MF,
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MachineBasicBlock &MBB,
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MachineInstr* I) const {
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MachineBasicBlock::iterator I) const {
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MachineInstr *New = 0, *Old = I;
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if (hasFP(MF)) {
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// If we have a frame pointer, turn the adjcallstackup instruction into a
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@ -127,7 +127,7 @@ int X86RegisterInfo::eliminateCallFramePseudoInstr(MachineFunction &MF,
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}
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int X86RegisterInfo::eliminateFrameIndex(MachineFunction &MF,
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MachineInstr* II) const {
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MachineBasicBlock::iterator II) const {
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unsigned i = 0;
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MachineInstr &MI = *II;
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while (!MI.getOperand(i).isFrameIndex()) {
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@ -28,26 +28,26 @@ struct X86RegisterInfo : public X86GenRegisterInfo {
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/// Code Generation virtual methods...
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int storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned SrcReg, int FrameIndex,
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const TargetRegisterClass *RC) const;
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int loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, int FrameIndex,
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const TargetRegisterClass *RC) const;
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int copyRegToReg(MachineBasicBlock &MBB,
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MachineInstr* MI,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const;
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int eliminateCallFramePseudoInstr(MachineFunction &MF,
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MachineBasicBlock &MBB,
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MachineInstr* MI) const;
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MachineBasicBlock::iterator MI) const;
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int eliminateFrameIndex(MachineFunction &MF,
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MachineInstr* MI) const;
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MachineBasicBlock::iterator MI) const;
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int processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
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