[llvm] [InstCombine] Canonicalize complex boolean expressions into ~((y | z) ^ x) via 3-input truth table (PR #149530)

[Yingwei Zheng via llvm-commits]

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@@ -0,0 +1,398 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=instcombine -S | FileCheck %s
+; Tests for GitHub issue #97044 - Boolean expression canonicalization
+define i32 @test0_4way_or(i32 %x, i32 %y, i32 %z) {
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dtcxzyw wrote:

Can you add some vector tests?


https://github.com/llvm/llvm-project/pull/149530