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Fix test/Transforms/GVNPRE/2007-06-15-InvokeInst.ll by ignoring all instructions that depend on invokes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37610 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -285,6 +285,33 @@ void GVNPRE::phi_translate_set(std::set<Value*, ExprLT>& anticIn,
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}
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}
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bool dependsOnInvoke(Value* V) {
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if (!isa<User>(V))
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return false;
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User* U = cast<User>(V);
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std::vector<Value*> worklist(U->op_begin(), U->op_end());
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std::set<Value*> visited;
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while (!worklist.empty()) {
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Value* current = worklist.back();
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worklist.pop_back();
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visited.insert(current);
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if (!isa<User>(current))
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continue;
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else if (isa<InvokeInst>(current))
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return true;
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User* curr = cast<User>(current);
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for (unsigned i = 0; i < curr->getNumOperands(); ++i)
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if (visited.find(curr->getOperand(i)) == visited.end())
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worklist.push_back(curr->getOperand(i));
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}
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return false;
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}
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// Remove all expressions whose operands are not themselves in the set
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void GVNPRE::clean(std::set<Value*, ExprLT>& set) {
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std::vector<Value*> worklist;
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@ -302,6 +329,7 @@ void GVNPRE::clean(std::set<Value*, ExprLT>& set) {
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lhsValid = true;
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break;
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}
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lhsValid &= !dependsOnInvoke(BO->getOperand(0));
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bool rhsValid = !isa<Instruction>(BO->getOperand(1));
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if (!rhsValid)
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@ -311,6 +339,7 @@ void GVNPRE::clean(std::set<Value*, ExprLT>& set) {
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rhsValid = true;
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break;
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}
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rhsValid &= !dependsOnInvoke(BO->getOperand(1));
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if (!lhsValid || !rhsValid)
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set.erase(BO);
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@ -323,6 +352,7 @@ void GVNPRE::clean(std::set<Value*, ExprLT>& set) {
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lhsValid = true;
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break;
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}
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lhsValid &= !dependsOnInvoke(C->getOperand(0));
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bool rhsValid = !isa<Instruction>(C->getOperand(1));
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if (!rhsValid)
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@ -332,6 +362,7 @@ void GVNPRE::clean(std::set<Value*, ExprLT>& set) {
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rhsValid = true;
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break;
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}
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rhsValid &= !dependsOnInvoke(C->getOperand(1));
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if (!lhsValid || !rhsValid)
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set.erase(C);
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@ -800,13 +831,15 @@ bool GVNPRE::runOnFunction(Function &F) {
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User* U = cast<User>(e2);
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Value* s1 = 0;
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if (isa<Instruction>(U->getOperand(0)))
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if (isa<BinaryOperator>(U->getOperand(0)) ||
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isa<CmpInst>(U->getOperand(0)))
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s1 = find_leader(availableOut[*PI], U->getOperand(0));
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else
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s1 = U->getOperand(0);
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Value* s2 = 0;
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if (isa<Instruction>(U->getOperand(1)))
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if (isa<BinaryOperator>(U->getOperand(1)) ||
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isa<CmpInst>(U->getOperand(1)))
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s2 = find_leader(availableOut[*PI], U->getOperand(1));
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else
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s2 = U->getOperand(1);
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