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1153 Commits

Author SHA1 Message Date
Benjamin Kramer
a85996c235 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.

llvm-svn: 127828
 2011-03-17 20:39:06 +00:00
John Thompson
da294e31da Add scei vendor 
llvm-svn: 127705
 2011-03-15 21:51:56 +00:00
Duncan Sands
323db6bb99 Often GCC can see that NumBuckets is zero here, resulting in a warning 
about possibly swapped memset parameters.  Avoid the warning.

llvm-svn: 127170
 2011-03-07 19:38:38 +00:00
Argyrios Kyrtzidis
5a57c82f11 Try fixing mingw build. 
llvm-svn: 127153
 2011-03-07 05:35:01 +00:00
Argyrios Kyrtzidis
9cd53db2f9 Do a compiler check that we use one of the types from PointerUnion[N], instead of a runtime check. 
llvm-svn: 127145
 2011-03-07 01:30:20 +00:00
Benjamin Kramer
fbb4be942c Avoid zero-sized allocations when copying a fresh DenseMap. 
llvm-svn: 127110
 2011-03-05 22:00:28 +00:00
Benjamin Kramer
4861bbca65 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)

llvm-svn: 127088
 2011-03-05 16:43:41 +00:00
Chris Lattner
e82c10f5df add some slice helper methods. 
llvm-svn: 126878
 2011-03-02 20:55:51 +00:00
Dan Gohman
304de5bc17 Simplify this code. 
llvm-svn: 126785
 2011-03-01 22:07:32 +00:00
Chris Lattner
7513f07004 add the ability to walk the scope tree and insert at not-the-current 
scope.

llvm-svn: 126591
 2011-02-27 22:51:57 +00:00
Chris Lattner
3fac41ace4 add a data() method. 
llvm-svn: 126590
 2011-02-27 22:51:37 +00:00
Daniel Dunbar
d4a7704765 Support: Add llvm::AreStatisticsEnabled(). 
llvm-svn: 126558
 2011-02-26 23:17:12 +00:00
Cameron Zwarich
af4779907f Add a getNumSignBits() method to APInt. 
llvm-svn: 126379
 2011-02-24 10:00:20 +00:00
Frits van Bommel
68294aa16c Implement TODO for implicit C-array-to-ArrayRef conversion. 
llvm-svn: 126311
 2011-02-23 13:43:06 +00:00
Nick Lewycky
0c9c9c5beb 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!

llvm-svn: 126256
 2011-02-22 22:48:47 +00:00
Argyrios Kyrtzidis
a3437f732e Allow getting the address of the value in a PointerUnion or PointerIntPair if one is 
confident enough that he knows what he is doing.

llvm-svn: 126019
 2011-02-19 03:55:58 +00:00
Ted Kremenek
cfdacb2104 Add ImmutableMap methods 'manualRetain()', 'manualRelease()', and 'getRootWithoutRetain()' to help more aggressively reclaim memory in the static analyzer. 
llvm-svn: 126011
 2011-02-19 01:59:21 +00:00
Nadav Rotem
ad2fd4eada Enhance constant folding of bitcast operations on vectors of floats. 
Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.

llvm-svn: 125776
 2011-02-17 21:22:27 +00:00
NAKAMURA Takumi
00228d0c2c 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.

llvm-svn: 125747
 2011-02-17 12:24:17 +00:00
Duncan Sands
061150ac1b Spelling fix: consequtive -> consecutive. 
llvm-svn: 125563
 2011-02-15 09:23:02 +00:00
Chris Lattner
f800339278 fix comments 
llvm-svn: 125543
 2011-02-15 00:23:53 +00:00
Chris Lattner
0848675c80 fix some typos. 
llvm-svn: 125536
 2011-02-15 00:06:37 +00:00
Chris Lattner
ee7f7c2494 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.

llvm-svn: 125504
 2011-02-14 18:15:46 +00:00
Chris Lattner
34f32cb4c2 Switch ConstantVector::get to use ArrayRef instead of a pointer+size 
idiom.  Change various clients to simplify their code.

llvm-svn: 125487
 2011-02-14 07:55:32 +00:00
Chris Lattner
cf712db15a 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.

llvm-svn: 125486
 2011-02-14 07:35:09 +00:00
Nick Lewycky
e980f95634 Fix typo in comment. 
llvm-svn: 125480
 2011-02-14 06:14:20 +00:00
Chris Lattner
307c1d4847 add a helper method. 
llvm-svn: 125453
 2011-02-13 08:04:16 +00:00
Douglas Gregor
cd73e97a29 Poison the relational operators ==, !=, <, <=, >=, > on llvm::Optional 
objects, since they'll end up using the implicit conversion to "bool"
and causing some very "fun" surprises.

llvm-svn: 125380
 2011-02-11 18:13:20 +00:00
Dan Gohman
a5cb7ac412 Optimize po_iterator: don't do redundant lookups. 
llvm-svn: 125211
 2011-02-09 19:25:31 +00:00
Duncan Sands
cfc61f7efb Remove NoVendor and NoOS, added in commit 123990, from Triple. While it 
may be useful to understand "none", this is not the place for it.  Tweak
the fix to Normalize while there: the fix added in 123990 works correctly,
but I like this way better.  Finally, now that Triple understands some
non-trivial environment values, teach the unittests about them.

llvm-svn: 124720
 2011-02-02 10:08:38 +00:00
Evan Cheng
0e8c521bbd Patches to build EFI with Clang/LLVM. By Carl Norum. 
llvm-svn: 124639
 2011-02-01 01:14:13 +00:00
Nick Lewycky
8258d2da8c Add DenseSet::resize for API parity with DenseMap::resize. 
llvm-svn: 124370
 2011-01-27 09:10:42 +00:00
Renato Golin
cf89d692dc Clang was not parsing target triples involving EABI and was generating wrong IR (wrong PCS) and passing the wrong information down llc via the target-triple printed in IR. I've fixed this by adding the parsing of EABI into LLVM's Triple class and using it to choose the correct PCS in Clang's Tools. A Clang patch is on its way to use this infrastructure. 
llvm-svn: 123990
 2011-01-21 18:25:47 +00:00
Jakob Stoklund Olesen
785d31a2d2 Remove MachineRegisterInfo::getLastVirtReg(), it was giving wrong results 
when no virtual registers have been allocated.

It was only used to resize IndexedMaps, so provide an IndexedMap::resize()
method such that

 Map.grow(MRI.getLastVirtReg());

can be replaced with the simpler

 Map.resize(MRI.getNumVirtRegs());

This works correctly when no virtuals are allocated, and it bypasses the to/from
index conversions.

llvm-svn: 123130
 2011-01-09 21:58:20 +00:00
Jakob Stoklund Olesen
9a7e67d141 Use IndexedMap for MachineRegisterInfo as well. No functional change. 
llvm-svn: 123106
 2011-01-09 03:05:46 +00:00
Jakob Stoklund Olesen
b3820cdc22 Use an IndexedMap for LiveOutRegInfo to hide its dependence on TargetRegisterInfo::FirstVirtualRegister. 
llvm-svn: 123096
 2011-01-08 23:10:50 +00:00
Chris Lattner
c6ccec7faf add a handy typedef. 
llvm-svn: 122726
 2011-01-03 03:16:20 +00:00
Chris Lattner
c375dcd5f5 really get this working with a custom allocator. 
llvm-svn: 122722
 2011-01-03 01:38:29 +00:00
Chris Lattner
85f8315219 Enhance ScopedHashTable to allow it to take an allocator argument. 
llvm-svn: 122721
 2011-01-03 01:29:37 +00:00
Jakob Stoklund Olesen
86786c46c2 Use IntEqClasses to compute connected components of live intervals. 
llvm-svn: 122296
 2010-12-21 00:48:17 +00:00
Jakob Stoklund Olesen
26b4e8ec0a Add ADT/IntEqClasses.h as a light-weight implementation of EquivalenceClasses.h. 
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.

llvm-svn: 122293
 2010-12-21 00:04:46 +00:00
Nick Lewycky
de10f6132c Use the new way of silencing this warning. 
llvm-svn: 122195
 2010-12-19 20:57:14 +00:00
Nick Lewycky
c85935836b Add missing standard headers. Patch by Joerg Sonnenberger! 
llvm-svn: 122193
 2010-12-19 20:43:38 +00:00
Jakob Stoklund Olesen
64c013d79d Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees 
monotonic keys.

llvm-svn: 122093
 2010-12-17 22:07:54 +00:00
Jakob Stoklund Olesen
f17722908c It is allowed to call IntervalMap::const_iterator::advanceTo() with a key that 
moves the iterator to end(), and it is valid to call it on end().

That means it is valid to call advanceTo() with any monotonic key sequence.

llvm-svn: 122092
 2010-12-17 22:07:51 +00:00
Michael J. Spencer
f2bf8518fb Support/Path: Deprecate PathV1::isAbsolute. 
llvm-svn: 122086
 2010-12-17 21:21:31 +00:00
Jakob Stoklund Olesen
aec6ae67a1 Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap. 
llvm-svn: 122081
 2010-12-17 19:18:38 +00:00
Jakob Stoklund Olesen
40f23cd5ca Provide LiveIntervalUnion::Query::checkLoopInterference. 
This is a three-way interval list intersection between a virtual register, a
live interval union, and a loop. It will be used to identify interference-free
loops for live range splitting.

llvm-svn: 122034
 2010-12-17 04:09:47 +00:00
Jakob Stoklund Olesen
9681be67c5 Add basic test exposing many bugs. 
llvm-svn: 121995
 2010-12-16 19:46:09 +00:00
Jakob Stoklund Olesen
ae68a4eb6d Add IntervalMapOverlaps - An iterator for overlapping intervals in two 
IntervalMaps.

The IntervalMaps can have different template parameters, but the KeyT and Traits
types must be the same.

Tests are forthcoming.

llvm-svn: 121935
 2010-12-16 01:18:29 +00:00