[llvm-dev] RFC: Killing undef and spreading poison

Joerg Sonnenberger via llvm-dev llvm-dev at lists.llvm.org
Wed Oct 19 06:12:34 PDT 2016


On Wed, Oct 19, 2016 at 03:44:05PM +0300, Bruce Hoult via llvm-dev wrote:
> I'm curious. Where is it defined that memcpy is byte by byte not, for
> example, bit by bit? Why is the destination not identical to the source,
> with exactly the same bits poison?

The fundamental unit in C is a char.

Joerg


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