Walter's talk on D backend

Walter Bright newshound2 at digitalmars.com
Thu Sep 26 13:39:15 UTC 2024


On 9/25/2024 12:31 PM, claptrap wrote:
> If multiple nodes in the tree can point to the same shared state, IE variables, 
> then it's not actually like SSA.

They don't.

Only after all other DFA is complete does the compiler do common subexpressions, 
and the common subexpressions create trees with multiple parents.



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