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2007-08-09Update per review comments.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40965 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09Make NonLocal and None const in the right way. :-)Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40961 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09Traverse loop blocks' terminators to find split candidates.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40960 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09long double 9 of N. This finishes up the X86-32 bitsDale Johannesen
(constants are still not handled). Adds ConvertActions to control fp-to-fp conversions (these are currently defaulted for all other targets, so no changes there). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09Fix arguments for some Altivec instructions. From SWB.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40957 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08If a target really needs to custom lower constants, it should be allowedScott Michel
to do so. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40955 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Add more comments to memdep.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40953 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Add cost analysis.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40952 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Make memdep fit in 80 cols.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40950 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Preserve dom info while processing one iteration loop.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40947 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Change the None and NonLocal markers in memdep to be const.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40946 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Clear split info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40944 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Handle multiple split conditions.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40941 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Make getSTDIN return null if the standard input is empty, as the header fileReid Spencer
documentation implies and as its uses depend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40939 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Allow the filename "-" to be a place holder for stdin. This allows directingReid Spencer
stdin through llvm-ld and llvm-link. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40938 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Global values also don't undead-ify pointers in our dead alloca's set.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40936 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Make handleEndBlock significantly faster with one trivial improvement,Owen Anderson
and one hack to avoid hitting a bad case when the alias analysis is imprecise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40935 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Small improvement: if a function doesn't access memory, we don't need to scanOwen Anderson
it for potentially undeading pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40933 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Add some comments, remove a dead argument, and simplify some control flow.Owen Anderson
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40932 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08eliminate redundant conditions from the signless types conversion.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40927 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Handle functions with no name better.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40926 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Adding kill info to val#.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40925 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08significantly speed up constant folding of calls (and thus all clients that useChris Lattner
ConstantFoldInstruction on calls) by avoiding Value::getName(). getName() constructs and returns an std::string, which does heap allocation stuff. This slightly speeds up instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40924 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Speed up updateDFSNumbers with two observations:Chris Lattner
1. domtree is a tree, not a graph. There is no need to avoid revisiting nodes with a set. 2. the worklist can contain the child iterator pointers so we don't get N^2 rescanning of children. This speeds up updateDFSNumbers significantly, making it basically free. On the testcase in PR1432, this speeds up loopsimplify by another 3x, dropping it from the 12th most expensive pass to the to the 30th. :) It used to be #1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40923 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08A few more small cleanups.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40922 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Clean up and bug fix.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40921 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08reimplement dfs number computation to be significantly faster. This speeds upChris Lattner
natural loop canonicalization (which does many cfg xforms) by 4.3x, for example. This also fixes a bug in postdom dfnumber computation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40920 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08First round of cleanups from Chris' feedback.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40919 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08- Each val# can have multiple kills.Evan Cheng
- Fix some minor bugs related to special markers on val# def. ~0U means undefined, ~1U means dead val#. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40916 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Embrace patch review feedback.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40915 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-08Remove a dead assertion.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40914 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07- LiveInterval value#'s now have 3 components: def instruction #,Evan Cheng
kill instruction #, and source register number (iff the value# is defined by a copy). - Now def instruction # is set for every value#, not just for copy defined ones. - Update some outdated code related inactive live ranges. - Kill info not yet set. That's next patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40913 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Fix new compare instruction's signness. Caught by Chris during review.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40912 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Don't insert nearly as many redundant phi nodes.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40909 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Fix spelling of mtvscr and mfvscr.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40908 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Long double patch 8 of N: make it partially work inDale Johannesen
SSE mode (all but conversions <-> other FP types, I think): >>Do not mark all-80-bit operations as "Requires[FPStack]" (which really means "not SSE"). >>Refactor load-and-extend to facilitate this. >>Update comments. >>Handle long double in SSE when computing FP_REG_KILL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40906 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Use eraseFromParent().Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40903 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Fix comment typoDavid Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40898 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Fix GLIBCXX_DEBUG error triggered by incrementing erased iterator.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40897 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Add a missing forward declaration.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40896 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Initial JIT support for ARM by Raul Fernandes Herbster.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40887 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Long double patch 7 of N, unless I lost count:). Dale Johannesen
Last x87 bits for full functionality (not thoroughly tested, and long doubles do not work in SSE modes at all - use -mcpu=i486 for now) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40886 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Clean up a bunch of caching stuff in memdep. This reduces the time to run GVNOwen Anderson
on 403.gcc from ~15s to ~10s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40884 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-07Begin loop index split pass.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40883 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-06Improve the accuracy of memdep for determining the dependencies of loads.Owen Anderson
This brings GVN to parity with GCSE+LoadVN. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40882 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-06Replace 4-line function with 10-line version per review comment.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40881 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-06Move lengthy conditional down 1 level per review comment.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40878 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-06Get X86 long double calling convention to workDale Johannesen
(on Darwin, anyway). Fix some table omissions for LD arithmetic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40877 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-06regenerateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40875 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-06Fix PR1577, a crash on invalid bug.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40874 91177308-0d34-0410-b5e6-96231b3b80d8
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