Commit Graph

55 Commits

Author SHA1 Message Date
Michael Gottesman
7b599597ca Move createSwiftAliasAnalysisPass from LLVMARCOpts.cpp => LLVMSwiftAA.cpp
Swift SVN r22813
2014-10-17 08:29:28 +00:00
Justin Bogner
5cac4f4d25 LLVMPasses: Replace some assert(0)'s with llvm_unreachable
These would fall through in a no-asserts build.

Swift SVN r22810
2014-10-17 05:18:39 +00:00
Arnold Schwaighofer
d55ba9959d LLVMARC: Don't bail on obj_retain/release or unknown_retain/release
We can remove objc_retain/releases just like swift ones.

Results -O where SU = minbefore/minafter (10 samples):

TEST`````````````````MIN``MAX``MEAN`SD```MED``MIN``MAX``MEAN`SD```MED````SU
ClassArrayGetter`````1931`1943`1938`4````1940`1143`1158`1150`5````1153```1.68
DeltaBlue````````````3434`3450`3439`4````3441`2906`2932`2913`7````2911```1.18
Dictionary```````````5616`5933`5755`112``5748`5291`5713`5515`140``5563```1.06
PopFrontArray````````103``109``104``1````104``96```99```96```1````96`````1.07
PopFrontArrayGeneric`102``106``103``1````103``95```98```96```1````96`````1.07
PrimeNum`````````````4098`7552`5953`1164`6319`4496`8653`6336`1210`6639```0.91
QuickSort````````````6380`6415`6396`11```6398`6071`6115`6086`13```6082```1.05
Rectangles```````````2277`2377`2322`31```2320`1636`1682`1657`12```1655```1.39
StrCat```````````````2811`2849`2825`12```2822`2487`2516`2501`12```2505```1.13
StringWalk```````````5784`5797`5790`4````5790`6124`6137`6129`4````6127```0.94

Swift SVN r22695
2014-10-12 22:57:21 +00:00
Arnold Schwaighofer
1ee1b40dae LLVMARCOpts: We can move retains across an objc_retain.
Teach LLVMARCOpts about swift_unknownRetain and that we can move retains accross
objc_retains.

This recovers the performance we lost (see rdar below) due to making retain
sinking more aggressive.

ClassArrayGetter```````,``581.00````,``488.00````,``92.00```,````````18.9%
Rectangles`````````````,``618.00````,``552.00````,``71.00```,````````13.0%

rdar://18337069

Swift SVN r21999
2014-09-16 23:51:27 +00:00
Michael Gottesman
1f9e654def Split lib/LLVMPasses/Passes.cpp into LLVMARCOpts.cpp and LLVMSwiftAA.cpp.
Swift SVN r21655
2014-09-02 21:14:21 +00:00