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2010-03-03introduce a new SwitchTypeMatcher node (which is analogous toChris Lattner
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
2010-03-03Fix comment.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97644 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Make SCEVExpander and LSR more aggressive about hoisting expressions outDan Gohman
of loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97642 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Revert r97580; that's not the right way to fix this.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97639 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Work in progress. Finding some cse now.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97635 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03remove nvload and two patterns that use it which are Chris Lattner
better done by dag combine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97633 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Added 32-bit Thumb instructions t2NOP, t2YIELD, t2WFE, t2WFI, t2SEV, and t2DBGJohnny Chen
for disassembly only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97632 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Use APInt instead of zext value.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03factor the 'in the default address space' check out to a singleChris Lattner
'dsload' pattern. tblgen doesn't check patterns to see if they're textually identical. This allows better factoring. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97630 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03factor the 'sign extended from 8 bit' patterns better so Chris Lattner
that they are not destination type specific. This allows tblgen to factor them and the type check is redundant with what the isel does anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97629 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03- Change MachineInstr::isIdenticalTo to take a new option that determines ↵Evan Cheng
whether it should skip checking defs or at least virtual register defs. This subsumes part of the TargetInstrInfo::isIdentical functionality. - Eliminate TargetInstrInfo::isIdentical and replace it with produceSameValue. In the default case, produceSameValue just checks whether two machine instructions are identical (except for virtual register defs). But targets may override it to check for unusual cases (e.g. ARM pic loads from constant pools). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97628 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Add an option to enable machine cse (it's not doing anything yet.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97627 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Ordering forward declarations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97626 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Don't turn assertions on by default.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97623 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Eliminate unused instruction classes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97617 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03This test case:Bill Wendling
long test(long x) { return (x & 123124) | 3; } Currently compiles to: _test: orl $3, %edi movq %rdi, %rax andq $123127, %rax ret This is because instruction and DAG combiners canonicalize (or (and x, C), D) -> (and (or, D), (C | D)) However, this is only profitable if (C & D) != 0. It gets in the way of the 3-addressification because the input bits are known to be zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97616 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-03Added 32-bit Thumb instructions t2DMB variants, t2DSB variants, and t2ISBsy forJohnny Chen
disassembly only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97614 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Use the ocaml tag 0 since we are just returning an option value.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Don't use an ocaml keyword in an ocamldoc comment.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97611 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Expose the optimization level for the jit in ocaml.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97610 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Remove module providers from ocaml.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97609 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Add Module functions in place of module providers.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97608 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02merge two loops over all nodes in the graph into one.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97606 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02eliminate PreprocessForRMW now that isel handles it.Chris Lattner
We still preprocess calls and fp return stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97598 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02remove 300 lines of code that is now dead in the MSP430 backendChris Lattner
now that isel handles chains more aggressively. This also allows us to make isLegalToFold non-virtual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97597 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Fix some issues in WalkChainUsers dealing with Chris Lattner
CopyToReg/CopyFromReg/INLINEASM. These are annoying because they have the same opcode before an after isel. Fix this by setting their NodeID to -1 to indicate that they are selected, just like what automatically happens when selecting things that end up being machine nodes. With that done, give IsLegalToFold a new flag that causes it to ignore chains. This lets the HandleMergeInputChains routine be the one place that validates chains after a match is successful, enabling the new hotness in chain processing. This smarter chain processing eliminates the need for "PreprocessRMW" in the X86 and MSP430 backends and enables MSP to start matching it's multiple mem operand instructions more aggressively. I currently #if out the dead code in the X86 backend and MSP backend, I'll remove it for real in a follow-on patch. The testcase changes are: test/CodeGen/X86/sse3.ll: we generate better code test/CodeGen/X86/store_op_load_fold2.ll: PreprocessRMW was miscompiling this before, we now generate correct code Convert it to filecheck while I'm at it. test/CodeGen/MSP430/Inst16mm.ll: Add a testcase for mem/mem folding to make anton happy. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97596 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Added 32-bit Thumb instruction CLREX (Clear-Exclusive) for disassembly only.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Allow specialization of ScopedHashTable of non-default DenseMapInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97594 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Okay. One last attempt:Bill Wendling
Place the LSDA into the TEXT section on Mach-O. This saves space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97592 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02this testcase is failing because pic16 doesn't define a reg/reg Chris Lattner
xor pattern. I have no plans to fix this XFAIL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97587 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Add support for use to ocaml.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97586 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Rename LLVMUseIteratorRef to LLVMUseRef since we don't refer to iterators in ↵Erick Tryzelaar
llvm-c. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97585 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02xfail this for now.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97584 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Removed the extra S from the multiclass def T2I_adde_sube_s_irs as well as fromJohnny Chen
the opc string passed in, since it's a given from the class inheritance of T2sI. The fixed the extra 's' in adcss & sbcss when disassembly printing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97582 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02run HandleMergeInputChains even if we only have one input chain.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97581 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02When expanding an expression such as (A + B + C + D), sort the operandsDan Gohman
by loop depth and emit loop-invariant subexpressions outside of loops. This speeds up MultiSource/Applications/viterbi and others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97580 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Swap parameters of isSafeToMove and isSafeToReMat for consistency.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97578 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Fix typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97577 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02clean up some testcases.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97576 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02the sorting predicate should work for comparing an elementChris Lattner
to itself, even though this isn't wildly useful. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97574 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Added 32-bit Thumb instructions: CPS, SDIV, UDIV, SXTB16, SXTAB16, UXTAB16, SEL,Johnny Chen
SMMULR, SMMLAR, SMMLSR, TBB, TBH, and 16-bit Thumb instruction CPS for disassembly only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97573 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Fix grammar.Devang Patel
Thanks Duncan! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97572 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02AL is an optional mnemonic extension for always, except in IT instructions.Johnny Chen
Add printMandatoryPredicateOperand() PrintMethod for IT predicate printing. Ref: A8.3 Conditional execution git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97571 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Change some asm shift opcode strings to lowercase.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02fix typo add missing (Xerxes Ranby
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97565 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Unbreak llvm-arm-linux buildbot and fix PR5309.Xerxes Ranby
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Rather than passing "false" for InsertBefore, AddressSpace for ThreadLocal,Duncan Sands
and nothing for AddressSpace, pass 0 for InsertBefore, "false" for ThreadLocal and AddressSpace for AddressSpace. Spotted by gcc-4.5. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97563 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02Fix the xfail I added a couple of patches back. The issueChris Lattner
was that we weren't properly handling the case when interior nodes of a matched pattern become dead after updating chain and flag uses. Now we handle this explicitly in UpdateChainsAndFlags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97561 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02I was confused about this, it turns out that MorphNodeToChris Lattner
*does* delete ex-operands that become dead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97559 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02factor node morphing out to its own helper method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97558 91177308-0d34-0410-b5e6-96231b3b80d8
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