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path: root/include/llvm/Support/MathExtras.h
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* Typo.Rafael Espindola2010-12-151-1/+1
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* Generalize an assert.Rafael Espindola2010-12-151-0/+6
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* Merge System into Support.Michael J. Spencer2010-11-291-1/+1
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* reimplement SwapByteOrder.h in terms of overloading instead of Chris Lattner2010-11-231-4/+3
| | | | | | | being in terms of excessively complex template logic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119992 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor code out of APInt to form a isUIntN helper function.Dan Gohman2010-11-031-0/+6
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* System: Add SwapByteOrder and update Support/MathExtras.h to use it.Michael J. Spencer2010-10-111-31/+4
| | | | | | 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. Spencer2010-10-111-4/+31
| | | | | | | | 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
* System: Add SwapByteOrder and update Support/MathExtras.h to use it.Michael J. Spencer2010-10-111-31/+4
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* There is this new "LLVM" compiler that supports __builtin_bswap but thinks ↵Benjamin Kramer2010-08-171-2/+4
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* Avoid overflowing a signed integer which triggers undefined behaviour.Jakob Stoklund Olesen2010-04-061-4/+4
| | | | | | | Overflowing an unsigned integer is fine and behaves as you would expect. Also fix a pasto, allowing SignExtend64 to take a 64-bit argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100517 91177308-0d34-0410-b5e6-96231b3b80d8
* Second try of initial ARM/Thumb disassembler check-in. It consists of a tablgenJohnny Chen2010-04-021-0/+12
| | | | | | | | | | | backend (ARMDecoderEmitter) which emits the decoder functions for ARM and Thumb, and the disassembler core which invokes the decoder function and builds up the MCInst based on the decoded Opcode. Reviewed by Chris Latter and Bob Wilson. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100233 91177308-0d34-0410-b5e6-96231b3b80d8
* Make isInt?? and isUint?? template specializations of the generic versions. ThisBenjamin Kramer2010-03-291-21/+29
| | | | | | | | makes calls a little bit more consistent and allows easy removal of the specializations in the future. Convert all callers to the templated functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99838 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct spelling.Duncan Sands2010-01-071-2/+2
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* Move DataTypes.h to include/llvm/System, update all users. This breaks the lastChandler Carruth2009-10-261-1/+1
| | | | | | | direct inclusion edge from System to Support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MathExtras.h OffsetToAlignment, like RoundUpToAlignment but returns theDaniel Dunbar2009-08-281-0/+7
| | | | | | offset to the next aligned integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80339 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the N>=64 case in the isInt<> and isUint<> templates.Jakob Stoklund Olesen2009-08-131-2/+2
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* Move immediate constant predicate templates from the Blackfin target to ↵Jakob Stoklund Olesen2009-08-121-0/+10
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* Fix PR4614: the Intel C compiler defines _GNUC__Duncan Sands2009-07-231-2/+2
| | | | | | | but does not provide __builtin_bswap32/64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76896 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the name of the function in this comment.Dan Gohman2009-05-311-2/+2
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* Add an int64_t variant of abs, for host environmentsDale Johannesen2009-05-131-0/+7
| | | | | | | | | | | | | without one. Use it where we were using abs on int64_t objects. (I strongly suspect the casts to unsigned in the fragments in LoopStrengthReduce are not doing whatever the original intent was, but the obvious change to uint64_t doesn't work. Maybe later.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71612 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed trailing whitespace.Misha Brukman2009-02-201-25/+25
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* Add llvm::RoundUpToAlignment.Daniel Dunbar2009-02-161-0/+12
| | | | | | | - No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64691 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not use host floating point types when emittingDale Johannesen2009-01-211-2/+6
| | | | | | | | | | | ASCII IR; loading and storing these can change the bits of NaNs on some hosts. Remove or add warnings at a few other places using host floating point; this is a bad thing to do in general. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62712 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a NextPowerOf2 function to calculate the next power of two greater than ↵Owen Anderson2008-06-271-0/+12
| | | | | | a given integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52839 91177308-0d34-0410-b5e6-96231b3b80d8
* Add count{Leading,Trailing}Ones_{32,64} functions with simple implementations.Dan Gohman2008-02-131-0/+32
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* make this 64-bit safeChris Lattner2008-01-261-2/+2
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* Don't attribute in file headers anymore. See llvmdev for theChris Lattner2007-12-291-2/+2
| | | | | | | | discussion of this change. Boy are my fingers tired. ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
* Move MinAlign to MathExtras.h.Duncan Sands2007-11-091-0/+7
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* remove extraneous type qualifiersChris Lattner2007-05-031-4/+4
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* Removed tabs everywhere except autogenerated & external files. Add makeAnton Korobeynikov2007-04-161-2/+2
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* Be more explicit concerning argument sizes.Jeff Cohen2007-03-221-31/+41
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* Unbreak VC++ build.Jeff Cohen2007-03-051-1/+1
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* fix 80 col violations, mark arrays staticChris Lattner2007-03-041-8/+12
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* Fix uninitialized use of variable. Remove tabs and fix identation.Anton Korobeynikov2007-03-021-19/+19
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* Fix a typo.Owen Anderson2007-03-021-1/+1
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* Use GCC intrinsics when available, and use smarter fallbacks when not.Owen Anderson2007-03-011-2/+26
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* Use the GCC built-in for PopulationCount when it's available, and use a fasterOwen Anderson2007-03-011-11/+16
| | | | | | | | algorithm when it's not. This should be particularly noticeable in the 64-bit case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34776 91177308-0d34-0410-b5e6-96231b3b80d8
* Doxgenate comments.Chris Lattner2006-12-191-74/+84
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* Ignoring the upper 32 bits of a 64 bit constant is not a good thing.Jim Laskey2006-12-061-4/+4
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* remove IncludeFile turds in MathExtras.h, which bloats every .o file thatChris Lattner2006-08-111-3/+0
| | | | | | | #includes it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29639 91177308-0d34-0410-b5e6-96231b3b80d8
* For PR780:Reid Spencer2006-07-261-0/+4
| | | | | | | | | | | | | 1. Move IncludeFile.h to System library 2. Move IncludeFile.cpp to System library 3. #1 and #2 required to prevent cyclic library dependencies for libSystem 4. Convert all existing uses of Support/IncludeFile.h to System/IncludeFile.h 5. Add IncludeFile support to various lib/System classes. 6. Add new lib/System classes to LinkAllVMCore.h All this in an attempt to pull in lib/System to what's required for VMCore git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29287 91177308-0d34-0410-b5e6-96231b3b80d8
* Add functions to compute ceil(log2(N)) to match functions for floor(log2(N))Chris Lattner2006-07-181-1/+14
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* Whoops, missed a couple more C-style casts.Reid Spencer2006-06-211-2/+2
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* Use C++ style casts instead of C-style casts to shut up compiler warningsReid Spencer2006-06-211-6/+18
| | | | | | | when compiling with -pedantic. Passes regression tests on Linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28904 91177308-0d34-0410-b5e6-96231b3b80d8
* For PR786:Reid Spencer2006-05-241-1/+1
| | | | | | | | | Minor tweaks in public headers and a few .cpp files so that LLVM can build successfully with -pedantic and projects using LLVM with -pedantic don't get warnings from LLVM. There's still more -pedantic warnings to fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28453 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix generous source of VC++ truncation warnings.Jeff Cohen2006-01-141-2/+2
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* Add bswap intrinsics as documented in the Language ReferenceNate Begeman2006-01-141-0/+26
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* Remove prolific source of VC++ truncation warnings.Jeff Cohen2005-10-071-1/+2
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* Add support for count trailing zeroes, and population count. These areNate Begeman2005-08-311-5/+37
| | | | | | | needed for folding constants in the upcoming dag combiner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23163 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Support/MathExtras.hJim Laskey2005-08-171-4/+4
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