[all-commits] [llvm/llvm-project] 41aab9: [InstCombine] bitcast(logic(bitcast(X), bitcast(Y)...

[ZCBing via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 41aab93afc23e8f338c3617161e42d7ff54da74b
      https://github.com/llvm/llvm-project/commit/41aab93afc23e8f338c3617161e42d7ff54da74b
  Author: Chenbing Zheng <Chenbing.Zheng at streamcomputing.com>
  Date:   2022-05-26 (Thu, 26 May 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
    M llvm/test/Transforms/InstCombine/bitcast-inseltpoison.ll
    M llvm/test/Transforms/InstCombine/bitcast.ll

  Log Message:
  -----------
  [InstCombine] bitcast(logic(bitcast(X), bitcast(Y))) -> bitcast'(logic(bitcast'(X), Y))

This patch break foldBitCastBitwiseLogic limite the destination
must have an integer element type, and eliminate one bitcast by
doing the logic op in the type of the input that has an integer
element type.

Reviewed By: spatel

Differential Revision: https://reviews.llvm.org/D126184