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* Split out the IRReader header and the utility functions it provides intoChandler Carruth2013-03-26
| | | | | | | | | | | | | | | | | | | | | | | | its own library. These functions are bridging between the bitcode reader and the ll parser which are in different libraries. Previously we didn't have any good library to do this, and instead played fast and loose with a "header only" set of interfaces in the Support library. This really doesn't work well as evidenced by the recent attempt to add timing logic to the these routines. As part of this, make them normal functions rather than weird inline functions, and sink the implementation into the library. Also clean up the header to be nice and minimal. This requires updating lots of build system dependencies to specify that the IRReader library is needed, and several source files to not implicitly rely upon the header file to transitively include all manner of other headers. If you are using IRReader.h, this commit will break you (the header moved) and you'll need to also update your library usage to include 'irreader'. I will commit the corresponding change to Clang momentarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177971 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM Scheduler Model: Add resources instructions, map resources in subtargetsArnold Schwaighofer2013-03-26
| | | | | | | | Move the CortexA9 resources into the CortexA9 SchedModel namespace. Define resource mappings under the CortexA9 SchedModel. Define resources and mappings for the SwiftModel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177968 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM Scheduler Model: Partial implementation of the new machine scheduler modelArnold Schwaighofer2013-03-26
| | | | | | | | | | This is very much work in progress. Please send me a note if you start to depend on the added abstract read/write resources. They are subject to change until further notice. The old itinerary is still the default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177967 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing file to cmake build.Nick Lewycky2013-03-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177963 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new watchdog timer interface. The interface does not permit handling ↵Nick Lewycky2013-03-26
| | | | | | | | | | timeouts, so it's only really useful if you're going to crash anyways. Use it in the pretty stack trace printer to kill the compiler if we hang while printing the stack trace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177962 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove testcase. It's failing on some platforms but not others.Bill Wendling2013-03-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177956 91177308-0d34-0410-b5e6-96231b3b80d8
* Hmm...not failing...oddBill Wendling2013-03-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177955 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily XFAIL this test until Michael can look at it.Bill Wendling2013-03-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177953 91177308-0d34-0410-b5e6-96231b3b80d8
* [ObjCARC Annotations] Added support for displaying the state of pointers at ↵Michael Gottesman2013-03-26
| | | | | | | | | | | | | | | | | | | | | | | the bottom/top of BBs of the ARC dataflow analysis for both bottomup and topdown analyses. This will allow for verification and analysis of the merge function of the data flow analyses in the ARC optimizer. The actual implementation of this feature is by introducing calls to the functions llvm.arc.annotation.{bottomup,topdown}.{bbstart,bbend} which are only declared. Each such call takes in a pointer to a global with the same name as the pointer whose provenance is being tracked and a pointer whose name is one of our Sequence states and points to a string that contains the same name. To ensure that the optimizer does not consider these annotations in any way, I made it so that the annotations are considered to be of IC_None type. A test case is included for this commit and the previous ObjCARCAnnotation commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177952 91177308-0d34-0410-b5e6-96231b3b80d8
* [ObjCARC Annotations] Implemented ARC annotation metadata to expose the ARC ↵Michael Gottesman2013-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | data flow analysis state in the IR via metadata. Previously the inner works of the data flow analysis in ObjCARCOpts was hard to get out of the optimizer for analysis of bugs or testing. All of the current ARC unit tests are based off of testing the effect of the data flow analysis (i.e. what statements are removed or moved, etc.). This creates weakness in the current unit testing regimem since we are not actually testing what effects various instructions have on the modeled pointer state. Additionally in order to analyze a bug in the optimizer, one would need to track by hand what the optimizer was actually doing either through use of DEBUG statements or through the usage of a debugger, both yielding large loses in developer productivity. This patch deals with these two issues by providing ARC annotation metadata that annotates instructions with the state changes that they cause in various pointers as well as provides metadata to annotate provenance sources. Specifically, we introduce the following metadata types: 1. llvm.arc.annotation.bottomup. 2. llvm.arc.annotation.topdown. 3. llvm.arc.annotation.provenancesource. llvm.arc.annotation.{bottomup,topdown}: These annotations describes a state change in a pointer when we are visiting instructions bottomup/topdown respectively. The output format for both is the same: !1 = metadata !{metadata !"(test,%x)", metadata !"S_Release", metadata !"S_Use"} The first element is a string tuple with the following format: (function,variable name) The second two elements of the metadata show the previous state of the pointer (in this case S_Release) and the new state of the pointer (S_Use). We write the metadata in such a manner to ensure that it is easy for outside tools to parse. This is important since I am currently working on a tool for taking this information and pretty printing it besides the IR and that can be used for LIT style testing via the generation of an index. llvm.arc.annotation.provenancesource: This metadata is used to annotate instructions which act as provenance sources, i.e. ones that introduce a new (from the optimizer's perspective) non-argument pointer to track. This enables cross-referencing in between provenance sources and the state changes that occur to them. This is still a work in progress. Additionally I plan on committing later today additions to the annotations that annotate at the top/bottom of basic blocks the state of the various pointers being tracked. *NOTE* The metadata support is conditionally compiled into libObjCARCOpts only when we are producing a debug build of llvm/clang and even so are disabled by default. To enable the annotation metadata, pass in -enable-objc-arc-annotations to opt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177951 91177308-0d34-0410-b5e6-96231b3b80d8
* Added documentation to LangRef for the intrinsic llvm.ptr.annotation.* which ↵Michael Gottesman2013-03-26
| | | | | | for some reason was never written. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177950 91177308-0d34-0410-b5e6-96231b3b80d8
* Revise alignment checking/calculation on 256-bit unaligned memory accessMichael Liao2013-03-25
| | | | | | | | | | | - It's still considered aligned when the specified alignment is larger than the natural alignment; - The new alignment for the high 128-bit vector should be min(16, alignment) as the pointer is advanced by 16, a power-of-2 offset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177947 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance folding of (extract_subvec (insert_subvec V1, V2, IIdx), EIdx)Michael Liao2013-03-25
| | | | | | | | | | - Handle the case where the result of 'insert_subvect' is bitcasted before 'extract_subvec'. This removes the redundant insertf128/extractf128 pair on unaligned 256-bit vector load/store on vectors of non 64-bit integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177945 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an -mcpu option to a test that is apparently scheduler-sensitive.Jakob Stoklund Olesen2013-03-25
| | | | | | This should fix the clang-atom-d2700-ubuntu-rel buildbot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177943 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a scheduling model for Intel Sandy Bridge microarchitecture.Jakob Stoklund Olesen2013-03-25
| | | | | | | The model isn't hooked up by this patch because the instruction set isn't fully annotated yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177942 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a tiny CMake project to gather Subversion revision information and ↵Douglas Gregor2013-03-25
| | | | | | place it into a header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177938 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove IIC_DEFAULT from X86Schedule.tdJakob Stoklund Olesen2013-03-25
| | | | | | | | All the instructions tagged with IIC_DEFAULT had nothing in common, and we already have a NoItineraries class to represent untagged instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177937 91177308-0d34-0410-b5e6-96231b3b80d8
* Annotate X86InstrCompiler.td with SchedRW lists.Jakob Stoklund Olesen2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177936 91177308-0d34-0410-b5e6-96231b3b80d8
* Annotate shifts and rotates with SchedRW lists.Jakob Stoklund Olesen2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177935 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable some unsafe-fp-math DAG-combine transformation after legalization.Shuxin Yang2013-03-25
| | | | | | | | | | | | | | | For instance, following transformation will be disabled: x + x + x => 3.0f * x; The problem of these transformations is that it introduces a FP constant, which following Instruction-Selection pass cannot handle. Reviewed by Nadav, thanks a lot! rdar://13445387 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177933 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an optimizer-side test case for ARC bug <rdar://13195034>, fixedJohn McCall2013-03-25
| | | | | | in the frontend with @clang.arc.use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177928 91177308-0d34-0410-b5e6-96231b3b80d8
* Couple more sets of tidying.Eric Christopher2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177920 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable profiling tests for Hexagon since it doesn't support JIT.Jyotsna Verma2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177917 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/CodeGen/X86/atomic{32|64}.ll: Unmark them out of XFAIL:win32.NAKAMURA Takumi2013-03-25
| | | | | | | I know it is incorrect and they'd fail with +Asserts for win32 targets, though. I'll try to fix them tonight. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177914 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL some of the generic CodeGen tests for Hexagon.Jyotsna Verma2013-03-25
| | | | | | | | | | | | | | test/CodeGen/Generic/2008-02-20-MatchingMem.ll: Test contains inline assembly not supported by Hexagon. Following tests are XFAILed due to multiple return values which Hexagon doesn't support. test/CodeGen/Generic/multiple-return-values-cross-block-with-invoke.ll test/CodeGen/Generic/select-cc.ll test/CodeGen/Generic/vector.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177912 91177308-0d34-0410-b5e6-96231b3b80d8
* X86DisassemblerDecoder.c: Make this C89-compliant.NAKAMURA Takumi2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177910 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace.NAKAMURA Takumi2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177909 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in fast-math fadd/fsub simplification. Shuxin Yang2013-03-25
| | | | | | | | | | | | The problem is that the code mistakenly took for granted that following constructor is able to create an APFloat from a *SIGNED* integer: APFloat::APFloat(const fltSemantics &ourSemantics, integerPart value) rdar://13486998 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177906 91177308-0d34-0410-b5e6-96231b3b80d8
* [ELF] dont compute symbolname size in every loopShankar Easwaran2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177903 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL DebugInfo tests for Hexagon.Jyotsna Verma2013-03-25
| | | | | | | | | | | | | Hexagon does not support -filetype=obj(direct object generation) flag. Therefore, the following tests are being XFAILed: test/DebugInfo/dwarf-public-names.ll test/DebugInfo/member-pointers.ll test/DebugInfo/two-cus-from-same-file.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177901 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment.Akira Hatanaka2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177899 91177308-0d34-0410-b5e6-96231b3b80d8
* Formatting.Eric Christopher2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177898 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable Execution Engine tests not supported by Hexagon.Jyotsna Verma2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177896 91177308-0d34-0410-b5e6-96231b3b80d8
* reflect comment to the official referenceShankar Easwaran2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177895 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable, for now, llvm/test/Transforms/GCOVProfiling on win32. I'll ↵NAKAMURA Takumi2013-03-25
| | | | | | investigate them later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177894 91177308-0d34-0410-b5e6-96231b3b80d8
* Use direct types in PowerPC instruction patterns.Ulrich Weigand2013-03-25
| | | | | | | | | | | This commit updates the PowerPC back-end (PPCInstrInfo.td and PPCInstr64Bit.td) to use types instead of register classes in instruction patterns, along the lines of Jakob Stoklund Olesen's changes in r177835 for Sparc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177890 91177308-0d34-0410-b5e6-96231b3b80d8
* Use direct types in PowerPC Pat patterns.Ulrich Weigand2013-03-25
| | | | | | | | | | | This commit updates the PowerPC back-end (PPCInstrInfo.td and PPCInstr64Bit.td) to use types instead of register classes in Pat patterns, along the lines of Jakob Stoklund Olesen's changes in r177829 for Sparc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177889 91177308-0d34-0410-b5e6-96231b3b80d8
* x86 -- add the XTEST instructionDave Zarzycki2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177888 91177308-0d34-0410-b5e6-96231b3b80d8
* x86 -- disassemble the REP/REPNE prefix when neededDave Zarzycki2013-03-25
| | | | | | This fixes Apple bug: 13493622 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177887 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary attributes from test case.Chad Rosier2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177882 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove assert. There may be target-dependent attributes left.Bill Wendling2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177878 91177308-0d34-0410-b5e6-96231b3b80d8
* Documentation: Replace dead link for binfmt_miscDmitri Gribenko2013-03-25
| | | | | | | Patch by Thomas Schwinge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177876 91177308-0d34-0410-b5e6-96231b3b80d8
* [arm load/store optimizer] When trying to merge a base update load/store, makeChad Rosier2013-03-25
| | | | | | | | | | | sure the base register and would-be writeback register don't conflict for stores. This was already being done for loads. Unfortunately, it is rather difficult to create a test case for this issue. It was exposed in 450.soplex at LTO and requires unlucky register allocation. <rdar://13394908> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177874 91177308-0d34-0410-b5e6-96231b3b80d8
* [tools][llvm-readobj] print the name of the section when iterating the ↵Shankar Easwaran2013-03-25
| | | | | | symbol table / dynamic symbol table git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177873 91177308-0d34-0410-b5e6-96231b3b80d8
* [ELF] add elf_hash function to compute the hash value of a symbol in the ↵Shankar Easwaran2013-03-25
| | | | | | dynamic symbol table git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177872 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach cmake about the new Erlang GC files.Duncan Sands2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177869 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a GC plugin for ErlangYiannis Tsiouris2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177867 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use add_llvm_definitions for adding warning flags. It makes it too hardDuncan Sands2013-03-25
| | | | | | | | | | to have them appear in the right order. Instead append all warnings explicitly to the language flags. This was already the case for many warnings. Fixes the issue of -Wno-maybe-uninitialized not being effective because -Wall was being placed after it rather than before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177866 91177308-0d34-0410-b5e6-96231b3b80d8
* Refine fenv.h handling: check if the desired macros exist, before usingJoerg Sonnenberger2013-03-25
| | | | | | | | it. NetBSD/ARM and TILE-Gx are examples for platforms that have an unusable fenv.h and this avoids the need for a blacklist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177865 91177308-0d34-0410-b5e6-96231b3b80d8
* Address issues found by Duncan during post-commit review of r177856.Arnaud A. de Grandmaison2013-03-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177863 91177308-0d34-0410-b5e6-96231b3b80d8
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