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4604 Commits

Author SHA1 Message Date
Devang Patel
dd2491943e Remove unused variables. 
llvm-svn: 59570
 2008-11-19 00:22:02 +00:00
Devang Patel
b49b40c2fb Fix typo. 
llvm-svn: 59569
 2008-11-19 00:19:18 +00:00
Devang Patel
233728e8c3 Add new helper pass that strips all symbol names except debugging information. 
This pass makes it easier to test wheter debugging info. influences optimization passes or not.

llvm-svn: 59552
 2008-11-18 21:34:39 +00:00
Devang Patel
0728a7d7e5 Remove even more llvm.dbg variables. 
Remove all dead globals from llvm.metadata.
Ignore linkonce linkage for selected llvm.dbg values.

llvm-svn: 59547
 2008-11-18 21:13:41 +00:00
Devang Patel
d8981479c2 Initialize MallocFunc and FreeFunc properly. 
llvm-svn: 59538
 2008-11-18 18:43:07 +00:00
Bill Wendling
5ba12c88c1 Cast to remove warning about comparing signed and unsigned. 
llvm-svn: 59518
 2008-11-18 10:57:27 +00:00
Devang Patel
2a0aa9fa51 Give SIToFPInst preference over UIToFPInst because it is faster on platforms that are widely used. 
llvm-svn: 59476
 2008-11-18 00:40:02 +00:00
Devang Patel
705f88d5b5 While handling floating point IVs lift restrictions on initial value and increment value. 
llvm-svn: 59471
 2008-11-17 23:27:13 +00:00
Devang Patel
2d0c234523 Handle floating point ivs during doInitialization(). 
llvm-svn: 59466
 2008-11-17 21:32:02 +00:00
Devang Patel
6c2dd85bf3 Let AnalyzeAlloca() remove debug intrinsics. 
llvm-svn: 59454
 2008-11-17 18:37:53 +00:00
Torok Edwin
f67e9bb406 If SI->size() is 0, we are not allowed to dereference ->begin(). 
This fixed PR3078.

llvm-svn: 59416
 2008-11-16 17:21:25 +00:00
Chris Lattner
ba8e67c635 eliminate some std::set's. 
llvm-svn: 59409
 2008-11-16 07:17:51 +00:00
Chris Lattner
d85de82f04 simplify loop 
llvm-svn: 59406
 2008-11-16 06:35:18 +00:00
Chris Lattner
652917424d simplify a bunch more instcombines to use m_Specific etc. 
llvm-svn: 59403
 2008-11-16 05:38:51 +00:00
Chris Lattner
c487057a1e factor the code for simplifying (icmp)|(icmp) into its own function. 
llvm-svn: 59402
 2008-11-16 05:20:07 +00:00
Chris Lattner
6b5b2c3606 do some computation with apints instead of ConstantInts. 
llvm-svn: 59401
 2008-11-16 05:14:43 +00:00
Chris Lattner
f47d16afe3 merge a check into a place where it is simpler. 
llvm-svn: 59400
 2008-11-16 05:10:52 +00:00
Chris Lattner
3b058783bc factor a whole bunch of code out into a helper function. 
llvm-svn: 59398
 2008-11-16 05:06:21 +00:00
Chris Lattner
f9dd858359 simplify the conditions on two gigantic if's, decreasing indentation 
a bit.  Next step is to factor out into their own helper functions.

llvm-svn: 59397
 2008-11-16 04:55:20 +00:00
Chris Lattner
762c52d684 simplify some instcombine matches by using m_Specific 
llvm-svn: 59395
 2008-11-16 04:46:19 +00:00
Chris Lattner
a5aee38775 Use new m_SelectCst template to eliminate macros. 
llvm-svn: 59392
 2008-11-16 04:33:38 +00:00
Chris Lattner
cba75c1b7b simplify code. 
llvm-svn: 59390
 2008-11-16 04:26:55 +00:00
Chris Lattner
21f18c9760 Handle the case where there is no "not". It is possible it got 
folded into the select.

llvm-svn: 59389
 2008-11-16 04:25:26 +00:00
Chris Lattner
6afddeeed1 factor a bunch of copy/paste code out into a helper function. 
Eliminate the cases checking for cond?0:-1, since that is already
handled by commutative checking.

llvm-svn: 59388
 2008-11-16 04:24:12 +00:00
Chris Lattner
9dd963a73a rearrange some code, no functionality change. 
llvm-svn: 59381
 2008-11-16 03:56:24 +00:00
Chris Lattner
0c0c68bab4 if we're going to use a macro, use it maximally. no functionality change. 
llvm-svn: 59380
 2008-11-16 03:54:57 +00:00
Devang Patel
86c9f12e47 Refactor code. 
Strip debug information before stripping symbol names. 

llvm-svn: 59328
 2008-11-14 22:49:37 +00:00
Devang Patel
2876af73db Really remove all debug information. 
llvm-svn: 59208
 2008-11-13 01:28:40 +00:00
Oscar Fuentes
444fd3cc2d CMake: Remove removed source file. 
llvm-svn: 59098
 2008-11-12 00:14:12 +00:00
Devang Patel
0a73799659 Remove 
llvm-svn: 59093
 2008-11-11 23:58:15 +00:00
Devang Patel
0616706919 Undo previous check-in. 
llvm-svn: 59092
 2008-11-11 23:57:33 +00:00
Oscar Fuentes
ac819d0394 CMake: Updated list of source files for lib/Transforms/Utils. 
llvm-svn: 59077
 2008-11-11 19:51:36 +00:00
Devang Patel
c9fdfd2f0b Add utility pass to remove dbg info. 
llvm-svn: 59068
 2008-11-11 19:33:39 +00:00
Devang Patel
ef6a48b56f Use actual function name in comments. 
llvm-svn: 59063
 2008-11-11 19:16:41 +00:00
Cedric Venet
49a701ae17 Update CMakeLists.txt 
llvm-svn: 59039
 2008-11-11 09:55:48 +00:00
Devang Patel
fbb29cdaee Cleanup debug info. assocated with deleted instructions. 
llvm-svn: 59012
 2008-11-11 00:54:10 +00:00
Devang Patel
ec4ae29ae4 Add utility routines to remove dead debug info. 
llvm-svn: 59011
 2008-11-11 00:53:02 +00:00
Devang Patel
f0d6bd18d5 If the sign of exit condition and split condition does not match 
then do not split loop index.

llvm-svn: 58995
 2008-11-10 19:48:34 +00:00
Bill Wendling
b7d5ca543e Third time's a charm. 
The previous patches didn't match correctly. Also, we need to make sure that
the conditional is the same before doing the transformation.

llvm-svn: 58978
 2008-11-10 06:59:06 +00:00
Mon P Wang
911ee5bf8b Added support for the following definition of shufflevector 
<result> = shufflevector <n x <ty>> <v1>, <n x <ty>> <v2>, <m x i32> <mask> 

llvm-svn: 58964
 2008-11-10 04:46:22 +00:00
Bill Wendling
137550d34d Correction for the last patch. Should match the conditional in the first part 
of the select match, not the select instruction itself.

llvm-svn: 58947
 2008-11-09 23:37:53 +00:00
Bill Wendling
3b91357ef0 The method of doing the matching with a 'select' instruction was wrong. The 
original code was matching like this:

	if (match(A, m_Not(m_Value(B))))

B was already matched as a 'select' instruction. However, this isn't matching
what we think it's matching. It would match B as a 'Value', so basically
anything would match to it. In this case, a Constant matched. B was replaced
with a constant representation. And then the wrong value would be used in the
SelectInst::Create statement, causing a crash.

After thinking on this for a moment, and after Nick L. told me how the pattern
matching stuff was supposed to work, the solution was to match NOT an m_Value,
but an m_Select.

llvm-svn: 58946
 2008-11-09 23:17:42 +00:00
Nuno Lopes
6dfcc8cf45 fix leakage of ValueNumbering 
llvm-svn: 58933
 2008-11-09 12:45:23 +00:00
Bill Wendling
436d4cce83 If the LHS of the FCMP is coming from a UIToFP instruction, then we don't want 
to generate signed ICMP instructions to replace the FCMP. This would violate
the following:

define i1 @test1(i32 %val) {
  %1 = uitofp i32 %val to double
  %2 = fcmp ole double %1, 0.000000e+00
  ret i1 %2
}

would be transformed into:

define i1 @test1(i32 %val) {
  %1 = icmp slt i33 %val, 1
  ret i1 %1
}

which is obviously wrong. This patch modifes InstCombiner::FoldFCmp_IntToFP_Cst
to handle when the LHS comes from UIToFP.

llvm-svn: 58929
 2008-11-09 04:26:50 +00:00
Daniel Dunbar
ce947e0039 Rework r58829, allowing removal of dbg info intrinsics during alloca 
promotion.
 - Eliminate uses after free and simplify tests.

Devang: Please check that this is still doing what you intended.
llvm-svn: 58887
 2008-11-08 04:12:17 +00:00
Bill Wendling
a5eb92b137 BCUI + 1 doesn't work. Use next instead. 
llvm-svn: 58830
 2008-11-07 01:59:41 +00:00
Devang Patel
0958cd6437 Handle (delete) dbg intrinsics while promoting alloca. 
llvm-svn: 58826
 2008-11-07 01:30:07 +00:00
Mon P Wang
888f4e6fb0 Fixed scalarizing an extract subvector and prevent an infinite loop 
when simplify a vector. 

llvm-svn: 58820
 2008-11-06 22:52:21 +00:00
Devang Patel
cea9dfa11f InstructionNamer preserves everything. 
llvm-svn: 58787
 2008-11-06 01:00:16 +00:00
Devang Patel
de9b95965a Do now allow InlineAlways pass to remove dead functions. 
llvm-svn: 58744
 2008-11-05 01:39:16 +00:00