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[flang][runtime] Replace recursion with iterative work queue #137727

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[flang][runtime] Replace recursion with iterative work queue #137727

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3 changes: 3 additions & 0 deletions flang-rt/include/flang-rt/runtime/environment.h
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,9 @@ struct ExecutionEnvironment {
bool defaultUTF8{false}; // DEFAULT_UTF8
bool checkPointerDeallocation{true}; // FORT_CHECK_POINTER_DEALLOCATION

enum InternalDebugging { WorkQueue = 1 };
int internalDebugging{0}; // FLANG_RT_DEBUG

// CUDA related variables
std::size_t cudaStackLimit{0}; // ACC_OFFLOAD_STACK_SIZE
bool cudaDeviceIsManaged{false}; // NV_CUDAFOR_DEVICE_IS_MANAGED
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10 changes: 7 additions & 3 deletions flang-rt/include/flang-rt/runtime/stat.h
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Expand Up @@ -24,7 +24,7 @@ class Terminator;
enum Stat {
StatOk = 0, // required to be zero by Fortran

// Interoperable STAT= codes
// Interoperable STAT= codes (>= 11)
StatBaseNull = CFI_ERROR_BASE_ADDR_NULL,
StatBaseNotNull = CFI_ERROR_BASE_ADDR_NOT_NULL,
StatInvalidElemLen = CFI_INVALID_ELEM_LEN,
Expand All @@ -36,7 +36,7 @@ enum Stat {
StatMemAllocation = CFI_ERROR_MEM_ALLOCATION,
StatOutOfBounds = CFI_ERROR_OUT_OF_BOUNDS,

// Standard STAT= values
// Standard STAT= values (>= 101)
StatFailedImage = FORTRAN_RUNTIME_STAT_FAILED_IMAGE,
StatLocked = FORTRAN_RUNTIME_STAT_LOCKED,
StatLockedOtherImage = FORTRAN_RUNTIME_STAT_LOCKED_OTHER_IMAGE,
Expand All @@ -49,10 +49,14 @@ enum Stat {
// Additional "processor-defined" STAT= values
StatInvalidArgumentNumber = FORTRAN_RUNTIME_STAT_INVALID_ARG_NUMBER,
StatMissingArgument = FORTRAN_RUNTIME_STAT_MISSING_ARG,
StatValueTooShort = FORTRAN_RUNTIME_STAT_VALUE_TOO_SHORT,
StatValueTooShort = FORTRAN_RUNTIME_STAT_VALUE_TOO_SHORT, // -1
StatMoveAllocSameAllocatable =
FORTRAN_RUNTIME_STAT_MOVE_ALLOC_SAME_ALLOCATABLE,
StatBadPointerDeallocation = FORTRAN_RUNTIME_STAT_BAD_POINTER_DEALLOCATION,

// Dummy status for work queue continuation, declared here to perhaps
// avoid collisions
StatContinue = 201
};

RT_API_ATTRS const char *StatErrorString(int);
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2 changes: 2 additions & 0 deletions flang-rt/include/flang-rt/runtime/type-info.h
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Expand Up @@ -240,6 +240,7 @@ class DerivedType {
RT_API_ATTRS bool noFinalizationNeeded() const {
return noFinalizationNeeded_;
}
RT_API_ATTRS bool noDefinedAssignment() const { return noDefinedAssignment_; }

RT_API_ATTRS std::size_t LenParameters() const {
return lenParameterKind().Elements();
Expand Down Expand Up @@ -322,6 +323,7 @@ class DerivedType {
bool noInitializationNeeded_{false};
bool noDestructionNeeded_{false};
bool noFinalizationNeeded_{false};
bool noDefinedAssignment_{false};
};

} // namespace Fortran::runtime::typeInfo
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