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2010-03-10Remove unneeded declarations.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98185 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Make sure the LR gets pushed in functions that use vaargs. This fixesJim Grosbach
400.perlbench for the nightly tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98183 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10comment why we use custom epilogue for t1 functions using vaargs.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98182 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix another place where DEBUG_VALUE affected codegen.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98181 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Add a DominatorTree argument to isLCSSA so that it doesn't have toDan Gohman
compute a set of reachable blocks for itself each time it is called, which is fairly frequently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Constant-fold GEP-of-GEP into a single GEP.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98178 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix whitespace.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98173 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Factored out the disassembly printing of CPS option, MSR mask, and Negative ZeroJohnny Chen
operands into their own PrintMethod, in order not to pollute the printOperand() impl with disassembly only Imm modifiers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix make check with cmake/litTobias Grosser
PR6540: Set the newly introduced variables ENABLE_SHARED and SHLIBPATH_VAR in lit.site.cfg not only in the autoconf build, but also in a cmake one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98171 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10The backend now makes a reasonable job of targeting lmul / maccRichard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98169 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Handle MVT::i64 type in DAG combine for ISD::ADD. Fold 64 bitRichard Osborne
expression add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if all operands are zero extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98168 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Remove unneeded includes.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Testcase for pr6552. I changed the code to use "ip" instead of "fp" becauseBob Wilson
the "fp" register name is not valid on Darwin, and the "ip" register name was broken for all ARM targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98166 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix checking of intermediates having one use in isADDADDMULRichard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98164 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Extract recognition of patterns such as add(add(mul(x,y),a),b)Richard Osborne
into a seperate function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98162 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix thinko.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediateRichard Osborne
results are unused elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98157 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Remove duplicated code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98156 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix a bug in DEBUG_VALUE handling Devang ran into.Dale Johannesen
I'll get this loop right yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98155 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Prefer LMUL to MACCU as LMUL has no tied operands.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98153 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Custom lower (S|U)MUL_LOHI -> MACC(S|U)Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98152 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix indentationRichard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98151 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Lower add (mul a, b), c into MACCU / MACCS nodes which translateRichard Osborne
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
2010-03-10Convert test to FileCheck.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10move three lowering hooks from MAI to TLOF and make one of themChris Lattner
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
2010-03-10Fix typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Unbreak test on Linux.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98141 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10This survived a bootstrap, so let's try 98104 again.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98137 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Enable machine cse pass.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98132 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10mcize the rest of EH emission, only one more directive missingChris Lattner
for darwin/x86 to be completely mcized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98130 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10add missing filename!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10set the temporary bit on MCSymbols correctly.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98124 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Fix a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Add a couple more heuristics to neuter machine cse some more.Evan Cheng
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
2010-03-10MC/Mach-O: Resolve a FIXME; these relocation types are no longer semanticaly ↵Daniel Dunbar
different. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98120 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Clarify the documentation for MachineFunctionPasses.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10eliminate MCContext::CreateSymbol and CreateTemporarySymbol.Chris Lattner
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
2010-03-10inline away a form of IsPCRelative, eliminating the Chris Lattner
dead IsPCRel argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10add some fixme's for MCizing. EH still has a few things thatChris Lattner
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
2010-03-10MC/Mach-O: Use the SECTDIFF relocation type for (A - B + constant) where A ↵Daniel Dunbar
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
2010-03-10Clear up the last (famous last words) frame index value reuse issues for Thumb1.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98109 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10Speculatively revert 98104; could be what's causing crashesDale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98108 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-10mcize uses of PrintRelDirective and eliminate it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98107 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09inline the bool form of PrintRelDirective away, leaving just the unsigned form.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98106 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09eliminate EOL, adding all comments with the OutStreamer.AddComment Chris Lattner
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
2010-03-09Ever more complicated DEBUG_VALUE fixes for branch folding.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98104 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09Avoid analyzing instructions in blocks not reachable from the entry block.Dan Gohman
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
2010-03-09eliminate a bunch of \n's that are being printed to O. Next up is to killChris Lattner
off "EOL". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98102 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-09convert the non-"ispcrel" case of EmitReference to MC,Chris Lattner
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
2010-03-09make the NullStreamer set the section on a label when emitted so that ↵Chris Lattner
isDefined() works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98100 91177308-0d34-0410-b5e6-96231b3b80d8
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