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2803 Commits

Author SHA1 Message Date
Devang Patel 6292003492 MDString 
- Rename member function size(). New name is length().
- Store string beginning and length. Earlier it used to store string end.

llvm-svn: 76841
 2009-07-23 02:00:51 +00:00
Devang Patel e059ba6ed2 Derive MDNode from MetadataBase instead of Constant. Emit MDNodes into METADATA_BLOCK in bitcode file. 
llvm-svn: 76834
 2009-07-23 01:07:34 +00:00
Dan Gohman 902dfff8b6 Rename the new unsigned and signed keywords to nuw and nsw, 
which stand for no-unsigned-wrap and no-signed-wrap.

llvm-svn: 76810
 2009-07-22 22:44:56 +00:00
Daniel Dunbar 5899dda08c Switch some clients to Value::getName(), and other getName() user 
simplification.
 - NFC

llvm-svn: 76789
 2009-07-22 21:33:09 +00:00
Devang Patel e171bc8ae5 Do not print "metadata" twice while printing MDString. 
This fixes unittest failure.

llvm-svn: 76764
 2009-07-22 18:10:23 +00:00
Devang Patel 7428d8acec Introduce MetadataBase, a base class for MDString and MDNode. 
Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.

llvm-svn: 76759
 2009-07-22 17:43:22 +00:00
Duncan Sands c0647b31ee Add newline at end of file. 
llvm-svn: 76736
 2009-07-22 13:20:41 +00:00
Owen Anderson 47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Chris Lattner 4565ef5b65 reimplement Constant::ContainsRelocations as 
Constant::getRelocationInfo(), which has a much simpler
to use API.  It still should not be part of libvmcore, but
is better than it was.  Also teach it to be smart about 
hidden visibility.

llvm-svn: 76700
 2009-07-22 00:05:44 +00:00
Dan Gohman 9413de19b1 Permit the IntPtrTy argument to isEliminableCastPair to be null, 
to help support use when TargetData is not available.

llvm-svn: 76675
 2009-07-21 23:19:40 +00:00
Owen Anderson 3d34492c1f Privatize the ConstantArray table. 
llvm-svn: 76639
 2009-07-21 20:55:28 +00:00
Owen Anderson 39ede7b8d1 Privatize the first of the value maps. 
llvm-svn: 76634
 2009-07-21 20:13:12 +00:00
Owen Anderson c37bc69e91 Rename getConstantInt{True|False} to get{True|False} at Chris' behest. 
llvm-svn: 76598
 2009-07-21 18:03:38 +00:00
Owen Anderson 2ad52176f9 Move a bit more state over to the LLVMContext. 
llvm-svn: 76533
 2009-07-21 02:47:59 +00:00
Dan Gohman 0ebd69614c Assembly and Bitcode support for unsigned/signed overflow flags and 
exact sdiv flags.

llvm-svn: 76475
 2009-07-20 21:19:07 +00:00
Bill Wendling 2dd0bf8db0 Change the casting of linkage types into a map. This makes this much more robust 
as it no longer depends upon two different enums being kept in sync with each
other.

llvm-svn: 76465
 2009-07-20 20:34:46 +00:00
Bill Wendling 1bcfbff7af Rename Mangler linkage enums to something less gross. 
llvm-svn: 76456
 2009-07-20 19:41:27 +00:00
Dan Gohman 33a3fd0b9c Revert the addition of hasNoPointerOverflow to GEPOperator. 
Getelementptrs that are defined to wrap are virtually useless to
optimization, and getelementptrs that are undefined on any kind
of overflow are too restrictive -- it's difficult to ensure that
all intermediate addresses are within bounds. I'm going to take
a different approach.

Remove a few optimizations that depended on this flag.

llvm-svn: 76437
 2009-07-20 17:43:30 +00:00
Bill Wendling a3c6f6bffa Add plumbing for the `linker_private' linkage type. This type is meant for 
"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.

This is plumbing, so we don't have a use of it yet. More to come, etc.

llvm-svn: 76385
 2009-07-20 01:03:30 +00:00
Dan Gohman 7d82e1338e Make GetElementPtr ConstantExprs default to having no pointer overflow. 
llvm-svn: 76280
 2009-07-18 01:49:22 +00:00
Dan Gohman ff081b0126 Fix this accidentally inverted condition. 
llvm-svn: 76278
 2009-07-18 00:58:38 +00:00
Dan Gohman e1019db658 Convert more code to use Operator instead of explicitly handling both 
ConstantExpr and Instruction. This involves duplicating some code
between GetElementPtrInst and GEPOperator, but it's not a lot.

llvm-svn: 76265
 2009-07-17 23:55:56 +00:00
Dan Gohman 1d548d851a Make BasicAliasAnalysis and Value::getUnderlyingObject use 
GEPOperator's hasNoPointer0verflow(), and make a few places in instcombine
that create GEPs that may overflow clear the NoOverflow value. Among
other things, this partially addresses PR2831.

llvm-svn: 76252
 2009-07-17 22:25:10 +00:00
Dan Gohman d2a251f9f9 Add a GEPOperator class, and move the hasNoPointerOverflow 
accessors into it.

llvm-svn: 76245
 2009-07-17 21:33:58 +00:00
Dan Gohman 510fdfd92e Fix a typo that Duncan spotted. 
llvm-svn: 76233
 2009-07-17 20:51:47 +00:00
Dan Gohman 97190a2c93 GetElementPtr instructions default to having no overflow. 
llvm-svn: 76222
 2009-07-17 19:23:21 +00:00
Daniel Dunbar e974dc3eb1 Fix compile warning. 
llvm-svn: 76210
 2009-07-17 18:33:52 +00:00
Anton Korobeynikov c8ce7b08ba Add support for naked functions 
llvm-svn: 76198
 2009-07-17 18:07:26 +00:00
Dan Gohman 9691e71a4f Add a SubclassOptionalData field to Value. See the doxygen comment for 
details.

llvm-svn: 76189
 2009-07-17 17:16:59 +00:00
Eli Friedman b8f6a4fc8e Replace isTrapping with a new, similar method called 
isSafeToSpeculativelyExecute. The new method is a bit closer to what 
the callers actually care about in that it rejects more things callers 
don't want.  It also adds more precise handling for integer 
division, and unifies code for analyzing the legality of a speculative 
load.

llvm-svn: 76150
 2009-07-17 04:28:42 +00:00
Jeffrey Yasskin 062853552e Fix "no newline at end of file" warning from gcc. 
llvm-svn: 76127
 2009-07-16 23:58:14 +00:00
Owen Anderson 4118ddeeed Privatize the MDNode uniquing table. 
llvm-svn: 76126
 2009-07-16 23:44:30 +00:00
Owen Anderson 69ab416d66 Privatize the MDString uniquing table. 
llvm-svn: 76113
 2009-07-16 22:11:26 +00:00
Daniel Dunbar bfc2d8e5de Fix compiler warning (for -Asserts). 
llvm-svn: 76110
 2009-07-16 22:06:22 +00:00
Owen Anderson c277dc408b Privatize the ConstantFP table. I'm on a roll! 
llvm-svn: 76097
 2009-07-16 19:05:41 +00:00
Ted Kremenek 4ded3d3db2 Update CMake file. 
llvm-svn: 76093
 2009-07-16 18:29:22 +00:00
Owen Anderson 20b34ac794 Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in 
our current context-passing stuff, which is also fixed here

llvm-svn: 76089
 2009-07-16 18:04:31 +00:00
Owen Anderson d420fd4f75 Now that we have contexts on types, convert some more internals to use contexts. 
llvm-svn: 75866
 2009-07-16 00:03:07 +00:00
Owen Anderson 4fdeba9706 Revert yesterday's change by removing the LLVMContext parameter to AllocaInst and MallocInst. 
llvm-svn: 75863
 2009-07-15 23:53:25 +00:00
Chris Lattner dac44ec99b Update the C bindings to keep the LLVMTypeKind up to date between the C/C++ 
stuff.  Patch by Zoltan Varga!

llvm-svn: 75842
 2009-07-15 22:00:31 +00:00
Owen Anderson f945a9ed07 Move a few more convenience factory functions from Constant to LLVMContext. 
llvm-svn: 75840
 2009-07-15 21:51:10 +00:00
Ted Kremenek 39816d9157 Lexically order files in CMakeLists.txt files. 
llvm-svn: 75831
 2009-07-15 21:08:16 +00:00
Owen Anderson 8ee7e405dc Move the ConstantStruct factory methods over to LLVMContext. 
llvm-svn: 75830
 2009-07-15 21:00:46 +00:00
Rafael Espindola f5d53d46b9 Revert 75798 to fix llvm build. 
llvm-svn: 75805
 2009-07-15 17:40:42 +00:00
Duncan Sands c5928d2fad The static function TypeToFloatSemantics is now 
unused - remove it.

llvm-svn: 75798
 2009-07-15 17:19:24 +00:00
Duncan Sands 9ad1594fe0 Remove the v3i32 and v3f32 value types: they are not 
native for any supported targets.

llvm-svn: 75785
 2009-07-15 15:28:52 +00:00
Chris Lattner c35b5bac32 eliminate the Mangler::PreserveAsmNames bit, the sole client of this 
can do it perfectly well itself.

llvm-svn: 75743
 2009-07-15 04:50:47 +00:00
Owen Anderson b6b2530000 Move EVER MORE stuff over to LLVMContext. 
llvm-svn: 75703
 2009-07-14 23:09:55 +00:00
Chris Lattner 8c9a96b966 Reapply my previous asmprinter changes now with more testing and two 
additional bug fixes:

1. The bug that everyone hit was a problem in the asmprinter where it
   would remove $stub but keep the L prefix on a name when emitting the
   indirect symbol.  This is easy to fix by keeping the name of the stub
   and the name of the symbol in a StringMap instead of just keeping a
   StringSet and trying to reconstruct it late.

2. There was a problem printing the personality function.  The current
   logic to print out the personality function from the DWARF information
   is a bit of a cesspool right now that duplicates a bunch of other 
   logic in the asm printer.  The short version of it is that it depends
   on emitting both the L and _ prefix for symbols (at least on darwin)
   and until I can untangle it, it is best to switch the mangler back to
   emitting both prefixes.

llvm-svn: 75646
 2009-07-14 18:17:16 +00:00
Torok Edwin fbcc663cbf llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00