[LLVMbugs] [Bug 22074] Redundant copy in reduction loop

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=22074

Michael Kuperstein <michael.m.kuperstein at intel.com> changed:

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

--- Comment #1 from Michael Kuperstein <michael.m.kuperstein at intel.com> ---
I'm not sure what exactly changed in the interim, but the coalescer now does a
better job, and with top of trunk, we're getting:

.LBB0_1:
        movzwl  (%edx), %esi
        addl    $2, %edx
        addl    %esi, %eax
        cmpl    %edx, %ecx
        jne     .LBB0_1

As expected.

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