Commit 3b261e6f authored by Mccaskey, Alex's avatar Mccaskey, Alex
Browse files

adding visitor demo to xacc_demo, adding comments and clean up to others 



Signed-off-by: Mccaskey, Alex's avatarAlex McCaskey <mccaskeyaj@ornl.gov>
parent 91cc8278

examples/qcor_demos/ibm_qasm3_demo_092021/qcor-qir/qir_demo.cpp

+12 −0
Original line number Diff line number Diff line
@@ -9,6 +9,18 @@ 
// i.e. T|1> = exp(i*pi/4)|1>

// We use 3 counting bits => totally 4 qubits.



// Using QIR Implementation library C-API



// qcor qir_demo.cpp

// ./a.out -qrt nisq -shots 1000



// code /home/cades/dev/qcor/mlir/qir_qrt/qir-qis-base.cpp and look at some impls



// qcor qir_demo.cpp -S -emit-llvm 

// wc -l qir_demo.ll

// qcor qir_demo.cpp -emit-llvm -S -O3 -internal-no-pch

// wc -l qir_demo.ll



Qubit* extract_qubit(Array* a, int idx);

void iqft(Array* q);

examples/qcor_demos/ibm_qasm3_demo_092021/qcor-qrt/qrt_demo.cpp

+26 −5
Original line number Diff line number Diff line
@@ -69,4 +69,25 @@ int main() { 
      local_qrt.reset(q[1]);

    }

  }



  {  // Convenience API for these calls



    auto q = qalloc(2);

    ::quantum::h(q[0]);

    ::quantum::cnot(q[0], q[1]);

  }



  // See how we use this with the Clang SH

  // Uncomment and paste to terminal

//   printf "__qpu__ void f(qreg q) {

//       H(q[0]);

//   Measure(q[0]);

// }

// int main() {

//   auto q = qalloc(1);

//   f(q);

//   q.print();

// }

// " | qcor -print-csp-source -x c++ -



}
 
 No newline at end of file

examples/qcor_demos/ibm_qasm3_demo_092021/xacc/xacc_demo.cpp

+45 −5
Original line number Diff line number Diff line 
#include "AllGateVisitor.hpp"

#include "qcor.hpp"

#include "xacc.hpp"
@@ -50,7 +51,8 @@ int main(int argc, char** argv) { 
      backend->execute(accelerator_buffer, composite);

      accelerator_buffer->print();

    } else {

      print("Native Code:\n", backend->getNativeCode(composite, {{"format", "qasm"}}));

      print("Native Code:\n",

            backend->getNativeCode(composite, {{"format", "qasm"}}));

    }

  }
@@ -69,7 +71,45 @@ int main(int argc, char** argv) { 
      backend->execute(accelerator_buffer, composite);

      accelerator_buffer->print();

    } else {

      print("Native Code:\n", backend->getNativeCode(composite, {{"format", "qasm"}}));

      print("Native Code:\n",

            backend->getNativeCode(composite, {{"format", "qasm"}}));

    }

  }



  {  // HOW SIMULATORS WORK



    // Define an XACC IR Visitor, AllGateVisitor is a convenient

    // supertype exposing visit() for all gates

    struct MyVisitor : public xacc::quantum::AllGateVisitor {

      std::complex<double>* MY_SIM_DATA;



      void visit(xacc::quantum::Hadamard& h) {

        print("Applying Hadamard", h.bits()[0], "to internal simulation data!");

      }

      void visit(xacc::quantum::CNOT& cnot) {

        print("Applying CNOT", cnot.bits()[0], cnot.bits()[1],

              "to internal simulation data!");

      }

    };



    // Define some IR again

    const int n_qubits = 3;

    xacc::IRBuilder builder;

    builder.h(0);

    for (int i = 0; i < n_qubits - 1; i++) builder.cnot(i, i + 1);

    for (int i = 0; i < n_qubits; i++) builder.mz(i);

    auto composite = builder.to_ir();



    // The following is a common pattern in Accelerator implementations!



    // Create a Visitor

    auto visitor = std::make_shared<MyVisitor>();



    // Walk the IR tree pre-order, visit each node

    xacc::InstructionIterator iter(composite);

    while (iter.hasNext()) {

      auto next = iter.next();

      next->accept(visitor);

    }

  }

tools/driver/qcor.in

+5 −4
Original line number Diff line number Diff line
@@ -304,8 +304,9 @@ def main(argv=None): 
        if verbose:

            info('Rebuilding pre-compiled header for qcor_lang_ext.hpp.')



        result = subprocess.run([compiler, '-std=c++17', '-x', 'c++-header', '@CMAKE_INSTALL_PREFIX@/include/qcor/qcor_lang_ext.hpp',

                                 '-o', '@CMAKE_INSTALL_PREFIX@/include/qcor/qcor_lang_ext.hpp.pch'] + baseIncludes, check=True)

        pch_commands = [compiler, '-std=c++17', '-x', 'c++-header', '@CMAKE_INSTALL_PREFIX@/include/qcor/qcor_lang_ext.hpp',

                                 '-o', '@CMAKE_INSTALL_PREFIX@/include/qcor/qcor_lang_ext.hpp.pch']

        result = subprocess.run(pch_commands + baseIncludes, check=True)

        exit(0)

    

    # This flag is primarily for our testers to point to the
@@ -884,7 +885,7 @@ def main(argv=None): 
        sys.argv.append(filename)



        sys.argv[0] = compiler

        commands = [compiler] + defaultFlags + sHandlerArgs + baseIncludes

        commands = [compiler] + defaultFlags + ['-Wno-unused-command-line-argument', '-Wno-override-module'] + sHandlerArgs + baseIncludes

        if compileOnly:

            commands += sys.argv[1:]

        else:
@@ -903,7 +904,7 @@ def main(argv=None): 
    elif fileType == '' and filename == '':

        if '-x' in sys.argv[1:] and 'c++' in sys.argv[1:]:

            sys.argv[0] = compiler

            commands = [compiler] + defaultFlags + sHandlerArgs + baseIncludes 

            commands = [compiler] + defaultFlags + ['-Wno-unused-command-line-argument', '-Wno-override-module'] + sHandlerArgs + baseIncludes 

            if compileOnly:

                commands += sys.argv[1:]

            else: