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2010-12-18Revert r122143 through r122140, which collectively broke the LLVMC tests onOwen Anderson
the buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Merge isAbsolute into IsSymbolRefDifferenceFullyResolved.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Remove the MCObjectFormat class.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Add a test that shows that we produce no fixups when computing the differenceRafael Espindola
of two symbols in the same fragment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Add a FIXME and explain a hack.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122144 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Support/PathV1: Clarify deprecation warning.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122143 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Fix whitespace.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Support/PathV1: Deprecate get{Basename,Dirname,Suffix}.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122141 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Fix the note.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122139 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Revert 122011, 122012, 122013, 122023 adding back an important optimization.Rafael Espindola
I added a note, but suggestions on how to add a test are really welcome. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Apparently, operandices is not a word.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Move some data to the TargetWriter.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122134 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Teach the inline spiller to attempt folding a load instruction into its singleJakob Stoklund Olesen
use before rematerializing the load. This allows us to produce: addps LCPI0_1(%rip), %xmm2 Instead of: movaps LCPI0_1(%rip), %xmm3 addps %xmm3, %xmm2 Saving a register and an instruction. The standard spiller already knows how to do this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122133 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Tweak debug spew.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122132 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18r120333 changed the opcode for the Thumb1 stuff from ARM::tMOVr toBill Wendling
ARM::tMOVgpr2gpr. But this check didn't change. As a result, we were getting misaligned references to the jump table from an ADR instruction. There is a test case, but unfortunately it's sensitive to random code changes. <rdar://problem/8782223> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122131 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18RemoveUnusedCPEntries can change things. Track it.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Test for push being relaxed.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122124 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Check that the register is live-in to the loop header before inserting copies inJakob Stoklund Olesen
the loop predecessors. The register can be live-out from a predecessor without being live-in to the loop header if there is a critical edge from the predecessor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122123 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Fix GCC warning:Nick Lewycky
lib/CodeGen/RegAllocGreedy.cpp:311: error: unused variable 'PhysReg' [-Wunused-variable] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Relax push instructions.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Make LazyValueInfo non-recursive.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122120 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Rearrange some Neon multiclasses. No functional changes.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Support/PathV1: Deprecate getLast.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18CMake: Cleanup and document MSVC warning flags.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122115 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Add support to CallbackVH to receive notification when a Value's use-list ↵Owen Anderson
changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122114 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Pass a Banner argument to the machine code verifier both fromJakob Stoklund Olesen
createMachineVerifierPass and MachineFunction::verify. The banner is printed before the machine code dump, just like the printer pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Fix result type of Neon floating-point comparisons against zero.Bob Wilson
The result vector elements are always integers. Radar 8782191. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Add some missing entries in ARMTargetLowering::getTargetNodeName.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122111 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Whitespace fixes. No functionality change.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122110 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Avoid dereferencing end() in collectInterferingVRegs() when there is noJakob Stoklund Olesen
interference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122108 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Make the -verify-regalloc command line option available to base classes asJakob Stoklund Olesen
RegAllocBase::VerifyEnabled. Run the machine code verifier in a few interesting places during RegAllocGreedy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122107 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Enable loop splitting in RegAllocGreedy.Jakob Stoklund Olesen
The heuristics split around the largest loop where the current register may be allocated without interference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122106 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Add vector versions of some existing scalar transforms to aid codegen in ↵Nate Begeman
matching psign & pblend operations to the IR produced by clang/gcc for their C idioms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122105 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17During local stack slot allocation, the materializeFrameBaseRegister functionBill Wendling
may be called. If the entry block is empty, the insertion point iterator will be the "end()" value. Calling ->getParent() on it (among others) causes problems. Modify materializeFrameBaseRegister to take the machine basic block and insert the frame base register at the beginning of that block. (It's very similar to what the code does all ready. The only difference is that it will always insert at the beginning of the entry block instead of after a previous materialization of the frame base register. I doubt that that matters here.) <rdar://problem/8782198> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122104 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Fix a DAGCombiner crash when folding binary vector operations with constantBob Wilson
BUILD_VECTOR operands where the element type is not legal. I had previously changed this code to insert TRUNCATE operations, but that was just wrong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122102 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Combine several vector-related DAGCombiner tests.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122101 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Avoid report_fatal_error in ARM's PrintAsmOperand method.Bob Wilson
The standard error handling in AsmPrinter::EmitInlineAsm handles this much better, so just use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122100 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Remove trailing whitespace.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122099 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Add support for matching psign & plendvb to the x86 targetNate Begeman
Remove unnecessary pandn patterns, 'vnot' patfrag looks through bitcasts git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122098 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo seesJakob Stoklund Olesen
monotonic keys. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17It is allowed to call IntervalMap::const_iterator::advanceTo() with a key thatJakob Stoklund Olesen
moves the iterator to end(), and it is valid to call it on end(). That means it is valid to call advanceTo() with any monotonic key sequence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122092 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Thumb's forced-PC-alignment requirement applies to the _total_ displacement, ↵Owen Anderson
not just to the fragment relative portion. While the fragment boundary is usually already aligned, it is possible for it not to be, which would lead to a non-aligned final displacement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122091 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Add a transform to DAG Combiner. This improves theDale Johannesen
code for the case where 32-bit divide by constant is turned into 64-bit multiply by constant. 8771012. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122090 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Fix 80 col.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122089 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Support/Path: Deprecate PathV1::isAbsolute.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122086 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17PathV2: Use StringRef::substr to simplify substring creation.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122085 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Allow missing kill flags on an untied operand of a two-address instruction whenJakob Stoklund Olesen
the operand uses the same register as a tied operand: %r1 = add %r1, %r1 If add were a three-address instruction, kill flags would be required on at least one of the uses. Since it is a two-address instruction, the tied use operand must not have a kill flag. This change makes the kill flag on the untied use operand optional. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122082 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122081 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17If The ARM WriteNopData() gets an unaligned byte count to pad out, fill in withJim Grosbach
a partial value. rdar://8782954 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122078 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Missed some StringRefRefs.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122077 91177308-0d34-0410-b5e6-96231b3b80d8
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