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2010-02-18Hoist this loop-invariant logic out of the loop.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96614 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Always normalize spill weights, also for intervals created by spilling.Jakob Stoklund Olesen
Moderate the weight given to very small intervals. The spill weight given to new intervals created when spilling was not normalized in the same way as the original spill weights calculated by CalcSpillWeights. That meant that restored registers would tend to hang around because they had a much higher spill weight that unspilled registers. This improves the runtime of a few tests by up to 10%, and there are no significant regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96613 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Make CodePlacementOpt detect special EH control flow byDan Gohman
checking whether AnalyzeBranch disagrees with the CFG directly, rather than looking for EH_LABEL instructions. EH_LABEL instructions aren't always at the end of the block, due to FP_REG_KILL and other things. This fixes an infinite loop compiling MultiSource/Benchmarks/Bullet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96611 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Destroy MDNodes gracefully while deleting llvm context.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96609 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Generate DBG_VALUE from dbg.value intrinsics. These currentlyDale Johannesen
comes out as comments but will eventually generate DWARF. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96601 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Remap the call sites of a shared function in interrupt line functions.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96591 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Re-factoring.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96589 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Uniformize the way these options are printed. Requested byDuncan Sands
Russell Wallace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96580 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Remove terminating dot in description. Inconsistency pointedDuncan Sands
out by Russell Wallace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96579 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Refer to -help instead of --help since this is what tools themselves say.Duncan Sands
Also, have tools output -help-hidden rather than refer to --help-hidden, for consistency, and likewise adjust documentation. This doesn't change every mention of --help, only those which seemed clearly safe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96578 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18add a missing type cast.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96574 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Use NEON vmin/vmax instructions for floating-point selects.Bob Wilson
Radar 7461718. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96572 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Added LDRSBT, LDRHT, LDRSHT for disassembly only. And fixed encoding errorsJohnny Chen
of AI3ldsbpo, AI3ldhpo, and AI3ldshpo in ARMInstrFormats.td in the process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96565 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Some dag combiner goodness:Evan Cheng
Transform br (xor (x, y)) -> br (x != y) Transform br (xor (xor (x,y), 1)) -> br (x == y) Also normalize (and (X, 1) == / != 1 -> (and (X, 1)) != / == 0 to match to "test on x86" and "tst on arm" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96556 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-18Added for disassembly only the variants of DMB, DSB, and ISB.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96540 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17MC/Mach-O: Update fixup values for change to X86 offsets.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96532 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Remove the NEON N2VSInt instruction class: it's only used in one place andBob Wilson
since it has no pattern, there's not much point in distinguishing an "N2VS" class for intrinsics anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96525 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Added CLREX (Clear-Exclusive) for disassembly only.Johnny Chen
A8.6.30 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96523 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17More cleanup for NEON:Bob Wilson
* Use "S" abbreviation for scalar single FP registers in class and pattern names, instead of keeping the "D" (for "double") abbreviation and tacking on an "s" elsewhere in the name. * Move the scalar single FP register classes and patterns to be more consistent with other definitions in the file. * Rename "VNEGf32d" definition to "VNEGfd" for consistency. * Deleted the N2VDIntsPat pattern; N2VSPat is good enough. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96521 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Added RFE for disassembly only.Johnny Chen
B6.1.8 RFE Return From Exception loads the PC and the CPSR from the word at the specified address and the following word respectively. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96519 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Make the non-temporal bit "significant" in MemSDNodes so they aren'tDavid Greene
CSE'd or otherwise combined with temporal MemSDNodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96505 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Remember to define super registers in mips calls.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96504 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Add Regex::sub, for doing regular expression substitution with backreferences.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96503 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Dead code elimination.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96496 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17"Fix and issue in SparcAsmPrinter where multiple identical .LLGETPCHn ↵Chris Lattner
symbols could be emitted in the same file (it was uniqued by block number, but not by function number). " Patch by Nathan Keynes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96495 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17move isOnlyReachableByFallthrough out of MachineBasicBlock into AsmPrinter,Chris Lattner
and add a sparc implementation that knows about delay slots. Patch by Nathan Keynes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96492 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17add a note, from PR5100Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Added routine to clone the body of a function and maintain a map of alreadySanjiv Gupta
cloned functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96485 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Pacify gcc-4.5, which warns (correctly) that these switches haveDuncan Sands
cases that are not part of the enum. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96477 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Added a function to clone locals of a function.( which for pic16 are globalsSanjiv Gupta
with mangled names). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96465 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Removed header files from .h by adding forward decls.Sanjiv Gupta
Renamed PIC16FrameOverlay namespace to PIC16OVERLAY. Renamed PIC16FrameOverlay class to PIC16Overlay. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96463 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Added BFI for disassembly only.Johnny Chen
A8.6.18 BFI - Bitfield insert (Encoding A1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96462 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17sink special case "cannotyetselect" for intrinsics out of the Chris Lattner
tblgen splatted code into the implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96460 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17rename and document some arguments so I don't have to keepChris Lattner
reverse engineering what they are. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96456 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Use pointer-wide encoding for LSDA and FDE on Darwin.Anton Korobeynikov
Hopefully, this will fix the remaining issues seen there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96454 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Removed an early out which was causing the PBQP allocator to not compute ↵Lang Hames
live-in sets or run the rewriter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96450 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Fix SCEVExpander's existing PHI reuse checking to recognize theDan Gohman
case where there are loop-invariant instructions somehow left inside the loop, and in a position where they won't dominate the IV increment position. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96448 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Before setting scope end marker, pay attention to scope begin marker and ↵Devang Patel
existing scope end marker, if any. Scope must begin before it ends and nested inlined scope do not truncate surrounding scope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96445 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17daniel remembered why this was needed.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96440 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17add a comment explaining why darwin/i386 uses ## as a comment.Chris Lattner
It's not clear why this is really required, but it was explicitly added in r48808 with no real explanation or rdar #. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96438 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Initial implementation of PIC16 Cloner pass.Sanjiv Gupta
This pass is supposed to be run on the linked .bc module. It traveses the module call graph twice. Once starting from the main function and marking each reached function as "ML". Again, starting from the ISR and cloning any reachable function that was marked as "ML". After cloning the function, it remaps all the call sites in IL functions to call the cloned functions. Currently only marking is being done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96435 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Fold bswap(undef) to undef.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96432 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Delete some unneeded casts.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96429 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Don't attempt to divide INT_MIN by -1; consider such cases toDan Gohman
have overflowed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96428 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Make the operand and format specifier match, and print allDan Gohman
64 bits, fixing a variety of problems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96421 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-17Wrap lines to 80 columns and generally try to clean up whitespace andBob Wilson
indentation. No functional changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96418 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16Make error statement more personal.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16fix rdar://7653908, a crash on a case where we would fold a loadChris Lattner
into a roundss intrinsic, producing a cyclic dag. The root cause of this is badness handling ComplexPattern nodes in the old dagisel that I noticed through inspection. Eliminate a copy of the of the code that handled ComplexPatterns by making EmitChildMatchCode call into EmitMatchCode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96408 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16Handle tGPR register class in a few more places. This fixes some llvm-gccBob Wilson
build failures due to my fix for pr6111. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96402 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16Add SMC (Secure Monitor Call) system instruction for disassembly only.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96401 91177308-0d34-0410-b5e6-96231b3b80d8
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