Michael J. Spencer
1f6efa3996
Merge System into Support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29 18:16:10 +00:00
Chris Lattner
1711bcb198
lang points out that the comment is out of date with the code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85203 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 04:58:10 +00:00
Chandler Carruth
8b67f774e9
Move DataTypes.h to include/llvm/System, update all users. This breaks the last
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direct inclusion edge from System to Support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 01:35:46 +00:00
John McCall
470e08e1d1
Make the type traits for a const pointer defer to those for a unqualified
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pointer, instead of providing independent values modelled on the default
implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82620 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-23 06:53:51 +00:00
Chris Lattner
837e59e2e8
Drop the default assumption about alignment down to 2 bits from 3. This apparently
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helps some problems on win32 platforms (PR4119)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70603 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01 23:48:33 +00:00
Chris Lattner
b7a00daa11
Work around an apparent GCC miscompilation by specializing different,
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this fixes a regression on some compilers from r68147.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-03 00:26:01 +00:00
Chris Lattner
f385167b85
teach PointerLikeTypeTraits that all pointers to pointers may only be 4-byte aligned.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68147 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31 21:28:39 +00:00
Chris Lattner
911c8b21da
Add a PointerLikeTypeTraits specialization for uintptr_t
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 06:00:21 +00:00
Chris Lattner
e30173ac33
Replace the PointerLikeTypeTraits::getNumLowBitsAvailable
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function with a new NumLowBitsAvailable enum, which makes the
value available as an integer constant expression.
Add PointerLikeTypeTraits specializations for Instruction* and
Use** since they are only guaranteed 4-byte aligned.
Enhance PointerIntPair to know about (and enforce) the alignment
specified by PointerLikeTypeTraits. This should allow things
like PointerIntPair<PointerIntPair<void*, 1,bool>, 1, bool>
because the inner one knows that 2 low bits are free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 04:32:37 +00:00
Chris Lattner
8ee1b5e916
rename PointerLikeTypeInto to PointerLikeTypeTraits, add trait for
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# low bits free, and move to its own header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 00:39:30 +00:00