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* Use "NoItineraries" for processors with no itineraries.Andrew Trick2012-06-226-47/+45
| | | | | | | | This makes it explicit when ScoreboardHazardRecognizer will be used. "GenericItineraries" would only make sense if it contained real itinerary values and still required ScoreboardHazardRecognizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158963 91177308-0d34-0410-b5e6-96231b3b80d8
* Functions calling __builtin_eh_return must have a frame pointer.Jakob Stoklund Olesen2012-06-222-4/+25
| | | | | | | | | | | | | | The code in X86TargetLowering::LowerEH_RETURN() assumes that a frame pointer exists, but the frame pointer was forced by the presence of llvm.eh.unwind.init which isn't guaranteed. If llvm.eh.unwind.init is actually required in functions calling eh.return (is it?), we should diagnose that instead of emitting bad machine code. This should fix the dragonegg-x86_64-linux-gcc-4.6-test bot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158961 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM scheduling fix: don't guess at implicit operand latency.Andrew Trick2012-06-221-5/+9
| | | | | | | | | | This is a minor drive-by fix with no robust way to unit test. As an example see neon-div.ll: SU(16): %Q8<def> = VMOVLsv4i32 %D17, pred:14, pred:%noreg, %Q8<imp-use,kill> val SU(1): Latency=2 Reg=%Q8 ...should be latency=1 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158960 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM scheduling fix: compute predicated implicit use properly.Andrew Trick2012-06-222-6/+4
| | | | | | | | Minor drive by fix to cleanup latency computation. Calling getOperandLatency with a deliberately incorrect operand index does not give you the latency you want. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158959 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit relocations for DW_AT_location entries on systems which need it. This isNick Lewycky2012-06-227-18/+143
| | | | | | | a recommit of r127757. Fixes PR9493. Patch by Paul Robinson! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158957 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename -allow-excess-fp-precision flag to -fuse-fp-ops, and switch from aLang Hames2012-06-229-24/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | boolean flag to an enum: { Fast, Standard, Strict } (default = Standard). This option controls the creation by optimizations of fused FP ops that store intermediate results in higher precision than IEEE allows (E.g. FMAs). The behavior of this option is intended to match the behaviour specified by a soon-to-be-introduced frontend flag: '-ffuse-fp-ops'. Fast mode - allows formation of fused FP ops whenever they're profitable. Standard mode - allow fusion only for 'blessed' FP ops. At present the only blessed op is the fmuladd intrinsic. In the future more blessed ops may be added. Strict mode - allow fusion only if/when it can be proven that the excess precision won't effect the result. Note: This option only controls formation of fused ops by the optimizers. Fused operations that are explicitly requested (e.g. FMA via the llvm.fma.* intrinsic) will always be honored, regardless of the value of this option. Internally TargetOptions::AllowExcessFPPrecision has been replaced by TargetOptions::AllowFPOpFusion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158956 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert the PPC backend to use the new FMA infrastructure.Hal Finkel2012-06-224-42/+48
| | | | | | | The existing contraction patterns are replaced with fma/fneg. Overall functionality should be the same. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158955 91177308-0d34-0410-b5e6-96231b3b80d8
* fix whitespace in my last commit.Nuno Lopes2012-06-221-1/+1
| | | | | | sorry for the churn :S enough for today; going to sleep. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158953 91177308-0d34-0410-b5e6-96231b3b80d8
* remove extractMallocCallFromBitCast, since it was tailor maded for its sole ↵Nuno Lopes2012-06-223-17/+5
| | | | | | user. Update GlobalOpt accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158952 91177308-0d34-0410-b5e6-96231b3b80d8
* instcombine: disable optimization of 'invoke null/undef'. I'll move this ↵Nuno Lopes2012-06-212-11/+58
| | | | | | | | functionality to SimplifyCFG (since we cannot make changes to the CFG here). Fixes the crashes with the attached test case git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158951 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Sphinxify GettingStartedVS. Patch by Mikael Lyngvig!Michael J. Spencer2012-06-213-368/+235
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158947 91177308-0d34-0410-b5e6-96231b3b80d8
* Look pass zext to strength reduce an udiv. Patch by David Majnemer. ↵Evan Cheng2012-06-213-10/+27
| | | | | | rdar://11721329 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158946 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove trailing whitespacesArnaud A. de Grandmaison2012-06-211-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158943 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/unittests: Simplify LINK_COMPONENTS.NAKAMURA Takumi2012-06-219-11/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158942 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/unittests/VMCore/CMakeLists.txt: Introduce LLVM_OPTIONAL_SOURCES here, too.NAKAMURA Takumi2012-06-211-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158941 91177308-0d34-0410-b5e6-96231b3b80d8
* The inline asm operand modifier 'n' is suppose Jack Carter2012-06-213-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | to be generic across architectures. It has the following description in the gnu sources: Negate the immediate constant Several Architectures such as x86 have local implementations of operand modifier 'n' which go beyond the above description slightly. This won't affect them. Affected files: lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp Added 'n' to the switch cases. test/CodeGen/Generic/asm-large-immediate.ll Generic compiled test (x86 for me) test/CodeGen/Mips/asm-large-immediate.ll Mips compiled version of the generic one Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158939 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for invoke to the MemoryBuiltin analysid.Nuno Lopes2012-06-215-29/+66
| | | | | | | | Update comments accordingly. Make instcombine remove useless invokes to C++'s 'new' allocation function (test attached). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158937 91177308-0d34-0410-b5e6-96231b3b80d8
* 1. fix null program output after some other changesAkira Hatanaka2012-06-214-13/+30
| | | | | | | | | | 2. re-enable null.ll test 3. fix some minor style violations Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158935 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Mips to the list of target architectures for the MCJIT tests.Akira Hatanaka2012-06-211-2/+2
| | | | | | | Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158933 91177308-0d34-0410-b5e6-96231b3b80d8
* Treat TargetGlobalAddress as a constant for the purpose of matching pre-inc ↵Hal Finkel2012-06-212-1/+28
| | | | | | | | stores on PPC. Thanks to Tobias von Koch for pointing out this problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158932 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid using the recently added APPEND_STRING feature. This shouldChandler Carruth2012-06-211-7/+9
| | | | | | | restore support for CMake versions before 2.8.6 -- sorry for the trouble! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158930 91177308-0d34-0410-b5e6-96231b3b80d8
* fix build in C++11 mode.Nuno Lopes2012-06-211-7/+7
| | | | | | Thanks to Chandler for pointing out the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158928 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix potential crash if DAGCombine on stores sees a half typePete Cooper2012-06-211-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158927 91177308-0d34-0410-b5e6-96231b3b80d8
* The inline asm operand modifier 'c' is suppose Jack Carter2012-06-213-4/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | to be generic across architectures. It has the following description in the gnu sources: Substitute immediate value without immediate syntax Several Architectures such as x86 have local implementations of operand modifier 'c' which go beyond the above description slightly. To make use of the generic modifiers without overriding local implementation one can make a call to the base class method for AsmPrinter::PrintAsmOperand() in the locally derived method's "default" case in the switch statement. That way if it is already defined locally the generic version will never get called. This change is needed when test/CodeGen/generic/asm-large-immediate.ll failed on a native Mips board. The test was assuming a generic implementation was in place. Affected files: lib/Target/Mips/MipsAsmPrinter.cpp: Changed the default case to call the base method. lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp Added 'c' to the switch cases. test/CodeGen/Mips/asm-large-immediate.ll Mips compiled version of the generic one Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158925 91177308-0d34-0410-b5e6-96231b3b80d8
* move some typedefs so that we don't polute the llvm namespace. this should ↵Nuno Lopes2012-06-211-3/+4
| | | | | | appease the GCC buildbots git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158924 91177308-0d34-0410-b5e6-96231b3b80d8
* hopefully fix the buildbots: some tests have wrong definitions of malloc ↵Nuno Lopes2012-06-212-3/+18
| | | | | | and were crashing this code on 64 bits machines git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158923 91177308-0d34-0410-b5e6-96231b3b80d8
* port the BoundsChecking patch to the new MemoryBuiltin API (i.e., remove ↵Nuno Lopes2012-06-213-439/+37
| | | | | | | | most of the code from here). Remove the alloc_size.ll test until we settle on a metadata format that makes everyone happy.. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158920 91177308-0d34-0410-b5e6-96231b3b80d8
* refactor the MemoryBuiltin analysis:Nuno Lopes2012-06-2111-290/+717
| | | | | | | | | | | | - provide more extensive set of functions to detect library allocation functions (e.g., malloc, calloc, strdup, etc) - provide an API to compute the size and offset of an object pointed by Move a few clients (GVN, AA, instcombine, ...) to the new API. This implementation is a lot more aggressive than each of the custom implementations being replaced. Patch reviewed by Nick Lewycky and Chandler Carruth, thanks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158919 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a number of threshold arguments to the SRA pass.Nadav Rotem2012-06-212-19/+64
| | | | | | | | A patch by Tom Stellard with minor changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158918 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r158209, "test/CodeGen/Generic/APIntLoadStore.ll: Mark as XFAIL:ppc ↵NAKAMURA Takumi2012-06-211-1/+0
| | | | | | | | since r157911." It passes according to ppc changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158917 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/unittests/ExecutionEngine/JIT/CMakeLists.txt: Unbreak build.NAKAMURA Takumi2012-06-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158914 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a pragma to supress an MSVC warning on some of the absurd code I'mChandler Carruth2012-06-211-0/+6
| | | | | | | | using to test the alignment support library. Patch from Nikola on IRC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158912 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some missing dependencies here that I missed in my first passChandler Carruth2012-06-211-1/+4
| | | | | | through. Also sort them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158911 91177308-0d34-0410-b5e6-96231b3b80d8
* Completely refactor the structuring of unittest CMake files to match theChandler Carruth2012-06-2112-155/+193
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Makefiles, the CMake files in every other part of the LLVM tree, and sanity. This should also restore the output tree structure of all the unit tests, sorry for breaking that, and thanks for letting me know. The fundamental change is to put a CMakeLists.txt file in the unittest directory, with a single test binary produced from it. This has several advantages: - No more weird directory stripping in the unittest macro, allowing it to be used more readily in other projects. - No more directory prefixes on all the source files. - Allows correct and precise use of LLVM's per-directory dependency system. - Allows use of the checking logic for source files that have not been added to the CMake build. This uncovered a file being skipped with CMake in LLVM and one in Clang's unit tests. - Makes Specifying conditional compilation or other custom logic for JIT tests easier. It did require adding the concept of an explicit 'optional' source file to the CMake build so that the missing-file check can skip cases where the file is *supposed* to be missing. =] This is another chunk of refactoring the CMake build in order to make it usable for other clients like CompilerRT / ASan / TSan. Note that this is interdependent with a Clang CMake change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158909 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-stress: Stabalize (by using an ordered container) and add randomness to ↵Nadav Rotem2012-06-211-9/+20
| | | | | | the order in which loops are generated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158908 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup some encoding mishaps.Bill Wendling2012-06-211-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158904 91177308-0d34-0410-b5e6-96231b3b80d8
* Sphinxify the tablegen document.Bill Wendling2012-06-213-980/+802
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158903 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a missing llvm.fma -> VFNMS pattern to the ARM backend.Lang Hames2012-06-212-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158902 91177308-0d34-0410-b5e6-96231b3b80d8
* Sphinxify the outdated Packaging documentation.Bill Wendling2012-06-213-120/+77
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158901 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit a single _udivmodsi4 libcall instead of two separate _udivsi3 andEvan Cheng2012-06-212-6/+22
| | | | | | | | | _umodsi3 libcalls if they have the same arguments. This optimization was apparently broken if one of the node was replaced in place. rdar://11714607 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158900 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor the logic for setting up a GoogleTest unit test executable intoChandler Carruth2012-06-212-45/+53
| | | | | | | a helper function in CMake. This will allow us to share all of this logic with Clang, and eventually CompilerRT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158896 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the naming pattern in the unittests' CMake fileChandler Carruth2012-06-211-12/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158893 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove one of the LLVM-specific CMake hacks in favor of standard CMakeChandler Carruth2012-06-212-7/+7
| | | | | | | | | | facilities. This was only used in one place in LLVM, and was used pervasively (but with different code!) in Clang. It has no advantages over the standard CMake facilities and in some cases disadvantages. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158889 91177308-0d34-0410-b5e6-96231b3b80d8
* Update regunits in RegisterCoalescer::reMaterializeTrivialDef.Jakob Stoklund Olesen2012-06-211-6/+4
| | | | | | Old code would only update physreg live intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158881 91177308-0d34-0410-b5e6-96231b3b80d8
* Put space after "code-block::".Meador Inge2012-06-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158880 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove LiveIntervals::iterator.Jakob Stoklund Olesen2012-06-201-6/+0
| | | | | | | | | | | | | | | Live intervals for regunits and virtual registers are stored separately, and physreg live intervals are going away. To visit the live ranges of all virtual registers, use this pattern instead: for (unsigned i = 0, e = MRI->getNumVirtRegs(); i != e; ++i) { unsigned Reg = TargetRegisterInfo::index2VirtReg(i); if (MRI->reg_nodbg_empty(Reg)) continue; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158879 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove spurious typedefs.Jakob Stoklund Olesen2012-06-201-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158878 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed some left over HTML tags and a '}'.Meador Inge2012-06-201-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158877 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the RenderMachineFunction HTML output pass.Jakob Stoklund Olesen2012-06-207-1375/+0
| | | | | | | I don't think anyone has been using this functionality for a while, and it is getting in the way of refactoring now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158876 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the -live-regunits command line option.Jakob Stoklund Olesen2012-06-202-13/+4
| | | | | | Register allocators depend on it being permanently enabled now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158873 91177308-0d34-0410-b5e6-96231b3b80d8
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