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llvm-mc: Switch MCInst to storing an MCExpr* instead of an MCValue.

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Also, use MCInst::print instead of custom code in MCAsmPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80575 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2009-08-31 08:08:38 +00:00
parent c18274ba9c
commit 8c2eebe407
10 changed files with 116 additions and 86 deletions
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30
include/llvm/MC/MCInst.h
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@ -16,13 +16,13 @@
#ifndef LLVM_MC_MCINST_H
#define LLVM_MC_MCINST_H
#include "llvm/MC/MCValue.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/DebugLoc.h"
namespace llvm {
class raw_ostream;
class MCExpr;
/// MCOperand - Instances of this class represent operands of the MCInst class.
/// This is a simple discriminated union.
@ -32,14 +32,14 @@ class MCOperand {
kRegister, ///< Register operand.
kImmediate, ///< Immediate operand.
kMBBLabel, ///< Basic block label.
kMCValue ///< Relocatable immediate operand.
kExpr ///< Relocatable immediate operand.
};
unsigned char Kind;
union {
unsigned RegVal;
int64_t ImmVal;
MCValue MCValueVal;
const MCExpr *ExprVal;
struct {
unsigned FunctionNo;
unsigned BlockNo;
@ -54,7 +54,7 @@ public:
bool isReg() const { return Kind == kRegister; }
bool isImm() const { return Kind == kImmediate; }
bool isMBBLabel() const { return Kind == kMBBLabel; }
bool isMCValue() const { return Kind == kMCValue; }
bool isExpr() const { return Kind == kExpr; }
/// getReg - Returns the register number.
unsigned getReg() const {
@ -78,21 +78,21 @@ public:
}
unsigned getMBBLabelFunction() const {
assert(isMBBLabel() && "Wrong accessor");
assert(isMBBLabel() && "This is not a machine basic block");
return MBBLabel.FunctionNo;
}
unsigned getMBBLabelBlock() const {
assert(isMBBLabel() && "Wrong accessor");
assert(isMBBLabel() && "This is not a machine basic block");
return MBBLabel.BlockNo;
}
const MCValue &getMCValue() const {
assert(isMCValue() && "This is not an MCValue");
return MCValueVal;
const MCExpr *getExpr() const {
assert(isExpr() && "This is not an expression");
return ExprVal;
}
void setMCValue(const MCValue &Val) {
assert(isMCValue() && "This is not an MCValue");
MCValueVal = Val;
void setExpr(const MCExpr *Val) {
assert(isExpr() && "This is not an expression");
ExprVal = Val;
}
static MCOperand CreateReg(unsigned Reg) {
@ -114,10 +114,10 @@ public:
Op.MBBLabel.BlockNo = MBB;
return Op;
}
static MCOperand CreateMCValue(const MCValue &Val) {
static MCOperand CreateExpr(const MCExpr *Val) {
MCOperand Op;
Op.Kind = kMCValue;
Op.MCValueVal = Val;
Op.Kind = kExpr;
Op.ExprVal = Val;
return Op;
}