[LLVMdev] IO intrinsics?

[Hans Stimer]

I found these lines in the BrainF example:


  //declare i32 @getchar()
  getchar_func = cast<Function>(module->
    getOrInsertFunction("getchar", IntegerType::getInt32Ty(C), NULL));

  //declare i32 @putchar(i32)
  putchar_func = cast<Function>(module->
    getOrInsertFunction("putchar", IntegerType::getInt32Ty(C),
                        IntegerType::getInt32Ty(C), NULL));




Since getchar and putchar are never defined, I'm assuming they are
intrinsics, but they are not documented with the rest of the intrinsics. So
are they intrinsics or something else?
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