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2016 Mar 09
3
Where is opt spending its time?
I am trying to improve my application's compile-time performance. On a given workload, I take 68 seconds to compile some code. If I disable the LLVM code generation (i.e. I will generate IR instructions, but skip the LLVM optimization and instruction selection steps) then my compile time drops to 3 seconds. If I write out the LLVM IR (just to prove that I am generating it) then my compile