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* Fix checking of intermediates having one use in isADDADDMULRichard Osborne2010-03-101-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98164 91177308-0d34-0410-b5e6-96231b3b80d8
* Extract recognition of patterns such as add(add(mul(x,y),a),b)Richard Osborne2010-03-101-48/+66
| | | | | | | into a seperate function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98162 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix thinko.Richard Osborne2010-03-102-5/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98158 91177308-0d34-0410-b5e6-96231b3b80d8
* Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediateRichard Osborne2010-03-102-0/+68
| | | | | | | results are unused elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98157 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove duplicated code. No functionality change.Benjamin Kramer2010-03-102-11/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98156 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in DEBUG_VALUE handling Devang ran into.Dale Johannesen2010-03-101-6/+3
| | | | | | | | I'll get this loop right yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98155 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer LMUL to MACCU as LMUL has no tied operands.Richard Osborne2010-03-104-7/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98153 91177308-0d34-0410-b5e6-96231b3b80d8
* Custom lower (S|U)MUL_LOHI -> MACC(S|U)Richard Osborne2010-03-103-0/+70
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98152 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentationRichard Osborne2010-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98151 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower add (mul a, b), c into MACCU / MACCS nodes which translateRichard Osborne2010-03-104-0/+110
| | | | | | | | | directly to the maccu / maccs instructions. We handle this in ExpandADDSUB since after type legalisation it is messy to recognise these operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98150 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert test to FileCheck.Richard Osborne2010-03-101-3/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98148 91177308-0d34-0410-b5e6-96231b3b80d8
* move three lowering hooks from MAI to TLOF and make one of themChris Lattner2010-03-107-42/+40
| | | | | | | | semantic instead of syntactic. This completes MCization of darwin/x86[-64]! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98145 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Evan Cheng2010-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98142 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak test on Linux.Evan Cheng2010-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98141 91177308-0d34-0410-b5e6-96231b3b80d8
* This survived a bootstrap, so let's try 98104 again.Dale Johannesen2010-03-101-4/+69
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98137 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable machine cse pass.Evan Cheng2010-03-1010-296/+60
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98132 91177308-0d34-0410-b5e6-96231b3b80d8
* mcize the rest of EH emission, only one more directive missingChris Lattner2010-03-101-12/+17
| | | | | | | for darwin/x86 to be completely mcized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98130 91177308-0d34-0410-b5e6-96231b3b80d8
* add missing filename!Chris Lattner2010-03-101-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98125 91177308-0d34-0410-b5e6-96231b3b80d8
* set the temporary bit on MCSymbols correctly.Chris Lattner2010-03-1017-53/+87
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98124 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Dan Gohman2010-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98122 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a couple more heuristics to neuter machine cse some more.Evan Cheng2010-03-101-13/+57
| | | | | | | | | | | | 1. Be careful with cse "cheap" expressions. e.g. constant materialization. Only cse them when the common expression is local or in a direct predecessor. We don't want cse of cheap instruction causing other expressions to be spilled. 2. Watch out for the case where the expression doesn't itself uses a virtual register. e.g. lea of frame object. If the common expression itself is used by copies (common for passing addresses to function calls), don't perform the cse. Since these expressions do not use a register, it creates a live range but doesn't close any, we want to be very careful with increasing register pressure. Note these are heuristics so machine cse doesn't make register allocator unhappy. Once we have proper live range splitting and re-materialization support in place, these should be evaluated again. Now machine cse is almost always a win on llvm nightly tests on x86 and x86_64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98121 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Resolve a FIXME; these relocation types are no longer semanticaly ↵Daniel Dunbar2010-03-101-3/+5
| | | | | | different. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98120 91177308-0d34-0410-b5e6-96231b3b80d8
* Clarify the documentation for MachineFunctionPasses.Dan Gohman2010-03-101-4/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98119 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate MCContext::CreateSymbol and CreateTemporarySymbol.Chris Lattner2010-03-103-25/+17
| | | | | | | | Add a new GetOrCreateTemporarySymbol method and a version that takes a twine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98118 91177308-0d34-0410-b5e6-96231b3b80d8
* inline away a form of IsPCRelative, eliminating the Chris Lattner2010-03-104-29/+14
| | | | | | | dead IsPCRel argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98117 91177308-0d34-0410-b5e6-96231b3b80d8
* add some fixme's for MCizing. EH still has a few things thatChris Lattner2010-03-103-13/+9
| | | | | | | | | need to be MCized, but the last debug info thing are LEB and cygwin specific (which the MC api doesn't support yet) and one specific form of EmitReference which I'll tackle next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98116 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Use the SECTDIFF relocation type for (A - B + constant) where A ↵Daniel Dunbar2010-03-102-8/+66
| | | | | | | | is external. - I'm not sure why, but this is what 'as' does. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98115 91177308-0d34-0410-b5e6-96231b3b80d8
* Clear up the last (famous last words) frame index value reuse issues for Thumb1.Jim Grosbach2010-03-103-8/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98109 91177308-0d34-0410-b5e6-96231b3b80d8
* Speculatively revert 98104; could be what's causing crashesDale Johannesen2010-03-101-56/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98108 91177308-0d34-0410-b5e6-96231b3b80d8
* mcize uses of PrintRelDirective and eliminate it.Chris Lattner2010-03-103-21/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98107 91177308-0d34-0410-b5e6-96231b3b80d8
* inline the bool form of PrintRelDirective away, leaving just the unsigned form.Chris Lattner2010-03-092-9/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98106 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate EOL, adding all comments with the OutStreamer.AddComment Chris Lattner2010-03-094-131/+143
| | | | | | | | | | | | | method. With this, comments should end up on the same lines as the .byte directives (for example) and we now get no output with: $ llc CodeGen/X86/2009-02-12-DebugInfoVLA.ll -o - -filetype=null -asm-verbose woot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98105 91177308-0d34-0410-b5e6-96231b3b80d8
* Ever more complicated DEBUG_VALUE fixes for branch folding.Dale Johannesen2010-03-091-3/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98104 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid analyzing instructions in blocks not reachable from the entry block.Dan Gohman2010-03-092-2/+22
| | | | | | | They are lots of trouble, and they don't matter. This fixes PR6559. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98103 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate a bunch of \n's that are being printed to O. Next up is to killChris Lattner2010-03-092-35/+19
| | | | | | | off "EOL". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98102 91177308-0d34-0410-b5e6-96231b3b80d8
* convert the non-"ispcrel" case of EmitReference to MC,Chris Lattner2010-03-091-0/+8
| | | | | | | | significant debug info testcases are now all going through MCStreamer, though they print a lot of extraneous newlines to "O". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98101 91177308-0d34-0410-b5e6-96231b3b80d8
* make the NullStreamer set the section on a label when emitted so that ↵Chris Lattner2010-03-091-1/+5
| | | | | | isDefined() works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98100 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to keep the cached inliner costs around for a bit longer for big functions.Jakob Stoklund Olesen2010-03-096-6/+63
| | | | | | | | | | | | | | | The Caller cost info would be reset everytime a callee was inlined. If the caller has lots of calls and there is some mutual recursion going on, the caller cost info could be calculated many times. This patch reduces inliner runtime from 240s to 0.5s for a function with 20000 small function calls. This is a more conservative version of r98089 that doesn't break the clang test CodeGenCXX/temp-order.cpp. That test relies on rather extreme inlining for constant folding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98099 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/X86: Rename alternate spellings of ADD{8,16,32} and mark as "code gen ↵Daniel Dunbar2010-03-092-9/+14
| | | | | | only" so they don't get selected by the asm matcher. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98098 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/X86: Rename alternate spellings of CMP{8,16,32} and mark as "code gen ↵Daniel Dunbar2010-03-092-6/+15
| | | | | | only" so they don't get selected by the asm matcher. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98097 91177308-0d34-0410-b5e6-96231b3b80d8
* Continue propagating the GoogleTest flags until we can update our version toChandler Carruth2010-03-092-1/+8
| | | | | | | | eliminate this problem. This will hopefully let us make progress on Linux bootstrapping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98095 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r98089, it was breaking a clang test.Jakob Stoklund Olesen2010-03-096-57/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98094 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to keep the cached inliner costs around for a bit longer for big functions.Jakob Stoklund Olesen2010-03-096-6/+57
| | | | | | | | | | | The Caller cost info would be reset everytime a callee was inlined. If the caller has lots of calls and there is some mutual recursion going on, the caller cost info could be calculated many times. This patch reduces inliner runtime from 240s to 0.5s for a function with 20000 small function calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98089 91177308-0d34-0410-b5e6-96231b3b80d8
* Permit inlining into huge functions. This heuristic is ancient, and inliningJakob Stoklund Olesen2010-03-091-5/+0
| | | | | | can sometimes help reduce function size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98088 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the Value argument to eliminateFrameIndex to a type-tagged value. ThisJim Grosbach2010-03-0930-33/+40
| | | | | | | | | | is preparatory to having PEI's scavenged frame index value reuse logic properly distinguish types of frame values (e.g., whether the value is stack-pointer relative or frame-pointer relative). No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98086 91177308-0d34-0410-b5e6-96231b3b80d8
* MSR (Move to Special Register from ARM core register) requires a mask to specifyJohnny Chen2010-03-092-12/+12
| | | | | | | what fields of the CPSR or SPSR are affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98085 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: For PCrel relocations, we need to compensate for the PCrel ↵Daniel Dunbar2010-03-092-5/+71
| | | | | | adjustment when determining if we need a scattered relocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98082 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Also set the PCrel bit in the second half of paired relocation ↵Daniel Dunbar2010-03-091-4/+2
| | | | | | entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98081 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Don't generate relocations for PCrel fixups to local labels.Daniel Dunbar2010-03-091-9/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98080 91177308-0d34-0410-b5e6-96231b3b80d8
* The address of an indirect call must be in R12 on Darwin.Dale Johannesen2010-03-092-0/+29
| | | | | | | | | | Make it so. (This patch is in LowerCall_Darwin, which seems to be used by SVR4 code as well; since that doesn't belong here, I haven't worried about this case.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98077 91177308-0d34-0410-b5e6-96231b3b80d8
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