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2012-05-04Fix a goof with my previous commit by completely returning when weChandler Carruth
detect an in-eligible block rather than just breaking out of the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156166 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Hoist a safety assert from the extraction method into the constructionChandler Carruth
of the extractor itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156164 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Move the CodeExtractor utility to a dedicated header file / source file,Chandler Carruth
and expose it as a utility class rather than as free function wrappers. The simple free-function interface works well for the bugpoint-specific pass's uses of code extraction, but in an upcoming patch for more advanced code extraction, they simply don't expose a rich enough interface. I need to expose various stages of the process of doing the code extraction and query information to decide whether or not to actually complete the extraction or give up. Rather than build up a new predicate model and pass that into these functions, just take the class that was actually implementing the functions and lift it up into a proper interface that can be used to perform code extraction. The interface is cleaned up and re-documented to work better in a header. It also is now setup to accept the blocks to be extracted in the constructor rather than in a method. In passing this essentially reverts my previous commit here exposing a block-level query for eligibility of extraction. That is no longer necessary with the more rich interface as clients can query the extraction object for eligibility directly. This will reduce the number of walks of the input basic block sequence by quite a bit which is useful if this enters the normal optimization pipeline. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156163 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Make ARM and Mips use TargetMachine::getTLSModel()Hans Wennborg
This moves the logic for selecting a TLS model to a single place, instead of the previous three (ARM, Mips, and X86 which already uses this function). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156162 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Fix some loops to match coding standards. No functional change intended.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156159 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Fix up some spacing. No functional change.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156158 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Simplify broadcast lowering code. No functional change intended.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156157 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Allow v16i16 and v32i8 shuffles to be rewritten as narrower shuffles.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156156 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Add 'landingpad' instructions to the list of instructions to ignore.Bill Wendling
Also combine the code in the 'assert' statement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156155 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Simplify shuffle narrowing code a bit. No functional change intended.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Remove the SubRegClasses field from RegisterClass descriptions.Jakob Stoklund Olesen
This information in now computed by TableGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156152 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Remove TargetRegisterClass::SuperRegClasses.Jakob Stoklund Olesen
This manually enumerated list of super-register classes has been superceeded by the automatically computed super-register class masks available through SuperRegClassIterator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156151 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Pass -fcolor-diagnostics when it is supported. This makes a difference whenRafael Espindola
using cmake+ninja, since ninja buffers the compiler output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Use SuperRegClassIterator for findRepresentativeClass().Jakob Stoklund Olesen
The masks returned by SuperRegClassIterator are computed automatically by TableGen. This is better than depending on the manually specified SuperRegClasses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156147 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Initialize SparcInstrInfo before SparcTargetLowering.Jakob Stoklund Olesen
The TargetLowering construction needs to use a valid TargetRegisterInfo instance. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156146 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04Add a SuperRegClassIterator class.Jakob Stoklund Olesen
This iterator class provides a more abstract interface to the (Idx, Mask) lists of super-registers for a register class. The layout of the tables shouldn't be exposed to clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156144 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04A pile of long over-due refactorings here. There are some very, *very*Chandler Carruth
minor behavior changes with this, but nothing I have seen evidence of in the wild or expect to be meaningful. The real goal is unifying our logic and simplifying the interfaces. A summary of the changes follows: - Make 'callIsSmall' actually accept a callsite so it can handle intrinsics, and simplify callers appropriately. - Nuke a completely bogus declaration of 'callIsSmall' that was still lurking in InlineCost.h... No idea how this got missed. - Teach the 'isInstructionFree' about the various more intelligent 'free' heuristics that got added to the inline cost analysis during review and testing. This mostly surrounds int->ptr and ptr->int casts. - Switch most of the interesting parts of the inline cost analysis that were essentially computing 'is this instruction free?' to use the code metrics routine instead. This way we won't keep duplicating logic. All of this is motivated by the desire to allow other passes to compute a roughly equivalent 'cost' metric for a particular basic block as the inline cost analysis. Sadly, re-using the same analysis for both is really messy because only the actual inline cost analysis is ever going to go to the contortions required for simplification, SROA analysis, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156140 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Add a FoldingSetVector datastructure which is analogous to a SetVector,Chandler Carruth
but using a FoldingSet underneath and with a largely compatible interface to that of FoldingSet. This can be used anywhere a FoldingSet would be natural, but iteration order is significant. The initial intended use case is in Clang's template specialization lists to preserve instantiation order iteration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03PR12729: Change 'llvm-objdump' to display the available targets.Pete Cooper
Patch by Meador Inge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156128 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Remove accidentally added file.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Use a shared implementation of getMatchingSuperRegClass().Jakob Stoklund Olesen
TargetRegisterClass now gives access to the necessary tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156122 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Add TargetRegisterClass::getSuperRegIndices().Jakob Stoklund Olesen
This is a pointer into one of the tables used by getMatchingSuperRegClass(). It makes it possible to use a shared implementation of that function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156121 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Emit SuperRegMasks as part of the existing SubClassMask arrays.Jakob Stoklund Olesen
The RC->getSubClassMask() pointer now points to a sequence of register class bit masks. The first bit mask is the normal sub-class mask. The following masks are super-reg class masks used by getMatchingSuperRegClass(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156120 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Fix issues with the ARM bl and blx thumb instructions and the J1 and J2 bitsKevin Enderby
for the assembler and disassembler. Which were not being set/read correctly for offsets greater than 22 bits in some cases. Changes to lib/Target/ARM/ARMAsmBackend.cpp from Gideon Myles! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156118 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Factor the logic for testing whether a basic block is viable for codeChandler Carruth
extraction into a public interface. Also clean it up and apply it more consistently such that we check for landing pads *anywhere* in the extracted code, not just in single-block extraction. This will be used to guide decisions in passes that are planning to eventually perform a round of code extraction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03remove calls to calloc if the allocated memory is not used (it was already ↵Nuno Lopes
being done for malloc) fix a few typos found by Chad in my previous commit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156110 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Support for target dependent Hexagon VLIW packetizer.Sirish Pande
This patch creates and optimizes packets as per Hexagon ISA rules. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156109 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Add rudimentary CMake logic for detecting Graphviz.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03add support for calloc to objectsize loweringNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Fix the type of SubClassMask.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Compress tables for getMatchingSuperRegClass().Jakob Stoklund Olesen
Many register classes only have a few super-registers, so it is not necessary to keep individual bit masks for all possible sub-register indices. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156083 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Add the half type to the LLVM IR vim syntax highlighting.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156080 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Fixed disassembler for vstm/vldm ARM VFP instructions.Silviu Baranga
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Don't override subreg functions in targets without subregisters.Jakob Stoklund Olesen
Some targets have no sub-registers at all. Use the TargetRegisterInfo versions of composeSubRegIndices(), getSubClassWithSubReg(), and getMatchingSuperRegClass() for those targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156075 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Extensions of Hexagon V4 instructions.Sirish Pande
This adds new instructions for Hexagon V4 architecture. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156071 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03replace 'break's with 'return 0' in visitCallInst code for objectsize, since ↵Nuno Lopes
there is no need to fallback to visitCallSite. This gives a 0.9% in a test case git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156069 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Use correct variable in this example. Pointed out by waynix on IRC.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156067 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Use 'unsigned' instead of 'int' in a few places dealing with counts of ↵Craig Topper
vector elements. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Fix 256-bit vpshuflw and vpshufhw immediate encoding to handle undefs in the ↵Craig Topper
lower half correctly. Missed in r155982. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Fix two-address pass's aggressive instruction commuting heuristics. It's meantEvan Cheng
to catch cases like: %reg1024<def> = MOV r1 %reg1025<def> = MOV r0 %reg1026<def> = ADD %reg1024, %reg1025 r0 = MOV %reg1026 By commuting ADD, it let coalescer eliminate all of the copies. However, there was a bug in the heuristics where it ended up commuting the ADD in: %reg1024<def> = MOV r0 %reg1025<def> = MOV 0 %reg1026<def> = ADD %reg1024, %reg1025 r0 = MOV %reg1026 That did no benefit but rather ensure the last MOV would not be coalesced. rdar://11355268 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156048 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Added TargetRegisterInfo::getAllocatableClass.Andrew Trick
The ensures that virtual registers always belong to an allocatable class. If your target attempts to create a vreg for an operand that has no allocatable register subclass, you will crash quickly. This ensures that targets define register classes as intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156046 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Whitespace cleanup.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156034 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02[docs] Include the Kaleidescope tutorial in the Sphinx docs build.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156032 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Teach DAGCombine the same multiply-by-1.0 folding trick when doing FMAs, ↵Owen Anderson
just like it now knows for FMULs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156029 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02For Intel Atom, use ILP scheduling always, instead of ILP for 64 bitPreston Gurd
and Hybrid for 32 bit, since benchmarks show ILP scheduling is better most of the time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156028 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Change the Intel Atom detection code to recognizePreston Gurd
Lincroft and Medfield. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156025 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Teach DAG combine that multiplication by 1.0 can always be constant folded.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156023 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Add tools/lld to .gitignore.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156021 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02ARM: Add missing two-operand VBIC aliases.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156019 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Move llvm-tblgen's StringMatcher into the TableGen library so it canDouglas Gregor
be used by clang-tblgen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156000 91177308-0d34-0410-b5e6-96231b3b80d8
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