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llvm-gcc issue fixed, revert reversal :)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34425 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-02-19 20:01:23 +00:00
parent da304d0750
commit f9021ff740
2 changed files with 15 additions and 34 deletions
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35
lib/VMCore/Constants.cpp
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@@ -22,6 +22,7 @@
#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;
@@ -482,13 +483,14 @@ ConstantExpr::getWithOperandReplaced(unsigned OpNo, Constant *Op) const {
Op2 = (OpNo == 2) ? Op : getOperand(2);
return ConstantExpr::getShuffleVector(Op0, Op1, Op2);
case Instruction::GetElementPtr: {
std::vector<Constant*> Ops;
SmallVector<Constant*, 8> Ops;
Ops.resize(getNumOperands());
for (unsigned i = 1, e = getNumOperands(); i != e; ++i)
Ops.push_back(getOperand(i));
Ops[i] = getOperand(i);
if (OpNo == 0)
return ConstantExpr::getGetElementPtr(Op, Ops);
return ConstantExpr::getGetElementPtr(Op, &Ops[0], Ops.size());
Ops[OpNo-1] = Op;
return ConstantExpr::getGetElementPtr(getOperand(0), Ops);
return ConstantExpr::getGetElementPtr(getOperand(0), &Ops[0], Ops.size());
}
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
@@ -535,10 +537,8 @@ 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: {
std::vector<Constant*> ActualOps(Ops.begin()+1, Ops.end());
return ConstantExpr::getGetElementPtr(Ops[0], ActualOps);
}
case Instruction::GetElementPtr:
return ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], Ops.size()-1);
case Instruction::ICmp:
case Instruction::FCmp:
return ConstantExpr::getCompare(getPredicate(), Ops[0], Ops[1]);
@@ -1578,16 +1578,10 @@ Constant *ConstantExpr::getBitCast(Constant *C, const Type *DstTy) {
Constant *ConstantExpr::getSizeOf(const Type *Ty) {
// sizeof is implemented as: (ulong) gep (Ty*)null, 1
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 *GEPIdx = ConstantInt::get(Type::Int32Ty, 1);
Constant *GEP =
getGetElementPtr(getNullValue(PointerType::get(Ty)), &GEPIdx, 1);
return getCast(Instruction::PtrToInt, GEP, Type::Int64Ty);
}
Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode,
@@ -2029,7 +2023,7 @@ void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *ToV,
Constant *Replacement = 0;
if (getOpcode() == Instruction::GetElementPtr) {
std::vector<Constant*> Indices;
SmallVector<Constant*, 8> Indices;
Constant *Pointer = getOperand(0);
Indices.reserve(getNumOperands()-1);
if (Pointer == From) Pointer = To;
@@ -2039,7 +2033,8 @@ void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *ToV,
if (Val == From) Val = To;
Indices.push_back(Val);
}
Replacement = ConstantExpr::getGetElementPtr(Pointer, Indices);
Replacement = ConstantExpr::getGetElementPtr(Pointer,
&Indices[0], Indices.size());
} else if (isCast()) {
assert(getOperand(0) == From && "Cast only has one use!");
Replacement = ConstantExpr::getCast(getOpcode(), To, getType());