Files
clang-p2996/llvm/test/CodeGen/WebAssembly
Samuel Parker bbdf243579 [DAGCombine] Fold redundant select
If a chain of two selects share a true/false value and are controlled
by two setcc nodes, that are never both true, we can fold away one of
the selects. So, the following:
(select (setcc X, const0, eq), Y,
  (select (setcc X, const1, eq), Z, Y))

Can be combined to:
  select (setcc X, const1, eq) Z, Y

Differential Revision: https://reviews.llvm.org/D142535
2023-02-02 09:43:21 +00:00
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