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Author SHA1 Message Date
Chris Lattner
10c42185d8 add a nice predicate to check to see if nan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43304 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 18:54:28 +00:00
Owen Anderson
975de81086 Update Makefile to use simpler llvm-config parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43292 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 16:06:42 +00:00
Owen Anderson
8f9710b0b2 Update Makefile to use simpler llvm-config parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43291 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 16:04:08 +00:00
Chris Lattner
44f1476048 switch some calls to SelectionDAG::getTargetNode to use 
the one that takes an operand list instead of explicit
operands.  There is one left though, the more interesting
one :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43290 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 06:25:09 +00:00
Chris Lattner
99c65745a2 Implement a couple of foldings for ordered and unordered comparisons, 
implementing cases related to PR1738.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43289 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 05:38:08 +00:00
Chris Lattner
9ac0ca07f9 further simplify run options, thanks to gordonh for pointing this out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43288 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 05:09:48 +00:00
Chris Lattner
06bb404d0a Fix instructions now that PR1739 is fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43287 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 04:37:23 +00:00
Chris Lattner
4a444c717d Fix PR1739. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43286 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 04:35:54 +00:00
Hartmut Kaiser
fac5be9d9a Added VC++ solution file allowing to build clang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43279 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 00:13:40 +00:00
Hartmut Kaiser
4d40b50743 Silenced a VC++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43276 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 00:06:31 +00:00
Hartmut Kaiser
3d251c626d Updated VC++ build system 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43275 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 23:57:01 +00:00
Bill Wendling
30eeb3c6c0 Fix comment and use the "Size" variable that's already provided. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43271 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 23:36:57 +00:00
Bill Wendling
8b1c68cee4 If there's an unaligned memcpy to/from the stack, don't lower it. Just call the 
memcpy library function instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43270 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 23:32:40 +00:00
Dale Johannesen
79217064c6 Disable a couple more things for ppcf128. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43267 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 23:20:14 +00:00
Ted Kremenek
211f674e3f Added "ReadEnum" and "WriteEnum" to serialization classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43265 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 22:17:03 +00:00
Bill Wendling
803396fce2 This broke lots. Reverting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43264 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 22:04:26 +00:00
Owen Anderson
7feb3be0b7 Make DomTreeBase not a FunctionPass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43263 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 21:42:49 +00:00
Bill Wendling
de09040946 Lowering a memcpy to the stack is killing PPC. The ARM and X86 backends already 
have their own custom memcpy lowering code. This code needs to be factored out
into a target-independent lowering method with hooks to the backend. In the
meantime, just call memcpy if we're trying to copy onto a stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43262 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 21:30:25 +00:00
Ted Kremenek
0b2d7aaf5c Added preliminary implementation of generic object serialization to bitcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43261 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 21:29:33 +00:00
Owen Anderson
78daec973e Unbreak the build. Forgot to commit this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43260 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 21:04:37 +00:00
Owen Anderson
d20cc14dbf Make DomTree and PostDomTree thin wrappers around DomTreeBase, rather than inheriting from it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43259 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 20:58:37 +00:00
Evan Cheng
7bb175b4d1 It's possible to commute instrctions with more than 3 operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43256 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 20:14:40 +00:00
Chris Lattner
a91547790b new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43252 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 18:07:23 +00:00
Chris Lattner
ee19b866c3 llvm/test programs should not be execution programs. This 
will hopefully fix Gabor's Sparc problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43251 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 17:56:04 +00:00
Evan Cheng
e11fb34381 isSubRegOf() is a dup of isSubRegister. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:51:50 +00:00
Evan Cheng
152b7e1874 Temporary solution: added a different set of BCTRL_Macho / BCTRL_ELF with right callee-saved defs set for ppc64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43248 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:42:42 +00:00
Chris Lattner
8eef4b2d05 Fix validation problems, which were somewhat ironically in the "valid html" button code :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43247 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:30:50 +00:00
Chris Lattner
c0b42e9558 add a skeleton for part 4 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:27:55 +00:00
Chris Lattner
35abbf518f complete the codegen chapter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:23:57 +00:00
Owen Anderson
bad82d8c94 Now with valid HTML 4.01! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43244 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:22:21 +00:00
Owen Anderson
a6f31fe9a1 Add a link to the "writing an optimization" tutorial. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43243 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:17:39 +00:00
Owen Anderson
a7dfb75726 Add downloadable code sample for tutorial 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43242 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:05:37 +00:00
Owen Anderson
c04ee69007 Add the second of the "basic topics" tutorials. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43241 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:03:24 +00:00
Owen Anderson
485eff5f90 Reorder the optimization and bitcode tutorials. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43240 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 06:02:14 +00:00
Chris Lattner
d93a584eae Fix up a broken #include, move code to its own section, add conclusions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43239 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 05:43:01 +00:00
Chris Lattner
d3f0cddb62 Finish up expr codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43238 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 04:51:30 +00:00
Chris Lattner
28571edba8 several improvements suggested by Dan, thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43237 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-23 04:27:44 +00:00
Evan Cheng
4102eb57bb Fix memcpy lowering when addresses are 4-byte aligned but size is not multiple of 4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43234 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 22:11:27 +00:00
Dan Gohman
ac72058dd6 The #include <iterator> isn't needed in this header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43232 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 20:44:10 +00:00
Dan Gohman
02e4fa7d5f Strength reduction improvements. 
- Avoid attempting stride-reuse in the case that there are users that
   aren't addresses. In that case, there will be places where the
   multiplications won't be folded away, so it's better to try to
   strength-reduce them.

 - Several SSE intrinsics have operands that strength-reduction can
   treat as addresses. The previous item makes this more visible, as
   any non-address use of an IV can inhibit stride-reuse.

 - Make ValidStride aware of whether there's likely to be a base
   register in the address computation. This prevents it from thinking
   that things like stride 9 are valid on x86 when the base register is
   already occupied.

Also, XFAIL the 2007-08-10-LEA16Use32.ll test; the new logic to avoid
stride-reuse elimintes the LEA in the loop, so the test is no longer
testing what it was intended to test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43231 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 20:40:42 +00:00
Dan Gohman
8368805e25 Fix the folding of multiplication into addresses on x86, which was broken 
by the recent {U,S}MUL_LOHI changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43230 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 20:22:24 +00:00
Evan Cheng
3311876c3c Use ptr type in the immediate field of a BxA instruction so we don't end up selecting 32-bit call instruction for ppc64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43228 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 19:46:19 +00:00
Evan Cheng
76500d52be Add missing paratheses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43227 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 19:42:28 +00:00
Chris Lattner
706a5e6124 add a 'don't use me' marker. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43226 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 19:41:46 +00:00
Duncan Sands
fec3ad3e5f Support for expanding extending loads of integers with 
funky bit-widths.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43225 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 19:00:05 +00:00
Dan Gohman
246b2564d3 Move the SCEV object factors from being static members of the individual 
SCEV subclasses to being non-static member functions of the ScalarEvolution
class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43224 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 18:31:58 +00:00
Duncan Sands
245741d2a1 Fix up the logic for result expanding the various extension 
operations so they work right for integers with funky
bit-widths.  For example, consider extending i48 to i64
on a 32 bit machine.  The i64 result is expanded to 2 x i32.
We know that the i48 operand will be promoted to i64, then
also expanded to 2 x i32.  If we had the expanded promoted
operand to hand, then expanding the result would be trivial.
Unfortunately at this stage we can only get hold of the
promoted operand.  So instead we kind of hand-expand, doing
explicit shifting and truncating to get the top and bottom
halves of the i64 operand into 2 x i32, which are then used
to expand the result.  This is harmless, because when the
promoted operand is finally expanded all this bit fiddling
turns into trivial operations which are eliminated either
by the expansion code itself or the DAG combiner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43223 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 18:26:21 +00:00
Chris Lattner
bee175b3dc fit in 80 cols :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43222 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 16:44:31 +00:00
Chris Lattner
2e90204d59 start of chapter 3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43221 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 07:01:42 +00:00
Owen Anderson
c6311b9d62 Fix a few typos I noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43220 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-22 06:48:28 +00:00