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Optimize isdefined on normal objects in codegen #19334

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merged 1 commit into from
Nov 17, 2016
Merged

Optimize isdefined on normal objects in codegen #19334

merged 1 commit into from
Nov 17, 2016

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yuyichao
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We can do constant folding on isdefined in type inference too but I doubt it's very useful.

Not sure if we have benchmarks that are sensitive to this.
@nanosoldier runbenchmarks(ALL, vs=":master")

@yuyichao yuyichao added compiler:codegen Generation of LLVM IR and native code performance Must go faster labels Nov 15, 2016
@StefanKarpinski
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What's the beneficial effect of this? Faster codegen?

@nanosoldier
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Your benchmark job has completed - possible performance regressions were detected. A full report can be found here. cc @jrevels

@yuyichao
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Any use of "isdefined on normal objects" in general?

@yuyichao yuyichao merged commit ec26f3c into master Nov 17, 2016
@yuyichao yuyichao deleted the yyc/codegen/isdefined branch November 17, 2016 13:18
@JeffBezanson JeffBezanson mentioned this pull request Jan 9, 2017
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@JeffBezanson JeffBezanson JeffBezanson approved these changes

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@yuyichao @StefanKarpinski @nanosoldier @JeffBezanson