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2010-10-10fix the default va_arg expansion (in the realignment case) to not implicitlyChris Lattner
truncate the stack pointer to 32-bits on a 64-bit machine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116169 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-10fix the expansion of va_arg instruction on PPC to know the arg Chris Lattner
alignment for PPC32/64, avoiding some masking operations. llvm-gcc expands vaarg inline instead of using the instruction so it has never hit this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116168 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Now using a variant of the existing inlining heuristics to decide whether to ↵Kenneth Uildriks
create a given specialization of a function in PartialSpecialization. If the total performance bonus across all callsites passing the same constant exceeds the specialization cost, we create the specialization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Silence compiler warning.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116156 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi!Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116155 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09MC-COFF: Implement InitSections. Fixes PR8335.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116151 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09MC-COFF: Add COFFAsmParser. Completes PR8343.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116150 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Fix Whitespace.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09MC-COFF: Assert on non-coff sections.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Add VLD4 scheduling itineraries.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116143 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09MC: Move ParseDirectiveELFType into ELFAsmParser. COFF uses .type for ↵Michael J. Spencer
something else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Finish vld3 and vld4.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116140 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Complete vld2 instruction itineries.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116136 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Multiply instructions are issued on pipeline 0. They do not need to reserve ↵Evan Cheng
pipeline 1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Correct some load / store instruction itinerary mistakes:Evan Cheng
1. Cortex-A8 load / store multiplies can only issue on ALU0. 2. Eliminate A8_Issue, A8_LSPipe will correctly limit the load / store issues. 3. Correctly model all vld1 and vld2 variants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116134 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Check to make sure that the iterator isn't at the beginning of the basic blockBill Wendling
before decrementing. <rdar://problem/8529919> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116126 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08add jit support for the new psuedo instructions I added forChris Lattner
the add/or xform. The JIT isn't mcized yet, boo. This fixes Olden/voronoi, bh and a ton of other stuff that uses the jit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08machine a mutable machineinstr down into emitInstruction.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116124 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Fix the store part of this as well. Fixes smg2000.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116123 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Rename SplitEditor::rewrite to finish() and break it out into a couple of newJakob Stoklund Olesen
functions: computeRemainder and rewrite. When the remainder breaks up into multiple components, remember to rewrite those uses as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Avoid compiler warning: comparison between signed and unsigned integer.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Extract method ProcessUses from LocalRewriter::RewriteMBB. Both parent and childJakob Stoklund Olesen
are still way too long, but it's a start. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Do not check that the bodies of two defs of same linkonce global are the same.Anton Korobeynikov
Such a check does not make any sense in presense of inlining and other compiler-dependent stuff. This should fix bunch of warnings on mingw32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Implement a few more binary encoding bits. Still very early stage proof-of-Jim Grosbach
concept level stuff at this point, but it is generally working for those instructions that know how to map the operands. This patch fills in the register operands for add/sub/or/etc instructions and adds the conditional execution predicate encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Classify value numbers into connected components in linear time.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116105 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Call InitSections in llc and clang so that the binaries produced by themRafael Espindola
are easier to diff with those produced by llvm-mc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116095 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Filter out illegal formulae after updating offsets, not before, so thatDan Gohman
formulae which become illegal as a result of the offset updating don't escape. This is for rdar://8529692. No testcase yet, because the given cases hit use-list ordering differences. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Recommit 116056, now with the missing file...Cameron Esfahani
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116083 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Don't waste time unfolding simple loads. The unfolded copy won't be hoisted.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116081 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Fix operand latency computation in cases where the definition operand isEvan Cheng
implicit. e.g. %D6<def>, %D7<def> = VLD1q16 %R2<kill>, 0, ..., %Q3<imp-def> %Q1<def> = VMULv8i16 %Q1<kill>, %Q3<kill>, ... The real definition indices are 0,1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116080 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08CrashRecovery: Fix raise() override to actually send the right signal, *cough*.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116072 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Reapply 116059, this time without the fatfingered pasto at the top.Jim Grosbach
''const'ify getMachineOpValue() and associated helpers.' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116067 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Reverting 116059. Bots are unhappy with it.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116064 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08reverting 116056: win64_params.ll may need to be conditionalized?Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116063 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Line number 0 indicates there is no source line/file name info available for ↵Devang Patel
this construct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08'const'ify getMachineOpValue() and associated helpers.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116059 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Start separating out code metrics into code size metrics and code ↵Kenneth Uildriks
performance metrics. Partial Specialization will apply the former to function specializations, and the latter to all callsites that can use a specialization, in order to decide whether to create a specialization git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116057 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Small patch to restore home register stack space allocation for the Win64 ↵Cameron Esfahani
case. Add test case. This code eventually needs to be tighter, since it's always allocating it, even in leaf routines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116056 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Change register allocation order for ARM VFP and NEON registers to put theBob Wilson
callee-saved registers at the end of the lists. Also prefer to avoid using the low registers that are in register subclasses required by certain instructions, so that those registers will more likely be available when needed. This change makes a huge improvement in spilling in some cases. Thanks to Jakob for helping me realize the problem. Most of this patch is fixing the testsuite. There are quite a few places where we're checking for specific registers. I changed those to wildcards in places where that doesn't weaken the tests. The spill-q.ll and thumb2-spill-q.ll tests stopped spilling with this change, so I added a bunch of live values to force spills on those tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116055 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08fix a subtle bug I introduced in my refactoring, where we stopped preferringChris Lattner
the i8 versions of instructions in some cases. In test6, we started generating: cmpq $0, -8(%rsp) ## encoding: [0x48,0x81,0x7c,0x24,0xf8,0x00,0x00,0x00,0x00] ## <MCInst #478 CMP64mi32 ## <MCOperand Reg:114> ## <MCOperand Imm:1> ## <MCOperand Reg:0> ## <MCOperand Imm:-8> ## <MCOperand Reg:0> ## <MCOperand Imm:0>> instead of: cmpq $0, -8(%rsp) ## encoding: [0x48,0x83,0x7c,0x24,0xf8,0x00] ## <MCInst #479 CMP64mi8 ## <MCOperand Reg:114> ## <MCOperand Imm:1> ## <MCOperand Reg:0> ## <MCOperand Imm:-8> ## <MCOperand Reg:0> ## <MCOperand Imm:0>> Fix this and add some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116053 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08reapply: Use the new TB_NOT_REVERSABLE flag instead of specialChris Lattner
reapply: reimplement the second half of the or/add optimization. We should now with no changes. Turns out that one missing "Defs = [EFLAGS]" can upset things a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116040 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08reapply the patch reverted in r116033:Chris Lattner
"Reimplement (part of) the or -> add optimization. Matching 'or' into 'add'" With a critical fix: the add pseudos clobber EFLAGS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Update CMake.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Revert "Reimplement (part of) the or -> add optimization. Matching 'or' intoDaniel Dunbar
'add'", which seems to have broken just about everything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Revert "Use the new TB_NOT_REVERSABLE flag instead of special ", which dependsDaniel Dunbar
on r116007, which I am about to revert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116032 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Revert "reimplement the second half of the or/add optimization. We should now",Daniel Dunbar
which depends on r116007, which I am about to revert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Move to thumb2 loads, fixes a problem with incoming registersEric Christopher
as thumb1. Fixes lencod. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116027 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08reimplement the second half of the or/add optimization. We should nowChris Lattner
only end up emitting LEA instead of OR. If we aren't able to promote something into an LEA, we should never be emitting it as an ADD. Add some testcases that we emit "or" in cases where we used to produce an "add". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116026 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Enable binary encoding of some simple instructions.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Make <target>CodeEmitter::getBinaryCodeForInstr() a const method.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116018 91177308-0d34-0410-b5e6-96231b3b80d8