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Author SHA1 Message Date
Chris Lattner
dd837a069b test case we alredy get right. 
llvm-svn: 92380
 2010-01-01 00:50:00 +00:00
Ted Kremenek
73df1b5d05 Remove old header. 
llvm-svn: 92378
 2010-01-01 00:04:49 +00:00
Chris Lattner
4a56803f29 clean up some comments. 
llvm-svn: 92377
 2010-01-01 00:04:26 +00:00
Chris Lattner
8812fc68ee switch from std::map to DenseMap for rank data structures. 
llvm-svn: 92375
 2010-01-01 00:01:34 +00:00
Ted Kremenek
15f320fa10 Remove derelict serialization code. 
llvm-svn: 92374
 2009-12-31 23:40:17 +00:00
Chris Lattner
ebe5932016 reuse negates where possible instead of always creating them from scratch. 
This allows us to optimize test12 into:

define i32 @test12(i32 %X) {
  %factor = mul i32 %X, -3                        ; <i32> [#uses=1]
  %Z = add i32 %factor, 6                         ; <i32> [#uses=1]
  ret i32 %Z
}

instead of:

define i32 @test12(i32 %X) {
  %Y = sub i32 6, %X                              ; <i32> [#uses=1]
  %C = sub i32 %Y, %X                             ; <i32> [#uses=1]
  %Z = sub i32 %C, %X                             ; <i32> [#uses=1]
  ret i32 %Z
}

llvm-svn: 92373
 2009-12-31 20:34:32 +00:00
Chris Lattner
bdf261d481 we don't need a smallptrset to detect duplicates, the values are 
sorted, so we can just do a linear scan.

llvm-svn: 92372
 2009-12-31 19:49:01 +00:00
Chris Lattner
5551708ece make reassociate more careful about not leaving around dead mul's 
llvm-svn: 92370
 2009-12-31 19:34:45 +00:00
Chris Lattner
0e3d1bade8 remove debug 
llvm-svn: 92369
 2009-12-31 19:25:19 +00:00
Chris Lattner
59379f8bb0 teach reassociate to factor x+x+x -> x*3. While I'm at it, 
fix RemoveDeadBinaryOp to actually do something.

llvm-svn: 92368
 2009-12-31 19:24:52 +00:00
Chris Lattner
333b35d45e change reassociate to use SmallVector for its key datastructures 
instead of std::vector.

llvm-svn: 92366
 2009-12-31 18:40:32 +00:00
Chris Lattner
0c384066c0 change an if to an assert, fix comment. 
llvm-svn: 92364
 2009-12-31 18:18:46 +00:00
Chris Lattner
e8cca9664a move the rest of the add optimization code out to OptimizeAdd, 
improve some comments, simplify a bit of code.

llvm-svn: 92363
 2009-12-31 18:17:13 +00:00
Chris Lattner
236f281971 factor statistic updating better. 
llvm-svn: 92362
 2009-12-31 17:51:05 +00:00
Benjamin Kramer
9e60957f54 Silence compiler warning. 
warning: comparison between signed and unsigned integer expressions
llvm-svn: 92359
 2009-12-31 16:27:13 +00:00
Chris Lattner
4870f6a384 simple fix for an incorrect factoring which causes a 
miscompilation, PR5458.

llvm-svn: 92354
 2009-12-31 08:33:49 +00:00
Chris Lattner
d9ed31f6d0 merge some more tests in. 
llvm-svn: 92353
 2009-12-31 08:32:22 +00:00
Chris Lattner
67d96ee04c filecheckize 
llvm-svn: 92352
 2009-12-31 08:29:56 +00:00
Chris Lattner
af22bc2328 fix refactoro 
llvm-svn: 92349
 2009-12-31 08:23:09 +00:00
Chris Lattner
d8516bddb2 factor code out into helper functions. 
llvm-svn: 92347
 2009-12-31 07:59:34 +00:00
Chris Lattner
b4d616f2d4 switch some std::vector's to smallvector. Reduce nesting. 
llvm-svn: 92346
 2009-12-31 07:48:51 +00:00
Chris Lattner
fe111bf087 use more modern datastructures. 
llvm-svn: 92344
 2009-12-31 07:33:14 +00:00
Chris Lattner
3ebdd96db7 clean up -debug output. 
llvm-svn: 92343
 2009-12-31 07:17:37 +00:00
Douglas Gregor
c4174c69ea Document the edit-distance algorithm used in StringRef, switch it over 
to SmallVector, and add a unit test.

llvm-svn: 92340
 2009-12-31 04:24:34 +00:00
Chris Lattner
918e70e140 this #include is ok. 
llvm-svn: 92338
 2009-12-31 03:02:42 +00:00
Chris Lattner
ecba817b0e fix Analysis/DebugInfo.h to not include Metadata.h. Do this 
by moving one method out of line and eliminating redundant checks
from other methods.

llvm-svn: 92337
 2009-12-31 03:02:08 +00:00
Chris Lattner
70788c5e57 add some basic named MD tests. 
llvm-svn: 92336
 2009-12-31 03:00:49 +00:00
Chris Lattner
f9012cc497 use early exits to reduce indentation. 
llvm-svn: 92335
 2009-12-31 02:33:14 +00:00
Chris Lattner
db243bdde8 eliminate another copy of the mdnode printing logic, simplify the 
one that remains.

llvm-svn: 92334
 2009-12-31 02:31:59 +00:00
Chris Lattner
81c909630f random tidying for MDNode printing. 
llvm-svn: 92333
 2009-12-31 02:27:30 +00:00
Chris Lattner
4776298748 eliminate a bunch of useless forwarding functions with one caller. 
llvm-svn: 92332
 2009-12-31 02:23:35 +00:00
Chris Lattner
ffb8ade190 make mdnMap type safe, rename accessors for consistency with the rest of llvm. 
llvm-svn: 92331
 2009-12-31 02:20:11 +00:00
Chris Lattner
2e52832769 metadata can't be a global var initializer. 
llvm-svn: 92330
 2009-12-31 02:15:45 +00:00
Chris Lattner
0017de9a80 simplify mdnode printing logic. Now N->dump() only 
dumps one node instead of all of them.

llvm-svn: 92329
 2009-12-31 02:13:35 +00:00
Chris Lattner
b3ba32fa35 don't unittest mdnode printing, we have disassembler tests for this. 
llvm-svn: 92328
 2009-12-31 02:12:13 +00:00
Chris Lattner
63181672c5 unify two copies of the NamedMDNode printing code. 
llvm-svn: 92327
 2009-12-31 01:54:05 +00:00
Chris Lattner
d40fbce519 fix printing of function-local metadata to print all the operands of the 
mdnode, not just operand 0 over and over.

llvm-svn: 92326
 2009-12-31 01:44:44 +00:00
Chris Lattner
5922bf638c simplify printing of mdstring and Argument. 
llvm-svn: 92325
 2009-12-31 01:41:14 +00:00
Chris Lattner
a3660e707c simplify asmprinting of NamedMDNode 
llvm-svn: 92324
 2009-12-31 01:36:50 +00:00
Chris Lattner
8e4ab636ed Remove #include of metadata.h from intrinsicinst.h. The only 
method that needs it (DbgValueInst::getValue) has been moved out
of line.

llvm-svn: 92323
 2009-12-31 01:32:41 +00:00
Chris Lattner
c12382b7c8 rename "elements" of metadata to "operands". "Elements" are 
things that occur in types.  "operands" are things that occur
in values.

llvm-svn: 92322
 2009-12-31 01:22:29 +00:00
Chris Lattner
9afb6e9c27 Optimize MDNode to coallocate the operand list immediately 
after the MDNode in memory.  This eliminates the operands
pointer and saves a new[] per node.

Note that the code in DIDerivedType::replaceAllUsesWith is wrong
and quite scary.  A MDNode should not be RAUW'd with something
else: this changes all uses of the mdnode, which may not be debug
info related!  Debug info should use something non-mdnode for
declarations.

llvm-svn: 92321
 2009-12-31 01:05:46 +00:00
Chris Lattner
6108ad9dd5 tidy 
llvm-svn: 92320
 2009-12-31 00:51:46 +00:00
Chris Lattner
b2de9bbb5e do not bother reuniquing mdnodes whose operands drop to null. Doing 
so can be a huge performance issue when tearing down modules and mdnodes
are not guaranteed to be unique anyway.  This speeds up:
$ time ~/llvm/Release/bin/clang gcc.c -w -S -g

from 72 to 35s, where gcc.c is from:
http://people.csail.mit.edu/smcc/projects/single-file-programs/

llvm-svn: 92315
 2009-12-30 21:42:11 +00:00
Chris Lattner
f3520d2c35 remove some misleading comments. 
llvm-svn: 92311
 2009-12-30 20:25:09 +00:00
Douglas Gregor
301af636d3 Implement edit distance for StringRef 
llvm-svn: 92309
 2009-12-30 17:23:44 +00:00
Chris Lattner
740252f319 remove some fixme's 
llvm-svn: 92304
 2009-12-30 06:00:36 +00:00
Chris Lattner
83d5230121 fix two bogus tests that the asmparser now rejects. 
llvm-svn: 92303
 2009-12-30 05:54:51 +00:00
Chris Lattner
c3422a8190 now that instruction metadata is only parsed in one place, eliminate the 
parser-global MDsOnInst vector and make ParseInstructionMetadata return
its result by-ref through an argument like the entire rest of the parser.

llvm-svn: 92302
 2009-12-30 05:48:36 +00:00
Chris Lattner
fb3b372e6d reimplement ParseOptionalInfo as ParseOptionalCommaAlign, correctly 
handle the comma case for metadata.

llvm-svn: 92301
 2009-12-30 05:44:30 +00:00