Switch the default to enable mlir.

docs/CMakeLists.txt

@@ -16,8 +16,8 @@
 #   SOURCE_DIR <DIR>: the directory that SOURCE_LOCATION is relative to (if not the default)
 #   LAUNCH_COMMAND <COMMAND>: the command to launch the test (e.g., mpirun)
 function(add_nvqpp_test TEST_NAME SOURCE_LOCATION)
-  cmake_parse_arguments(PARSED_ARGS "" "TARGET;LABELS;SOURCE_DIR;LAUNCH_COMMAND;APPLICATION_ARGS;TARGET_OPTION" "" ${ARGN}) 
-  set(NVQPP_COMPILE_ARGS "")
+  cmake_parse_arguments(PARSED_ARGS "" "TARGET;LABELS;SOURCE_DIR;LAUNCH_COMMAND;APPLICATION_ARGS;TARGET_OPTION" "" ${ARGN})
+  set(NVQPP_COMPILE_ARGS "--library-mode ")
   if(PARSED_ARGS_TARGET)
     set(NVQPP_COMPILE_ARGS "${NVQPP_COMPILE_ARGS} --target ${PARSED_ARGS_TARGET}")
     if (PARSED_ARGS_TARGET_OPTION)

docs/sphinx/applications/cpp/grover.cpp

@@ -1,6 +1,6 @@
 // Compile and run with:
 // ```
-// nvq++ grover.cpp -o grover.x && ./grover.x
+// nvq++ --library-mode grover.cpp -o grover.x && ./grover.x
 // ```
 
 #include <cmath>

docs/sphinx/targets/cpp/photonics.cpp

@@ -1,6 +1,6 @@
 // Compile and run with:
 // ```
-// nvq++ --target orca-photonics photonics.cpp
+// nvq++ --library-mode --target orca-photonics photonics.cpp
 // ./a.out
 // ```
 
@@ -24,4 +24,4 @@ int main() {
 
   auto state = cudaq::get_state(photonicsKernel{});
   state.dump();
-}
+}

scripts/validate_container.sh

@@ -150,6 +150,10 @@ do
     if [ -n "$intended_target" ]; then
         echo "Intended for execution on $intended_target backend."
     fi
+    use_library_mode=`sed -e '/^$/,$d' $ex | grep -oP '^//\s*nvq++.+-library-mode'`
+    if [ -n "$use_library_mode" ]; then
+        nvqpp_extra_options="--library-mode"
+    fi
 
     for t in $requested_backends
     do
@@ -214,7 +218,7 @@ do
             for (( i=0; i<${arraylength}; i++ ));
             do
                 echo "  Testing nvidia target option: ${optionArray[$i]}"
-                nvq++ $ex $target_flag --target-option "${optionArray[$i]}"
+                nvq++ $nvqpp_extra_options $ex $target_flag --target-option "${optionArray[$i]}"
                 if [ ! $? -eq 0 ]; then
                     let "failed+=1"
                     echo "  :x: Compilation failed for $filename." >> "${tmpFile}_$(echo $t | tr - _)"
@@ -235,7 +239,7 @@ do
                 rm a.out /tmp/cudaq_validation.out &> /dev/null
             done
         else
-            nvq++ $ex $target_flag 
+            nvq++ $nvqpp_extra_options $ex $target_flag
             if [ ! $? -eq 0 ]; then
                 let "failed+=1"
                 echo ":x: Compilation failed for $filename." >> "${tmpFile}_$(echo $t | tr - _)"

targettests/Remote-Sim/compile_errors.cpp

@@ -8,7 +8,7 @@
 
 // REQUIRES: remote-sim
 // clang-format off
-// RUN: nvq++ %cpp_std --target remote-mqpu %s 2>&1 | FileCheck %s
+// RUN: nvq++ --library-mode %cpp_std --target remote-mqpu %s 2>&1 | FileCheck %s
 // clang-format on
 
 #include <cudaq.h>

targettests/Remote-Sim/nested_vectors.cpp

@@ -8,7 +8,7 @@
 
 // REQUIRES: remote-sim
 // clang-format off
-// RUN: nvq++ %cpp_std --target remote-mqpu %s -o %t && %t
+// RUN: nvq++ --library-mode %cpp_std --target remote-mqpu %s -o %t && %t
 // clang-format on
 
 #include "remote_test_assert.h"

targettests/Remote-Sim/unsupport_args.cpp

@@ -9,7 +9,7 @@
 // REQUIRES: remote-sim
 
 // clang-format off
-// RUN: nvq++ %cpp_std --target remote-mqpu %s 2>&1 | FileCheck %s
+// RUN: nvq++ --library-mode %cpp_std --target remote-mqpu %s |& FileCheck %s
 // clang-format on
 
 #include <cudaq.h>

targettests/execution/state_preparation_vector.cpp

@@ -7,7 +7,7 @@
  ******************************************************************************/
 
 // Simulators
-// RUN: nvq++ %cpp_std --enable-mlir %s -o %t && %t | FileCheck %s
+// RUN: nvq++ %cpp_std %s -o %t && %t | FileCheck %s
 
 // Quantum emulators
 // RUN: nvq++ %cpp_std -target quantinuum -emulate %s -o %t && \

tools/nvqpp/nvq++.in

@@ -376,7 +376,7 @@ fi
 # We default to LIBRARY_MODE, physical
 # Quantum Targets can override this to turn on
 # our MLIR compilation workflow.
-LIBRARY_MODE=true
+LIBRARY_MODE=false
 
 CXX=${LLVMBIN}clang++${llvm_suffix}
 TARGET_ARGS=()
@@ -506,6 +506,9 @@ while [ $# -ne 0 ]; do
 	--enable-mlir)
 		LIBRARY_MODE=false
 		;;
+	--library-mode)
+		LIBRARY_MODE=true
+		;;
 	--clang-verbose | -clang-verbose)
 		CLANG_VERBOSE="-v"
 		;;