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Author SHA1 Message Date
Devang Patel
7f2d10ec49 Handle NamedMDNode. 
llvm-svn: 77633
 2009-07-30 23:03:19 +00:00
David Goodwin
ef70179502 Remove redundant match for frame index from imm8 addrmode, it is handled by the imm12 addrmode. 
llvm-svn: 77632
 2009-07-30 22:45:52 +00:00
David Goodwin
62efc71b9f Darwin assembler now recognizes "orn", so remove workaround. 
llvm-svn: 77627
 2009-07-30 21:51:41 +00:00
David Goodwin
d29f81da16 Darwin assembler now supports "rrx", so remove workaround. 
llvm-svn: 77625
 2009-07-30 21:38:40 +00:00
Daniel Dunbar
298e11de31 Twine: Directly support int, long, and long long types. 
- This should resolve Cygwin gcc ambiguities.

llvm-svn: 77624
 2009-07-30 21:15:14 +00:00
Dan Gohman
30dfed41b8 Use CallbackVH in AliasSetTracker to avoid getting stuck with 
dangling Value*s.

llvm-svn: 77623
 2009-07-30 20:21:41 +00:00
David Goodwin
2eaffa79af Cleanup and include code selection for some frame index cases. 
llvm-svn: 77622
 2009-07-30 18:56:48 +00:00
Devang Patel
9b0dea089b Start using DebugInfoFinder. 
llvm-svn: 77621
 2009-07-30 18:56:46 +00:00
Devang Patel
788d39ffd4 Do not use getNamedValue() to lookup NamedMDNode. NamedMDNode is not a GlobalValue. 
Thanks Benjamin Kramer!

llvm-svn: 77619
 2009-07-30 18:46:29 +00:00
Devang Patel
659a82fe31 Fix MetadataBase::classof(). 
Thanks Benjamin Kramer!

llvm-svn: 77618
 2009-07-30 18:45:09 +00:00
Daniel Dunbar
edd0313a36 Twine: Use raw_ostream::write_hex, remove unused itohexstr method. 
llvm-svn: 77617
 2009-07-30 18:30:19 +00:00
Daniel Dunbar
e5df20a2dc Remove unintended changes. 
llvm-svn: 77616
 2009-07-30 18:29:44 +00:00
Devang Patel
ab56b759af s/DebugInfoEnumerator/DebugInfoFinder/g 
llvm-svn: 77615
 2009-07-30 18:25:15 +00:00
Daniel Dunbar
79e9ed1d26 Add raw_ostream::write_hex 
llvm-svn: 77614
 2009-07-30 18:21:23 +00:00
Daniel Dunbar
3db25114f0 Remove itohexstr, which only had one user. 
llvm-svn: 77613
 2009-07-30 18:18:54 +00:00
David Goodwin
30429aef93 Add missing D* register clobbers for Thumb-2 call. 
llvm-svn: 77611
 2009-07-30 18:01:09 +00:00
Daniel Dunbar
81f704c26a Twines: Don't allow implicit conversion from integers, this is too tricky. 
llvm-svn: 77605
 2009-07-30 17:37:43 +00:00
Devang Patel
751490b934 walk DbgRegionStartInst and DbgRegionEndInst 
llvm-svn: 77604
 2009-07-30 17:30:23 +00:00
Devang Patel
cef1863706 Fix comment. 
llvm-svn: 77603
 2009-07-30 17:25:33 +00:00
Dan Gohman
0caa78bc21 Minor whitespace tidiness. 
llvm-svn: 77602
 2009-07-30 17:04:07 +00:00
Dan Gohman
0a16a3ee84 Rename GRAD to GR32_AD, to follow the naming convention of other 
classes. And define its SubRegClassList.

llvm-svn: 77601
 2009-07-30 17:02:08 +00:00
Chris Lattner
edb8650e80 add a random codegen deficiency. 
llvm-svn: 77598
 2009-07-30 16:08:58 +00:00
Benjamin Kramer
85fa67c3c5 fix a unitialized pointer in NamedMDNode (and reenable unittest) 
llvm-svn: 77597
 2009-07-30 15:35:55 +00:00
Sanjiv Gupta
b2aad805e0 Allow targets to define libcall names for mem(cpy,set,move) intrinsics, rather than hardcoding them in DAG lowering. 
llvm-svn: 77586
 2009-07-30 09:12:56 +00:00
Evan Cheng
20a1862b23 Add a note. 
llvm-svn: 77584
 2009-07-30 08:56:19 +00:00
Evan Cheng
c6c5c4b074 I've changed the semantics of MERGE_VALUES a bit. It's now allowed to live until scheduling. It's deleted when the scheduler translate DAG nodes to machine instructions. 
This is currently used by X86 to handle atomic_load_add when the output of the node is not used. I believe there is a better solution. But I find MERGE_VALUES useful for selecting multi-output node when the dead output can be selected as a IMPLICIT_DEF.

llvm-svn: 77583
 2009-07-30 08:44:08 +00:00
Evan Cheng
148032a1a2 Optimize some common usage patterns of atomic built-ins __sync_add_and_fetch() and __sync_sub_and_fetch. 
When the return value is not used (i.e. only care about the value in the memory), x86 does not have to use add to implement these. Instead, it can use add, sub, inc, dec instructions with the "lock" prefix.

This is currently implemented using a bit of instruction selection trick. The issue is the target independent pattern produces one output and a chain and we want to map it into one that just output a chain. The current trick is to select it into a merge_values with the first definition being an implicit_def. The proper solution is to add new ISD opcodes for the no-output variant. DAG combiner can then transform the node before it gets to target node selection.

Problem #2 is we are adding a whole bunch of x86 atomic instructions when in fact these instructions are identical to the non-lock versions. We need a way to add target specific information to target nodes and have this information carried over to machine instructions. Asm printer (or JIT) can use this information to add the "lock" prefix.

llvm-svn: 77582
 2009-07-30 08:33:02 +00:00
Daniel Dunbar
4d07efb3c4 Switch obvious clients to Twine instead of utostr (when they were already using 
a Twine, e.g., for names).
 - I am a little ambivalent about this; we don't want the string conversion of
   utostr, but using overload '+' mixed with string and integer arguments is
   sketchy. On the other hand, this particular usage is something of an idiom.

llvm-svn: 77579
 2009-07-30 04:20:37 +00:00
Sanjiv Gupta
6692c2401b Keep track of references to mem(cpy,move,set) and then print only one extern 
declaration for them.

llvm-svn: 77578
 2009-07-30 04:15:15 +00:00
Daniel Dunbar
4d8b1776b4 Twine: Provide [u]int{32,64} conversions via implicit constructors instead of 
explicitly.

llvm-svn: 77576
 2009-07-30 03:47:15 +00:00
Andreas Bolka
56d7bc03dd Equal SCEVs of a subscript give rise to dependence. 
llvm-svn: 77570
 2009-07-30 02:26:01 +00:00
Daniel Dunbar
9ac19401cd Disable the NamedMDNodeTest, it is failing everywhere. 
llvm-svn: 77569
 2009-07-30 02:08:27 +00:00
Nate Begeman
72315231bc Typo 
llvm-svn: 77568
 2009-07-30 02:00:06 +00:00
Dan Gohman
3c7e8160f6 Add a new register class to describe operands that can't be SP, 
due to x86 encoding restrictions. This is currently off by default
because it may cause code quality regressions. This is for PR4572.

llvm-svn: 77565
 2009-07-30 01:56:29 +00:00
Dan Gohman
27f6e510c3 Minor whitespace tidiness. 
llvm-svn: 77564
 2009-07-30 01:33:17 +00:00
Devang Patel
efd06c46c7 Check null NameMDNode elements. 
llvm-svn: 77559
 2009-07-30 01:02:04 +00:00
Dan Gohman
179f1e8a27 Eliminate a bunch of redundant tables. 
llvm-svn: 77558
 2009-07-30 00:40:42 +00:00
Bob Wilson
8624e45518 Lower a 128-bit BUILD_VECTOR with 2 elements to a pair of INSERT_VECTOR_ELTs. 
llvm-svn: 77557
 2009-07-30 00:31:25 +00:00
Dan Gohman
79565c910c Use array_endof instead of doing it manually. 
llvm-svn: 77553
 2009-07-30 00:10:18 +00:00
Devang Patel
fc9ef39a7e Add NamedMDNode test. 
llvm-svn: 77550
 2009-07-30 00:03:41 +00:00
Devang Patel
ee25ed96f5 print single NamedMDNode. 
llvm-svn: 77549
 2009-07-30 00:02:57 +00:00
Evan Cheng
31ac181755 tbb / tbh instructions only branch forward, not backwards. 
llvm-svn: 77522
 2009-07-29 23:20:20 +00:00
Evan Cheng
fabbd6219a Add VFP3 D registers to the DPR register class. 
llvm-svn: 77521
 2009-07-29 23:03:41 +00:00
Nicolas Geoffray
1583f76c9a In TrimAllocationToSize, if a block is below the minimum allocation size, 
there is no new block added to the free list. Therefore on the next
startFunctionBody call, a new slab must be allocated.

llvm-svn: 77520
 2009-07-29 22:55:02 +00:00
Douglas Gregor
8c9b60cabc Eliminate a few unused-variable warnings 
llvm-svn: 77519
 2009-07-29 22:41:10 +00:00
Devang Patel
d5b7c64109 Read and write NamedMDNode. 
llvm-svn: 77517
 2009-07-29 22:34:41 +00:00
Owen Anderson
881d928f9b Move types back to the 2.5 API. 
llvm-svn: 77516
 2009-07-29 22:17:13 +00:00
Devang Patel
d788af24ac Print named metadata. 
llvm-svn: 77513
 2009-07-29 22:04:47 +00:00
Daniel Dunbar
89cb72a6bc Fix PR4645 which was fallout from the fix for PR4641. 
- Call RAUW to delete all instructions (this is a patch from Nick Lewycky).

llvm-svn: 77512
 2009-07-29 22:00:43 +00:00
Devang Patel
c8dfc60e5e There is no need to keep name ref in NamedMDNode. 
llvm-svn: 77511
 2009-07-29 21:58:56 +00:00