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716e7405d30377e8890bc02259d9059ab62bf61c
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316 Commits

Author SHA1 Message Date
Rafael Espindola 716e7405d3 Remove linkonce_odr_auto_hide. 
linkonce_odr_auto_hide was in incomplete attempt to implement a way
for the linker to hide symbols that are known to be available in every
TU and whose addresses are not relevant for a particular DSO.

It was redundant in that it all its uses are equivalent to
linkonce_odr+unnamed_addr. Unlike those, it has never been connected
to clang or llvm's optimizers, so it was effectively dead.

Given that nothing produces it, this patch just nukes it
(other than the llvm-c enum value).

llvm-svn: 193865
 2013-11-01 17:09:14 +00:00
Shuxin Yang 2e1890e18b Revert r193251 : Use address-taken to disambiguate global variable and indirect memops. 
llvm-svn: 193489
 2013-10-27 03:08:44 +00:00
Shuxin Yang e4fb375995 Use address-taken to disambiguate global variable and indirect memops. 
Major steps include:
 1). introduces a not-addr-taken bit-field in GlobalVariable
 2). GlobalOpt pass sets "not-address-taken" if it proves a global varirable 
    dosen't have its address taken.
 3). AA use this info for disambiguation. 

llvm-svn: 193251
 2013-10-23 17:28:19 +00:00
Michael Gottesman 53c885c37a Update comment list of GLOBALVAR modifiers in BitcodeWriter to include externally_initialized. 
Thanks to Shuxin Yang for catching this.

llvm-svn: 192637
 2013-10-14 22:36:51 +00:00
Peter Collingbourne 3fa50f9b05 Implement function prefix data as an IR feature. 
Previous discussion:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/063909.html

Differential Revision: http://llvm-reviews.chandlerc.com/D1191

llvm-svn: 190773
 2013-09-16 01:08:15 +00:00
Bob Wilson e407736a06 Revert patches to add case-range support for PR1255. 
The work on this project was left in an unfinished and inconsistent state.
Hopefully someone will eventually get a chance to implement this feature, but
in the meantime, it is better to put things back the way the were.  I have
left support in the bitcode reader to handle the case-range bitcode format,
so that we do not lose bitcode compatibility with the llvm 3.3 release.

This reverts the following commits: 155464, 156374, 156377, 156613, 156704,
156757, 156804 156808, 156985, 157046, 157112, 157183, 157315, 157384, 157575,
157576, 157586, 157612, 157810, 157814, 157815, 157880, 157881, 157882, 157884,
157887, 157901, 158979, 157987, 157989, 158986, 158997, 159076, 159101, 159100,
159200, 159201, 159207, 159527, 159532, 159540, 159583, 159618, 159658, 159659,
159660, 159661, 159703, 159704, 160076, 167356, 172025, 186736

llvm-svn: 190328
 2013-09-09 19:14:35 +00:00
Andrea Di Biagio 377496bbad Add function attribute 'optnone'. 
This function attribute indicates that the function is not optimized
by any optimization or code generator passes with the 
exception of interprocedural optimization passes.

llvm-svn: 189101
 2013-08-23 11:53:55 +00:00
Tobias Grosser 0a8e12fdbb Make .bc en/decoding of AttrKind stable 
The bitcode representation attribute kinds are encoded into / decoded from
should be independent of the current set of LLVM attributes and their position
in the AttrKind enum. This patch explicitly encodes attributes to fixed bitcode
values.

With this patch applied, LLVM does not silently misread attributes written by
LLVM 3.3. We also enhance the decoding slightly such that an error message is
printed if an unknown AttrKind encoding was dected.

Bonus: Dropping bitcode attributes from AttrKind is now easy, as old AttrKinds
       do not need to be kept to support the Bitcode reader.
llvm-svn: 187186
 2013-07-26 04:16:55 +00:00
Craig Topper 2cd5ff8003 Use SmallVectorImpl& instead of SmallVector to avoid repeating small vector size. 
llvm-svn: 186098
 2013-07-11 16:22:38 +00:00
Bill Wendling 0dc08915d2 Have the bitcode writer and reader handle the new attribute references. 
The bitcode writer emits a reference to the attribute group that the object at
the given index refers to. The bitcode reader is modified to read this in and
map it back to the attribute group.

llvm-svn: 174952
 2013-02-12 08:13:50 +00:00
Bill Wendling 92ed7006fe Rename AttributeSets to AttributeGroups so that it's more meaningful. 
llvm-svn: 174911
 2013-02-11 22:33:26 +00:00
Kostya Serebryany d688bab563 [tsan/msan] adding thread_safety and uninitialized_checks attributes 
llvm-svn: 174864
 2013-02-11 08:13:54 +00:00
David Blaikie b78e9e59ca Fix unnecessary removal of const through cast machinery 
I have some uncommitted changes to the cast code that catch this sort of thing
at compile-time but I still need to do some other cleanup before I can enable
it.

llvm-svn: 174853
 2013-02-11 01:16:51 +00:00
Bill Wendling dc095559fa Add code for emitting the attribute groups. 
This is some initial code for emitting the attribute groups into the bitcode.

NOTE: This format *may* change! Do not rely upon the attribute groups' bitcode
not changing.

llvm-svn: 174845
 2013-02-10 23:09:32 +00:00
Michael Gottesman 27e7ef326a Added LLVM Asm/Bitcode Reader/Writer support for new IR keyword externally_initialized. 
llvm-svn: 174340
 2013-02-05 05:57:38 +00:00
Bill Wendling 56aecccee0 Initial cleanups of the param-attribute code in the bitcode reader/writer. 
Rename the PARAMATTR_CODE_ENTRY to PARAMATTR_CODE_ENTRY_OLD. It will be replaced
by another encoding. Keep around the current LLVM attribute encoder/decoder
code, but move it to the bitcode directories so that no one's tempted to use
them.

llvm-svn: 174335
 2013-02-04 23:32:23 +00:00
Bill Wendling 57625a4966 Remove some introspection functions. 
The 'getSlot' function and its ilk allow introspection into the AttributeSet
class. However, that class should be opaque. Allow access through accessor
methods instead.

llvm-svn: 173522
 2013-01-25 23:09:36 +00:00
Bill Wendling 8649283e75 Use the new 'getSlotIndex' method to retrieve the attribute's slot index. 
llvm-svn: 173499
 2013-01-25 21:46:52 +00:00
Chandler Carruth 9fb823bbd4 Move all of the header files which are involved in modelling the LLVM IR 
into their new header subdirectory: include/llvm/IR. This matches the
directory structure of lib, and begins to correct a long standing point
of file layout clutter in LLVM.

There are still more header files to move here, but I wanted to handle
them in separate commits to make tracking what files make sense at each
layer easier.

The only really questionable files here are the target intrinsic
tablegen files. But that's a battle I'd rather not fight today.

I've updated both CMake and Makefile build systems (I think, and my
tests think, but I may have missed something).

I've also re-sorted the includes throughout the project. I'll be
committing updates to Clang, DragonEgg, and Polly momentarily.

llvm-svn: 171366
 2013-01-02 11:36:10 +00:00
Bill Wendling 3d7b0b8ac7 Rename the 'Attributes' class to 'Attribute'. It's going to represent a single attribute in the future. 
llvm-svn: 170502
 2012-12-19 07:18:57 +00:00
Michael Ilseman 65f1435a6f Reorganize FastMathFlags to be a wrapper around unsigned, and streamline some interfaces. 
llvm-svn: 169712
 2012-12-09 21:12:04 +00:00
Michael Ilseman 6d2ffa1858 Have the bitcode reader/writer just use FPMathOperator's fast math enum directly 
llvm-svn: 169710
 2012-12-09 20:23:16 +00:00
Bill Wendling e94d843e43 s/AttrListPtr/AttributeSet/g to better label what this class is going to be in the near future. 
llvm-svn: 169651
 2012-12-07 23:16:57 +00:00
Michael Ilseman 979dfbb6a1 Minor tweaking to SmallVector static size. 
llvm-svn: 169176
 2012-12-03 22:57:47 +00:00
Michael Ilseman e26658d372 Since this SmallVector immediately grows on the next line, don't waste stack space. SmallVector is still needed due to existing APIs growing their arguments 
llvm-svn: 169157
 2012-12-03 21:29:36 +00:00