Commit Graph

25 Commits

Author SHA1 Message Date
John McCall
2fed70daaf Fix a few places where PointerIntPair was using PointerLikeTypeTraits<PointerTy>
instead of the PtrTraits provided.  Allows PointerIntPair to contain a
PointerUnion safely, as long as the bits add up.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82163 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-17 20:35:18 +00:00
Bill Wendling
3485d25a0e I cast, therefore I think I know what I'm doing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70151 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26 20:12:38 +00:00
Bill Wendling
b14a495c36 Use uint64_t instead of unsigned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70148 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26 19:46:41 +00:00
Chris Lattner
1e8db00e3b revert an incorrect patch. This causes crashes all over the place on a
64-bit build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70147 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26 19:44:20 +00:00
Bill Wendling
610cb31ac9 Suppress warnings about conversion shortening 64-bit to 32-bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70138 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26 18:10:20 +00:00
Chris Lattner
c6a4b6b78b fix the PointerLikeTypeTraits specialization for PointerIntPair to
allow the traits to be specified as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-30 20:28:50 +00:00
Chris Lattner
54e01d06db add missing space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67995 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 13:26:05 +00:00
Chris Lattner
f341a47d10 When forming sentinels for empty/tombstone, make sure to respect the
pointer's expected number of zero low-bits.

This should fix the breakage I introduced recently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 06:33:22 +00:00
Chris Lattner
540db8bcb8 Allow a specific PointerIntPair instance to use a specific Pointer trait:
some pointer instances have properties that not all of a type have.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67986 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 06:02:20 +00:00
Chris Lattner
e30173ac33 Replace the PointerLikeTypeTraits::getNumLowBitsAvailable
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
# 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
Chris Lattner
4d4177b9b3 teach SmallPtrSet that PointerIntPair is "basically a pointer".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67970 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 00:18:42 +00:00
Duncan Sands
6ea5776f51 Get this building with gcc-4.4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62322 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 15:54:57 +00:00
Misha Brukman
3a54b3dc87 Removed trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62000 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-09 19:25:42 +00:00
Dan Gohman
b79a01111d Move the conversion to intptr_t to a separate statement. This
avoids GCC's warning even on 64-bit hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60706 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-08 17:41:24 +00:00
Dan Gohman
994fd5354b Use intptr_t instead of unsigned here, which is more appropriate
in a really obscure way, but more importantly has the side effect
of avoiding a GCC warning in the case that IntType is bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60677 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-07 21:28:00 +00:00
Chris Lattner
012618f0fc add the rest of the comparison routines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60303 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-30 19:10:41 +00:00
Torok Edwin
10ca770020 protect against negative values that would exceed allowed bit width
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60239 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-29 08:52:45 +00:00
Chris Lattner
b9cf75a15f apparently GCC doesn't believe that I understand C
precedence rules.  Pacify it.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60237 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-29 08:36:39 +00:00
Duncan Sands
3f7dba7b17 Typo fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60236 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-29 08:03:35 +00:00
Chris Lattner
d63e618212 Fix sentinels to use correctly 'aligned' pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60229 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-29 01:36:16 +00:00
Chris Lattner
9ac30537aa Fix spello, add DenseMapInfo specialization for PointerIntPair.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60228 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-29 01:18:05 +00:00
Chris Lattner
d55da4de04 fix comment typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60227 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28 23:57:26 +00:00
Chris Lattner
762ac83271 fix a bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60225 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28 23:36:15 +00:00
Chris Lattner
34b763694e add a generic "bitmangled pointer" class, which allows a parameterized
pointer and integer type to be used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60224 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28 23:31:44 +00:00