[llvm-commits] [llvm] r163302 - in /llvm/trunk: lib/Transforms/Utils/SimplifyCFG.cpp test/Transforms/SimplifyCFG/switch_create.ll test/Transforms/SimplifyCFG/switch_to_lookup_table.ll

[Nadav Rotem]

On Sep 10, 2012, at 11:18 AM, Duncan Sands <baldrick at free.fr> wrote:

> alternatively, how about removing the select instruction from the IR
> altogether?  Maybe "select" really belongs in codegen only...


I think that 'select' does belong in the IR.  It provides a nice abstraction for a commonly used pattern, and many optimizations rely on it.  Moreover, the vector variant of select is very important for vectorization (blending of values).  
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