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4604 Commits

Author SHA1 Message Date
Devang Patel 25662f3e4a Remove unused variables. 
llvm-svn: 59570
 2008-11-19 00:22:02 +00:00
Devang Patel ebd2363339 Fix typo. 
llvm-svn: 59569
 2008-11-19 00:19:18 +00:00
Devang Patel b5e867acff 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 3b7a2be88e 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 a13f1f38fa Initialize MallocFunc and FreeFunc properly. 
llvm-svn: 59538
 2008-11-18 18:43:07 +00:00
Bill Wendling cf194e9a27 Cast to remove warning about comparing signed and unsigned. 
llvm-svn: 59518
 2008-11-18 10:57:27 +00:00
Devang Patel f1e9329209 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 180afd2c55 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 aa3d68d301 Handle floating point ivs during doInitialization(). 
llvm-svn: 59466
 2008-11-17 21:32:02 +00:00
Devang Patel b63c74730c Let AnalyzeAlloca() remove debug intrinsics. 
llvm-svn: 59454
 2008-11-17 18:37:53 +00:00
Torok Edwin 026259faeb 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 7917b43a28 eliminate some std::set's. 
llvm-svn: 59409
 2008-11-16 07:17:51 +00:00
Chris Lattner f8f6270f14 simplify loop 
llvm-svn: 59406
 2008-11-16 06:35:18 +00:00
Chris Lattner 44152742a0 simplify a bunch more instcombines to use m_Specific etc. 
llvm-svn: 59403
 2008-11-16 05:38:51 +00:00
Chris Lattner d397fef50d factor the code for simplifying (icmp)|(icmp) into its own function. 
llvm-svn: 59402
 2008-11-16 05:20:07 +00:00
Chris Lattner 909b969b18 do some computation with apints instead of ConstantInts. 
llvm-svn: 59401
 2008-11-16 05:14:43 +00:00
Chris Lattner feaea9bdf7 merge a check into a place where it is simpler. 
llvm-svn: 59400
 2008-11-16 05:10:52 +00:00
Chris Lattner 269cbd5770 factor a whole bunch of code out into a helper function. 
llvm-svn: 59398
 2008-11-16 05:06:21 +00:00
Chris Lattner b37b6e7e96 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 f1be285134 simplify some instcombine matches by using m_Specific 
llvm-svn: 59395
 2008-11-16 04:46:19 +00:00
Chris Lattner fae5e33111 Use new m_SelectCst template to eliminate macros. 
llvm-svn: 59392
 2008-11-16 04:33:38 +00:00
Chris Lattner 569d78cbb5 simplify code. 
llvm-svn: 59390
 2008-11-16 04:26:55 +00:00
Chris Lattner c3f3b059d0 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 5f6d9a313b 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 68d2da2a19 rearrange some code, no functionality change. 
llvm-svn: 59381
 2008-11-16 03:56:24 +00:00
Chris Lattner e02c7c7ad2 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 8ada1d5de5 Refactor code. 
Strip debug information before stripping symbol names. 

llvm-svn: 59328
 2008-11-14 22:49:37 +00:00
Devang Patel 3dd51c5c62 Really remove all debug information. 
llvm-svn: 59208
 2008-11-13 01:28:40 +00:00
Oscar Fuentes 1b504d5372 CMake: Remove removed source file. 
llvm-svn: 59098
 2008-11-12 00:14:12 +00:00
Devang Patel 4f02a0b740 Remove 
llvm-svn: 59093
 2008-11-11 23:58:15 +00:00
Devang Patel bf0835706c Undo previous check-in. 
llvm-svn: 59092
 2008-11-11 23:57:33 +00:00
Oscar Fuentes 2353ef3e91 CMake: Updated list of source files for lib/Transforms/Utils. 
llvm-svn: 59077
 2008-11-11 19:51:36 +00:00
Devang Patel 6096f26bd4 Add utility pass to remove dbg info. 
llvm-svn: 59068
 2008-11-11 19:33:39 +00:00
Devang Patel 95b18126ee Use actual function name in comments. 
llvm-svn: 59063
 2008-11-11 19:16:41 +00:00
Cedric Venet 8cb2e28e43 Update CMakeLists.txt 
llvm-svn: 59039
 2008-11-11 09:55:48 +00:00
Devang Patel 53b39b5467 Cleanup debug info. assocated with deleted instructions. 
llvm-svn: 59012
 2008-11-11 00:54:10 +00:00
Devang Patel dc6699e82f Add utility routines to remove dead debug info. 
llvm-svn: 59011
 2008-11-11 00:53:02 +00:00
Devang Patel d0ce981372 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 7ef7314d1a 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 25f0106fd9 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 4fb13c051d 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 1579287550 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 2e42927e7c fix leakage of ValueNumbering 
llvm-svn: 58933
 2008-11-09 12:45:23 +00:00
Bill Wendling 3f547be28f 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 2b9dce2669 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 b9656df4ac BCUI + 1 doesn't work. Use next instead. 
llvm-svn: 58830
 2008-11-07 01:59:41 +00:00
Devang Patel b8e0d59ceb Handle (delete) dbg intrinsics while promoting alloca. 
llvm-svn: 58826
 2008-11-07 01:30:07 +00:00
Mon P Wang 5ca2ec65bd 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 5a5ab730e0 InstructionNamer preserves everything. 
llvm-svn: 58787
 2008-11-06 01:00:16 +00:00
Devang Patel f0ef35738c Do now allow InlineAlways pass to remove dead functions. 
llvm-svn: 58744
 2008-11-05 01:39:16 +00:00