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use the new isFreeCall API and ArgOperand accessors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106692 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -116,8 +116,8 @@ getCallSiteDependencyFrom(CallSite CS, bool isReadOnlyCall,
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} else if (VAArgInst *V = dyn_cast<VAArgInst>(Inst)) {
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Pointer = V->getOperand(0);
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PointerSize = AA->getTypeStoreSize(V->getType());
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} else if (isFreeCall(Inst)) {
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Pointer = Inst->getOperand(1);
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} else if (const CallInst *CI = isFreeCall(Inst)) {
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Pointer = CI->getArgOperand(0);
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// calls to free() erase the entire structure
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PointerSize = ~0ULL;
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} else if (isa<CallInst>(Inst) || isa<InvokeInst>(Inst)) {
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@ -197,9 +197,9 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
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// pointer, not on query pointers that are indexed off of them. It'd
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// be nice to handle that at some point.
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AliasAnalysis::AliasResult R =
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AA->alias(II->getOperand(3), ~0U, MemPtr, ~0U);
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AA->alias(II->getArgOperand(2), ~0U, MemPtr, ~0U);
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if (R == AliasAnalysis::MustAlias) {
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InvariantTag = II->getOperand(1);
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InvariantTag = II->getArgOperand(0);
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continue;
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}
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@ -210,7 +210,7 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
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// pointer, not on query pointers that are indexed off of them. It'd
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// be nice to handle that at some point.
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AliasAnalysis::AliasResult R =
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AA->alias(II->getOperand(2), ~0U, MemPtr, ~0U);
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AA->alias(II->getArgOperand(1), ~0U, MemPtr, ~0U);
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if (R == AliasAnalysis::MustAlias)
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return MemDepResult::getDef(II);
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}
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@ -365,25 +365,26 @@ MemDepResult MemoryDependenceAnalysis::getDependency(Instruction *QueryInst) {
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MemPtr = LI->getPointerOperand();
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MemSize = AA->getTypeStoreSize(LI->getType());
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}
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} else if (isFreeCall(QueryInst)) {
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MemPtr = QueryInst->getOperand(1);
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} else if (const CallInst *CI = isFreeCall(QueryInst)) {
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MemPtr = CI->getArgOperand(0);
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// calls to free() erase the entire structure, not just a field.
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MemSize = ~0UL;
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} else if (isa<CallInst>(QueryInst) || isa<InvokeInst>(QueryInst)) {
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int IntrinsicID = 0; // Intrinsic IDs start at 1.
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if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(QueryInst))
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IntrinsicInst *II = dyn_cast<IntrinsicInst>(QueryInst);
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if (II)
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IntrinsicID = II->getIntrinsicID();
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switch (IntrinsicID) {
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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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MemPtr = QueryInst->getOperand(2);
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MemSize = cast<ConstantInt>(QueryInst->getOperand(1))->getZExtValue();
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MemPtr = II->getArgOperand(1);
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MemSize = cast<ConstantInt>(II->getArgOperand(0))->getZExtValue();
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break;
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case Intrinsic::invariant_end:
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MemPtr = QueryInst->getOperand(3);
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MemSize = cast<ConstantInt>(QueryInst->getOperand(2))->getZExtValue();
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MemPtr = II->getArgOperand(2);
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MemSize = cast<ConstantInt>(II->getArgOperand(1))->getZExtValue();
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break;
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default:
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CallSite QueryCS = CallSite::get(QueryInst);
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