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path: root/include/llvm/CodeGen/DAGISelHeader.h
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2010-03-02eliminate CodeGen/DAGISelHeader.h, it is empty now.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97556 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Sink InstructionSelect() out of each target into SDISel, and rename itChris Lattner
DoInstructionSelection. Inline "SelectRoot" into it from DAGISelHeader. Sink some other stuff out of DAGISelHeader into SDISel. Eliminate the various 'Indent' stuff from various targets, which dates to when isel was recursive. 17 files changed, 114 insertions(+), 430 deletions(-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97555 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01remove some functions that were only used by theChris Lattner
old isel generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97522 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28hoist the new isel interpreter out of DAGISelHeader.hChris Lattner
(which gets #included into the middle of each target's DAGISel class) into a .cpp file where it is only compiled once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97425 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28change a few opcodes to use VBRs instead of embeddingChris Lattner
immediate sizes into the opcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97423 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28move all the opcodes out of DAGISelHeader.h (which getsChris Lattner
#included into the middle of each isel class) into a real header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97421 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28resolve a fixme by using hte new flag.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97420 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28enhance the EmitNode/MorphNodeTo operands to take a bit thatChris Lattner
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
2010-02-28enhance the new isel to handle the 'node already exists'Chris Lattner
case of MorphNodeTo directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97417 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28use MorphNodeTo instead of SelectNodeTo. SelectNodeToChris Lattner
is just a silly wrapper around MorphNodeTo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97416 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28enhance the new isel to use SelectNodeTo for most patterns,Chris Lattner
even some the old isel didn't. There are several parts of this that make me feel dirty, but it's no worse than the old isel. I'll clean up the parts I can do without ripping out the old one next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97415 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26fix the matcher in the presence of multiple scopes: we need to saveChris Lattner
and restore the entire matcher stack by value. This is because children we're testing could do moveparent or other things besides just scribbling on additions to the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97212 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
2010-02-25rename 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
2010-02-24fix a bug I introduced by checking the wrong node's VT in OPC_CheckChildXTypeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97074 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
2010-02-24implement 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 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
2010-02-23fix X86/uint_to_fp-2.ll, only fold loads when they have aChris Lattner
single use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97003 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23fix an off-by-one error.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96844 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23switch the value# in OPC_CompleteMatch and OPC_EmitNode to use aChris Lattner
VBR encoding for the insanity being perpetrated by the spu backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96843 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-22add a new Push2 opcode for targets (like cellspu) which haveChris Lattner
ridiculously ginormous patterns and need more than one byte of displacement for encodings. This fixes CellSPU/fdiv.ll. SPU is still doing something else ridiculous though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96833 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-22expand my hack to work with nodes that have flags but no chains and the Chris Lattner
isel doesn't know the correct # results. This fixes 8 codegen tests, down to 22 failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96815 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-22add a new CheckMultiOpcode opcode for checking that a nodeChris Lattner
has one of the list of acceptable opcodes for a complex pattern. This fixes 4 regtest failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-22add some debug hooks for tracking the behavior of the isel.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96812 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-22enhance my hack for flags handling, this allows us to passChris Lattner
CodeGen/X86/pr2182.ll. Down to 13 x86 failures out of ~1100 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96770 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21fix most of the failures in the x86 suite by handling multiple Chris Lattner
result nodes correctly. Note that this includes a horrible hack in DAGISelHeader which cannot be fixed reasonably without eliminating (parallel) from input patterns. That, in turn, can't be done until we support writing multiple result patterns for the X86and_flag and related multiple-result nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96767 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21fix an odd thinko in an assertion, all arm tests pass now.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96758 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21speculatively teach OPC_CheckValueType and OPC_EmitNode to handleChris Lattner
MVT::iPTR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96753 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21teach OPC_CheckType to handle MVT::iPTR, down to 2 ppc failures.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96752 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21make this check a bit more generous, it may be outliving its Chris Lattner
utility. Down to 6 ppc failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96751 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21Relax an assertion a bit. We allow replacing things likeChris Lattner
<4 x i32> with <4 x float> values if they end up the same register class. This gets us up to 231 passes on the ppc tests (only 7 fails). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96750 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21when a match fails and we have to rollback, make sure to keep 'N' in Chris Lattner
sync with the top of stack. This fixes a bunch of failures on larger testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96732 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21handle optional in flags that aren't present.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96731 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21fix two bugs in OPC_EmitRegister, which makes ppc happier.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96728 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21implement the last known missing feature: updating uses of results Chris Lattner
of the matched pattern to use the newly created node results. Onto the "making it actually work" phase! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96724 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-21Lots of improvements to the new dagisel emitter. This gets it toChris Lattner
the point where it is to the 95% feature complete mark, it just needs result updating to be done (then testing, optimization etc). More specificallly, this adds support for chain and flag handling on the result nodes, support for sdnodexforms, support for variadic nodes, memrefs, pinned physreg inputs, and probably lots of other stuff. In the old DAGISelEmitter, this deletes the dead code related to OperatorMap, cleans up a variety of dead stuff handling "implicit remapping" from things like globaladdr -> targetglobaladdr (which is no longer used because globaladdr always needs to be legalized), and some minor formatting fixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96716 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-19add emitter support for integer constants and simple physreg references.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96663 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18add support for referencing registers and immediates,Chris Lattner
building the tree to represent them but not emitting table entries for them yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96617 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Emulate the current isel's "IsChainCompatible" logic for now.Chris Lattner
I'd like to eventually rip it out, but for now producing the same selections as the old matcher is more important. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96458 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17simplify IsChainCompatible codegen, add comments. no Chris Lattner
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96453 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17make the new isel's interpreter loop call the generated Chris Lattner
CheckComplexPattern function. Though it is logically const, I don't have the fortitude to clean up all the targets now, and it not being const doesn't block anything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96426 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16convert the new matcher to check intermediate nodes for a singleChris Lattner
use and only call IsProfitableToFold/IsLegalToFold on the load being folded, like the old dagiselemitter does. This substantially simplifies the code and improves opportunities for sharing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16generate code for node and pattern predicates. Note that this won'tChris Lattner
build if enabled, it will fail with constness issues. I'll resolve these next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96336 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16add support for the new isel matcher to generate Chris Lattner
(isprofitable|islegal)tofold checks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96331 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-15Check in the first big step of rewriting DAGISelEmitter to Chris Lattner
produce a table based matcher instead of gobs of C++ Code. Though it's not done yet, the shrinkage seems promising, the table for the X86 ISel is 75K and still has a lot of optimization to come (compare to the ~1.5M of .o generated the old way, much of which will go away). The code is currently disabled by default (the #if 0 in DAGISelEmitter.cpp). When enabled it generates a dead SelectCode2 function in the DAGISel Header which will eventually replace SelectCode. There is still a lot of stuff left to do, which are documented with a trail of FIXMEs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96215 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05Change SelectCode's argument from SDValue to SDNode *, to make it moreDan Gohman
clear what information these functions are actually using. This is also a micro-optimization, as passing a SDNode * around is simpler than passing a { SDNode *, int } by value or reference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92564 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-13Fix weird typo which leads to unallocated memory access for nodes with 4 ↵Anton Korobeynikov
results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91233 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03improve portability to avoid conflicting with std::next in c++'0x.Chris Lattner
Patch by Howard Hinnant! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90365 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Implement DISABLE_INLINE for MSVC. This required changing the position in allBenjamin Kramer
forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88798 91177308-0d34-0410-b5e6-96231b3b80d8
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