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Simplify handling of llvm.dbg intrinsic operands to one spot.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26987 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2006-03-23 18:05:12 +00:00
parent c14897e673
commit 4556ce5d11
2 changed files with 133 additions and 11 deletions
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87
include/llvm/IntrinsicInst.h
View File

@ -66,16 +66,15 @@ namespace llvm {
///
struct DbgInfoIntrinsic : public IntrinsicInst {
Value *getChain() const { return const_cast<Value*>(getOperand(1)); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const DbgInfoIntrinsic *) { return true; }
static inline bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::dbg_stoppoint:
case Intrinsic::dbg_func_start:
case Intrinsic::dbg_region_start:
case Intrinsic::dbg_region_end:
case Intrinsic::dbg_func_start:
case Intrinsic::dbg_declare:
return true;
default: return false;
}
@ -83,21 +82,28 @@ namespace llvm {
static inline bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
static Value *StripCast(Value *C);
};
/// DbgStopPointInst - This represent llvm.dbg.stoppoint instructions.
/// DbgStopPointInst - This represents the llvm.dbg.stoppoint instruction.
///
struct DbgStopPointInst : public DbgInfoIntrinsic {
Value *getLineValue() const { return const_cast<Value*>(getOperand(1)); }
Value *getColumnValue() const { return const_cast<Value*>(getOperand(2)); }
Value *getContext() const {
return StripCast(getOperand(3));
}
unsigned getLineNo() const {
unsigned getLine() const {
return unsigned(cast<ConstantInt>(getOperand(1))->getRawValue());
}
unsigned getColumn() const {
return unsigned(cast<ConstantInt>(getOperand(2))->getRawValue());
}
unsigned getColNo() const {
return unsigned(cast<ConstantInt>(getOperand(3))->getRawValue());
}
Value *getContext() const { return const_cast<Value*>(getOperand(4)); }
std::string getFileName() const;
std::string getDirectory() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const DbgStopPointInst *) { return true; }
@ -109,6 +115,67 @@ namespace llvm {
}
};
/// DbgFuncStartInst - This represents the llvm.dbg.func.start instruction.
///
struct DbgFuncStartInst : public DbgInfoIntrinsic {
Value *getSubprogram() const { return StripCast(getOperand(1)); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const DbgFuncStartInst *) { return true; }
static inline bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_func_start;
}
static inline bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// DbgRegionStartInst - This represents the llvm.dbg.region.start
/// instruction.
struct DbgRegionStartInst : public DbgInfoIntrinsic {
Value *getContext() const { return StripCast(getOperand(1)); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const DbgRegionStartInst *) { return true; }
static inline bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_region_start;
}
static inline bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// DbgRegionEndInst - This represents the llvm.dbg.region.end instruction.
///
struct DbgRegionEndInst : public DbgInfoIntrinsic {
Value *getContext() const { return StripCast(getOperand(1)); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const DbgRegionEndInst *) { return true; }
static inline bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_region_end;
}
static inline bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// DbgDeclareInst - This represents the llvm.dbg.declare instruction.
///
struct DbgDeclareInst : public DbgInfoIntrinsic {
Value *getAllocA() const { return StripCast(getOperand(1)); }
Value *getVariable() const { return StripCast(getOperand(2)); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const DbgDeclareInst *) { return true; }
static inline bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_declare;
}
static inline bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// MemIntrinsic - This is the common base class for memset/memcpy/memmove.
///
struct MemIntrinsic : public IntrinsicInst {

55
lib/VMCore/IntrinsicInst.cpp Normal file
View File

@ -0,0 +1,55 @@
//===-- InstrinsicInst.cpp - Intrinsic Instruction Wrappers -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/IntrinsicInst.h"
#include "llvm/Constants.h"
#include "llvm/GlobalVariable.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
/// DbgInfoIntrinsic - This is the common base class for debug info intrinsics
///
static Value *CastOperand(Value *C) {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
if (CE->getOpcode() == Instruction::Cast)
return CE->getOperand(0);
return NULL;
}
Value *DbgInfoIntrinsic::StripCast(Value *C) {
if (Value *CO = CastOperand(C)) {
return StripCast(CO);
} else if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) {
if (GV->hasInitializer())
if (Value *CO = CastOperand(GV->getInitializer()))
return StripCast(CO);
}
return C;
}
//===----------------------------------------------------------------------===//
/// DbgStopPointInst - This represents the llvm.dbg.stoppoint instruction.
///
std::string DbgStopPointInst::getFileName() const {
GlobalVariable *GV = cast<GlobalVariable>(getContext());
ConstantStruct *CS = cast<ConstantStruct>(GV->getInitializer());
return CS->getOperand(4)->getStringValue();
}
std::string DbgStopPointInst::getDirectory() const {
GlobalVariable *GV = cast<GlobalVariable>(getContext());
ConstantStruct *CS = cast<ConstantStruct>(GV->getInitializer());
return CS->getOperand(5)->getStringValue();
}
//===----------------------------------------------------------------------===//