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Temporarily reverting the patch. It's breaking llvm-gcc build.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34423 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-02-19 19:23:41 +00:00
parent c552ff2825
commit e02e5e465b
2 changed files with 34 additions and 15 deletions
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14
include/llvm/Constants.h
View File

@ -550,6 +550,10 @@ public:
///
static Constant *getSizeOf(const Type *Ty);
/// getPtrPtrFromArrayPtr constant expr - given a pointer to a constant array,
/// return a pointer to a pointer of the array element type.
static Constant *getPtrPtrFromArrayPtr(Constant *C);
/// ConstantExpr::get - Return a binary or shift operator constant expression,
/// folding if possible.
///
@ -589,6 +593,16 @@ public:
static Constant *getGetElementPtr(Constant *C,
Value* const *IdxList, unsigned NumIdx);
// FIXME: Remove these.
static Constant *getGetElementPtr(Constant *C,
const std::vector<Constant*> &IdxList) {
return getGetElementPtr(C, &IdxList[0], IdxList.size());
}
static Constant *getGetElementPtr(Constant *C,
const std::vector<Value*> &IdxList) {
return getGetElementPtr(C, &IdxList[0], IdxList.size());
}
static Constant *getExtractElement(Constant *Vec, Constant *Idx);
static Constant *getInsertElement(Constant *Vec, Constant *Elt,Constant *Idx);
static Constant *getShuffleVector(Constant *V1, Constant *V2, Constant *Mask);

35
lib/VMCore/Constants.cpp
View File

@ -22,7 +22,6 @@
#include "llvm/Support/Debug.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/ADT/SmallVector.h"
#include <algorithm>
#include <map>
using namespace llvm;
@ -483,14 +482,13 @@ ConstantExpr::getWithOperandReplaced(unsigned OpNo, Constant *Op) const {
Op2 = (OpNo == 2) ? Op : getOperand(2);
return ConstantExpr::getShuffleVector(Op0, Op1, Op2);
case Instruction::GetElementPtr: {
SmallVector<Constant*, 8> Ops;
Ops.resize(getNumOperands());
std::vector<Constant*> Ops;
for (unsigned i = 1, e = getNumOperands(); i != e; ++i)
Ops[i] = getOperand(i);
Ops.push_back(getOperand(i));
if (OpNo == 0)
return ConstantExpr::getGetElementPtr(Op, &Ops[0], Ops.size());
return ConstantExpr::getGetElementPtr(Op, Ops);
Ops[OpNo-1] = Op;
return ConstantExpr::getGetElementPtr(getOperand(0), &Ops[0], Ops.size());
return ConstantExpr::getGetElementPtr(getOperand(0), Ops);
}
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
@ -537,8 +535,10 @@ getWithOperands(const std::vector<Constant*> &Ops) const {
return ConstantExpr::getExtractElement(Ops[0], Ops[1]);
case Instruction::ShuffleVector:
return ConstantExpr::getShuffleVector(Ops[0], Ops[1], Ops[2]);
case Instruction::GetElementPtr:
return ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], Ops.size()-1);
case Instruction::GetElementPtr: {
std::vector<Constant*> ActualOps(Ops.begin()+1, Ops.end());
return ConstantExpr::getGetElementPtr(Ops[0], ActualOps);
}
case Instruction::ICmp:
case Instruction::FCmp:
return ConstantExpr::getCompare(getPredicate(), Ops[0], Ops[1]);
@ -1578,10 +1578,16 @@ Constant *ConstantExpr::getBitCast(Constant *C, const Type *DstTy) {
Constant *ConstantExpr::getSizeOf(const Type *Ty) {
// sizeof is implemented as: (ulong) gep (Ty*)null, 1
Constant *GEPIdx = ConstantInt::get(Type::Int32Ty, 1);
Constant *GEP =
getGetElementPtr(getNullValue(PointerType::get(Ty)), &GEPIdx, 1);
return getCast(Instruction::PtrToInt, GEP, Type::Int64Ty);
return getCast(Instruction::PtrToInt, getGetElementPtr(getNullValue(
PointerType::get(Ty)), std::vector<Constant*>(1,
ConstantInt::get(Type::Int32Ty, 1))), Type::Int64Ty);
}
Constant *ConstantExpr::getPtrPtrFromArrayPtr(Constant *C) {
// pointer from array is implemented as: getelementptr arr ptr, 0, 0
static std::vector<Constant*> Indices(2, ConstantInt::get(Type::Int32Ty, 0));
return ConstantExpr::getGetElementPtr(C, Indices);
}
Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode,
@ -2023,7 +2029,7 @@ void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *ToV,
Constant *Replacement = 0;
if (getOpcode() == Instruction::GetElementPtr) {
SmallVector<Constant*, 8> Indices;
std::vector<Constant*> Indices;
Constant *Pointer = getOperand(0);
Indices.reserve(getNumOperands()-1);
if (Pointer == From) Pointer = To;
@ -2033,8 +2039,7 @@ void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *ToV,
if (Val == From) Val = To;
Indices.push_back(Val);
}
Replacement = ConstantExpr::getGetElementPtr(Pointer,
&Indices[0], Indices.size());
Replacement = ConstantExpr::getGetElementPtr(Pointer, Indices);
} else if (isCast()) {
assert(getOperand(0) == From && "Cast only has one use!");
Replacement = ConstantExpr::getCast(getOpcode(), To, getType());