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Author SHA1 Message Date
Owen Anderson
caa90b2561 Testcase for PR2639. 
llvm-svn: 69867
 2009-04-23 04:30:52 +00:00
Owen Anderson
bf7354995a Testcase for PR2537. 
llvm-svn: 69866
 2009-04-23 04:26:42 +00:00
Owen Anderson
f04f0e15c7 Fix typo. 
llvm-svn: 69865
 2009-04-23 04:24:19 +00:00
Owen Anderson
a1a09bc01f Testcase for PR3085. 
llvm-svn: 69863
 2009-04-23 04:21:14 +00:00
Owen Anderson
d4b3279a3f Add testcase from PR3086. 
llvm-svn: 69862
 2009-04-23 04:14:03 +00:00
Dan Gohman
6a4629e856 Add support for printing MO_ExternalSymbol operands in 
memory operand tuples. This doesn't ever come up in normal
code however.

llvm-svn: 69848
 2009-04-23 00:57:37 +00:00
Dan Gohman
4523a11557 Add more ulimit limits, to catch more kinds of runaway behavior. 
llvm-svn: 69847
 2009-04-23 00:28:31 +00:00
Owen Anderson
d2cf86afcb Use the testcase from PR2791. 
llvm-svn: 69846
 2009-04-23 00:15:26 +00:00
Evan Cheng
bdfff0ba69 Make sure both operands have binary instructions have the same type. 
llvm-svn: 69844
 2009-04-22 23:39:28 +00:00
Evan Cheng
faa208ae5f A few more places where the check of use_empty is needed. 
llvm-svn: 69842
 2009-04-22 23:09:16 +00:00
Evan Cheng
2af546d5fa Avoid deferencing use_begin() if value does not have a use. 
llvm-svn: 69836
 2009-04-22 22:45:37 +00:00
David Greene
e41e6599cf Allow defm to inherit from multiple multiclasses. 
llvm-svn: 69832
 2009-04-22 22:17:51 +00:00
David Greene
0698602922 Implement !nameconcat to concatenate strings and look up the resulting 
name in the symbol table, returning an object.

llvm-svn: 69822
 2009-04-22 20:18:10 +00:00
Duncan Sands
bd414a0baa Testcase for PR2958. 
llvm-svn: 69818
 2009-04-22 18:55:17 +00:00
Devang Patel
7daece3796 Fix cut-n-pasto. 
llvm-svn: 69816
 2009-04-22 18:51:05 +00:00
David Greene
9d99a33f27 Implement multiclass inheritance. 
llvm-svn: 69810
 2009-04-22 16:42:54 +00:00
Dan Gohman
d6edb69103 Simplify trivial cast-of-cast SCEVs. 
llvm-svn: 69809
 2009-04-22 16:20:48 +00:00
Dan Gohman
0ab6ecf6a1 SCEVExpander's InsertCastOfTo knows how to move existing cast 
instructions in order to avoid inserting new ones. However, if
the cast instruction is the SCEVExpander's InsertPt, this
causes subsequently emitted instructions to be inserted near
the cast, and not at the location of the original insert point.
Fix this by adjusting the insert point in such cases.
This fixes PR4009.

llvm-svn: 69808
 2009-04-22 16:11:16 +00:00
Dan Gohman
471996598f Use BasicBlock::iterator instead of Instruction* for insert points, 
to better handle inserting instructions at the end of a block.

llvm-svn: 69807
 2009-04-22 16:05:50 +00:00
Dan Gohman
5a677884a1 Make SCEVExpanders private methods private, instead of protected. 
llvm-svn: 69806
 2009-04-22 16:00:36 +00:00
Dan Gohman
6cf471ad30 Use CloneModule's ValueMap in more places, instead of looking 
up functions by name.

llvm-svn: 69805
 2009-04-22 15:57:18 +00:00
Dan Gohman
640b379ae6 ISD::ADD_PARTS is gone; use ISD::SMUL_LOHI as an example instead. 
llvm-svn: 69804
 2009-04-22 15:55:31 +00:00
Sanjiv Gupta
60c6705684 Make the function begin label start after ther data pointer. 
The address of data frame for function can be obtained by subtracting 2 from the function begin label.

llvm-svn: 69801
 2009-04-22 12:02:36 +00:00
Duncan Sands
6f29099800 These tests are x86 specific. 
llvm-svn: 69798
 2009-04-22 10:39:51 +00:00
Owen Anderson
309568c469 Real fix for PR3549, by using caching for predecessor counts in addition to the predecessors themselves. This halves the time 
to optimize the testcase, beyond what my previous patch did.

llvm-svn: 69792
 2009-04-22 08:50:12 +00:00
Owen Anderson
1cf271e1d8 Add caching of predecessor counts as well as predecessors themselves. 
llvm-svn: 69791
 2009-04-22 08:46:33 +00:00
Owen Anderson
b36babc111 Use PredIteratorCache in LCSSA, which gives a 37% overall speedup on the testcase from PR3549. More improvements to come. 
llvm-svn: 69788
 2009-04-22 08:09:13 +00:00
Owen Anderson
dd6babaa30 Fix for PR3946, in which SmallVector could behave strangely in corner cases. 
Patch by Peter Johnson.

llvm-svn: 69785
 2009-04-22 07:16:54 +00:00
Chris Lattner
60c88b66da use predicate instead of hand-rolled loop 
llvm-svn: 69752
 2009-04-21 23:37:18 +00:00
Dan Gohman
4cb9d25f4a De-pImpl-ify ScalarEvolution. The pImpl pattern doesn't provide much 
practical benefit in the case of ScalarEvolution, and it's otherwise
a nuisance.

llvm-svn: 69749
 2009-04-21 23:15:49 +00:00
Evan Cheng
a36c6c6819 It has finally happened. Spiller is now using live interval info. 
This fixes a very subtle bug. vr defined by an implicit_def is allowed overlap with any register since it doesn't actually modify anything. However, if it's used as a two-address use, its live range can be extended and it can be spilled. The spiller must take care not to emit a reload for the vn number that's defined by the implicit_def. This is both a correctness and performance issue.

llvm-svn: 69743
 2009-04-21 22:46:52 +00:00
Dan Gohman
19990f2310 When turning (ashr(shl(x, n), n)) into sext(trunc(x)), the width of the 
type to truncate to should be the number of bits of the value that are
preserved, not the number that are clobbered with sign-extension.
This fixes regressions in ldecod.

llvm-svn: 69704
 2009-04-21 20:18:36 +00:00
Mikhail Glushenkov
1b37a864d2 Support --with-llvmgccdir and friends in llvmc, take 2. 
Should now work when building with objdir != srcdir and when llvm-gcc is not
available.

Thanks to Duncan Sands for testing and advice!

llvm-svn: 69700
 2009-04-21 19:46:10 +00:00
Devang Patel
17f434a8f0 Test case for revision 69683. 
llvm-svn: 69684
 2009-04-21 17:21:01 +00:00
Chris Lattner
95aad4d625 fix a crash on a pointless but valid zero-length memset, rdar://6808691 
llvm-svn: 69680
 2009-04-21 16:52:12 +00:00
Anton Korobeynikov
b53ac333d7 Silence warnings. 
Patch by Jay Foad!

llvm-svn: 69679
 2009-04-21 16:04:56 +00:00
Anton Korobeynikov
0a64083f49 Drop obsolete reference to __eprintf. 
Patch by Jay Foad!

llvm-svn: 69678
 2009-04-21 16:04:41 +00:00
Anton Korobeynikov
478dc7fb5e 'The "or die" is intended to catch the case where nm returned a 
non-zero exit status, so nm will already have printed some error
messages.'

Patch by Jay Foad!

llvm-svn: 69677
 2009-04-21 16:04:14 +00:00
Duncan Sands
58c9c564a9 Get rid of what looks like a copy-and-pasted typo. 
Spotted by gcc-4.5.

llvm-svn: 69673
 2009-04-21 09:44:39 +00:00
Rafael Espindola
5adc7ad39e TLS_addr64 and TLS_addr32 define RDI and EAX. They don't use them. 
This fixes PR4002.

llvm-svn: 69672
 2009-04-21 08:22:09 +00:00
Sanjiv Gupta
30ea654901 Handle direct aggregate type arguments. 
llvm-svn: 69665
 2009-04-21 05:54:51 +00:00
Dan Gohman
5cf1e72db9 Teach ScalarEvolution how to recognize zext-inreg and sext-inreg, 
as they appear in LLVM IR. This isn't particularly interesting
on its own; this is just setting up some infrastructure.

llvm-svn: 69655
 2009-04-21 02:26:00 +00:00
Dan Gohman
f920d0a020 This FIXME is fixed, now that SCEV understands pointers. 
llvm-svn: 69651
 2009-04-21 01:41:18 +00:00
Dan Gohman
4e3e945880 Factor out a common base class from SCEVTruncateExpr, SCEVZeroExtendExpr, 
and SCEVSignExtendExpr.

llvm-svn: 69649
 2009-04-21 01:25:57 +00:00
Dan Gohman
2f8d813b3a Usage getAnalysisToUpdate for TargetData, per PR760. 
llvm-svn: 69645
 2009-04-21 01:11:19 +00:00
Dan Gohman
55d8490e7b Introduce encapsulation for ScalarEvolution's TargetData object, and refactor 
the code to minimize dependencies on TargetData.

llvm-svn: 69644
 2009-04-21 01:07:12 +00:00
Dan Gohman
5665fdf2e3 Move some assertion checks so they can do more complete checking. 
llvm-svn: 69643
 2009-04-21 00:55:22 +00:00
Dan Gohman
dd1bfdc7b1 Convert ScalarEvolution to use raw_ostream instead of OStream. 
llvm-svn: 69640
 2009-04-21 00:47:46 +00:00
Devang Patel
d679dbbacc Fix Visual Studio 2008 build failure. 
Patch by Marius Wachtler

llvm-svn: 69637
 2009-04-21 00:08:56 +00:00
Dan Gohman
de72d5129b Make X86's copyRegToReg able to handle copies to and from subclasses. 
This makes the extra copyRegToReg calls in ScheduleDAGSDNodesEmit.cpp
unnecessary. Derived from a patch by Jakob Stoklund Olesen.

llvm-svn: 69635
 2009-04-20 22:54:34 +00:00