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2005-03-21Make the first operand of this method be modifiable.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20730 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21add a methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20729 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21If merging two calls like: foo(A) and bar(B, C), make sure the result has twoChris Lattner
arguments, not one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20728 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21'note to self'Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20727 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21Remove a bunch of cruft and dead code for handling the case when types wereChris Lattner
defined in function constant pools. The assembler grammar has long disallowed functions from having constant pools, so all of this stuff is dead. This makes it an immediate error for functions to refer to nonexisting types, fixing Regression/Verifier/2005-03-21-UndefinedTypeReference.ll. Before, references to non-existing types in functions would only be detected when the subsequent function was parsed, due to the call to "ResolveTypes". "ResolveTypes" has not resolved any types for a long time, instead it emitted an error message if no resolved types are left. Since the only caller of this method is in the module code, just inline it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20726 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21New testcase that the assembler incorrectly accepts.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20725 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21Make this method non-const. Making it const causes the const version ofTanya Lattner
getIGroup to be called instead of the non-const one. These two methods have (??) different behavior, so this change fixes bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20724 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21Change the way that the TD pass inlines graphs. Instead of inlining eachChris Lattner
graph into all of the functions it calls when we visit a graph, change it so that the graph visitor inlines all of the callers of a graph into the current graph when it visits it. While we're at it, inline global information from the GG instead of from each of the callers. The GG contains a superset of the info that the callers do anyway, and this way we only need to do it one time (not one for each caller). This speeds up the TD pass substantially on several programs, and there is still room for improvement. For example, the TD pass used to take 147s on perlbmk, it now takes 36s. On povray, we went from about 5s to 1.97s. 134.perl is down from ~1s for Loc+BU+TD to .6s. The TD pass needs a lot of improvement though, which will occur with later patches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20723 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21rename a method add a data structure.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20722 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-21Provide a guaranteed definition of intptr_t. Thansk to Evan Jones forChris Lattner
pointing this out! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20721 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Don't strip modref bits when inlining down the call graph. This fixesChris Lattner
the DSGraph/2003-06-30-TopDownResolve.ll regression from last night. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20717 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Remove the ability to keep track of inlined globals, which is always dead.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20716 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Remove the InlinedGlobals set which is always empty.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20715 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20This call is always a noop, remove it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20714 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20remove some pointless assertsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20713 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20-steens doesn't use the inlined globals facility.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20712 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Build EC's for globals twice. The first is after constructing the initialChris Lattner
Globals Graph for the local pass, the second is after all of the locals graphs have been constructed. This allows for many additional global EC's to be recognized that weren't before. This speeds up analysis of programs like 177.mesa, where it changes DSA from taking 0.712s to 0.4018s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20711 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Add a new DSNode::removeGlobal method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20710 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20add a methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20709 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Transform BU pass to not use the horrible DSCallSiteIterator class.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20708 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Implement new methods for dealing with DSNode global lists, rename uses ofChris Lattner
old methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20707 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20use simpler methods.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20706 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20method was renamed.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20705 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20print out equiv class info.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20704 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20some methods got renamedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20703 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20Make use of simpler DSNode methods.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20702 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20rename some methods and add some new methods for dealing with the globals listChris Lattner
in a DSNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20701 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20#ifdef out a function only used by #ifdef'd code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20700 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-20comment cleanupChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20699 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Constant-propagate the value of `isL' variable and eliminate it.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20698 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Silence VC++ warning about mixing intptr_t and bool, and about unused ↵Jeff Cohen
variable isL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20697 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Create an equivalence class of global variables that DSA will never be ableChris Lattner
to tell apart anyway, and only track the leader for of these equivalence classes in our graphs. This dramatically reduces the number of GlobalValue*'s that appear in scalar maps, which A) reduces memory usage, by eliminating many many scalarmap entries and B) reduces time for operations that need to execute an operation for each global in the scalar map. As an example, this reduces the memory used to analyze 176.gcc from 1GB to 511MB, which (while it's still way too much) is better because it doesn't hit swap anymore. On eon, this shrinks the local graphs from 14MB to 6.8MB, shrinks the bu+td graphs of povray from 50M to 40M, shrinks the TD graphs of 130.li from 8.8M to 3.6M, etc. This change also speeds up DSA on large programs where this makes a big difference. For example, 130.li goes from 1.17s -> 0.56s, 134.perl goes from 2.14 -> 0.93s, povray goes from 15.63s->7.99s (!!!). This also apparently either fixes the problem that caused DSA to crash on perlbmk and gcc, or it hides it, because DSA now works on these. These both take entirely too much time in the TD pass (147s for perl, 538s for gcc, vs 7.67/5.9s in the bu pass for either one), but this is a known problem that I'll deal with later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20696 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Make each scalar map contain a reference to an equivalence class of globalChris Lattner
variables. Do not insert a global into the scalar map unless it is the leader of its equivalence class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20695 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Each DS collection now contains an equivalence class of globals values.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20694 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19add a method to clear globals from a nodeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20693 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Two fixes for the copy ctor/operator=:Chris Lattner
1. Make sure to clear() 'this' before adding elements to it 2. Make sure that the leaders of the RHS EC are the leaders of the LHS EC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20692 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19add some methods, fix a major bug in getLeader() that was causing things toChris Lattner
not be unified correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20691 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19implement a proper copy ctor, operator= and add a helper method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20690 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Fix the 3 regressions last night, due to my buggy patch from yesterday.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20689 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Add new function getPtrPtrFromArrayPtr().Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20684 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Stop using deprecated interface.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20679 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Switch to use the new interface for the EquivalenceClasses class, and fixChris Lattner
a bug involving SCC's who have multiple members that are part of an EC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20678 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-19Rewrite this class, making the following improvements:Chris Lattner
1. It now actually uses tarjan's algorithm, so it is a efficient inverse ackerman's function for union operations, not linear time. 2. It now stores one copy of the data in the set instead of two. 3. It now works for elements other than pointers. 4. It now has a more STL-like interface that exposes iterators instead of internal implementation details. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20677 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18do not bother inlining nullary functions without return values. The onlyChris Lattner
effect these calls can have is due to global variables, and these passes all use the globals graph to capture their effect anyway. This speeds up the BU pass very slightly on perlbmk, reducing the number of dsnodes allocated from 98913 to 96423. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20676 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18fix a bogus assertionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20675 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18another fastpathChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20674 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18remove use of getPrev() and getNext() on ilist nodes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20673 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18expose this pass to both opt and analyzeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20672 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18We shall have IA64 as a new experimental backend released with LLVM 1.5Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20671 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-18remove a bogus optimization. This only works if there are no globals in theChris Lattner
graph, and the combination of a function that does not reference globals, takes not arguments and returns no value is pretty rare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20670 91177308-0d34-0410-b5e6-96231b3b80d8
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