[llvm-commits] [llvm] r119857 - /llvm/trunk/test/Transforms/CodeGenPrepare/phi.ll

[Duncan Sands]

>> Add a test for CodeGenPrepare's ability to look through PHI nodes when performing
>> addressing mode folding, introduced in r119853.
>
> I think this should be done by boosting the power of InstructionSimplify
> (see SimplifyPHINode) to use isIdenticalTo instead.

Actually it's not so simple.  But as the IR optimizers happily clear this up, I
don't understand why you are doing this in codegen.

Ciao,

Duncan.