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Author SHA1 Message Date
Dan Gohman
c7fe713e72 Avoid referring to edge D after the Succs or Preds arrays have 
been modified, to avoid trouble in the (unlikely) scenario that
D is a reference to an element in one of those arrays.

llvm-svn: 62173
 2009-01-13 19:08:45 +00:00
Duncan Sands
975f2428ba When replacing uses and the same node is reached 
via two paths, process it once not twice, d'oh!
Analysis, testcase and original patch thanks to
Mon Ping Wang.

llvm-svn: 62169
 2009-01-13 15:17:14 +00:00
Duncan Sands
21b6c02d9d Mark this XFAIL for the moment. 
llvm-svn: 62168
 2009-01-13 15:15:46 +00:00
Duncan Sands
439d97a6cb Fix some typos. Also, the WidenedVectors map 
was not being cleaned by ExpungeNode.

llvm-svn: 62167
 2009-01-13 14:42:39 +00:00
Duncan Sands
8267463dec Correct a comment - this is not a sign extension. 
llvm-svn: 62166
 2009-01-13 14:04:14 +00:00
Duncan Sands
661959b54e Correct a comment. 
llvm-svn: 62165
 2009-01-13 13:48:44 +00:00
Nick Lewycky
911bb6122c Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295, 
PR3296 and PR3302.

llvm-svn: 62160
 2009-01-13 09:18:58 +00:00
Chris Lattner
70d79bbe85 add a new insertAfter method, patch by Tom Jablin! 
llvm-svn: 62158
 2009-01-13 07:43:51 +00:00
Chris Lattner
50de4f0704 make -march=cpp handle the nocapture attribute, make it assert if it 
sees attributes it doesn't know.

llvm-svn: 62155
 2009-01-13 07:22:22 +00:00
Evan Cheng
6fd76e738c Un-tabify. 
llvm-svn: 62151
 2009-01-13 06:08:37 +00:00
Owen Anderson
fee3404e0f Fix fallout from r62144. Evan, please double check this. 
llvm-svn: 62150
 2009-01-13 06:05:10 +00:00
Evan Cheng
a706a020bc FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. 
llvm-svn: 62144
 2009-01-13 03:57:45 +00:00
Devang Patel
eed0505ed8 Use DebugInfo interface to lower dbg_* intrinsics. 
llvm-svn: 62127
 2009-01-13 00:35:13 +00:00
Devang Patel
6d7fd4b913 Use DebugInfo interface to lower dbg_* intrinsics. 
llvm-svn: 62126
 2009-01-13 00:32:17 +00:00
Devang Patel
13a43a3789 Start using DebugInfo API to emit debug info. 
llvm-svn: 62125
 2009-01-13 00:20:51 +00:00
Dan Gohman
276142c95b Document several current CodeGen limitations in LangRef.html. 
Patches for any of these are welcome!

llvm-svn: 62120
 2009-01-12 23:12:39 +00:00
Devang Patel
68ef0f4ecb Emit debug info, only if at least one compile unit is seen. 
llvm-svn: 62118
 2009-01-12 23:09:42 +00:00
Devang Patel
4379343f92 If multiple compile units are seen then emit them independently. In other words, do not force all DIEs into first, whatever it is, compile unit. 
Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.)

llvm-svn: 62116
 2009-01-12 23:05:55 +00:00
Devang Patel
283436f4b9 Avoid cast<>, use light weith wrapper directly. 
llvm-svn: 62115
 2009-01-12 22:58:14 +00:00
Devang Patel
261d3cb2af Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear soon. 
llvm-svn: 62114
 2009-01-12 22:54:42 +00:00
Dale Johannesen
12bb54e183 Enable recursive inlining. Reduce inlining threshold 
back to 200; 400 seems to be too high, loses more than
it gains.

llvm-svn: 62107
 2009-01-12 22:11:50 +00:00
Devang Patel
78077adf03 Add classof() methods to support isa<> and other related facilities. 
llvm-svn: 62104
 2009-01-12 21:38:43 +00:00
Dan Gohman
bdb0a5b773 The LLVM Assembly Language Reference incorrectly stated that the 
prefix used for dll{import,export} is _imp__; it is actually __imp_.
Patch by Mahadevan R!

llvm-svn: 62103
 2009-01-12 21:35:55 +00:00
Dan Gohman
b9e5badcf9 Fix the instructions to work even when PATH does not contain ".". 
Thanks to Martin Geisse for pointing this out!

llvm-svn: 62102
 2009-01-12 21:29:24 +00:00
Duncan Sands
bcdbfb63dc Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.

llvm-svn: 62099
 2009-01-12 20:38:59 +00:00
Devang Patel
27f9c78c56 Add DwarfWriter interface to mainipulate source location info. 
( May be this info should be directly handled by the dwarf writer ? )

llvm-svn: 62096
 2009-01-12 19:17:34 +00:00
Chris Lattner
e53b562bee remove some dead options. 
llvm-svn: 62095
 2009-01-12 19:02:50 +00:00
Devang Patel
149d412a0e Clear debug info at the end of function processing. 
llvm-svn: 62092
 2009-01-12 18:48:36 +00:00
Devang Patel
89a815941c There is no need to maintain separate labelid list in the dwarf writer. It is not a good idea. 
llvm-svn: 62090
 2009-01-12 18:41:00 +00:00
Rafael Espindola
2fed481c49 Remove some dead code from the days llvm had type planes. 
There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-(

llvm-svn: 62088
 2009-01-12 15:53:25 +00:00
Evan Cheng
4479171ba3 Second test is only valid in 32-bit mode. 
llvm-svn: 62084
 2009-01-12 08:05:54 +00:00
Evan Cheng
64eee612cf Test for r62076. 
llvm-svn: 62077
 2009-01-12 03:46:55 +00:00
Evan Cheng
5e17ea36e1 Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. 
Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet.

llvm-svn: 62074
 2009-01-12 03:19:55 +00:00
Owen Anderson
e6451daef4 More two-address fixes. This gets lua working with join-creation enabled. 
llvm-svn: 62073
 2009-01-12 03:10:40 +00:00
Chris Lattner
ed4ee47a0d make tblgen autogenerate the nocapture intrinsics for 
llvm.memcpy/memset/memmove.  This allows removal of some 
hackish code from basicaa.

llvm-svn: 62071
 2009-01-12 02:41:37 +00:00
Chris Lattner
c26f718218 add scaffolding to emit argument attributes. No functionality 
change.

llvm-svn: 62067
 2009-01-12 01:27:55 +00:00
Chris Lattner
a844423a1b make tblgen emit the entire Intrinsic::getAttributes method, 
not a random piece of it.  No functionality change.

llvm-svn: 62066
 2009-01-12 01:18:58 +00:00
Chris Lattner
c31c59a3be add nocapture attribute to llvm.mem* intrinsics and have tblgen 
parse them.  tblgen doesn't yet do anything with this info though.

llvm-svn: 62065
 2009-01-12 01:12:03 +00:00
Dale Johannesen
831246cdbd Increase default inlining aggressiveness in partial 
compensation for turning off gcc's inliner.  This gets
us closer to the amount of inlining we were getting before.
It is not a win on everything, of course, but seems to
gain overall.

llvm-svn: 62058
 2009-01-11 23:11:00 +00:00
Gabor Greif
436a7dd98c drats! remove tabs 
llvm-svn: 62056
 2009-01-11 22:39:04 +00:00
Gabor Greif
20c5fd503d simplify CallSite helper class to not consult the Instruction's 
opcode on each delegation.
Instead the information is cached on construction and the cached flag used thereafter.
Introduced two predicates: isCall and isInvoke.

llvm-svn: 62055
 2009-01-11 22:33:22 +00:00
Chris Lattner
96dacb990b Implement PR3313, and while I'm at it address a very FAQ. 
llvm-svn: 62048
 2009-01-11 20:53:49 +00:00
Chris Lattner
da5c0c85dc Duncan is nervous about undefinedness of % with negatives. I'm 
not thrilled about 64-bit % in general, so rewrite to use * instead.

llvm-svn: 62047
 2009-01-11 20:41:36 +00:00
Chris Lattner
d1e5994f90 do not generated GEPs into vectors where they don't already exist. 
We should treat vectors as atomic types, not like arrays.

llvm-svn: 62046
 2009-01-11 20:23:52 +00:00
Chris Lattner
d2011c4015 Make a couple of cleanups to the instcombine bitcast/gep 
canonicalization transform based on duncan's comments:

1) improve the comment about %.
2) within our index loop make sure the offset stays 
   within the *type size*, instead of within the *abi size*.
   This allows us to reason explicitly about landing in tail
   padding and means that issues like non-zero offsets into
   [0 x foo] types don't occur anymore.

llvm-svn: 62045
 2009-01-11 20:15:20 +00:00
Nick Lewycky
4d1c04a4ea Use the spiffy new getAlignmentFromAttrs function. 
llvm-svn: 62039
 2009-01-11 17:02:06 +00:00
Evan Cheng
e280fcfbbc CheckForPhysRegDependency should not return copy cost. It's not used. No functionality change. 
llvm-svn: 62036
 2009-01-11 08:53:35 +00:00
Bill Wendling
1c5828d337 Fix naming of file. 
llvm-svn: 62035
 2009-01-11 01:25:51 +00:00
Dan Gohman
473e732586 Fix the example syntax for named sections. 
llvm-svn: 62033
 2009-01-11 00:40:00 +00:00
Evan Cheng
47dfb8c719 This is a dup of pr2659.ll. 
llvm-svn: 62029
 2009-01-10 19:06:32 +00:00