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* Put GCOVFile and other related interface in a common header so that llvm-cov ↵Devang Patel2011-10-04
| | | | | | tool can share it with GCOV writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141095 91177308-0d34-0410-b5e6-96231b3b80d8
* The product of two chrec's can always be represented as a chrec.Nick Lewycky2011-10-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141066 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR should avoid redundant edge splitting.Andrew Trick2011-10-04
| | | | | | | | | This handles the case in which LSR rewrites an IV user that is a phi and splits critical edges originating from a switch. Fixes <rdar://problem/6453893> LSR is not splitting edges "nicely" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141059 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2011-10-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141058 91177308-0d34-0410-b5e6-96231b3b80d8
* Add C api for Instruction->eraseFromParent().Devang Patel2011-10-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141023 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the returns_twice attribute to LLVM.Rafael Espindola2011-10-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141001 91177308-0d34-0410-b5e6-96231b3b80d8
* Make canonicalization of ImmutableSetRef::asImmutableSet() semi-explicit.Ted Kremenek2011-10-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140959 91177308-0d34-0410-b5e6-96231b3b80d8
* Move TableGen's parser and entry point into a libraryPeter Collingbourne2011-10-01
| | | | | | This is the first step towards splitting LLVM and Clang's tblgen executables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
* Inlining and unrolling heuristics should be aware of free truncs.Andrew Trick2011-10-01
| | | | | | | | | | | We want heuristics to be based on accurate data, but more importantly we don't want llvm to behave randomly. A benign trunc inserted by an upstream pass should not cause a wild swings in optimization level. See PR11034. It's a general problem with threshold-based heuristics, but we can make it less bad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140919 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140916 91177308-0d34-0410-b5e6-96231b3b80d8
* Store sub-class lists as a bit vector.Jakob Stoklund Olesen2011-09-30
| | | | | | | | | | | | | | This uses less memory and it reduces the complexity of sub-class operations: - hasSubClassEq() and friends become O(1) instead of O(N). - getCommonSubClass() becomes O(N) instead of O(N^2). In the future, TableGen will infer register classes. This makes it cheap to add them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140898 91177308-0d34-0410-b5e6-96231b3b80d8
* Move getCommonSubClass() into TRI.Jakob Stoklund Olesen2011-09-30
| | | | | | It will soon need the context. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140896 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Formatting.Jim Grosbach2011-09-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140810 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Nick Lewycky2011-09-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140807 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up uses of switch instructions so they are not dependent on the ↵Eli Friedman2011-09-29
| | | | | | operand ordering. Patch by Stepan Dyatkovskiy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140803 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand the x86 V_SET0* pseudos right after register allocation.Jakob Stoklund Olesen2011-09-29
| | | | | | | This also makes it possible to reduce the number of pseudo instructions and get rid of the encoding information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140776 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove NumImplicitOps which is now unused.Jakob Stoklund Olesen2011-09-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140767 91177308-0d34-0410-b5e6-96231b3b80d8
* Object: Add isSection{Data,BSS}.Michael J. Spencer2011-09-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140721 91177308-0d34-0410-b5e6-96231b3b80d8
* Create and use an llvm.eh.sjlj.functioncontext intrinsic.Bill Wendling2011-09-28
| | | | | | | | | This intrinsic is used to pass the index of the function context to the back-end for further processing. The back-end is in charge of filling in the rest of the entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140676 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove X86-dependent stuff from SSEDomainFix.Jakob Stoklund Olesen2011-09-27
| | | | | | | | | This also enables domain swizzling for AVX code which required a few trivial test changes. The pass will be moved to lib/CodeGen shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140659 91177308-0d34-0410-b5e6-96231b3b80d8
* Promote the X86 Get/SetSSEDomain functions to TargetInstrInfo.Jakob Stoklund Olesen2011-09-27
| | | | | | | | I am going to unify the SSEDomainFix and NEONMoveFix passes into a single target independent pass. They are essentially doing the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140652 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename AddSelectionDAGCSEId() to addSelectionDAGCSEId().Jim Grosbach2011-09-27
| | | | | | Naming conventions consistency. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140636 91177308-0d34-0410-b5e6-96231b3b80d8
* Object: Add archive support.Michael J. Spencer2011-09-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140626 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup PromoteIntOp_EXTRACT_VECTOR_ELT and PromoteIntRes_SETCC.Nadav Rotem2011-09-27
| | | | | | | | | Add a new method: getAnyExtOrTrunc and use it to replace the manual check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140603 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance alias analysis for atomic instructions a bit. Upgrade a couple ↵Eli Friedman2011-09-26
| | | | | | alias-analysis tests to the new atomic instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140557 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix emission of debug data for global variables. getContext() on ↵James Molloy2011-09-26
| | | | | | DIGlobalVariables is not valid any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140539 91177308-0d34-0410-b5e6-96231b3b80d8
* Add target hook for pseudo instruction expansion.Jakob Stoklund Olesen2011-09-25
| | | | | | | | | | | | Many targets use pseudo instructions to help register allocation. Like the COPY instruction, these pseudos can be expanded after register allocation. The early expansion can make life easier for PEI and the post-ra scheduler. This patch adds a hook that is called for all remaining pseudo instructions from the ExpandPostRAPseudos pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140472 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up code after renaming LowerSubregs -> ExpandPostRAPseudos.Jakob Stoklund Olesen2011-09-25
| | | | | | No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140470 91177308-0d34-0410-b5e6-96231b3b80d8
* sys::Process: Add a SetWorkingDirectory method.Daniel Dunbar2011-09-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140433 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getTreeFactory() to ImmutableSet to allow construction of ↵Anna Zaks2011-09-23
| | | | | | ImmutableSetRef from an ImmutableSet object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140402 91177308-0d34-0410-b5e6-96231b3b80d8
* We're no longer going to bother supporting platforms that don'tEric Christopher2011-09-23
| | | | | | | | support C89. We probably didn't support them anyways. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140361 91177308-0d34-0410-b5e6-96231b3b80d8
* Start stubbing out MCModule and MCAtom, which provide an API for accessing ↵Owen Anderson2011-09-22
| | | | | | | | | the rich disassembly of a complete object or executable. These are very much a work in progress, and not really useful yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140345 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a MinNumRegs argument to MRI::constrainRegClass().Jakob Stoklund Olesen2011-09-22
| | | | | | | | | | | The function will refuse to use a register class with fewer registers than MinNumRegs. This can be used by clients to avoid accidentally increase register pressure too much. The default value of MinNumRegs=0 doesn't affect how constrainRegClass() works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140339 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower ARM adds/subs to add/sub after adding optional CPSR operand.Andrew Trick2011-09-21
| | | | | | | | | | | | | | This is still a hack until we can teach tblgen to generate the optional CPSR operand rather than an implicit CPSR def. But the strangeness is now limited to the selection DAG. ADD/SUB MI's no longer have implicit CPSR defs, nor do we allow flag setting variants of these opcodes in machine code. There are several corner cases to consider, and getting one wrong would previously lead to nasty miscompilation. It's not the first time I've debugged one, so this time I added enough verification to ensure it won't happen again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140228 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Add equality operators and default constructor to DILineInfo.Benjamin Kramer2011-09-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140223 91177308-0d34-0410-b5e6-96231b3b80d8
* Use ArrayRef instead of an explicit 'const std::vector &'.Bill Wendling2011-09-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140172 91177308-0d34-0410-b5e6-96231b3b80d8
* Restore hasPostISelHook tblgen flag.Andrew Trick2011-09-20
| | | | | | | | | | | No functionality change. The hook makes it explicit which patterns require "special" handling. i.e. it self-documents tblgen deficiencies. I plan to add verification in ExpandISelPseudos and Thumb2SizeReduce to catch any missing hasPostISelHooks. Otherwise it's too fragile. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140160 91177308-0d34-0410-b5e6-96231b3b80d8
* Add mips64 & mips64el to Triple. Patch by Liu with modifications.Akira Hatanaka2011-09-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140157 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Config/llvm-config.h.in: Add the entry LLVM_PATH_XDOT_PY, for ↵NAKAMURA Takumi2011-09-20
| | | | | | consistency against llvm-config.h.cmake. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140137 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Config: Reorder LLVM_HAS_ATOMICS along config.h.in for consistency.NAKAMURA Takumi2011-09-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140136 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Config/config.h.cmake: Unbreak CMake build to tweak ↵NAKAMURA Takumi2011-09-20
| | | | | | LLVM_HAS_ATOMICS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140135 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM isel bug fix for adds/subs operands.Andrew Trick2011-09-20
| | | | | | | | | | | | Modified ARMISelLowering::AdjustInstrPostInstrSelection to handle the full gamut of CPSR defs/uses including instructins whose "optional" cc_out operand is not really optional. This allowed removal of the hasPostISelHook to simplify the .td files and make the implementation more robust. Fixes rdar://10137436: sqlite3 miscompile git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140134 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove more of llvmc and dependencies.Eric Christopher2011-09-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140121 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate configure.Eric Christopher2011-09-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140065 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename LLVM_MULTITHREADED define and fix build without threads.Eric Christopher2011-09-19
| | | | | | Patch by Arrowdodger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140064 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ImmutableMapRef and ImmutableSetRef, which consolidate ↵Ted Kremenek2011-09-16
| | | | | | Immutable[Map,Set] and its Factory. This may eventually replace Immtuable[Map,Set]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139967 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attach annotations to MCInst's. Instead, have the disassembler ↵Owen Anderson2011-09-15
| | | | | | return, and the printer accept, an annotation string which can be passed through if the client cares about annotations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139876 91177308-0d34-0410-b5e6-96231b3b80d8
* use 64-bit types instead of off_t/size_t to avoid the issue whenIvan Krasin2011-09-15
| | | | | | | | | | gold plugin is built with Large File Support (sizeof(off_t) == 64 on i686) and the rest of LLVM is built w/o Large File Support (sizeof(off_t) == 32 on i686) which corrupts the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139873 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak the build for compilers that don't include cstdint everywhere.Benjamin Kramer2011-09-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139868 91177308-0d34-0410-b5e6-96231b3b80d8
* CommandLine: Add support for 64 bit unsigned integer options.Benjamin Kramer2011-09-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139848 91177308-0d34-0410-b5e6-96231b3b80d8
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