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use ArgOperand API and CallSite for arg range; add necessary casts and perform some cosmetics

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106747 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-06-24 14:42:01 +00:00
parent 4e39e9da0f
commit 9e4f243de7
1 changed files with 14 additions and 11 deletions
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25
lib/Transforms/IPO/GlobalOpt.cpp
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@ -221,13 +221,16 @@ static bool AnalyzeGlobal(const Value *V, GlobalStatus &GS,
if (AnalyzeGlobal(I, GS, PHIUsers)) return true;
GS.HasPHIUser = true;
} else if (isa<CmpInst>(I)) {
// Nothing to analyse.
} else if (isa<MemTransferInst>(I)) {
if (I->getOperand(1) == V)
const MemTransferInst *MTI = cast<MemTransferInst>(I);
if (MTI->getArgOperand(0) == V)
GS.StoredType = GlobalStatus::isStored;
if (I->getOperand(2) == V)
if (MTI->getArgOperand(1) == V)
GS.isLoaded = true;
} else if (isa<MemSetInst>(I)) {
assert(I->getOperand(1) == V && "Memset only takes one pointer!");
assert(cast<MemSetInst>(I)->getArgOperand(0) == V &&
"Memset only takes one pointer!");
GS.StoredType = GlobalStatus::isStored;
} else {
return true; // Any other non-load instruction might take address!
@ -1323,8 +1326,8 @@ 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(1)->getType(), 0);
Value *RunningOr = new ICmpInst(CI, ICmpInst::ICMP_SLT, CI->getOperand(1),
Constant *ConstantZero = ConstantInt::get(CI->getArgOperand(0)->getType(), 0);
Value *RunningOr = new ICmpInst(CI, ICmpInst::ICMP_SLT, CI->getArgOperand(0),
ConstantZero, "isneg");
for (unsigned i = 0, e = FieldMallocs.size(); i != e; ++i) {
Value *Cond = new ICmpInst(CI, ICmpInst::ICMP_EQ, FieldMallocs[i],
@ -1511,10 +1514,10 @@ 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(1)->getType(), 1))
if (NElems == ConstantInt::get(CI->getArgOperand(0)->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 +1644,7 @@ static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
// bool.
Instruction *StoredVal = cast<Instruction>(SI->getOperand(0));
// If we're already replaced the input, StoredVal will be a cast or
// If we've 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)) {
@ -2260,8 +2263,7 @@ static bool EvaluateFunction(Function *F, Constant *&RetVal,
getVal(Values, CI->getOperand(0)),
CI->getType());
} else if (SelectInst *SI = dyn_cast<SelectInst>(CurInst)) {
InstResult =
ConstantExpr::getSelect(getVal(Values, SI->getOperand(0)),
InstResult = ConstantExpr::getSelect(getVal(Values, SI->getOperand(0)),
getVal(Values, SI->getOperand(1)),
getVal(Values, SI->getOperand(2)));
} else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(CurInst)) {
@ -2302,7 +2304,8 @@ static bool EvaluateFunction(Function *F, Constant *&RetVal,
if (!Callee) return false; // Cannot resolve.
SmallVector<Constant*, 8> Formals;
for (User::op_iterator i = CI->op_begin() + 1, e = CI->op_end();
CallSite CS(CI);
for (User::op_iterator i = CS.arg_begin(), e = CS.arg_end();
i != e; ++i)
Formals.push_back(getVal(Values, *i));