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* Documentation for tblgen: formattingDmitri Gribenko2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168904 91177308-0d34-0410-b5e6-96231b3b80d8
* Documentation for lit: formatting improvements.Dmitri Gribenko2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168902 91177308-0d34-0410-b5e6-96231b3b80d8
* Test commit.Patrik Hagglund2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168899 91177308-0d34-0410-b5e6-96231b3b80d8
* Documentation: formatting improvementsDmitri Gribenko2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168897 91177308-0d34-0410-b5e6-96231b3b80d8
* instcombine: Migrate fputs optimizationsMeador Inge2012-11-29
| | | | | | | This patch migrates the fputs optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168893 91177308-0d34-0410-b5e6-96231b3b80d8
* instcombine: Migrate fwrite optimizationsMeador Inge2012-11-29
| | | | | | | This patch migrates the fwrite optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168892 91177308-0d34-0410-b5e6-96231b3b80d8
* instcombine: Migrate fprintf optimizationsMeador Inge2012-11-29
| | | | | | | This patch migrates the fprintf optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168891 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Handle vector manipulation instructions.Evgeniy Stepanov2012-11-29
| | | | | | | Handle insertelement, extractelement, shufflevector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168889 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix getOriginForNaryOp.Evgeniy Stepanov2012-11-29
| | | | | | | | | | | The old version failed on a 3-arg instruction with (-1, 0, 0) shadows (it would pick the 3rd operand origin irrespective of its shadow). The new version always picks the origin of the rightmost poisoned operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168887 91177308-0d34-0410-b5e6-96231b3b80d8
* Added atomic 64 min/max/umin/umax instrinsics support in the ARM backend.Silviu Baranga2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168886 91177308-0d34-0410-b5e6-96231b3b80d8
* misched: Recompute priority queue when DFSResults are updated.Benjamin Kramer2012-11-29
| | | | | | | | This was found by MSVC10's STL debug mode on a test from the test suite. Sadly std::is_heap isn't standard so there is no way to assert this without writing our own heap verify, which looks like overkill to me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168885 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Basic handling of inline asm.Evgeniy Stepanov2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168884 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the legalizer how to handle operands for VSELECT nodesJustin Holewinski2012-11-29
| | | | | | | If we need to split the operand of a VSELECT, it must be the mask operand. We split the entire VSELECT operand with EXTRACT_SUBVECTOR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168883 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow targets to prefer TypeSplitVector over TypePromoteInteger when ↵Justin Holewinski2012-11-29
| | | | | | | | computing the legalization method for vectors For some targets, it is desirable to prefer scalarizing <N x i1> instead of promoting to a larger legal type, such as <N x i32>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168882 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Propagate shadow through (x<0) and (x>=0) comparisons.Evgeniy Stepanov2012-11-29
| | | | | | | | This is a special case of signed relational comparison where result only depends on the sign of x. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168881 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix shadow & origin store & load alignment.Evgeniy Stepanov2012-11-29
| | | | | | | | This change ensures that shadow memory accesses have the same alignment as corresponding app memory accesses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168880 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Optimize getOriginPtr.Evgeniy Stepanov2012-11-29
| | | | | | | | | | Rewrite getOriginPtr in a way that lets subsequent optimizations factor out the common part of Shadow and Origin address calculation. Improves perf by up to 5%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168879 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix a few compilation warnings.Evgeniy Stepanov2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168878 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Add a test for r168873.Evgeniy Stepanov2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168877 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Transform memcpy and memset to library calls.Evgeniy Stepanov2012-11-29
| | | | | | | | | | This was already done for memmove, where it is required for correctness. This change improves performance by avoiding copyingthe same memory twice. Also, the library functions are given __msan_ prefix to prevent instcombine pass from converting them back to intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168876 91177308-0d34-0410-b5e6-96231b3b80d8
* I changed hasAVX() to hasFp256() and hasAVX2() to hasInt256() in ↵Elena Demikhovsky2012-11-29
| | | | | | | | X86IselLowering.cpp. The logic was not changed, only names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168875 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Update tests (broken in r168873).Evgeniy Stepanov2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168874 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Make sure that report callbacks do not get merged.Evgeniy Stepanov2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168873 91177308-0d34-0410-b5e6-96231b3b80d8
* Documentation: use correct highlighterDmitri Gribenko2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168871 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial commit of MemorySanitizer.Evgeniy Stepanov2012-11-29
| | | | | | | Compiler pass only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168866 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan/tsan] initialize the asan/tsan callbacks in runOnFunction as opposed ↵Kostya Serebryany2012-11-29
| | | | | | to doInitialization. This is required to allow the upcoming changes in PassManager behavior git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168864 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] when checking the noreturn attribute on the call, also check it on ↵Kostya Serebryany2012-11-29
| | | | | | the callee git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168861 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleaned up a couple of comments.Preston Briggs2012-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168854 91177308-0d34-0410-b5e6-96231b3b80d8
* Use MCPhysReg for RegisterClassInfo allocation orders.Jakob Stoklund Olesen2012-11-29
| | | | | | This saves a bit of memory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168852 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an MCPhysReg typedef to replace naked uint16_t.Jakob Stoklund Olesen2012-11-29
| | | | | | Use this type for arrays of physical registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168850 91177308-0d34-0410-b5e6-96231b3b80d8
* Instruction::isAssociative() returns true for fmul/fadd if they are tagged ↵Shuxin Yang2012-11-29
| | | | | | | | | "unsafe" mode. Approved by: Eli and Michael. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168848 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid rewriting instructions twice.Jakob Stoklund Olesen2012-11-29
| | | | | | | | | This could cause miscompilations in targets where sub-register composition is not always idempotent (ARM). <rdar://problem/12758887> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168837 91177308-0d34-0410-b5e6-96231b3b80d8
* Issue a fatal error if the line doesn't have a regular expression.Nick Lewycky2012-11-29
| | | | | | | | Also a couple not-user-visible changes; using empty() instead of size(), and make inSection() not insert NULL Regex*'s into StringMap when doing a lookup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168833 91177308-0d34-0410-b5e6-96231b3b80d8
* When combining consecutive stores allow loads in between the stores, if the ↵Nadav Rotem2012-11-29
| | | | | | loads do not alias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168832 91177308-0d34-0410-b5e6-96231b3b80d8
* When we delete a dead basic block, see if any of its successors are dead andBill Wendling2012-11-28
| | | | | | | delete those as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168829 91177308-0d34-0410-b5e6-96231b3b80d8
* Documentation: improve formatting and remove unneeded empty lines.Dmitri Gribenko2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168817 91177308-0d34-0410-b5e6-96231b3b80d8
* Whoops, fixed bad mergeMichael Ilseman2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168816 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed bad test caseMichael Ilseman2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168815 91177308-0d34-0410-b5e6-96231b3b80d8
* Fast-math: IRBuilder test for creating instructions with fast-math flagsMichael Ilseman2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168814 91177308-0d34-0410-b5e6-96231b3b80d8
* Fast-math: Extend IRBuilder to have settable FastMathFlags to create ↵Michael Ilseman2012-11-28
| | | | | | | | | | instructions with Also extended IRBuilder's documentation to mention the convenience state for DefaultFPMathTag and FastMathFlags that can be set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168812 91177308-0d34-0410-b5e6-96231b3b80d8
* Fast-math comments and convenience methodMichael Ilseman2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168811 91177308-0d34-0410-b5e6-96231b3b80d8
* Define signed const-ext immediate operands and their predicates.Jyotsna Verma2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168810 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Implement CanLowerReturn so large vectors get expanded into sret.Benjamin Kramer2012-11-28
| | | | | | Fixes 14337. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168809 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the LiveRegMatrix analysis available to targets.Jakob Stoklund Olesen2012-11-28
| | | | | | | | | | | No functional change, just moved header files. Targets can inject custom passes between register allocation and rewriting. This makes it possible to tweak the register allocation before rewriting, using the full global interference checking available from LiveRegMatrix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168806 91177308-0d34-0410-b5e6-96231b3b80d8
* Add backreference matching capabilities to Support/Regex, withEli Bendersky2012-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | appropriate unit tests. This change in itself is not expected to affect any functionality at this point, but it will serve as a stepping stone to improve FileCheck's variable matching capabilities. Luckily, our regex implementation already supports backreferences, although a bit of hacking is required to enable it. It supports both Basic Regular Expressions (BREs) and Extended Regular Expressions (EREs), without supporting backrefs for EREs, following POSIX strictly in this respect. And EREs is what we actually use (rightly). This is contrary to many implementations (including the default on Linux) of POSIX regexes, that do allow backrefs in EREs. Adding backref support to our EREs is a very simple change in the regcomp parsing code. I fail to think of significant cases where it would clash with existing things, and can bring more versatility to the regexes we write. There's always the danger of a backref in a specially crafted regex causing exponential matching times, but since we mainly use them for testing purposes I don't think it's a big problem. [it can also be placed behind a flag specific to FileCheck, if needed]. For more details, see: * http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-November/055840.html * http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121126/156878.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168802 91177308-0d34-0410-b5e6-96231b3b80d8
* MCJIT depends on JIT.Benjamin Kramer2012-11-28
| | | | | | | Unbreaks the CMake shared library build. This is nasty and should be fixed eventually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168800 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix initial frame state on powerpc64.Ulrich Weigand2012-11-28
| | | | | | | | | | The createPPCMCAsmInfo routine used PPC::R1 as the initial frame pointer register, but on PPC64 the 32-bit R1 register does not have a corresponding DWARF number, causing invalid CIE initial frame state to be emitted. Fix by using PPC::X1 instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168799 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix warning. [-Wunused-variable]Patrik Hägglund2012-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168792 91177308-0d34-0410-b5e6-96231b3b80d8
* Add error handling in getInt.Patrik Hägglund2012-11-28
| | | | | | | | | | | Accordingly, update a testcase with a broken datalayout string. Also, we never parse negative numbers, because '-' is used as a separator. Therefore, use unsigned as result type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168785 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] Split AddressSanitizer into two passes (FunctionPass, ModulePass), ↵Kostya Serebryany2012-11-28
| | | | | | LLVM part. This requires a clang part which will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168781 91177308-0d34-0410-b5e6-96231b3b80d8
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