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path: root/lib/Target/README.txt
AgeCommit message (Expand)Author
2012-12-13Remove two popcount patterns which we are already able to recognize.Shuxin Yang
2012-10-08Move TargetData to DataLayout.Micah Villmow
2012-08-19Fabs folding is implemented.Benjamin Kramer
2012-07-23Test revert of test changes.Micah Villmow
2012-07-23Test commit.Micah Villmow
2012-06-23Add a microoptimization note.Benjamin Kramer
2012-04-12Remove README entry obsoleted by register masks.Benjamin Kramer
2012-03-28Add another note about a missed compare with nsw arithmetic instcombine.Benjamin Kramer
2012-03-27Add a note about a cute little fabs optimization.Benjamin Kramer
2012-03-27Add two missed instcombines related to compares with nsw arithmetic.Benjamin Kramer
2011-09-07Add two notes for correlated-expression optimizations.Benjamin Kramer
2011-07-14Don't emit a bit test if there is only one case the test can yield false. A s...Benjamin Kramer
2011-06-13InstCombine: Fold A-b == C --> b == A-C if A and C are constants.Benjamin Kramer
2011-05-23clarify this, apparently it is confusing :)Chris Lattner
2011-05-22add a note.Chris Lattner
2011-05-22move PR9408 here.Chris Lattner
2011-04-26Transform: "icmp eq (trunc (lshr(X, cst1)), cst" to "icmp (and X, mask), cst"Chris Lattner
2011-04-25add a missed bitfield instcombine.Chris Lattner
2011-04-22DAGCombine: fold "(zext x) == C" into "x == (trunc C)" if the trunc is lossless.Benjamin Kramer
2011-04-14add a minor missed dag combine that is blocking mid-level optimizationChris Lattner
2011-03-25Add a note.Benjamin Kramer
2011-03-22A bit more analysis of a memset-related README entry.Eli Friedman
2011-03-21This README entry was fixed recently.Eli Friedman
2011-03-01add a noteChris Lattner
2011-02-26Add some DAGCombines for (adde 0, 0, glue), which are useful to optimize lega...Benjamin Kramer
2011-02-21add a missed loop deletion case.Chris Lattner
2011-02-21add an idiom that loop idiom could theoretically catch.Chris Lattner
2011-02-17This has been implemented.Duncan Sands
2011-02-17add some notes on compares + binops. Remove redundant entries.Chris Lattner
2011-02-16Add a few missed xforms from GCC PR14753Chris Lattner
2011-02-16Remove outdated README entry.Eli Friedman
2011-02-16Remove outdated README entry.Eli Friedman
2011-02-16Update README entry.Eli Friedman
2011-02-06Remove a virtual inheritance case that clang can devirtualize fully now.Anders Carlsson
2011-02-02SimplifyCFG: Turn switches into sub+icmp+branch if possible.Benjamin Kramer
2011-01-31add a note, progress unblocked by PR8575 being fixed.Chris Lattner
2011-01-30Teach DAGCombine to fold fold (sra (trunc (sr x, c1)), c2) -> (trunc (sra x, ...Benjamin Kramer
2011-01-24this isn't a memset, we do convert dest[i] to one though :)Chris Lattner
2011-01-24with recent work, we now optimize this into:Chris Lattner
2011-01-23Add a memset loop that LoopIdiomRecognize doesn't recognize.Anders Carlsson
2011-01-18add a noteChris Lattner
2011-01-16Update README.txt to remove the DAE enhancement.Anders Carlsson
2011-01-16add some commentaryChris Lattner
2011-01-16Simplify a README.txt entry significantly to expose the core issue.Chandler Carruth
2011-01-13typoChris Lattner
2011-01-13memcpy + metadata = bliss :)Chris Lattner
2011-01-11Teach constant folding to perform conversions from constant floatingChandler Carruth
2011-01-11Fix a random missed optimization by making InstCombine more aggressive when d...Owen Anderson
2011-01-10+0.0 vs -0.0 differences can be handled by looking at the user of theChris Lattner
2011-01-10expand on a noteChris Lattner