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398a5ca9cd
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1290 Commits

Author SHA1 Message Date
Daniel Dunbar
398a5ca9cd ADT/Triple: Drop support for -osx style triples, we are going with -macosx 
instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129836 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 23:55:20 +00:00
Daniel Dunbar
1af394766f ADT/Triple: Add support for Triple::MacOSX per feedback from Chris, will remove 
Triple::OSX once Clang has moved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129833 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 23:34:12 +00:00
Daniel Dunbar
e1fe09f682 ADT/Triple: Add isOSDarwin() and isOSWindows() helper functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129815 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 21:12:05 +00:00
Daniel Dunbar
4860fe0ad0 ADT/Triple: Add helper function for OS X version checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129801 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 20:30:10 +00:00
Daniel Dunbar
8974153870 ADT/Triple: Add isOSVersionLT helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129800 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 20:30:07 +00:00
Daniel Dunbar
087d6a59ad ADT/Triple: Generalize and simplify getDarwinNumber to just be getOSVersion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129799 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 20:24:34 +00:00
Daniel Dunbar
0dde4c00ee ADT/Triple: Add support for more explicit "osx" and "ios" OS names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129798 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 20:19:27 +00:00
Lenny Maiorani
437ef0cfb7 Implements StringRef::compare with bounds. It is behaves similarly to strncmp(). Unit tests also included. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129582 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 17:56:50 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Jay Foad
715c80a00b Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129436 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 12:50:47 +00:00
Chris Lattner
b1145c8cee drive by bug fix: DenseMapInfo::isEqual should be determined according to 
isEqual of its members, not operator==.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129233 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-09 21:20:23 +00:00
Peter Collingbourne
10fdd5a0f6 IntrusiveRefCntPtr: in RefCountedBase and RefCountedBaseVPTR, make 
ref_cnt mutable and Retain/Release const to enable reference counted
pointers to const objects

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128804 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-04 00:57:03 +00:00
Jakob Stoklund Olesen
5907d86365 Add an InterferenceCache class for caching per-block interference ranges. 
When the greedy register allocator is splitting multiple global live ranges, it
tends to look at the same interference data many times. The InterferenceCache
class caches queries for unaltered LiveIntervalUnions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128764 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-02 06:03:35 +00:00
Jakob Stoklund Olesen
03ef449917 Reset StringMap's NumTombstones on clears and rehashes. 
StringMap was not properly updating NumTombstones after a clear or rehash.

This was not fatal until now because the table was growing faster than
NumTombstones could, but with the previous change of preventing infinite
growth of the table the invariant (NumItems + NumTombstones <= NumBuckets)
stopped being observed, causing infinite loops in certain situations.

Patch by José Fonseca!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128567 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 18:32:51 +00:00
Jakob Stoklund Olesen
e10fff6f88 Prevent infinite growth of SmallPtrSet instances. 
Rehash but don't grow when full of tombstones.

Patch by José Fonseca!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128566 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 18:32:48 +00:00
Jakob Stoklund Olesen
aea4fe2862 Prevent infinite growth of SmallMap instances. 
Rehash but don't grow when full of tombstones.

Patch by José Fonseca!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128565 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 18:32:44 +00:00
Jakob Stoklund Olesen
414fdbdb01 Prevent infinite growth of the DenseMap. 
When the hash function uses object pointers all free entries eventually
become tombstones as they are used at least once, regardless of the size.

DenseMap cannot function with zero empty keys, so it double size to get
get ridof the tombstones.

However DenseMap never shrinks automatically unless it is cleared, so
the net result is that certain tables grow infinitely.

The solution is to make a fresh copy of the table without tombstones
instead of doubling size, by simply calling grow with the current size.

Patch by José Fonseca!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128564 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 18:32:41 +00:00
Benjamin Kramer
2746000f4f Add APFloat::getExactInverse. 
The idea is, that if an ieee 754 float is divided by a power of two, we can
turn the division into a cheaper multiplication. This function sees if we can
get an exact multiplicative inverse for a divisor and returns it if possible.

This is the hard part of PR9587.

I tested many inputs against llvm-gcc's frotend implementation of this
optimization and didn't find any difference. However, floating point is the
land of weird edge cases, so any review would be appreciated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128545 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 15:42:27 +00:00
Jay Foad
d01f2633b9 Fix more zero length memset warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128543 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 15:31:02 +00:00
Frits van Bommel
6208610fd6 Constant folding support for calls to umul.with.overflow(), basically identical to the smul.with.overflow() code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 14:26:13 +00:00
Ted Kremenek
116e2348ed Relax access control on 'Release' method of RefCountedBase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-22 01:15:07 +00:00
Ted Kremenek
47f0f1856f Allow a client to clear an IntrustiveRefCntPtr (deliberately leaking the referenced object). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128007 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-21 18:37:59 +00:00
Argyrios Kyrtzidis
b518c25b3e If a class inherits from RefCountedBaseVPTR allow all its subclasses to be used with IntrusiveRefCntPtr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127966 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-20 06:14:56 +00:00
Benjamin Kramer
d9103df51b Add an argument to APInt's magic udiv calculation to specify the number of bits that are known zero in the divided number. 
This will come in handy soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127828 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 20:39:06 +00:00
John Thompson
6046cffbaf Add scei vendor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127705 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-15 21:51:56 +00:00
Duncan Sands
e54f64899f Often GCC can see that NumBuckets is zero here, resulting in a warning 
about possibly swapped memset parameters.  Avoid the warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 19:38:38 +00:00
Argyrios Kyrtzidis
a36be82664 Try fixing mingw build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127153 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 05:35:01 +00:00
Argyrios Kyrtzidis
128ccbb8e5 Do a compiler check that we use one of the types from PointerUnion[N], instead of a runtime check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127145 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 01:30:20 +00:00
Benjamin Kramer
88b0c6a59a Avoid zero-sized allocations when copying a fresh DenseMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127110 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-05 22:00:28 +00:00
Benjamin Kramer
49d443053b Lazily allocate DenseMaps. 
This makes lookup slightly more expensive but it's worth it, unused
DenseMaps are common in LLVM code apparently.

1% speedup on clang -O3 bzip2.c
4% speedup on clang -O3 oggenc.c (Release build of clang on i386/linux)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127088 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-05 16:43:41 +00:00
Chris Lattner
fa09685a9a add some slice helper methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126878 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-02 20:55:51 +00:00
Dan Gohman
181436f11b Simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126785 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-01 22:07:32 +00:00
Chris Lattner
cdac46d18e add the ability to walk the scope tree and insert at not-the-current 
scope.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-27 22:51:57 +00:00
Chris Lattner
878ad7afa5 add a data() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126590 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-27 22:51:37 +00:00
Daniel Dunbar
0aa00f9110 Support: Add llvm::AreStatisticsEnabled(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-26 23:17:12 +00:00
Cameron Zwarich
9b6af8de58 Add a getNumSignBits() method to APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:20 +00:00
Frits van Bommel
438208e8cb Implement TODO for implicit C-array-to-ArrayRef conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126311 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 13:43:06 +00:00
Nick Lewycky
2d76ad6df9 Fix C++0x incompatibility. The signature of std::make_pair<> changes from: 
template <class T1, class T2> pair<T1,T2> make_pair(const T1&, const T2&);
to
  template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
so explicitly specifying the template arguments to make_pair<> is going to break
when C++0x rolls through. Replace them with equivalent std::pair<>. Patch by
James Dennett!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126256 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 22:48:47 +00:00
Argyrios Kyrtzidis
38297f5f76 Allow getting the address of the value in a PointerUnion or PointerIntPair if one is 
confident enough that he knows what he is doing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126019 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-19 03:55:58 +00:00
Ted Kremenek
3f912adeae Add ImmutableMap methods 'manualRetain()', 'manualRelease()', and 'getRootWithoutRetain()' to help more aggressively reclaim memory in the static analyzer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126011 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-19 01:59:21 +00:00
Nadav Rotem
093399cbf3 Enhance constant folding of bitcast operations on vectors of floats. 
Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125776 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 21:22:27 +00:00
NAKAMURA Takumi
6904f05e60 Triple::MinGW64 is deprecated and removed. We can use Triple::MinGW32 generally. 
No one uses *-mingw64. mingw-w64 is represented as {i686|x86_64}-w64-mingw32. In llvm side, i686 and x64 can be treated as similar way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125747 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 12:24:17 +00:00
Duncan Sands
ab4c366274 Spelling fix: consequtive -> consecutive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 09:23:02 +00:00
Chris Lattner
04b2f0d99f fix comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125543 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:23:53 +00:00
Chris Lattner
04df049014 fix some typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125536 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:06:37 +00:00
Chris Lattner
7583190422 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 18:15:46 +00:00
Chris Lattner
283c8caccd Switch ConstantVector::get to use ArrayRef instead of a pointer+size 
idiom.  Change various clients to simplify their code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 07:55:32 +00:00
Chris Lattner
2b9bc422a5 add a new ArrayRef class. This is intended to replace the idiom we 
use in many places where we pass a pointer and size to abstract APIs
that can take C arrays, std::vector, SmallVector, etc.  It is to arrays
what StringRef is to strings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 07:35:09 +00:00
Nick Lewycky
551b6751a0 Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125480 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 06:14:20 +00:00
Chris Lattner
16e036fa8f add a helper method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125453 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 08:04:16 +00:00