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Author SHA1 Message Date
Chris Lattner
f55e7f54b1 switch from std::map to DenseMap for rank data structures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92375 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-01 00:01:34 +00:00
Ted Kremenek
43afbce8ba Remove derelict serialization code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92374 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 23:40:17 +00:00
Chris Lattner
3523993451 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
}



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92373 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 20:34:32 +00:00
Chris Lattner
f31e2e92a8 we don't need a smallptrset to detect duplicates, the values are 
sorted, so we can just do a linear scan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92372 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 19:49:01 +00:00
Chris Lattner
1e7558b656 make reassociate more careful about not leaving around dead mul's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92370 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 19:34:45 +00:00
Chris Lattner
f8a447de16 remove debug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92369 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 19:25:19 +00:00
Chris Lattner
69e98e2c0f teach reassociate to factor x+x+x -> x*3. While I'm at it, 
fix RemoveDeadBinaryOp to actually do something.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92368 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 19:24:52 +00:00
Chris Lattner
9f7b7089be change reassociate to use SmallVector for its key datastructures 
instead of std::vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92366 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 18:40:32 +00:00
Chris Lattner
9cd1bc4f8b change an if to an assert, fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92364 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 18:18:46 +00:00
Chris Lattner
94285e620b move the rest of the add optimization code out to OptimizeAdd, 
improve some comments, simplify a bit of code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 18:17:13 +00:00
Chris Lattner
9fdaefad58 factor statistic updating better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 17:51:05 +00:00
Benjamin Kramer
4760467ff2 Silence compiler warning. 
warning: comparison between signed and unsigned integer expressions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92359 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 16:27:13 +00:00
Chris Lattner
13a754ce92 simple fix for an incorrect factoring which causes a 
miscompilation, PR5458.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 08:33:49 +00:00
Chris Lattner
7f4ae5c84c merge some more tests in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92353 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 08:32:22 +00:00
Chris Lattner
e1f5460f78 filecheckize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92352 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 08:29:56 +00:00
Chris Lattner
dbe85bffd7 fix refactoro 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92349 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 08:23:09 +00:00
Chris Lattner
f3f55a9bc1 factor code out into helper functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92347 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 07:59:34 +00:00
Chris Lattner
8d93b259f6 switch some std::vector's to smallvector. Reduce nesting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92346 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 07:48:51 +00:00
Chris Lattner
ec531233a1 use more modern datastructures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92344 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 07:33:14 +00:00
Chris Lattner
1befe643b2 clean up -debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92343 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 07:17:37 +00:00
Douglas Gregor
7e54d5b156 Document the edit-distance algorithm used in StringRef, switch it over 
to SmallVector, and add a unit test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92340 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 04:24:34 +00:00
Chris Lattner
210d0febc2 this #include is ok. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92338 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 03:02:42 +00:00
Chris Lattner
f0908a351a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92337 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 03:02:08 +00:00
Chris Lattner
6e7f3b39ef add some basic named MD tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92336 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 03:00:49 +00:00
Chris Lattner
c65b72ca26 use early exits to reduce indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92335 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:33:14 +00:00
Chris Lattner
85b1912dba eliminate another copy of the mdnode printing logic, simplify the 
one that remains.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92334 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:31:59 +00:00
Chris Lattner
2b4b1e2e60 random tidying for MDNode printing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92333 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:27:30 +00:00
Chris Lattner
bd72b3201b eliminate a bunch of useless forwarding functions with one caller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92332 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:23:35 +00:00
Chris Lattner
307c9893fc make mdnMap type safe, rename accessors for consistency with the rest of llvm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92331 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:20:11 +00:00
Chris Lattner
51ea55f0ec metadata can't be a global var initializer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92330 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:15:45 +00:00
Chris Lattner
6e6b1805da simplify mdnode printing logic. Now N->dump() only 
dumps one node instead of all of them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92329 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:13:35 +00:00
Chris Lattner
ab2f2f1ace don't unittest mdnode printing, we have disassembler tests for this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 02:12:13 +00:00
Chris Lattner
fdb3356477 unify two copies of the NamedMDNode printing code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92327 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:54:05 +00:00
Chris Lattner
7d054b385f fix printing of function-local metadata to print all the operands of the 
mdnode, not just operand 0 over and over.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92326 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:44:44 +00:00
Chris Lattner
4a3d3a54eb simplify printing of mdstring and Argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92325 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:41:14 +00:00
Chris Lattner
38cf02ebc9 simplify asmprinting of NamedMDNode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92324 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:36:50 +00:00
Chris Lattner
183912af79 Remove #include of metadata.h from intrinsicinst.h. The only 
method that needs it (DbgValueInst::getValue) has been moved out
of line.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92323 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:32:41 +00:00
Chris Lattner
5d0cacdbb6 rename "elements" of metadata to "operands". "Elements" are 
things that occur in types.  "operands" are things that occur
in values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92322 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:22:29 +00:00
Chris Lattner
b76359e36e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92321 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 01:05:46 +00:00
Chris Lattner
cc7b011728 tidy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92320 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 00:51:46 +00:00
Chris Lattner
54a1f9f9c1 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/



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92315 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 21:42:11 +00:00
Chris Lattner
83738a20dd remove some misleading comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 20:25:09 +00:00
Douglas Gregor
441c8b4ad1 Implement edit distance for StringRef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92309 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 17:23:44 +00:00
Chris Lattner
7fccf76048 remove some fixme's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92304 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 06:00:36 +00:00
Chris Lattner
c17e2849d1 fix two bogus tests that the asmparser now rejects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92303 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 05:54:51 +00:00
Chris Lattner
1340dd3708 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92302 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 05:48:36 +00:00
Chris Lattner
c3a6c5c83b reimplement ParseOptionalInfo as ParseOptionalCommaAlign, correctly 
handle the comma case for metadata.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92301 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 05:44:30 +00:00
Chris Lattner
b8c4686a46 rename ParseOptionalCustomMetadata -> ParseInstructionMetadata, 
and make it non-optional.  This fixes the bug where we'd accept
and ignore a spurious comma after some instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92300 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 05:31:19 +00:00
Chris Lattner
a7d7f2c023 convert 4 more instructions over. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92299 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 05:27:33 +00:00
Chris Lattner
f1bc7ce7b3 add facilities to start factoring instruction metadata parsing 
out of each opcode's handler.  Change ret over so far.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92298 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 05:23:43 +00:00