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[cilk2c_inlined] Add dummy function to prevent LLVM's optimizer from … #42

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Jan 17, 2025
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[cilk2c_inlined] Add dummy function to prevent LLVM's optimizer from … #42

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10 changes: 10 additions & 0 deletions runtime/cilk2c_inlined.c
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Original file line number Diff line number Diff line change
Expand Up @@ -371,6 +371,16 @@ __cilk_helper_epilogue_exn(__cilkrts_stack_frame *sf,
__cilkrts_pause_frame(sf, parent, exn, spawner);
}

// Internal helper function to ensure the __cilkrts_stack_frame type is present
// in the bitcode file. Does not end up in compiled Cilk code nor the OpenCilk
// runtime library.
CHEETAH_INTERNAL __cilkrts_stack_frame
__internal_preserve_stack_frame_type_helper(void) {
__cilkrts_stack_frame sf;
__cilkrts_enter_frame(&sf);
return sf;
}

/// Computes a grainsize for a cilk_for loop, using the following equation:
///
/// grainsize = min(2048, ceil(n / (8 * nworkers)))
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