Jonas Jensen 947634f66f C++: Speed up getInstructionOperandDefinition ...

A part of `SSAConstruction.getInstructionOperandDefinition` was more
expensive than it had to be. On a ChakraCore snapshot, this changes the
tuple counts from

    3020569 ~2%       {3} r40 = JOIN OperandTag::TUnmodeledUseOperand#f WITH Instruction::Instruction::getFunction_dispred#ff CARTESIAN PRODUCT OUTPUT FIELDS {Instruction::Instruction::getFunction_dispred#ff.<0>,OperandTag::TUnmodeledUseOperand#f.<0>,Instruction::Instruction::getFunction_dispred#ff.<1>}
    62405   ~0%       {3} r41 = JOIN r40 WITH Instruction::UnmodeledUseInstruction#class#fffffff ON r40.<0>=Instruction::UnmodeledUseInstruction#class#fffffff.<0> OUTPUT FIELDS {r40.<2>,r40.<1>,r40.<0>}
    2868421 ~1%       {3} r42 = JOIN r41 WITH Instruction::Instruction::getFunction_dispred#ff_10#join_rhs ON r41.<0>=Instruction::Instruction::getFunction_dispred#ff_10#join_rhs.<0> OUTPUT FIELDS {Instruction::Instruction::getFunction_dispred#ff_10#join_rhs.<1>,r41.<1>,r41.<2>}
    62405   ~0%       {3} r43 = JOIN r42 WITH Instruction::UnmodeledDefinitionInstruction#class#fffffff ON r42.<0>=Instruction::UnmodeledDefinitionInstruction#class#fffffff.<0> OUTPUT FIELDS {r42.<2>,r42.<1>,r42.<0>}

to

    (0s) Starting to evaluate predicate SSAConstruction::Cached::getUnmodeledUseInstruction#ff
    (0s) Tuple counts:
    62405   ~0%     {2} r1 = JOIN Instruction::UnmodeledUseInstruction#class#fffffff WITH Instruction::Instruction::getFunction_dispred#ff ON Instruction::UnmodeledUseInstruction#class#fffffff.<0>=Instruction::Instruction::getFunction_dispred#ff.<0> OUTPUT FIELDS {Instruction::Instruction::getFunction_dispred#ff.<1>,Instruction::Instruction::getFunction_dispred#ff.<0>}
                                      return r1
    ...
    75716   ~0%       {3} r40 = JOIN OperandTag::TUnmodeledUseOperand#f WITH FunctionIR::FunctionIR::getUnmodeledDefinitionInstruction#ff CARTESIAN PRODUCT OUTPUT FIELDS {FunctionIR::FunctionIR::getUnmodeledDefinitionInstruction#ff.<0>,OperandTag::TUnmodeledUseOperand#f.<0>,FunctionIR::FunctionIR::getUnmodeledDefinitionInstruction#ff.<1>}
    62405   ~0%       {3} r41 = JOIN r40 WITH FunctionIR::FunctionIR::getUnmodeledUseInstruction#ff ON r40.<0>=FunctionIR::FunctionIR::getUnmodeledUseInstruction#ff.<0> OUTPUT FIELDS {FunctionIR::FunctionIR::getUnmodeledUseInstruction#ff.<1>,r40.<1>,r40.<2>}

2019-01-31 08:43:00 +01:00

..

src

C++: Speed up getInstructionOperandDefinition

2019-01-31 08:43:00 +01:00

test

Merge pull request #821 from geoffw0/query-tags-case

2019-01-29 03:52:52 -08:00