[llvm-commits] [llvm] r150060 - in /llvm/trunk: include/llvm/IntrinsicsX86.td lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86InstrSSE.td

[David A. Greene]

Eric Christopher <echristo at apple.com> writes:

>> Whether generic IR is a "win" isn't the primary issue here.  The issue
>> is that the user wrote code using intrinsics and expects that exact code
>> to be in the asm.  Whether or not that is the best performing code
>> possible doesn't matter.  It's what they want and we have to respect it.
>> Our customers demand it.
>
> Then make the generic IR match what you think should happen. I see no win
> for anyone with this.

There is no way to do that.  It's generic.  By definition passes can
change it.

You see no benefit even though I have directly stated that their
existance and use is critically important to us?

Maybe no benefit for Apple, but we are not Apple.

                               -Dave