back out r101423 and r101397, they break llvm-gcc self-host on darwin10

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-16 01:16:20 +00:00
parent 5f0378251c
commit 607a7ab3da
44 changed files with 586 additions and 577 deletions

View File

@ -222,12 +222,12 @@ static bool AnalyzeGlobal(const Value *V, GlobalStatus &GS,
GS.HasPHIUser = true;
} else if (isa<CmpInst>(I)) {
} else if (isa<MemTransferInst>(I)) {
if (I->getOperand(0) == V)
GS.StoredType = GlobalStatus::isStored;
if (I->getOperand(1) == V)
GS.StoredType = GlobalStatus::isStored;
if (I->getOperand(2) == V)
GS.isLoaded = true;
} else if (isa<MemSetInst>(I)) {
assert(I->getOperand(0) == V && "Memset only takes one pointer!");
assert(I->getOperand(1) == V && "Memset only takes one pointer!");
GS.StoredType = GlobalStatus::isStored;
} else {
return true; // Any other non-load instruction might take address!
@ -1323,8 +1323,8 @@ static GlobalVariable *PerformHeapAllocSRoA(GlobalVariable *GV, CallInst *CI,
// if (F2) { free(F2); F2 = 0; }
// }
// The malloc can also fail if its argument is too large.
Constant *ConstantZero = ConstantInt::get(CI->getOperand(0)->getType(), 0);
Value *RunningOr = new ICmpInst(CI, ICmpInst::ICMP_SLT, CI->getOperand(0),
Constant *ConstantZero = ConstantInt::get(CI->getOperand(1)->getType(), 0);
Value *RunningOr = new ICmpInst(CI, ICmpInst::ICMP_SLT, CI->getOperand(1),
ConstantZero, "isneg");
for (unsigned i = 0, e = FieldMallocs.size(); i != e; ++i) {
Value *Cond = new ICmpInst(CI, ICmpInst::ICMP_EQ, FieldMallocs[i],
@ -1511,10 +1511,10 @@ static bool TryToOptimizeStoreOfMallocToGlobal(GlobalVariable *GV,
// If this is an allocation of a fixed size array of structs, analyze as a
// variable size array. malloc [100 x struct],1 -> malloc struct, 100
if (NElems == ConstantInt::get(CI->getOperand(0)->getType(), 1))
if (NElems == ConstantInt::get(CI->getOperand(1)->getType(), 1))
if (const ArrayType *AT = dyn_cast<ArrayType>(AllocTy))
AllocTy = AT->getElementType();
const StructType *AllocSTy = dyn_cast<StructType>(AllocTy);
if (!AllocSTy)
return false;
@ -1641,7 +1641,7 @@ static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
// bool.
Instruction *StoredVal = cast<Instruction>(SI->getOperand(0));
// If we've already replaced the input, StoredVal will be a cast or
// If we're already replaced the input, StoredVal will be a cast or
// select instruction. If not, it will be a load of the original
// global.
if (LoadInst *LI = dyn_cast<LoadInst>(StoredVal)) {
@ -2262,8 +2262,8 @@ static bool EvaluateFunction(Function *F, Constant *&RetVal,
} else if (SelectInst *SI = dyn_cast<SelectInst>(CurInst)) {
InstResult =
ConstantExpr::getSelect(getVal(Values, SI->getOperand(0)),
getVal(Values, SI->getOperand(1)),
getVal(Values, SI->getOperand(2)));
getVal(Values, SI->getOperand(1)),
getVal(Values, SI->getOperand(2)));
} else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(CurInst)) {
Constant *P = getVal(Values, GEP->getOperand(0));
SmallVector<Constant*, 8> GEPOps;
@ -2295,14 +2295,14 @@ static bool EvaluateFunction(Function *F, Constant *&RetVal,
}
// Cannot handle inline asm.
if (isa<InlineAsm>(CI->getCalledValue())) return false;
if (isa<InlineAsm>(CI->getOperand(0))) return false;
// Resolve function pointers.
Function *Callee = dyn_cast<Function>(getVal(Values, CI->getCalledValue()));
Function *Callee = dyn_cast<Function>(getVal(Values, CI->getOperand(0)));
if (!Callee) return false; // Cannot resolve.
SmallVector<Constant*, 8> Formals;
for (User::op_iterator i = CI->op_begin(), e = CI->op_end() - 1;
for (User::op_iterator i = CI->op_begin() + 1, e = CI->op_end();
i != e; ++i)
Formals.push_back(getVal(Values, *i));