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* Land the long talked about "type system rewrite" patch. ThisChris Lattner2011-07-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
* Add unit tests for ADT/PackedVectorArgyrios Kyrtzidis2011-06-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133075 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle gcc-compatible compilers (such as clang) the same way we handleOscar Fuentes2011-05-11
| | | | | | | | gcc. Fixes PR9886. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131181 91177308-0d34-0410-b5e6-96231b3b80d8
* Put targets on folders, if the IDE supports the feature.Oscar Fuentes2011-02-20
| | | | | | Requires CMake 2.8.3 or newer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126092 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable RTTI when building unit tests. This avoids errors at link time.Oscar Fuentes2011-01-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123377 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADT/IntEqClasses.h as a light-weight implementation of EquivalenceClasses.h.Jakob Stoklund Olesen2010-12-21
| | | | | | | | | | This implementation already exists as ConnectedVNInfoEqClasses in LiveInterval.cpp, and it seems to be generally useful to have a light-weight way of forming equivalence classes of small integers. IntEqClasses doesn't allow enumeration of the elements in a class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122293 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Fix warning in gtest header used by unit tests.Frits van Bommel2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121127 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/CMakeLists.txt: Tweak unittests' layout to be identical to GNU build.NAKAMURA Takumi2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121117 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests: Merge SystemTests back into SupportTests.Michael J. Spencer2010-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120330 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge System into Support.Michael J. Spencer2010-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/JITTests: Don't use --export-dynamic but --export-all-symbols on ↵NAKAMURA Takumi2010-11-26
| | | | | | | | | | | | | cygming. GNU ld/PECOFF accepts but ignores them below; --version-script --export-dynamic --rpath FIXME: autoconf should be aware of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120179 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests: Add SystemTests.Michael J. Spencer2010-11-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120101 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test for PR 8111. By Frits van Bommel.Dale Johannesen2010-11-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119870 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADT/IntervalMap.Jakob Stoklund Olesen2010-11-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a sorted interval map data structure for small keys and values with automatic coalescing and bidirectional iteration over coalesced intervals. Except for coalescing intervals, it provides similar functionality to std::map. It is however much more compact for small keys and values, and hopefully faster too. The container object itself can hold the first few intervals without any allocations, then it switches to a cache conscious B+-tree representation. A recycling allocator can be shared between many containers, even between containers holding different types. The IntervalMap is initially intended to be used with SlotIndex intervals for: - Backing store for LiveIntervalUnion that is smaller and faster than std::set. - Backing store for LiveInterval with less overhead than std::vector for typical intervals and O(N log N) merging of large intervals. 99% of virtual registers need 4 entries or less and would benefit from the small object optimization. - Backing store for LiveDebugVariable which doesn't exist yet, but will track debug variables during register allocation. This is a work in progress. Missing items are: - Performance metrics. - erase(). - insert() shrinkage. - clear(). - More performance metrics. - Simplification and detemplatization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119787 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/CMakeLists.txt: [PR8225] Tweak linking JITTests on MSVC to add ↵NAKAMURA Takumi2010-11-19
| | | | | | | | JITTests.def. CMake can pass *.def to link.exe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119783 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/CMakeLists.txt: Suppress building ValueMapTest on MSVC older than ↵NAKAMURA Takumi2010-11-19
| | | | | | | | | 10(VS2010). MSVC9 and 8 cannot compile ValueMapTest.cpp due to their bug. See issue#331418 in Visual Studio. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119782 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Add ADT/IntervalMap.", GCC doesn't like it.Jakob Stoklund Olesen2010-11-19
| | | | | | This reverts r119772. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119773 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADT/IntervalMap.Jakob Stoklund Olesen2010-11-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a sorted interval map data structure for small keys and values with automatic coalescing and bidirectional iteration over coalesced intervals. Except for coalescing intervals, it provides similar functionality to std::map. It is however much more compact for small keys and values, and hopefully faster too. The container object itself can hold the first few intervals without any allocations, then it switches to a cache conscious B+-tree representation. A recycling allocator can be shared between many containers, even between containers holding different types. The IntervalMap is initially intended to be used with SlotIndex intervals for: - Backing store for LiveIntervalUnion that is smaller and faster than std::set. - Backing store for LiveInterval with less overhead than std::vector for typical intervals and O(N log N) merging of large intervals. 99% of virtual registers need 4 entries or less and would benefit from the small object optimization. - Backing store for LiveDebugVariable which doesn't exist yet, but will track debug variables during register allocation. This is a work in progress. Missing items are: - Performance metrics. - erase(). - insert() shrinkage. - clear(). - More performance metrics. - Simplification and detemplatization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119772 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/CMakeLists.txt: Add missing VMCore/ValueMapTest.cpp to VMCoreTests.NAKAMURA Takumi2010-11-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119040 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/CMakeLists.txt: Don't use RTTI, or linking failed.NAKAMURA Takumi2010-10-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117646 91177308-0d34-0410-b5e6-96231b3b80d8
* Document LLVM_BUILD_TESTS, LLVM_INCLUDE_TESTS. New convenience targetOscar Fuentes2010-10-28
| | | | | | UnitTests for building all the unit tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117545 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Add Endian.hMichael J. Spencer2010-10-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117057 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests: Use the correct defines and global variables when building on CMake.Michael J. Spencer2010-10-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116834 91177308-0d34-0410-b5e6-96231b3b80d8
* System: Add SwapByteOrder and update Support/MathExtras.h to use it.Michael J. Spencer2010-10-11
| | | | | | This time correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116247 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "System: Add SwapByteOrder and update Support/MathExtras.h to use it."Michael J. Spencer2010-10-11
| | | | | | | | This reverts commit 116234. It compiled just fine with MSVC and clang... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116242 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce dpendencies for SupportTests.Michael J. Spencer2010-10-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116235 91177308-0d34-0410-b5e6-96231b3b80d8
* System: Add SwapByteOrder and update Support/MathExtras.h to use it.Michael J. Spencer2010-10-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116234 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove reference to nonexistent test in CMake makefile for unit testsDouglas Gregor2010-09-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114835 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting "CMake: Don't include tools, unittets, or examples asOscar Fuentes2010-09-25
| | | | | | | | | | | | available targets unless LLVM_INCLUDE_X is ON. LLVM_BUILD_X implies LLVM_INCLUDE_X" It breaks the configuration phase when cmake is invoked without parameters, it is too complex for the purpose and introduces an incovenience for the user (as both LLVM_BUILD_X and LLVM_INCLUDE_X must set to OFF for not including X on the build) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114795 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Don't include tools, unittets, or examples as available targetsMichael J. Spencer2010-09-24
| | | | | | unless LLVM_INCLUDE_X is ON. LLVM_BUILD_X implies LLVM_INCLUDE_X git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114747 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Build unittests.Michael J. Spencer2010-09-24
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114725 91177308-0d34-0410-b5e6-96231b3b80d8
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