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2012-02-23Handle regmasks in CriticalAntiDepBreaker.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151223 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Track reserved registers separately from RegsAvailable.Jakob Stoklund Olesen
The bulk masking operations from register mask operands don't account for reserved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151222 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22MC: Fix the MCNullStreamer which was broken in r147763.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151213 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Don't compute latencies for regmask operands.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Handle regmasks in RegisterScavenging.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151210 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22misched: Use SparseSet for VRegDegs for constant time clear().Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Allow the use of an alternate symbol for calculating a function's size.Hal Finkel
The standard function epilog includes a .size directive, but ppc64 uses an alternate local symbol to tag the actual start of each function. Until recently, binutils accepted the .size directive as: .size test1, .Ltmp0-test1 however, using this directive with recent binutils will result in the error: .size expression for XXX does not evaluate to a constant so we must use the label which actually tags the start of the function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Remove bad comma from .el file.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151189 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22libclc is now dual licensed, Tobias and Peter own their respective subprojects.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Properly emit _fltused with FastISel. Refactor to share code with SDAG.Michael J. Spencer
Patch by Joe Groff! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Comment from code reviewAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Remove extra semi-colons.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151169 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-2280 col.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151167 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Efficient pattern for store truncate. Patch by Evandro Menezes.Sirish Pande
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151166 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Add Foreach LoopDavid Greene
Add some data structures to represent for loops. These will be referenced during object processing to do any needed iteration and instantiation. Add foreach keyword support to the lexer. Add a mode to indicate that we're parsing a foreach loop. This allows the value parser to early-out when processing the foreach value list. Add a routine to parse foreach iteration declarations. This is separate from ParseDeclaration because the type of the named value (the iterator) doesn't match the type of the initializer value (the value list). It also needs to add two values to the foreach record: the iterator and the value list. Add parsing support for foreach. Add the code to process foreach loops and create defs based on iterator values. Allow foreach loops to be matched at the top level. When parsing an IDValue check if it is a foreach loop iterator for one of the active loops. If so, return a VarInit for it. Add Emacs keyword support for foreach. Add VIM keyword support for foreach. Add tests to check foreach operation. Add TableGen documentation for foreach. Support foreach with multiple objects. Support non-braced foreach body with one object. Do not require types for the foreach declaration. Assume the iterator type from the iteration list element type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151164 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Fix typos.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151163 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Remove static ctor.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151160 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Support was removed from LLVM's MIPS backend for the PSP variant of thatChandler Carruth
chip in r139383, and the PSP components of the triple are really annoying to parse. Let's leave this chapter behind. There is no reason to expect LLVM to see a PSP-related triple these days, and so no reasonable motivation to support them. It might be reasonable to prune a few of the older MIPS triple forms in general, but as those at least cause no burden on parsing (they aren't both a chip and an OS!), I'm happy to leave them in for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151156 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Only add DW_AT_prototyped if we're working with a C-like language.Eric Christopher
Worth another 45k (1%) off of a large C++ testcase. rdar://10909458 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151144 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Add the source language into the compile unit.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Remove extra semi-colon.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151142 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Declare register classes as const. Fix a couple pointers to register classes ↵Craig Topper
that weren't already const. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22misched: DAG builder should not track dependencies for SSA defs.Andrew Trick
The vast majority of virtual register definitions don't need an entry in the DAG builder's VRegDefs set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151136 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Initialize SUnits before DAG building.Andrew Trick
Affect on SD scheduling and postRA scheduling: Printing the DAG will display the nodes in top-down topological order. This matches the order within the MBB and makes my life much easier in general. Affect on misched: We don't need to track virtual register uses at all. This is awesome. I also intend to rely on the SUnit ID as a topo-sort index. So if A < B then we cannot have an edge B -> A. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Make all pointers to TargetRegisterClass const since they are all pointers ↵Craig Topper
to static data that should not be modified. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151134 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Improve comment. Thanks for Andrew for the suggestion.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151127 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Semantically revert 151015. Add a comment on why we should be able to assertRafael Espindola
the dominance once the dominates method is fixed and why we can use the builder's insertion point. Fixes pr12048. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151125 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Adding support for Microsoft's thiscall calling convention. LLVM side of ↵Aaron Ballman
the patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151123 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Improve handling of blockaddresses in bugpoint when splitting a module. ↵Eli Friedman
Patch by Daniel Reynaud. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151115 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22ADT/SparseSet.h: Fix up header dependencies.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Clarify ARM calling conventions.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151113 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Use SparseSet for the RAFast live virtual register map.Jakob Stoklund Olesen
This makes RAFast 4% faster, and it gets rid of the dodgy DenseMap iteration. This also revealed that RAFast would sometimes dereference DenseMap iterators after erasing other elements from the map. That does seem to work in the current DenseMap implementation, but SparseSet doesn't allow it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151111 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Add a Briggs and Torczon sparse set implementation.Jakob Stoklund Olesen
For objects that can be identified by small unsigned keys, SparseSet provides constant time clear() and fast deterministic iteration. Insert, erase, and find operations are typically faster than hash tables. SparseSet is useful for keeping information about physical registers, virtual registers, or numbered basic blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151110 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Use a function in MathExtras to do sign extension.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151107 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Remove a bad PowerPC test.Jakob Stoklund Olesen
This test case was way too strict, matching the entire assembly output. Every non-trivial change to the ppc backend or -O0 pipeline required the test to be updated. It should be replaced with a test of the specific vaarg feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Calls don't really change the stack pointer.Jakob Stoklund Olesen
Even if a call instruction has %SP<imp-def> operands, it doesn't change the value of the stack pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Add API "handleMoveIntoBundl" for updating liveness when moving instructions ↵Lang Hames
into bundles. This method takes a bundle start and an MI being bundled, and makes the intervals for the MI's operands appear to start/end on the bundle start. Also fixes some minor cosmetic issues (whitespace, naming convention) in the HMEditor code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151099 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Testcase for previous commit.Eric Christopher
rdar://10493979 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151098 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21There's no need for a DW_AT_byte_size on a pointer type.Eric Christopher
Part of rdar://10493979 where it reduces by about .5% (10k) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151097 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Use the target-aware constant folder on expressions to improve the chanceNick Lewycky
they'll be simple enough to simulate, and to reduce the chance we'll encounter equal but different simple pointer constants. This removes the symptoms from PR11352 but is not a full fix. A proper fix would either require a guarantee that two constant objects we simulate are folded when equal, or a different way of handling equal pointers (ie., trying a constantexpr icmp on them to see whether we know they're equal or non-equal or unsure). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Proper support for a bastardized darwin-eabi hybird ABI.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151083 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21s/the the/the/Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151079 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Fix unsigned off-by-one in comment.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21InstCombine: Don't transform a signed icmp of two GEPs into a signed compare ↵Benjamin Kramer
of the indices. This transformation is not safe in some pathological cases (signed icmp of pointers should be an extremely rare thing, but it's valid IR!). Add an explanatory comment. Kudos to Duncan for pointing out this edge case (and not giving up explaining it until I finally got it). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151055 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Move the implementation of StringRef::split out of StringExtras.cppDuncan Sands
and into StringRef.cpp, which is where the other StringRef stuff is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21test/CodeGen/X86/2012-02-20-MachineCPBug.ll: Fix on generic(non-x86) hosts ↵NAKAMURA Takumi
to add -mattr=+sse. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151053 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Revert r151049 cos it broke the buildbots.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151052 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Tiny cosmetic change to use the same style for all of the while loops inChandler Carruth
the normalize routine, especially the empty while loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151050 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21PR1210: make uniquing of struct and function types more efficient byJay Foad
using a DenseMap and Talin's new GeneralHash, avoiding the need for a temporary std::vector on every lookup. Patch by Meador Inge! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151049 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Replace a hand rolled loop with a lovely StringRef helper we have theseChandler Carruth
days. No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151048 91177308-0d34-0410-b5e6-96231b3b80d8
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