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* More MSan/ASan annotations.Evgeniy Stepanov2013-02-04
| | | | | | | | | | | | | | | This change lets us bootstrap LLVM/Clang under ASan and MSan. It contains fixes for 2 issues: - X86JIT reads return address from stack, which MSan does not know is initialized. - bugpoint tests run binaries with RLIMIT_AS. This does not work with certain Sanitizers. We are no longer including config.h in Compiler.h with this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174306 91177308-0d34-0410-b5e6-96231b3b80d8
* [DebugInfo] remove more node indirection (this time from the subprogram's ↵David Blaikie2013-02-04
| | | | | | variable lists) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174305 91177308-0d34-0410-b5e6-96231b3b80d8
* PR15149: crash when printing debug info metadata containing an invalid ↵David Blaikie2013-02-04
| | | | | | language spec git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174304 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cost model: Penalize insertelement into D subregistersArnold Schwaighofer2013-02-04
| | | | | | | | | | | Swift has a renaming dependency if we load into D subregisters. We don't have a way of distinguishing between insertelement operations of values from loads and other values. Therefore, we are pessimistic for now (The performance problem showed up in example 14 of gcc-loops). radar://13096933 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174300 91177308-0d34-0410-b5e6-96231b3b80d8
* PPCDarwinAsmPrinter::EmitStartOfAsmFile(): Add checking range in ↵NAKAMURA Takumi2013-02-04
| | | | | | CPUDirectives[]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174298 91177308-0d34-0410-b5e6-96231b3b80d8
* PPCDarwinAsmPrinter::EmitStartOfAsmFile(): Add possible elements in ↵NAKAMURA Takumi2013-02-04
| | | | | | CPUDirectives[]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174297 91177308-0d34-0410-b5e6-96231b3b80d8
* Added instance variable/initializers/getter/setters for new keyword ↵Michael Gottesman2013-02-03
| | | | | | | | | | | | | | externally initialized to GlobalVariable. No *TRUE* functionality change. I am going to add in the actual test cases with the actual functionality changes in a later patch because I want to include some test cases. To be clear when I say no *TRUE* functionality change I mean that this patch (like it says in the title) only contains getters/setters and sets up a default initial value of the instance variable to false so that this patch does not affect any other uses of Global Variable.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174295 91177308-0d34-0410-b5e6-96231b3b80d8
* use GEP::accumulateConstantOffset() to replace custom written code to ↵Nuno Lopes2013-02-03
| | | | | | compute GEP offset git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174279 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][Archive] Improve performance.Michael J. Spencer2013-02-03
| | | | | | | | | | | | Improve performance of iterating over children and accessing the member file buffer by caching the file size and moving code out to the header. This also makes getBuffer return a StringRef instead of a MemoryBuffer. Both fixing a memory leak and removing a malloc. This takes getBuffer from ~10% of the time in lld to unmeasurable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174272 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Add LLVM_IS_UNALIGNED_ACCESS_FAST.Michael J. Spencer2013-02-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174271 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the (apparently) unnecessary debug info metadata indirection.David Blaikie2013-02-02
| | | | | | | | | | The main lists of debug info metadata attached to the compile_unit had an extra layer of metadata nodes they went through for no apparent reason. This patch removes that (& still passes just as much of the GDB 7.5 test suite). If anyone can show evidence as to why these extra metadata nodes are there I'm open to reverting this patch & documenting why they're there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174266 91177308-0d34-0410-b5e6-96231b3b80d8
* Start static relocation implementation for mips16.Reed Kotler2013-02-02
| | | | | | | | This checkin makes hello world work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174264 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove AttrBuilder::Raw().Bill Wendling2013-02-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174251 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the AttributeSet's iterators.Bill Wendling2013-02-02
| | | | | | | | Use the AttributeSet's iterators in AttrBuilder::hasAttributes() when determining of the intersection of the AttrBuilder and AttributeSet is non-null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174250 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert accidental commit (ran svn commit from wrong directory).Nick Lewycky2013-02-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174241 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch makes "&Cls::purevfn" not an odr use. This isn't what the standardNick Lewycky2013-02-02
| | | | | | | | | | says, but that's a defect (to be filed). "Cls::purevfn()" is still an odr use. Also fixes a bug in the previous patch that caused us to not mark the function referenced just because we didn't want to mark it odr used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174240 91177308-0d34-0410-b5e6-96231b3b80d8
* rdar://13126763Shuxin Yang2013-02-02
| | | | | | | | Fix a bug in DAGCombine. The symptom is mistakenly optimizing expression "x + x*x" into "x * 3.0". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174239 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct indentation for dumping LexicalScope.Manman Ren2013-02-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174237 91177308-0d34-0410-b5e6-96231b3b80d8
* [Dwarf] avoid emitting multiple AT_const_value for static memebers.Manman Ren2013-02-01
| | | | | | | | | Testing case is reduced from MultiSource/BenchMarks/Prolangs-C++/deriv1. rdar://problem/13071590 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174235 91177308-0d34-0410-b5e6-96231b3b80d8
* Add notes about future PowerPC featuresBill Schmidt2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174232 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVM enablement for some older PowerPC CPUsBill Schmidt2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174230 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the AttributeImpl to hold a single Constant* for the values.Bill Wendling2013-02-01
| | | | | | | This Constant could be an aggregate to represent multiple values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174228 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch aims to improve compile time performance by increasingPreston Gurd2013-02-01
| | | | | | | | | | | | | | | | the SCEV vector size in LoopStrengthReduce. It is observed that the BaseRegs vector size is 4 in most cases, and elements are frequently copied when it is initialized as SmallVector<const SCEV *, 2> BaseRegs. Our benchmark results show that the compilation time performance improved by ~0.5%. Patch by Wan Xiaofei. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174219 91177308-0d34-0410-b5e6-96231b3b80d8
* Two changes relevant to LEA and x32:David Sehr2013-02-01
| | | | | | | | | | | | 1) allows the use of RIP-relative addressing in 32-bit LEA instructions under x86-64 (ILP32 and LP64) 2) separates the size of address registers in 64-bit LEA instructions from control by ILP32/LP64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174208 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix errant fallthrough in the generation of the lifetime markers.Nadav Rotem2013-02-01
| | | | | | | | Found by Alexander Kornienko. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174207 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix misplaced 'break'.Jim Grosbach2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174205 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a continue to simplify loop and reduce indentation. No functional change.Chad Rosier2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174198 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace LDriu*[bhdw]_indexed_V4 instructions with "def Pats".Jyotsna Verma2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174193 91177308-0d34-0410-b5e6-96231b3b80d8
* Add appropriate TSFlags to the instructions that must be always extended.Jyotsna Verma2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174186 91177308-0d34-0410-b5e6-96231b3b80d8
* InstSimplify: stripAndComputeConstantOffsets can be called with vectors of ↵Benjamin Kramer2013-02-01
| | | | | | | | | | pointers too. Prepare it for vectors of pointers and handle simple cases. We don't handle complicated cases because accumulateConstantOffset bails on pointer vectors. Fixes selfhost on i386. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174179 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove currently unused register decoder from AArch64.Tim Northover2013-02-01
| | | | | | This should fix a warning when building this backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174177 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r174152. The shift amount may overflow and in that case this ↵Nadav Rotem2013-02-01
| | | | | | transformation is illegal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174156 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize shift lefts of a constant by a value plus constant into a single shift.Nadav Rotem2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174152 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some dead code, improve some asserts, and other assorted changes. No ↵Bill Wendling2013-02-01
| | | | | | functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174132 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment explaining an unavailable optimization.Dan Gohman2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174131 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove one of the odious 'Raw' methods.Bill Wendling2013-02-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174130 91177308-0d34-0410-b5e6-96231b3b80d8
* Use iterators instead of relying upon a bitmask of attributes to remove ↵Bill Wendling2013-02-01
| | | | | | attributes from an AttrBuilder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174123 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite instsimplify's handling if icmp on pointer values to remove theDan Gohman2013-02-01
| | | | | | | | | | | | | remaining use of AliasAnalysis concepts such as isIdentifiedObject to prove pointer inequality. @external_compare in test/Transforms/InstSimplify/compare.ll shows a simple case where a noalias argument can be equal to a global variable address, and while AliasAnalysis can get away with saying that these pointers don't alias, instsimplify cannot say that they are not equal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174122 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix another typo in the classof definitions that doesn't (currently)Chandler Carruth2013-02-01
| | | | | | have any effect. Spotted by Eli in review, thanks!!! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174121 91177308-0d34-0410-b5e6-96231b3b80d8
* Add iterators to the AttributeSet class so that we can access the Attributes ↵Bill Wendling2013-01-31
| | | | | | in a nice way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174120 91177308-0d34-0410-b5e6-96231b3b80d8
* An alloca can be equal to an argument. It can't *alias* an alloca, but it couldDan Gohman2013-01-31
| | | | | | | | be equal, since there's nothing preventing a caller from correctly predicting the stack location of an alloca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174119 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch the code added in r173885 to use the new, shiny RTTIChandler Carruth2013-01-31
| | | | | | | | | | | | | | | | | | | | | | | infrastructure on MCStreamer to test for whether there is an MCELFStreamer object available. This is just a cleanup on the AsmPrinter side of things, moving ad-hoc tests of random APIs to a direct type query. But the AsmParser completely broken. There were no tests, it just blindly cast its streamer to an MCELFStreamer and started manipulating it. I don't have a test case -- this actually failed on LLVM's own regression test suite. Unfortunately the failure only appears when the stars, compilers, and runtime align to misbehave when we read a pointer to a formatted_raw_ostream as-if it were an MCAssembler. =/ UBSan would catch this immediately. Many thanks to Matt for doing about 80% of the debugging work here in GDB, Jim for helping to explain how exactly to fix this, and others for putting up with the hair pulling that ensued during debugging it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174118 91177308-0d34-0410-b5e6-96231b3b80d8
* s/AttrBuilder::addAttributes/AttrBuilder::addAttribute/g because that's more ↵Bill Wendling2013-01-31
| | | | | | descriptive of what it actually is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174116 91177308-0d34-0410-b5e6-96231b3b80d8
* Give the MCStreamer class hierarchy LLVM RTTI facilities for use withChandler Carruth2013-01-31
| | | | | | | | | | | | | | | | isa<> and dyn_cast<>. In several places, code is already hacking around the absence of this, and there seem to be several interfaces that might be lifted and/or devirtualized using this. This change was based on a discussion with Jim Grosbach about how best to handle testing for specific MCStreamer subclasses. He said that this was the correct end state, and everything else was too hacky so I decided to just make it so. No functionality should be changed here, this is just threading the kind through all the constructors and setting up the classof overloads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174113 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the AttrBuilder form of the Attribute::get creators.Bill Wendling2013-01-31
| | | | | | | | | | | | | | The AttrBuilder is for building a collection of attributes. The Attribute object holds only one attribute. So it's not really useful for the Attribute object to have a creator which takes an AttrBuilder. This has two fallouts: 1. The AttrBuilder no longer holds its internal attributes in a bit-mask form. 2. The attributes are now ordered alphabetically (hence why the tests have changed). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174110 91177308-0d34-0410-b5e6-96231b3b80d8
* Update AMDGPURegisterInfo::eliminateFrameIndex() corresponding to r174083.NAKAMURA Takumi2013-01-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174106 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Fold clamp, neg, absTom Stellard2013-01-31
| | | | | | | | Patch by: Vincent Lejeune Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174099 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Consider bitcast when folding const_address node.Tom Stellard2013-01-31
| | | | | | | | Patch by: Vincent Lejeune Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174098 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Make store_dummy intrinsic more general by passing export typeTom Stellard2013-01-31
| | | | | | | | Patch by: Vincent Lejeune Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174097 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused variable, which should have been removed with r174083.Chad Rosier2013-01-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174094 91177308-0d34-0410-b5e6-96231b3b80d8
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