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