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2011-07-25Rename live range stages to better reflect how they are used.Jakob Stoklund Olesen
The stage is used to control where a live range is going, not where it is coming from. Live ranges created by splitting will usually be marked RS_New, but some are marked RS_Spill to avoid wasting time trying to split them again. The old RS_Global and RS_Local stages are merged - they are really the same thing for local and global live ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135911 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Shorten some expressions by using ArrayRef::slice().Frits van Bommel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135910 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Use ArrayRef in the (protected) constructors of ConstantArray, ↵Jay Foad
ConstantStruct and ConstantVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Convert GetElementPtrInst to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24switch Triple to take twines instead of stringrefs.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135889 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24Add Twine support for characters, and switch twine to use a union internallyChris Lattner
to eliminate some casting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135888 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24Never extend live ranges for <undef> uses.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24Correctly handle <undef> tied uses when rewriting after a split.Jakob Stoklund Olesen
This fixes PR10463. A two-address instruction with an <undef> use operand was incorrectly rewritten so the def and use no longer used the same register, violating the tie constraint. Fix this by always rewriting <undef> operands with the register a def operand would use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135885 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24Set PPCII::MO_DARWIN_STUB only on MacOSX < 10.5.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135866 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Add RAGreedy::calcCompactRegion.Jakob Stoklund Olesen
This method computes the edge bundles that should be live when splitting around a compact region. This is independent of interference. The function returns false if the live range was already a compact region, or the compact region doesn't have any live bundles - it would be the same as splitting around basic blocks. Compact regions are computed using the normal spill placement code. We pretend there is interference in all live-through blocks that don't use the live range. This removes all edges from the Hopfield network used for spill placement, so it converges instantly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135847 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Fix bug in SplitEditor::splitLiveThroughBlock when switching registers.Jakob Stoklund Olesen
If there is no interference and no last split point, we cannot enterIntvBefore(Stop) - that function needs a real instruction. Use enterIntvAtEnd instead for that very easy case. This code doesn't currently run, it is needed by multi-way splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135846 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Prepare RAGreedy::growRegion for compact regions.Jakob Stoklund Olesen
A split candidate can have a null PhysReg which means that it doesn't map to a real interference pattern. Instead, pretend that all through blocks have interference. This makes it possible to generate compact regions where the live range doesn't go through blocks that don't use it. The live range will still be live between directly connected blocks with uses. Splitting around a compact region tends to produce a live range with a high spill weight, so it may evict a less dense live range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Add a simple method for marking blocks with interference in and out.Jakob Stoklund Olesen
This method matches addLinks - All the listed blocks are considered to have interference, so they add a negative bias to their bundles. This could also be done by addConstraints, but that requires building a separate BlockConstraint array. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Allow null interference cursors to be queried.Jakob Stoklund Olesen
They always report 'no interference'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135843 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23ARMMCTargetDesc.h: Fixup to add DataTypes.h, or uint32_t would be unavailable.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135837 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where ↵Evan Cheng
they belong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Move trip count discovery outside of the generic LoopUnroll helper. ThisAndrew Trick
removes its dependence on canonical induction variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135828 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23createXXXMCCodeGenInfo should be static.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135826 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23Sink ARM mc routines into MCTargetDesc.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22ARM SSAT instruction 5-bit immediate handling.Jim Grosbach
The immediate is in the range 1-32, but is encoded as 0-31 in a 5-bit bitfield. Update the representation such that we store the operand as 0-31, allowing us to remove the encoder method and the special case handling in the disassembler. Update the assembly parser and the instruction printer accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Move the last uses of RetainFunc etc. over to using getRetainCallee() etc.Dan Gohman
so that a declaration for objc_retain is created when needed if it doesn't already exist. rdar://9825114. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22ARM assembly parsing and encoding updates.Jim Grosbach
Tests for SMULBB, SMLALBT, SMLALTB, SMLALTT, and SMULL. Fix parsing of SMULLS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135817 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo,Evan Cheng
InitializeX86MCInstrInfo, etc. are combined into InitializeX86TargetMC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Emit the __compact_unwind section first. If there are any frames which weren'tBill Wendling
emitted, emit them next as CIE/FDEs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135807 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Fix PR10422 by adding the necessary AVX UCOMISD memory versions toBruno Cardoso Lopes
load folding logic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22ARM assembly parsing and encoding of SMLAL instruction.Jim Grosbach
Fix parsing of carry-setting variant SMLALS and add tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135797 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22ARM encoding and assembly parsing of SMLAD{X} instructions.Jim Grosbach
Fix encoding of destination register. Add tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135796 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Add v8f32->v8i32 bitcast. Fixes PR10440Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Turn shuffles into unpacks for VT == MVT::v2i64 and MVT::v2f64Rafael Espindola
too. Patch by Jeff Muizelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135789 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Fix x86's XALUO lowering to return its replacement values insteadDan Gohman
of doing the RAUW calls for the overflow value itself. This makes it more consistent with how the rest of LegalizeDAG works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135788 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Fix test failures caused by my so_reg refactoring.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135785 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22ARM assembly parsing and encoding for SMC instruction.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135782 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Clean up a few more comments.Jim Grosbach
These instruction definitions are for the assembler, too, not just the disassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135781 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Tidy up.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135779 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Thumb assembly support for SETEND instruction.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135778 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Tidy up.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135777 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22ARM assembly parsing and encoding for SETEND instruction.Jim Grosbach
Add parsing and diagnostics for malformed inputs. Tests for diagnostics and for correct encodings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135776 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Tidy up.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135771 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Fix more MSVC warnings caused by a cases I missed when convertingJay Foad
ConstantExpr::getGetElementPtr to use ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135762 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Convert IRBuilder::CreateGEP and IRBuilder::CreateInBoundsGEP to useJay Foad
ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Move TargetRegistry.cpp from lib/Support to lib/Target where it belongs.Chandler Carruth
The header file was already properly located. The previous need for it in Support had to do with the version string printing which was fixed in r135757. Also update build dependencies where libraries that needed the functionality of the Target library (in the form of the TargetRegistry) were picking it up via Support. This is pretty pervasive, essentially every TargetInfo library (ARMInfo, etc) uses TargetRegistry, making it depend on Target. All of these were previously just sneaking by. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Fix an MSVC warning, caused by a case I missed when convertingJay Foad
ConstantExpr::getGetElementPtr to use ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135758 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Move the registered target printing in version strings completely out ofChandler Carruth
the Support library. Now its part of the TargetRegistry, and the three commands that care about this explicitly register this extra bit of version information. The set of commands which care was computed by intersecting those which use the Support library's version string printing and those that initialize all the registered targets in a way that produces a meaningful list. The only odd ball out is that 'clang -cc1as -version' no longer prints the registered targets. I don't think anyone is really interested in that (especially as the fact that llvm-mc does so is under a FIXME), but if someone really does want this back I'll happily apply the same patch there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135757 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Move the logic for printing the registered targets into a staticChandler Carruth
function on the TargetRegistry. Also clean it up and use the modern LLVM utility libraries available instead of rolling a few things manually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135756 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Add an extension point to the CommandLine library where clients canChandler Carruth
register extra version information to be printed. This is designed to allow those tools which link in various targets to also print those registered targets under --version. Currently this printing logic is embedded into the Support library directly; a huge layering violation. This is the first step to hoisting it out into the tools without adding lots of duplicated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135755 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22lib/Support/Triple.cpp: Recognize "-march=ppc32" to llc properly, as quick hack.NAKAMURA Takumi
FIXME: There is an inconsistency. llvm::Triple does not understand "ppc32" and PowerPC/TargetInfo holds "ppc32". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135745 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Allow getBlockFreq to return 0.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135742 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22GCC complains about the angle of this line.Benjamin Kramer
Remove the escaped newline. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135739 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Revert patch which broke some IfConversion tests.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135738 91177308-0d34-0410-b5e6-96231b3b80d8
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