mirror of
https://github.com/c64scene-ar/llvm-6502.git
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Add support for performing GVNPRE on the three vector-specific operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37745 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
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cc389e016c
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@ -58,24 +58,30 @@ namespace {
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ICMPSGT, ICMPSGE, ICMPSLT, ICMPSLE, FCMPOEQ,
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FCMPOGT, FCMPOGE, FCMPOLT, FCMPOLE, FCMPONE,
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FCMPORD, FCMPUNO, FCMPUEQ, FCMPUGT, FCMPUGE,
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FCMPULT, FCMPULE, FCMPUNE };
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FCMPULT, FCMPULE, FCMPUNE, EXTRACT, INSERT,
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SHUFFLE };
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ExpressionOpcode opcode;
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uint32_t leftVN;
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uint32_t rightVN;
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uint32_t firstVN;
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uint32_t secondVN;
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uint32_t thirdVN;
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bool operator< (const Expression& other) const {
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if (opcode < other.opcode)
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return true;
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else if (opcode > other.opcode)
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return false;
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else if (leftVN < other.leftVN)
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else if (firstVN < other.firstVN)
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return true;
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else if (leftVN > other.leftVN)
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else if (firstVN > other.firstVN)
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return false;
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else if (rightVN < other.rightVN)
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else if (secondVN < other.secondVN)
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return true;
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else if (rightVN > other.rightVN)
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else if (secondVN > other.secondVN)
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return false;
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else if (thirdVN < other.thirdVN)
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return true;
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else if (thirdVN > other.thirdVN)
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return false;
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else
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return false;
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@ -92,6 +98,9 @@ namespace {
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Expression::ExpressionOpcode getOpcode(CmpInst* C);
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Expression create_expression(BinaryOperator* BO);
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Expression create_expression(CmpInst* C);
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Expression create_expression(ShuffleVectorInst* V);
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Expression create_expression(ExtractElementInst* C);
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Expression create_expression(InsertElementInst* V);
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public:
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ValueTable() { nextValueNumber = 1; }
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uint32_t lookup_or_add(Value* V);
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@ -218,8 +227,9 @@ ValueTable::Expression::ExpressionOpcode ValueTable::getOpcode(CmpInst* C) {
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ValueTable::Expression ValueTable::create_expression(BinaryOperator* BO) {
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Expression e;
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e.leftVN = lookup_or_add(BO->getOperand(0));
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e.rightVN = lookup_or_add(BO->getOperand(1));
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e.firstVN = lookup_or_add(BO->getOperand(0));
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e.secondVN = lookup_or_add(BO->getOperand(1));
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e.thirdVN = 0;
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e.opcode = getOpcode(BO);
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return e;
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@ -228,13 +238,47 @@ ValueTable::Expression ValueTable::create_expression(BinaryOperator* BO) {
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ValueTable::Expression ValueTable::create_expression(CmpInst* C) {
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Expression e;
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e.leftVN = lookup_or_add(C->getOperand(0));
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e.rightVN = lookup_or_add(C->getOperand(1));
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e.firstVN = lookup_or_add(C->getOperand(0));
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e.secondVN = lookup_or_add(C->getOperand(1));
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e.thirdVN = 0;
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e.opcode = getOpcode(C);
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return e;
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}
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ValueTable::Expression ValueTable::create_expression(ShuffleVectorInst* S) {
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Expression e;
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e.firstVN = lookup_or_add(S->getOperand(0));
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e.secondVN = lookup_or_add(S->getOperand(1));
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e.thirdVN = lookup_or_add(S->getOperand(2));
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e.opcode = Expression::SHUFFLE;
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return e;
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}
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ValueTable::Expression ValueTable::create_expression(ExtractElementInst* E) {
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Expression e;
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e.firstVN = lookup_or_add(E->getOperand(0));
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e.secondVN = lookup_or_add(E->getOperand(1));
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e.thirdVN = 0;
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e.opcode = Expression::EXTRACT;
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return e;
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}
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ValueTable::Expression ValueTable::create_expression(InsertElementInst* I) {
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Expression e;
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e.firstVN = lookup_or_add(I->getOperand(0));
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e.secondVN = lookup_or_add(I->getOperand(1));
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e.thirdVN = lookup_or_add(I->getOperand(2));
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e.opcode = Expression::INSERT;
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return e;
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}
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//===----------------------------------------------------------------------===//
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// ValueTable External Functions
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//===----------------------------------------------------------------------===//
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@ -263,6 +307,45 @@ uint32_t ValueTable::lookup_or_add(Value* V) {
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} else if (CmpInst* C = dyn_cast<CmpInst>(V)) {
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Expression e = create_expression(C);
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std::map<Expression, uint32_t>::iterator EI = expressionNumbering.find(e);
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if (EI != expressionNumbering.end()) {
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valueNumbering.insert(std::make_pair(V, EI->second));
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return EI->second;
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} else {
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expressionNumbering.insert(std::make_pair(e, nextValueNumber));
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valueNumbering.insert(std::make_pair(V, nextValueNumber));
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return nextValueNumber++;
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}
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} else if (ShuffleVectorInst* U = dyn_cast<ShuffleVectorInst>(V)) {
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Expression e = create_expression(U);
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std::map<Expression, uint32_t>::iterator EI = expressionNumbering.find(e);
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if (EI != expressionNumbering.end()) {
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valueNumbering.insert(std::make_pair(V, EI->second));
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return EI->second;
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} else {
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expressionNumbering.insert(std::make_pair(e, nextValueNumber));
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valueNumbering.insert(std::make_pair(V, nextValueNumber));
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return nextValueNumber++;
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}
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} else if (ExtractElementInst* U = dyn_cast<ExtractElementInst>(V)) {
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Expression e = create_expression(U);
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std::map<Expression, uint32_t>::iterator EI = expressionNumbering.find(e);
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if (EI != expressionNumbering.end()) {
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valueNumbering.insert(std::make_pair(V, EI->second));
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return EI->second;
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} else {
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expressionNumbering.insert(std::make_pair(e, nextValueNumber));
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valueNumbering.insert(std::make_pair(V, nextValueNumber));
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return nextValueNumber++;
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}
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} else if (InsertElementInst* U = dyn_cast<InsertElementInst>(V)) {
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Expression e = create_expression(U);
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std::map<Expression, uint32_t>::iterator EI = expressionNumbering.find(e);
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if (EI != expressionNumbering.end()) {
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valueNumbering.insert(std::make_pair(V, EI->second));
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@ -445,7 +528,9 @@ Value* GVNPRE::phi_translate(Value* V, BasicBlock* pred, BasicBlock* succ) {
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if (V == 0)
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return 0;
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if (isa<BinaryOperator>(V) || isa<CmpInst>(V)) {
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// Binary Operations
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if (isa<BinaryOperator>(V) || isa<CmpInst>(V) ||
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isa<ExtractElementInst>(V)) {
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User* U = cast<User>(V);
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Value* newOp1 = 0;
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@ -477,6 +562,8 @@ Value* GVNPRE::phi_translate(Value* V, BasicBlock* pred, BasicBlock* succ) {
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C->getPredicate(),
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newOp1, newOp2,
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C->getName()+".expr");
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else if (ExtractElementInst* E = dyn_cast<ExtractElementInst>(U))
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newVal = new ExtractElementInst(newOp1, newOp2, E->getName()+".expr");
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uint32_t v = VN.lookup_or_add(newVal);
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@ -490,6 +577,63 @@ Value* GVNPRE::phi_translate(Value* V, BasicBlock* pred, BasicBlock* succ) {
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return leader;
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}
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}
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// Ternary Operations
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} else if (isa<ShuffleVectorInst>(V) || isa<InsertElementInst>(V)) {
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User* U = cast<User>(V);
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Value* newOp1 = 0;
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if (isa<Instruction>(U->getOperand(0)))
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newOp1 = phi_translate(U->getOperand(0), pred, succ);
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else
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newOp1 = U->getOperand(0);
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if (newOp1 == 0)
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return 0;
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Value* newOp2 = 0;
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if (isa<Instruction>(U->getOperand(1)))
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newOp2 = phi_translate(U->getOperand(1), pred, succ);
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else
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newOp2 = U->getOperand(1);
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if (newOp2 == 0)
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return 0;
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Value* newOp3 = 0;
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if (isa<Instruction>(U->getOperand(2)))
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newOp3 = phi_translate(U->getOperand(2), pred, succ);
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else
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newOp3 = U->getOperand(2);
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if (newOp3 == 0)
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return 0;
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if (newOp1 != U->getOperand(0) ||
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newOp2 != U->getOperand(1) ||
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newOp3 != U->getOperand(2)) {
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Instruction* newVal = 0;
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if (ShuffleVectorInst* S = dyn_cast<ShuffleVectorInst>(U))
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newVal = new ShuffleVectorInst(newOp1, newOp2, newOp3,
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S->getName()+".expr");
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else if (InsertElementInst* I = dyn_cast<InsertElementInst>(U))
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newVal = new InsertElementInst(newOp1, newOp2, newOp3,
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I->getName()+".expr");
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uint32_t v = VN.lookup_or_add(newVal);
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Value* leader = find_leader(availableOut[pred], v);
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if (leader == 0) {
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createdExpressions.push_back(newVal);
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return newVal;
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} else {
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VN.erase(newVal);
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delete newVal;
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return leader;
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}
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}
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// PHI Nodes
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} else if (PHINode* P = dyn_cast<PHINode>(V)) {
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if (P->getParent() == succ)
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return P->getIncomingValueForBlock(pred);
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@ -583,6 +727,103 @@ void GVNPRE::clean(SmallPtrSet<Value*, 32>& set) {
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if (rhsValid)
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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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} else if (ShuffleVectorInst* S = dyn_cast<ShuffleVectorInst>(v)) {
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bool lhsValid = !isa<Instruction>(S->getOperand(0));
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if (!lhsValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(S->getOperand(0))) {
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lhsValid = true;
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break;
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}
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if (lhsValid)
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lhsValid = !dependsOnInvoke(S->getOperand(0));
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bool rhsValid = !isa<Instruction>(S->getOperand(1));
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if (!rhsValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(S->getOperand(1))) {
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rhsValid = true;
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break;
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}
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if (rhsValid)
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rhsValid = !dependsOnInvoke(S->getOperand(1));
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bool thirdValid = !isa<Instruction>(S->getOperand(2));
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if (!thirdValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(S->getOperand(2))) {
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thirdValid = true;
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break;
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}
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if (thirdValid)
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thirdValid = !dependsOnInvoke(S->getOperand(2));
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if (!lhsValid || !rhsValid || !thirdValid)
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set.erase(C);
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} else if (InsertElementInst* S = dyn_cast<InsertElementInst>(v)) {
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bool lhsValid = !isa<Instruction>(S->getOperand(0));
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if (!lhsValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(S->getOperand(0))) {
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lhsValid = true;
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break;
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}
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if (lhsValid)
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lhsValid = !dependsOnInvoke(S->getOperand(0));
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bool rhsValid = !isa<Instruction>(S->getOperand(1));
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if (!rhsValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(S->getOperand(1))) {
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rhsValid = true;
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break;
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}
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if (rhsValid)
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rhsValid = !dependsOnInvoke(S->getOperand(1));
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bool thirdValid = !isa<Instruction>(S->getOperand(2));
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if (!thirdValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(S->getOperand(2))) {
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thirdValid = true;
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break;
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}
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if (thirdValid)
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thirdValid = !dependsOnInvoke(S->getOperand(2));
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if (!lhsValid || !rhsValid || !thirdValid)
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set.erase(C);
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} else if (ExtractElementInst* C = dyn_cast<ExtractElementInst>(v)) {
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bool lhsValid = !isa<Instruction>(C->getOperand(0));
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if (!lhsValid)
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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(C->getOperand(0))) {
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lhsValid = true;
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break;
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}
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if (lhsValid)
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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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for (SmallPtrSet<Value*, 32>::iterator I = set.begin(), E = set.end();
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I != E; ++I)
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if (VN.lookup(*I) == VN.lookup(C->getOperand(1))) {
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rhsValid = true;
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break;
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}
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if (rhsValid)
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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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}
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@ -632,6 +873,59 @@ void GVNPRE::topo_sort(SmallPtrSet<Value*, 32>& set, std::vector<Value*>& vec) {
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visited.insert(e);
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stack.pop_back();
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}
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} else if (ExtractElementInst* C = dyn_cast<ExtractElementInst>(e)) {
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Value* l = find_leader(set, VN.lookup(C->getOperand(0)));
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Value* r = find_leader(set, VN.lookup(C->getOperand(1)));
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if (l != 0 && isa<Instruction>(l) &&
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visited.count(l) == 0)
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stack.push_back(l);
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else if (r != 0 && isa<Instruction>(r) &&
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visited.count(r) == 0)
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stack.push_back(r);
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else {
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vec.push_back(e);
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visited.insert(e);
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stack.pop_back();
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}
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} else if (InsertElementInst* C = dyn_cast<InsertElementInst>(e)) {
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Value* l = find_leader(set, VN.lookup(C->getOperand(0)));
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Value* r = find_leader(set, VN.lookup(C->getOperand(1)));
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Value* m = find_leader(set, VN.lookup(C->getOperand(2)));
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if (l != 0 && isa<Instruction>(l) &&
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visited.count(l) == 0)
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stack.push_back(l);
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else if (r != 0 && isa<Instruction>(r) &&
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visited.count(r) == 0)
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stack.push_back(r);
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else if (m != 0 && isa<Instruction>(m) &&
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visited.count(m) == 0)
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stack.push_back(r);
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else {
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vec.push_back(e);
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visited.insert(e);
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stack.pop_back();
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}
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} else if (ShuffleVectorInst* C = dyn_cast<ShuffleVectorInst>(e)) {
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Value* l = find_leader(set, VN.lookup(C->getOperand(0)));
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Value* r = find_leader(set, VN.lookup(C->getOperand(1)));
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Value* m = find_leader(set, VN.lookup(C->getOperand(2)));
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if (l != 0 && isa<Instruction>(l) &&
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visited.count(l) == 0)
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stack.push_back(l);
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else if (r != 0 && isa<Instruction>(r) &&
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visited.count(r) == 0)
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stack.push_back(r);
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else if (m != 0 && isa<Instruction>(m) &&
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visited.count(m) == 0)
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stack.push_back(r);
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else {
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vec.push_back(e);
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visited.insert(e);
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stack.pop_back();
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}
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} else {
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visited.insert(e);
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vec.push_back(e);
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@ -677,7 +971,9 @@ bool GVNPRE::elimination() {
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for (BasicBlock::iterator BI = BB->begin(), BE = BB->end();
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BI != BE; ++BI) {
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if (isa<BinaryOperator>(BI) || isa<CmpInst>(BI)) {
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if (isa<BinaryOperator>(BI) || isa<CmpInst>(BI) ||
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isa<ShuffleVectorInst>(BI) || isa<InsertElementInst>(BI) ||
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isa<ExtractElementInst>(BI)) {
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Value *leader = find_leader(availableOut[BB], VN.lookup(BI));
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if (leader != 0)
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@ -786,8 +1082,101 @@ void GVNPRE::buildsets_availout(BasicBlock::iterator I,
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expNumbers.set(num);
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}
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// Handle extractelemt ops
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} else if (InsertElementInst* C = dyn_cast<InsertElementInst>(I)) {
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Value* leftValue = C->getOperand(0);
|
||||
Value* rightValue = C->getOperand(1);
|
||||
Value* thirdValue = C->getOperand(2);
|
||||
|
||||
VN.lookup_or_add(C);
|
||||
|
||||
unsigned num = VN.lookup_or_add(C);
|
||||
expNumbers.resize(VN.size());
|
||||
availNumbers.resize(VN.size());
|
||||
|
||||
if (isa<Instruction>(leftValue))
|
||||
if (!expNumbers.test(VN.lookup(leftValue))) {
|
||||
currExps.insert(leftValue);
|
||||
expNumbers.set(VN.lookup(leftValue));
|
||||
}
|
||||
if (isa<Instruction>(rightValue))
|
||||
if (!expNumbers.test(VN.lookup(rightValue))) {
|
||||
currExps.insert(rightValue);
|
||||
expNumbers.set(VN.lookup(rightValue));
|
||||
}
|
||||
if (isa<Instruction>(thirdValue))
|
||||
if (!expNumbers.test(VN.lookup(thirdValue))) {
|
||||
currExps.insert(thirdValue);
|
||||
expNumbers.set(VN.lookup(thirdValue));
|
||||
}
|
||||
|
||||
if (!expNumbers.test(VN.lookup(C))) {
|
||||
currExps.insert(C);
|
||||
expNumbers.set(num);
|
||||
}
|
||||
|
||||
// Handle shufflevector ops
|
||||
} else if (ShuffleVectorInst* C = dyn_cast<ShuffleVectorInst>(I)) {
|
||||
Value* leftValue = C->getOperand(0);
|
||||
Value* rightValue = C->getOperand(1);
|
||||
Value* thirdValue = C->getOperand(2);
|
||||
|
||||
VN.lookup_or_add(C);
|
||||
|
||||
unsigned num = VN.lookup_or_add(C);
|
||||
expNumbers.resize(VN.size());
|
||||
availNumbers.resize(VN.size());
|
||||
|
||||
if (isa<Instruction>(leftValue))
|
||||
if (!expNumbers.test(VN.lookup(leftValue))) {
|
||||
currExps.insert(leftValue);
|
||||
expNumbers.set(VN.lookup(leftValue));
|
||||
}
|
||||
if (isa<Instruction>(rightValue))
|
||||
if (!expNumbers.test(VN.lookup(rightValue))) {
|
||||
currExps.insert(rightValue);
|
||||
expNumbers.set(VN.lookup(rightValue));
|
||||
}
|
||||
if (isa<Instruction>(thirdValue))
|
||||
if (!expNumbers.test(VN.lookup(thirdValue))) {
|
||||
currExps.insert(thirdValue);
|
||||
expNumbers.set(VN.lookup(thirdValue));
|
||||
}
|
||||
|
||||
if (!expNumbers.test(VN.lookup(C))) {
|
||||
currExps.insert(C);
|
||||
expNumbers.set(num);
|
||||
}
|
||||
|
||||
// Handle insertelement ops
|
||||
} else if (ExtractElementInst* C = dyn_cast<ExtractElementInst>(I)) {
|
||||
Value* leftValue = C->getOperand(0);
|
||||
Value* rightValue = C->getOperand(1);
|
||||
|
||||
VN.lookup_or_add(C);
|
||||
|
||||
unsigned num = VN.lookup_or_add(C);
|
||||
expNumbers.resize(VN.size());
|
||||
availNumbers.resize(VN.size());
|
||||
|
||||
if (isa<Instruction>(leftValue))
|
||||
if (!expNumbers.test(VN.lookup(leftValue))) {
|
||||
currExps.insert(leftValue);
|
||||
expNumbers.set(VN.lookup(leftValue));
|
||||
}
|
||||
if (isa<Instruction>(rightValue))
|
||||
if (!expNumbers.test(VN.lookup(rightValue))) {
|
||||
currExps.insert(rightValue);
|
||||
expNumbers.set(VN.lookup(rightValue));
|
||||
}
|
||||
|
||||
if (!expNumbers.test(VN.lookup(C))) {
|
||||
currExps.insert(C);
|
||||
expNumbers.set(num);
|
||||
}
|
||||
|
||||
// Handle unsupported ops
|
||||
} else if (!I->isTerminator()){
|
||||
}else if (!I->isTerminator()){
|
||||
VN.lookup_or_add(I);
|
||||
expNumbers.resize(VN.size());
|
||||
availNumbers.resize(VN.size());
|
||||
@ -995,17 +1384,35 @@ void GVNPRE::insertion_pre(Value* e, BasicBlock* BB,
|
||||
|
||||
Value* s1 = 0;
|
||||
if (isa<BinaryOperator>(U->getOperand(0)) ||
|
||||
isa<CmpInst>(U->getOperand(0)))
|
||||
isa<CmpInst>(U->getOperand(0)) ||
|
||||
isa<ShuffleVectorInst>(U->getOperand(0)) ||
|
||||
isa<ExtractElementInst>(U->getOperand(0)) ||
|
||||
isa<InsertElementInst>(U->getOperand(0)))
|
||||
s1 = find_leader(availableOut[*PI], VN.lookup(U->getOperand(0)));
|
||||
else
|
||||
s1 = U->getOperand(0);
|
||||
|
||||
Value* s2 = 0;
|
||||
if (isa<BinaryOperator>(U->getOperand(1)) ||
|
||||
isa<CmpInst>(U->getOperand(1)))
|
||||
if (isa<BinaryOperator>(U->getOperand(1)) ||
|
||||
isa<CmpInst>(U->getOperand(1)) ||
|
||||
isa<ShuffleVectorInst>(U->getOperand(1)) ||
|
||||
isa<ExtractElementInst>(U->getOperand(1)) ||
|
||||
isa<InsertElementInst>(U->getOperand(1)))
|
||||
s2 = find_leader(availableOut[*PI], VN.lookup(U->getOperand(1)));
|
||||
else
|
||||
s2 = U->getOperand(1);
|
||||
|
||||
Value* s3 = 0;
|
||||
if (isa<ShuffleVectorInst>(U) ||
|
||||
isa<InsertElementInst>(U))
|
||||
if (isa<BinaryOperator>(U->getOperand(2)) ||
|
||||
isa<CmpInst>(U->getOperand(2)) ||
|
||||
isa<ShuffleVectorInst>(U->getOperand(2)) ||
|
||||
isa<ExtractElementInst>(U->getOperand(2)) ||
|
||||
isa<InsertElementInst>(U->getOperand(2)))
|
||||
s3 = find_leader(availableOut[*PI], VN.lookup(U->getOperand(2)));
|
||||
else
|
||||
s3 = U->getOperand(2);
|
||||
|
||||
Value* newVal = 0;
|
||||
if (BinaryOperator* BO = dyn_cast<BinaryOperator>(U))
|
||||
@ -1016,6 +1423,15 @@ void GVNPRE::insertion_pre(Value* e, BasicBlock* BB,
|
||||
newVal = CmpInst::create(C->getOpcode(), C->getPredicate(), s1, s2,
|
||||
C->getName()+".gvnpre",
|
||||
(*PI)->getTerminator());
|
||||
else if (ShuffleVectorInst* S = dyn_cast<ShuffleVectorInst>(U))
|
||||
newVal = new ShuffleVectorInst(s1, s2, s3, S->getName()+".gvnpre",
|
||||
(*PI)->getTerminator());
|
||||
else if (InsertElementInst* S = dyn_cast<InsertElementInst>(U))
|
||||
newVal = new InsertElementInst(s1, s2, s3, S->getName()+".gvnpre",
|
||||
(*PI)->getTerminator());
|
||||
else if (ExtractElementInst* S = dyn_cast<ExtractElementInst>(U))
|
||||
newVal = new ExtractElementInst(s1, s2, S->getName()+".gvnpre",
|
||||
(*PI)->getTerminator());
|
||||
|
||||
VN.add(newVal, VN.lookup(U));
|
||||
|
||||
@ -1059,7 +1475,9 @@ unsigned GVNPRE::insertion_mergepoint(std::vector<Value*>& workList,
|
||||
for (unsigned i = 0; i < workList.size(); ++i) {
|
||||
Value* e = workList[i];
|
||||
|
||||
if (isa<BinaryOperator>(e) || isa<CmpInst>(e)) {
|
||||
if (isa<BinaryOperator>(e) || isa<CmpInst>(e) ||
|
||||
isa<ExtractElementInst>(e) || isa<InsertElementInst>(e) ||
|
||||
isa<ShuffleVectorInst>(e)) {
|
||||
if (find_leader(availableOut[D->getIDom()->getBlock()],
|
||||
VN.lookup(e)) != 0)
|
||||
continue;
|
||||
@ -1179,8 +1597,6 @@ bool GVNPRE::runOnFunction(Function &F) {
|
||||
|
||||
// Phase 1: BuildSets
|
||||
// This phase calculates the AVAIL_OUT and ANTIC_IN sets
|
||||
// NOTE: If full postdom information is no available, this will bail
|
||||
// early, performing GVN but not PRE
|
||||
buildsets(F);
|
||||
|
||||
// Phase 2: Insert
|
||||
|
Loading…
Reference in New Issue
Block a user