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* Thumb conditional branch binary encodings. rdar://8745367Jim Grosbach2010-12-105-1/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121493 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed version of 121434 with no new memory leaks.Rafael Espindola2010-12-1020-145/+363
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
* Mach-O: Tweak field name.Daniel Dunbar2010-12-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121465 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix cmake build.Rafael Espindola2010-12-101-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121462 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert my previous patch to make the valgrind bots happy.Rafael Espindola2010-12-1019-359/+145
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121461 91177308-0d34-0410-b5e6-96231b3b80d8
* lib/Target/CMakeLists.txt: Add missing lib/Target/TargetAsmInfo.cpp, ↵NAKAMURA Takumi2010-12-101-0/+1
| | | | | | following up to r121434. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121454 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the leak from r121401 of the Operands erased in the list but not deleted.Kevin Enderby2010-12-101-6/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121450 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some missing predicates.Nate Begeman2010-12-101-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121445 91177308-0d34-0410-b5e6-96231b3b80d8
* Formalize the notion that AVX and SSE are non-overlapping extensions from ↵Nate Begeman2010-12-107-49/+60
| | | | | | the compiler's point of view. Per email discussion, we either want to always use VEX-prefixed instructions or never use them, and are taking "HasAVX" to mean "Always use VEX". Passing -mattr=-avx,+sse42 should serve to restore legacy SSE support when desirable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121439 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for the cfi directives. This is just enough to getRafael Espindola2010-12-0919-145/+359
| | | | | | | | | | | f: .cfi_startproc nop .cfi_endproc assembled (on ELF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
* Use const references.Rafael Espindola2010-12-091-10/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121426 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb ldr reg+imm offsets were encoded incorrectly. The scaling factor of theBill Wendling2010-12-093-44/+12
| | | | | | | | t_addrmode_s# address modes is used for ASM printing, not for encoding. <rdar://problem/8745375> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121417 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for AVX to materialize +0.0 when doing scalar FP.Nate Begeman2010-12-093-2/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121415 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the new IsAligned fixup flag to improve fixup encodings for Thumb2 ↵Owen Anderson2010-12-092-2/+4
| | | | | | | | | branches. This is still not perfect, but it gets many more of them correct than it did previously. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121414 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for nested CALLSEQ_START/CALLSEQ_END constructs in LegalizeDAG.Stuart Hastings2010-12-091-8/+24
| | | | | | | Necessary for byval support on ARM. Radar 7662569. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121412 91177308-0d34-0410-b5e6-96231b3b80d8
* Remember to filter out reserved rergisters from the allocation order.Jakob Stoklund Olesen2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121411 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a forgotten initializer for CheckedFirstInterference.Jakob Stoklund Olesen2010-12-092-2/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121410 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an issue in some Thumb fixups, where the effective PC address needs to ↵Owen Anderson2010-12-093-5/+13
| | | | | | | | | | | be 4-byte aligned when calculating the offset. Add a new fixup flag to represent this, and use it for the one fixups that I have a testcase for needing this. It's quite likely that the other Thumb fixups will need this too, and to have their fixup encoding logic adjusted accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121408 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename CB/CBZ specific fixup accordingly.Jim Grosbach2010-12-094-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121404 91177308-0d34-0410-b5e6-96231b3b80d8
* Add assert to catch an attempt to emit .byte 256Devang Patel2010-12-091-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121402 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for parsing ARM arithmetic instructions that update or don't updateKevin Enderby2010-12-091-6/+45
| | | | | | | | | | the condition codes. Where the ones that do have an 's' suffix and the ones that don't don't have the suffix. The trick is if MatchInstructionImpl() fails we try again after adding a CCOut operand with the correct value and removing the 's' if present. Four simple test cases added for now, lots more to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121401 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the encoder method for t_cbtarget to match.Jim Grosbach2010-12-093-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121399 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb needs a few different encoding schemes for branch targets. RenameJim Grosbach2010-12-091-3/+3
| | | | | | t_brtarget to be more specific. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121398 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM stm/ldm instructions require more than one register in the register list.Jim Grosbach2010-12-092-19/+60
| | | | | | | | Otherwise, a plain str/ldr should be used instead. Make sure we account for that in prologue/epilogue code generation. rdar://8745460 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121391 91177308-0d34-0410-b5e6-96231b3b80d8
* Added register reassignment prototype to RAGreedy. It's a simpleAndrew Trick2010-12-095-19/+116
| | | | | | | | heuristic to reshuffle register assignments when we can't find an available reg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121388 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/Windows/PathV2: Fix header comment.Michael J. Spencer2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121383 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespace.Michael J. Spencer2010-12-092-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121382 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Move c_str from SmallVector back to SmallString and add a free standingMichael J. Spencer2010-12-092-1/+14
| | | | | | templated c_str in Windows.h to replace it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121381 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/FileSystem: Change file_status predicate functions that cannot fail toMichael J. Spencer2010-12-091-0/+27
| | | | | | | return their result instead of an error_code. Also add some missing predicate functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121380 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with ↵Michael J. Spencer2010-12-0912-49/+100
| | | | | | error_code &ec. And fix clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ROTR and ROTRV mips32 instructions. Patch by Akira HatanakaBruno Cardoso Lopes2010-12-092-13/+28
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* Fix delay slot filler for non mips1 targets. Patch by Akira HatanakaBruno Cardoso Lopes2010-12-091-5/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121376 91177308-0d34-0410-b5e6-96231b3b80d8
* Dont' feed ILA two inputs - it takes just one.Kalle Raiskila2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121372 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy up.Jim Grosbach2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121371 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 columns.Jim Grosbach2010-12-091-3/+5
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* enhance memcpyopt to zap memcpy's that have the same src/dst.Chris Lattner2010-12-091-4/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121362 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR8753, eliminating a case where we'd infinitely make a Chris Lattner2010-12-091-0/+8
| | | | | | | | | substitution because it doesn't actually change the IR. Patch by Jakub Staszak! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121361 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite the darwin tlv support to use a chain and return to copyingEric Christopher2010-12-092-6/+9
| | | | | | | | | the output to the correct register. Fixes a hidden problem uncovered by the last patch where we'd try to DAG combine our MVT::Other node oddly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121358 91177308-0d34-0410-b5e6-96231b3b80d8
* Take the first step towards making LVI non-recursive: get rid of the ↵Owen Anderson2010-12-091-101/+39
| | | | | | LVIQuery abstraction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121357 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-col fixups.Eric Christopher2010-12-091-9/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121356 91177308-0d34-0410-b5e6-96231b3b80d8
* Reworking the stack layout generated by the MBlaze backend.Wesley Peck2010-12-0912-177/+127
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* Fix encoding of the immediate operands on post-indexed LDR and friends.Owen Anderson2010-12-091-39/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121354 91177308-0d34-0410-b5e6-96231b3b80d8
* Really check that the bits that will become zero are actually already zeroDan Gohman2010-12-091-2/+1
| | | | | | | before eliminating the operation that zeros them. This fixes rdar://8739316. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121353 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up some comments.Eric Christopher2010-12-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121351 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Thumb2 fixups for ldr.Owen Anderson2010-12-093-5/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121350 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a textual message to the assert.Jim Grosbach2010-12-091-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121349 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a sanity check assert() for t2ADD/SUBrSPi instructions that they really areJim Grosbach2010-12-091-0/+7
| | | | | | referencing the stack pointer as they say they are. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121347 91177308-0d34-0410-b5e6-96231b3b80d8
* When using multiple instructions to reference a frame index, make sure toJim Grosbach2010-12-091-0/+5
| | | | | | update the opcode when necessary as well as the source register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121346 91177308-0d34-0410-b5e6-96231b3b80d8
* The add/sub SP instructions are really pseudos. The assembler should ignoreJim Grosbach2010-12-091-0/+2
| | | | | | them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121345 91177308-0d34-0410-b5e6-96231b3b80d8
* IntervalMap iterators are heavyweight, so avoid copying them around and useJakob Stoklund Olesen2010-12-092-5/+25
| | | | | | | | | | | references instead. Similarly, IntervalMap::begin() is almost as expensive as find(), so use find(x) instead of begin().advanceTo(x); This makes RegAllocBasic run another 5% faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121344 91177308-0d34-0410-b5e6-96231b3b80d8
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