[llvm-bugs] [Bug 41495] Suboptimal codegen: (x << 1) | 1 results in LEA+ADD while could be just LEA

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41495

Craig Topper <craig.topper at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
             Status|NEW                         |RESOLVED

--- Comment #1 from Craig Topper <craig.topper at gmail.com> ---
This is intentional. According to Intel's optimization manuals "lea eax,
[rdi+1+rdi]" is slower than "lea eax, [rdi+rdi], add eax, 1"

*** This bug has been marked as a duplicate of bug 41301 ***

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