LLVM: lib/Target/Hexagon/HexagonISelDAGToDAG.cpp File Reference (original) (raw)
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| Namespaces | |
|---|---|
| namespace | llvm |
| This is an optimization pass for GlobalISel generic memory operations. |
| Functions | |
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| FunctionPass * | llvm::createHexagonISelDag (HexagonTargetMachine &TM, CodeGenOptLevel OptLevel) |
| createHexagonISelDag - This pass converts a legalized DAG into a Hexagon-specific DAG, ready for instruction scheduling. | |
| static bool | isMemOPCandidate (SDNode *I, SDNode *U) |
| static bool | isOpcodeHandled (const SDNode *N) |
| static unsigned | getPowerOf2Factor (SDValue Val) |
| static bool | willShiftRightEliminate (SDValue V, unsigned Amount) |
| static bool | isTargetConstant (const SDValue &V) |
| Variables | |
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| static cl::opt< bool > | EnableAddressRebalancing ("isel-rebalance-addr", cl::Hidden, cl::init(true), cl::desc("Rebalance address calculation trees to improve " "instruction selection")) |
| static cl::opt< bool > | RebalanceOnlyForOptimizations ("rebalance-only-opt", cl::Hidden, cl::init(false), cl::desc("Rebalance address tree only if this allows optimizations")) |
| static cl::opt< bool > | RebalanceOnlyImbalancedTrees ("rebalance-only-imbal", cl::Hidden, cl::init(false), cl::desc("Rebalance address tree only if it is imbalanced")) |
| static cl::opt< bool > | CheckSingleUse ("hexagon-isel-su", cl::Hidden, cl::init(true), cl::desc("Enable checking of SDNode's single-use status")) |
◆ DEBUG_TYPE
#define DEBUG_TYPE "hexagon-isel"
◆ GET_DAGISEL_BODY
◆ PASS_NAME
◆ getPowerOf2Factor()
Returns
the value x for which 2^x is a factor of Val
Definition at line 1966 of file HexagonISelDAGToDAG.cpp.
References llvm::CallingConv::C, llvm::APInt::countr_zero(), llvm::dyn_cast(), llvm::APInt::getBoolValue(), llvm::SDValue::getConstantOperandVal(), llvm::SDValue::getNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::isa(), llvm::ISD::MUL, and llvm::ISD::SHL.
◆ isMemOPCandidate()
Definition at line 1081 of file HexagonISelDAGToDAG.cpp.
References llvm::ISD::ADD, llvm::ISD::AND, llvm::cast(), llvm::SDValue::getNode(), llvm::SDNode::getNumValues(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), I, Opc, llvm::ISD::OR, S1, llvm::ISD::SUB, and llvm::SDNode::user_begin().
◆ isOpcodeHandled()
◆ isTargetConstant()
◆ willShiftRightEliminate()
◆ CheckSingleUse
◆ EnableAddressRebalancing
| cl::opt< bool > EnableAddressRebalancing("isel-rebalance-addr", cl::Hidden, cl::init(true), cl::desc("Rebalance address calculation trees to improve " "instruction selection")) ( "isel-rebalance-addr" , cl::Hidden , cl::init(true) , cl::desc("Rebalance address calculation trees to improve " "instruction selection") ) | static |
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◆ RebalanceOnlyForOptimizations
| cl::opt< bool > RebalanceOnlyForOptimizations("rebalance-only-opt", cl::Hidden, cl::init(false), cl::desc("Rebalance address tree only if this allows optimizations")) ( "rebalance-only-opt" , cl::Hidden , cl::init(false) , cl::desc("Rebalance address tree only if this allows optimizations") ) | static |
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◆ RebalanceOnlyImbalancedTrees
| cl::opt< bool > RebalanceOnlyImbalancedTrees("rebalance-only-imbal", cl::Hidden, cl::init(false), cl::desc("Rebalance address tree only if it is imbalanced")) ( "rebalance-only-imbal" , cl::Hidden , cl::init(false) , cl::desc("Rebalance address tree only if it is imbalanced") ) | static |
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