forked from OSchip/llvm-project
parent
1d389c4b02
commit
1abbde3103
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@ -94,7 +94,7 @@ static bool isObjectSmallerThan(const Value *V, unsigned Size,
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} else if (const CallInst* CI = extractMallocCall(V)) {
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if (!isArrayMalloc(V, &TD))
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// The size is the argument to the malloc call.
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if (const ConstantInt* C = dyn_cast<ConstantInt>(CI->getOperand(1)))
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if (const ConstantInt* C = dyn_cast<ConstantInt>(CI->getArgOperand(0)))
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return (C->getZExtValue() < Size);
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return false;
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} else if (const Argument *A = dyn_cast<Argument>(V)) {
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@ -318,10 +318,10 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
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case Intrinsic::memcpy:
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case Intrinsic::memmove: {
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unsigned Len = ~0U;
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if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getOperand(3)))
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if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getArgOperand(2)))
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Len = LenCI->getZExtValue();
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Value *Dest = II->getOperand(1);
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Value *Src = II->getOperand(2);
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Value *Dest = II->getArgOperand(0);
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Value *Src = II->getArgOperand(1);
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if (isNoAlias(Dest, Len, P, Size)) {
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if (isNoAlias(Src, Len, P, Size))
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return NoModRef;
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@ -332,9 +332,9 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
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case Intrinsic::memset:
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// Since memset is 'accesses arguments' only, the AliasAnalysis base class
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// will handle it for the variable length case.
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if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getOperand(3))) {
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if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getArgOperand(2))) {
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unsigned Len = LenCI->getZExtValue();
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Value *Dest = II->getOperand(1);
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Value *Dest = II->getArgOperand(0);
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if (isNoAlias(Dest, Len, P, Size))
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return NoModRef;
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}
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@ -352,7 +352,7 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
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case Intrinsic::atomic_load_umax:
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case Intrinsic::atomic_load_umin:
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if (TD) {
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Value *Op1 = II->getOperand(1);
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Value *Op1 = II->getArgOperand(0);
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unsigned Op1Size = TD->getTypeStoreSize(Op1->getType());
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if (isNoAlias(Op1, Op1Size, P, Size))
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return NoModRef;
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@ -361,14 +361,14 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
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case Intrinsic::lifetime_start:
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case Intrinsic::lifetime_end:
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case Intrinsic::invariant_start: {
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unsigned PtrSize = cast<ConstantInt>(II->getOperand(1))->getZExtValue();
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if (isNoAlias(II->getOperand(2), PtrSize, P, Size))
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unsigned PtrSize = cast<ConstantInt>(II->getArgOperand(0))->getZExtValue();
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if (isNoAlias(II->getArgOperand(1), PtrSize, P, Size))
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return NoModRef;
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break;
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}
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case Intrinsic::invariant_end: {
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unsigned PtrSize = cast<ConstantInt>(II->getOperand(2))->getZExtValue();
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if (isNoAlias(II->getOperand(3), PtrSize, P, Size))
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unsigned PtrSize = cast<ConstantInt>(II->getArgOperand(1))->getZExtValue();
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if (isNoAlias(II->getArgOperand(2), PtrSize, P, Size))
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return NoModRef;
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break;
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}
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@ -953,7 +953,7 @@ bool llvm::CannotBeNegativeZero(const Value *V, unsigned Depth) {
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if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(I))
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// sqrt(-0.0) = -0.0, no other negative results are possible.
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if (II->getIntrinsicID() == Intrinsic::sqrt)
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return CannotBeNegativeZero(II->getOperand(1), Depth+1);
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return CannotBeNegativeZero(II->getArgOperand(0), Depth+1);
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if (const CallInst *CI = dyn_cast<CallInst>(I))
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if (const Function *F = CI->getCalledFunction()) {
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@ -966,7 +966,7 @@ bool llvm::CannotBeNegativeZero(const Value *V, unsigned Depth) {
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if (F->getName() == "fabsl") return true;
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if (F->getName() == "sqrt" || F->getName() == "sqrtf" ||
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F->getName() == "sqrtl")
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return CannotBeNegativeZero(CI->getOperand(1), Depth+1);
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return CannotBeNegativeZero(CI->getArgOperand(0), Depth+1);
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}
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}
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