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* Implement cfi_restore. Patch by Brian Anderson!Rafael Espindola2011-12-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147356 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename Remember and Restore to RememberState and RestoreState for consistency.Rafael Espindola2011-12-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147354 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement .cfi_escape. Patch by Brian Anderson!Rafael Espindola2011-12-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147352 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix grammar error noticed by Duncan.Rafael Espindola2011-12-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147333 91177308-0d34-0410-b5e6-96231b3b80d8
* Change CaptureTracking to pass a Use* instead of a Value* when a value isNick Lewycky2011-12-28
| | | | | | | | | | | | | | | captured. This allows the tracker to look at the specific use, which may be especially interesting for function calls. Use this to fix 'nocapture' deduction in FunctionAttrs. The existing one does not iterate until a fixpoint and does not guarantee that it produces the same result regardless of iteration order. The new implementation builds up a graph of how arguments are passed from function to function, and uses a bottom-up walk on the argument-SCCs to assign nocapture. This gets us nocapture more often, and does so rather efficiently and independent of iteration order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147327 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch StringMap from an array of structures to a structure of arrays.Benjamin Kramer2011-12-27
| | | | | | | - -25% memory usage of the main table on x86_64 (was wasted in struct padding). - no significant performance change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147294 91177308-0d34-0410-b5e6-96231b3b80d8
* Section relative fixups are a coff concept, not a x86 one. Replace theRafael Espindola2011-12-24
| | | | | | x86 specific reloc_coff_secrel32 with a generic FK_SecRel_4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147252 91177308-0d34-0410-b5e6-96231b3b80d8
* Move x86 specific bits of the COFF writer to lib/Target/X86.Rafael Espindola2011-12-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147231 91177308-0d34-0410-b5e6-96231b3b80d8
* Define trivial destructor inline.Rafael Espindola2011-12-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147230 91177308-0d34-0410-b5e6-96231b3b80d8
* Make GetRelocType pure virtual.Rafael Espindola2011-12-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147229 91177308-0d34-0410-b5e6-96231b3b80d8
* When not destroying the source, the linker is not remapping the types. Added ↵Mon P Wang2011-12-23
| | | | | | | | | support to CloneFunctionInto to allow remapping for this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147217 91177308-0d34-0410-b5e6-96231b3b80d8
* fix typoChris Lattner2011-12-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147159 91177308-0d34-0410-b5e6-96231b3b80d8
* Move PPC bits to lib/Target/PowerPC.Rafael Espindola2011-12-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147124 91177308-0d34-0410-b5e6-96231b3b80d8
* Local dynamic TLS model for direct object output. Create the correct TLS MIPSAkira Hatanaka2011-12-22
| | | | | | | | | | ELF relocations. Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147118 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the ARM specific parts of the ELF writer to Target/ARM.Rafael Espindola2011-12-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147115 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed typo.Lang Hames2011-12-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147113 91177308-0d34-0410-b5e6-96231b3b80d8
* Move common code into an MRI function.Jakob Stoklund Olesen2011-12-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147071 91177308-0d34-0410-b5e6-96231b3b80d8
* Changes the JSON parser to use the SourceMgr.Manuel Klimek2011-12-21
| | | | | | | | Diagnostics are now emitted via the SourceMgr and we use MemoryBuffer for buffer management. Switched the code to make use of the trailing '0' that MemoryBuffer guarantees where it makes sense. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147063 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the X86 specific bits of the ELF writer to the Target/X86 directory.Rafael Espindola2011-12-21
| | | | | | Other targets will follow shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147060 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce the exposure of Triple::OSType in the ELF object writer. This willRafael Espindola2011-12-21
| | | | | | | avoid including ADT/Triple.h in many places when the target specific bits are moved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147059 91177308-0d34-0410-b5e6-96231b3b80d8
* Add const.Rafael Espindola2011-12-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147054 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some constantness to BranchProbabilityInfo and BlockFrequnencyInfo.Jakub Staszak2011-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146986 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to add named metadata operand.Devang Patel2011-12-20
| | | | | | | Patch by Andrew Wilkins! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146984 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes a potential compilation error.Manuel Klimek2011-12-20
| | | | | | | Pulling the template implementation into the header to guarantee that it's visible to all possible instantiations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146973 91177308-0d34-0410-b5e6-96231b3b80d8
* Pulls the implementation of skip() into JSONParser.Manuel Klimek2011-12-20
| | | | | | | This is the first step towards migrating more of the parser implementation into the parser class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146971 91177308-0d34-0410-b5e6-96231b3b80d8
* Addressing style issues in JSON parser.Manuel Klimek2011-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146968 91177308-0d34-0410-b5e6-96231b3b80d8
* Unweaken vtables as per ↵David Blaikie2011-12-20
| | | | | | http://llvm.org/docs/CodingStandards.html#ll_virtual_anch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
* fix typoChris Lattner2011-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146940 91177308-0d34-0410-b5e6-96231b3b80d8
* add a method to improve compatibility with SmallVector.Chris Lattner2011-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146928 91177308-0d34-0410-b5e6-96231b3b80d8
* Add basic generic CodeGen support for half.Dan Gohman2011-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146927 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a if-conversion optimization that allows 'true' side of a diamond to beEvan Cheng2011-12-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | unpredicated. That is, turn subeq r0, r1, #1 addne r0, r1, #1 into sub r0, r1, #1 addne r0, r1, #1 For targets where conditional instructions are always executed, this may be beneficial. It may remove pseudo anti-dependency in out-of-order execution CPUs. e.g. op r1, ... str r1, [r10] ; end-of-life of r1 as div result cmp r0, #65 movne r1, #44 ; raw dependency on previous r1 moveq r1, #12 If movne is unpredicated, then op r1, ... str r1, [r10] cmp r0, #65 mov r1, #44 ; r1 written unconditionally moveq r1, #12 Both mov and moveq are no longer depdendent on the first instruction. This gives the out-of-order execution engine more freedom to reorder them. This has passed entire LLVM test suite. But it has not been enabled for any ARM variant pending more performance evaluation. rdar://8951196 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146914 91177308-0d34-0410-b5e6-96231b3b80d8
* Add "using" to silence warnings.Eli Friedman2011-12-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146913 91177308-0d34-0410-b5e6-96231b3b80d8
* Attempt to fix PR11607 by shuffling around which class defines which methods.Eli Friedman2011-12-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146897 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit a getMatchingSuperRegClass() implementation for every target.Jakob Stoklund Olesen2011-12-19
| | | | | | | | | Use information computed while inferring new register classes to emit accurate, table-driven implementations of getMatchingSuperRegClass(). Delete the old manual, error-prone implementations in the targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146873 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow inlining of functions with returns_twice calls, if they have theJoerg Sonnenberger2011-12-18
| | | | | | | attribute themselve. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146851 91177308-0d34-0410-b5e6-96231b3b80d8
* As Doug pointed out (and I really should know), it is perfectly easy toChandler Carruth2011-12-17
| | | | | | | | | make VariadicFunction actually be trivial. Do so, and also make it look more like your standard trivial functor by making it a struct with no access specifiers. The unit test is updated to initialize its functors properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146827 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor code used in InstCombine::FoldAndOfICmps to new file.Pete Cooper2011-12-17
| | | | | | This will be used by SimplifyCfg in a later commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146803 91177308-0d34-0410-b5e6-96231b3b80d8
* Add back the MC bits of 126425. Original patch by Nathan Jeffords. I added theRafael Espindola2011-12-17
| | | | | | asm parsing and testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146801 91177308-0d34-0410-b5e6-96231b3b80d8
* The powers that be have decided that LLVM IR should now support 16-bitDan Gohman2011-12-17
| | | | | | | | | "half precision" floating-point with a first-class type. This patch adds basic IR support (but not codegen support). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
* Adds a JSON parser and a benchmark (json-bench) to catch performance ↵Manuel Klimek2011-12-16
| | | | | | regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146735 91177308-0d34-0410-b5e6-96231b3b80d8
* Make GCC happy by using makeAraryRef instead of the implicit conversion.Chandler Carruth2011-12-16
| | | | | | | I have no idea why GCC can't cope with the implicit conversion and Clang can, or whose bug it is. Grr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146732 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a generic collection of class templates to ADT for buildingChandler Carruth2011-12-16
| | | | | | | | | | | | variadic-like functions in C++98. See the comments in the header file for a more detailed description of how these work. We plan to use these extensively in the AST matching library. This code and idea were originally authored by Zhanyong Wan. I've condensed it using macros to reduce repeatition and adjusted it to fit better with LLVM's ADT. Thanks to both David Blaikie and Doug Gregor for the review! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146729 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] fix a bug (issue 19) where dlclose and the following mmap caused a ↵Kostya Serebryany2011-12-15
| | | | | | false positive. compiler part. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146688 91177308-0d34-0410-b5e6-96231b3b80d8
* Zap unnecessary semicolons.Eli Friedman2011-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146682 91177308-0d34-0410-b5e6-96231b3b80d8
* Update DebugLoc while merging nodes at -O0.Devang Patel2011-12-15
| | | | | | | Patch by Kyriakos Georgiou! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146670 91177308-0d34-0410-b5e6-96231b3b80d8
* Move Instruction::isSafeToSpeculativelyExecute out of VMCore andDan Gohman2011-12-14
| | | | | | | | | | into Analysis as a standalone function, since there's no need for it to be in VMCore. Also, update it to use isKnownNonZero and other goodies available in Analysis, making it more precise, enabling more aggressive optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146610 91177308-0d34-0410-b5e6-96231b3b80d8
* Model ARM predicated write as read-mod-write. e.g.Evan Cheng2011-12-14
| | | | | | | | | | | | r0 = mov #0 r0 = moveq #1 Then the second instruction has an implicit data dependency on the first instruction. Sadly I have yet to come up with a small test case that demonstrate the post-ra scheduler taking advantage of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146583 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for local dynamic TLS model in LowerGlobalTLSAddress. Direct objectAkira Hatanaka2011-12-14
| | | | | | | | | emission is not supported yet, but a patch that adds the support should follow soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146572 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow target to specify register output dependency. Still default to one.Evan Cheng2011-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146547 91177308-0d34-0410-b5e6-96231b3b80d8
* - Add MachineInstrBundle.h and MachineInstrBundle.cpp. This includes a functionEvan Cheng2011-12-14
| | | | | | | | | | | to finalize MI bundles (i.e. add BUNDLE instruction and computing register def and use lists of the BUNDLE instruction) and a pass to unpack bundles. - Teach more of MachineBasic and MachineInstr methods to be bundle aware. - Switch Thumb2 IT block to MI bundles and delete the hazard recognizer hack to prevent IT blocks from being broken apart. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146542 91177308-0d34-0410-b5e6-96231b3b80d8
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