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2010-02-28Generalize my hack to use SDNodeInfo to find out when aChris Lattner
node is always guaranteed to have a particular type instead of hacking in ISD::STORE explicitly. This allows us to use implied types for a broad range of nodes, even target specific ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97355 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27The mayHaveSideEffects flag is no longer used.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97348 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27change CheckOpcodeMatcher to hold the SDNodeInfo instead ofChris Lattner
the opcode name. This gives the optimizer more semantic info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97346 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27add another case from the ppc backend. This is obviously a huge andChris Lattner
dissatisfying hack. TODO: Improve it. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27fix logic in DEBUG.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97315 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27teach the optimizer that opcode == ISD::STORE is contradictoryChris Lattner
with getType() == MVT::i32 etc. Teach it that two different integer constants are contradictory. This cuts 1K off the X86 table, down to 98k git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97314 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27Teach the grouper some simple tricks about looking contradictoryChris Lattner
predicates. For example if we have: Scope: CheckType i32 ABC CheckType f32 DEF CheckType i32 GHI Then we know that we can transform this into: Scope: CheckType i32 Scope ABC GHI CheckType f32 DEF This reorders the check for the 'GHI' predicate above the check for the 'DEF' predidate. However it is safe to do this in this situation because we know that a node cannot have both an i32 and f32 type. We're now doing more factoring that the old isel did. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97312 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27use DEBUG instead of DebugFlag directly so that thisChris Lattner
respects -debug-only=something-else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97307 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27implement a new optimization to sink pattern predicates (like isSSE1) Chris Lattner
as deeply into the pattern as we can get away with. In pratice, this means "all the way to to the emitter code, but not across ComplexPatterns". This substantially increases the amount of factoring we get. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Fix grammaro in a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97273 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Add Revision keywords to these files, as it's common for them to beDan Gohman
copied out of the source tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Improve the vim code for highlighting trailing whitespace and linesDan Gohman
longer than 80 columns. This replaces the heavy-handed "textwidth" mechanism, and makes the trailing-whitespace highlighting lazy so that it isn't constantly jumping on the user during typing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97267 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Add the alignstack keyword.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97264 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Remove bogus Updated line.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97263 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26add some helpful comments to the emitterChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26switch from my nice hashtable based merging solution to aChris Lattner
gross little neighbor merging implementation. This one has the benefit of not violating the ordering of patterns, so it generates code that passes tests again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97218 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26fix same bug in CheckChainCompatibleMatcher::isEqualImplChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97217 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26fix a nasty bug in CheckTypeMatcher::isEqualImplChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97216 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26finish off the factoring optimization along the lines of the Chris Lattner
current design. This generates a matcher that successfully runs, but it turns out that the factoring we're doing violates the ordering of patterns, so we end up matching (e.g.) movups where we want movaps. This won't due, but I'll address this in a follow on patch. It's nice to not be on by default yet! :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97215 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26add a new setNumChildren method for resizing scopes. Tweak getHash() soChris Lattner
that we never return a tombstone value, which (thankfully) triggers an assert in densemap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97214 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25change the scope node to include a list of children to be checkedChris Lattner
instead of to have a chained series of scope nodes. This makes the generated table smaller, improves the efficiency of the interpreter, and make the factoring optimization much more reasonable to implement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97160 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25Add the union keyword.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97155 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25Add simple script for finding most-recent-rev-before-N in a git-svn repo; usefulDaniel Dunbar
when bisecting multiple repos in sync. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97150 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25Implement the first half of redundancy factoring: efficiently Chris Lattner
splitting all the patterns under scope nodes into equality sets based on their first node. The second step is to rewrite the graph info a form that exposes the sharing. Before I do this, I want to redesign the Scope node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97130 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25factor the print method better.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25add methods to do equality checks and get hashes of MatchersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97123 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25formatting.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97097 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25rename fooMatcherNode to fooMatcher.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97096 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25add some noop code to push it out of my tree.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97094 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25rename PushMatcherNode -> ScopeMatcherNode to more accuratelyChris Lattner
reflect what it does. Switch the sense of the Next and the Check arms to be more logical. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25Filter the future all-of-llvm shared library out of the llvm-configJeffrey Yasskin
results. I'm checking this in before the shared library so that I can tell if it breaks anything on its own. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97089 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25add a fixme for an experiment that defeated me for the time being.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97081 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24contract movechild+checktype into a new checkchild node, shrinking theChris Lattner
x86 table by 1200 bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97053 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24split the movechild/record/moveparent -> recordchild optzn into aChris Lattner
movechild/record -> recordchild/movechild and movechild/moveparent -> noop xforms. This slightly shrinks the tables (x86 to 117454) and enables adding future improvements. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97051 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24emit a histogram of the opcodes in comments.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24lets not break the old isel.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24Since the new instruction selector now works, I don't need to keepChris Lattner
the old one around for comparative purposes: have the ENABLE_NEW_ISEL #define (which is not enabled on mainline) stop emitting the old isel at all, yay for build time win. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24implement a simple proof-of-concept optimization forChris Lattner
the new isel: fold movechild+record+moveparent into a single recordchild N node. This shrinks the X86 table from 125443 to 117502 bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24The new isel passes all tests, time to start making it go fast.Chris Lattner
Also add an easy macro at the top of DAGISelEmitter.cpp to enable it. Lets see if I can avoid accidentally turning it on :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97029 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24The new isel was not properly handling patterns that coveredChris Lattner
internal nodes with flag results. Record these with a new OPC_MarkFlagResults opcode and use this to update the interior nodes' flag results properly. This fixes CodeGen/X86/i256-add.ll with the new isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97021 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24Changed the table generator so that the X86Sean Callanan
disassembler never recognizes InitReg instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97017 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Trailing whitespace.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96923 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Implement order-preserving option forwarding.Mikhail Glushenkov
Needed to correctly handle things like 'llvmc -framework Foo foo.o -framework Bar bar.o' - before this commit all '-framework' options would've been grouped together in the beginning. Due to our dependence on CommandLine this turned out to be a giant hack; we will migrate away from CommandLine eventually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96922 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Correct option forwarding: initial implementation.Mikhail Glushenkov
Does not work, but the infrastructure changes are in place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23New experimental/undocumented feature: 'works_on_empty'.Mikhail Glushenkov
For now, just enough support to make -filelist work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96918 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Add a way to enable '-opt=foo' forwarding.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96916 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Eliminate llvmgcc_version testing variable.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96908 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Kill unused llvmgccmajvers testing variable.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96906 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23add some #if 0'd out code for checking that named values in Chris Lattner
input/output patterns have the same type. It turns out that this triggers all the time because we don't infer types between these boundaries. Until we do, don't turn this on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96905 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Reject patterns that use a name multiple times in the src or resultChris Lattner
of a pattern and where the uses have different types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96904 91177308-0d34-0410-b5e6-96231b3b80d8
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