[llvm-bugs] [Bug 24669] Invalid optimization on ARM + Neon

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Sep 1 16:56:37 PDT 2015


https://llvm.org/bugs/show_bug.cgi?id=24669

Quentin Colombet <qcolombet at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |qcolombet at apple.com
         Resolution|---                         |FIXED

--- Comment #1 from Quentin Colombet <qcolombet at apple.com> ---
Trunk r246456 generates the right sequence for me:
@ BB#0:                                 @ %entry
    ldr    r12, [r3, #10]
    ldr    r2, [r3, #14]
    vmov    r1, s1
    str    r1, [r3, #14]
    vmov    r1, s0
    str    r1, [r3, #10]
    str    r12, [r0]
    str    r2, [r0, #4]
    mov    r0, #0
    bx    lr

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