Displaying 1 result from an estimated 1 matches for "9c9ef11f".
2015 Nov 02
2
How to prevent registers from spilling?
That breaks the whole IR idea of using alloca to allocate/denote space for local variables, and then optimize those
into SSA values when optimization proves that is OK.
Also, for a lot of things, that attribute is simply impossible to implement. Any value that is live across a call needs to be spilled to memory.
You cannot put an unspillable value in a callee preserved register, because you