| Commit message (Collapse) | Author | Age | Files | Lines |
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Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
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Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
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Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
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Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
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of MoveChild, CheckSame, MoveParent. Saves 846 bytes from the X86 DAG isel matcher, ~300 from ARM, ~840 from Hexagon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192026 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191941 91177308-0d34-0410-b5e6-96231b3b80d8
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of MoveChild, CheckSame, MoveParent. Saves 846 bytes from the X86 DAG isel matcher, ~300 from ARM, ~840 from Hexagon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191940 91177308-0d34-0410-b5e6-96231b3b80d8
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for each individual case of SwitchOpcode/Type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191181 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174390 91177308-0d34-0410-b5e6-96231b3b80d8
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I've tried to find main moudle headers where possible, but the TableGen
stuff may warrant someone else looking at it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169251 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164002 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160463 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149814 91177308-0d34-0410-b5e6-96231b3b80d8
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This is the first step towards splitting LLVM and Clang's tblgen executables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
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structure and fix some fixmes. We now have a TreePredicateFn class
that handles all of the decoding of these things. This is an internal
cleanup that has no impact on the code generated by tblgen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129670 91177308-0d34-0410-b5e6-96231b3b80d8
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CodeGenRegister entries. Use this information to more intelligently build
the literal register entires in the DAGISel matcher table. Specifically,
use a single-byte OPC_EmitRegister entry for registers with a value of
less than 256 and OPC_EmitRegister2 entry for registers with a larger value.
rdar://9066491
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127456 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126733 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126731 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122509 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122507 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122506 91177308-0d34-0410-b5e6-96231b3b80d8
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that complex patterns are matched after the entire pattern has
a structural match, therefore the NodeStack isn't in a useful
state when the actual call to the matcher happens.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114489 91177308-0d34-0410-b5e6-96231b3b80d8
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matched, allow ComplexPatterns to opt into getting the parent node
of the operand being matched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114472 91177308-0d34-0410-b5e6-96231b3b80d8
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passed the root of the match, even though only a few patterns
actually needed this (one in X86, several in ARM [which should
be refactored anyway], and some in CellSPU that I don't feel
like detangling). Instead of requiring all ComplexPatterns to
take the dead root, have targets opt into getting the root by
putting SDNPWantRoot on the ComplexPattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114471 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110422 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105970 91177308-0d34-0410-b5e6-96231b3b80d8
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comment in the generated table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99794 91177308-0d34-0410-b5e6-96231b3b80d8
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1, 1 cases which are by-far the most frequent. This shrinks the X86
isel table from 77014 -> 74657 bytes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99740 91177308-0d34-0410-b5e6-96231b3b80d8
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the index comments nested under OPC_SwitchOpcode were off by one.
This fixes the comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99722 91177308-0d34-0410-b5e6-96231b3b80d8
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bytes instead of one byte. This is important because
we're running up to too many opcodes to fit in a byte
and it is aggrevated by FIRST_TARGET_MEMORY_OPCODE
making the numbering sparse. This just bites the
bullet and bloats out the table. In practice, this
increases the size of the x86 isel table from 74.5K
to 76K. I think we'll cope :)
This fixes rdar://7791648
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99494 91177308-0d34-0410-b5e6-96231b3b80d8
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in some more places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99366 91177308-0d34-0410-b5e6-96231b3b80d8
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we sometimes emit nodes multiple times to string buffers to size them.
Compute the histogram correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97708 91177308-0d34-0410-b5e6-96231b3b80d8
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as the very last thing before node emission. This should
dramatically reduce the number of times we do 'MatchAddress'
on X86, speeding up compile time. This also improves comments
in the tables and shrinks the table a bit, now down to
80506 bytes for x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97703 91177308-0d34-0410-b5e6-96231b3b80d8
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numbers a ComplexPat will match into.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97696 91177308-0d34-0410-b5e6-96231b3b80d8
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SwitchOpcodeMatcher) and have DAGISelMatcherOpt form it. This
speeds up selection, particularly for X86 which has lots of
variants of instructions with only type differences.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97645 91177308-0d34-0410-b5e6-96231b3b80d8
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stuff now that we don't care about emulating the old broken
behavior of the old isel. This eliminates the
'CheckChainCompatible' check (along with IsChainCompatible) which
did an incorrect and inefficient scan *up* the chain nodes which
happened as the pattern was being formed and does the validation
at the end in HandleMergeInputChains when it forms a structural
pattern. This scans "down" the graph, which means that it is
quickly bounded by nodes already selected. This also handles
token factors that get "trapped" in the dag.
Removing the CheckChainCompatible nodes also shrinks the
generated tables by about 6K for X86 (down to 83K).
There are two pieces remaining before I can nuke PreprocessRMW:
1. I xfailed a test because we're now producing worse code in a
case that has nothing to do with the change: it turns out that
our use of MorphNodeTo will leave dead nodes in the graph
which (depending on how the graph is walked) end up causing
bogus uses of chains and blocking matches. This is really
bad for other reasons, so I'll fix this in a follow-up patch.
2. CheckFoldableChainNode needs to be improved to handle the TF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97539 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97527 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97517 91177308-0d34-0410-b5e6-96231b3b80d8
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now that it is gone.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97516 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97472 91177308-0d34-0410-b5e6-96231b3b80d8
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isel (defaults it to generate comments).
This reduces the size of the generated source file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97470 91177308-0d34-0410-b5e6-96231b3b80d8
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ComplexPattern at the root be generated multiple times, once
for each opcode they are part of. This encourages factoring
because the opcode checks get treated just like everything
else in the matcher.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97439 91177308-0d34-0410-b5e6-96231b3b80d8
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to a scope where every child starts with a CheckOpcode, but
executes more efficiently. Enhance DAGISelMatcherOpt to
form it.
This also fixes a bug in CheckOpcode: apparently the SDNodeInfo
objects are not pointer comparable, we have to compare the
enum name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97438 91177308-0d34-0410-b5e6-96231b3b80d8
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slot they're recording into, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97433 91177308-0d34-0410-b5e6-96231b3b80d8
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dispatcher method. This eliminates the dependence of the new isel's
generated code on the old isel's predicates, however some random
hand written isel code still uses them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97431 91177308-0d34-0410-b5e6-96231b3b80d8
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the vtlist for emitnode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97429 91177308-0d34-0410-b5e6-96231b3b80d8
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warnings in release-assert builds if there were no cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97428 91177308-0d34-0410-b5e6-96231b3b80d8
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immediate sizes into the opcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97423 91177308-0d34-0410-b5e6-96231b3b80d8
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specifies whether there is an output flag or not. Use this
instead of redundantly encoding the chain/flag results in the
output vtlist.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97419 91177308-0d34-0410-b5e6-96231b3b80d8
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is just a silly wrapper around MorphNodeTo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97416 91177308-0d34-0410-b5e6-96231b3b80d8
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