binaryen [OptimizeInstructions] Combine binary shift operations joined by Or, And, Xor

[OptimizeInstructions] Combine binary shift operations joined by Or, And, Xor

Open MaxGraey opened this issue 3 years ago • 3 comments

(x  << z) op (y  << z)   ->   (x op y) << z
(x  >> z) op (y  >> z)   ->   (x op y) >> z
(x >>> z) op (y >>> z)   ->   (x op y) >>> z

where op is |, &, ^

Nov 18 '21 12:11 MaxGraey

Fuzzed ITERATION: 19526

Nov 18 '21 17:11 MaxGraey

@kripken Could you take a look please?

Jun 10 '22 20:06 MaxGraey

@kripken could you take a look at recent changes please?

Jun 28 '22 13:06 MaxGraey