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Author SHA1 Message Date
Dale Johannesen
4aa397c5bf Testcase for 69795. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 18:04:04 +00:00
Dan Gohman
e22d503ee5 Fix an error in this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69893 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 15:22:28 +00:00
Dan Gohman
752ec7da50 Change SCEVExpander's expandCodeFor to provide more flexibility 
with the persistent insertion point, and change IndVars to make
use of it. This fixes a bug where IndVars was holding on to a
stale insertion point and forcing the SCEVExpander to continue to
use it.

This fixes PR4038.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 15:16:49 +00:00
Sanjiv Gupta
b1f321b553 Banksel immediate constant will always immediately follow the GA/ES, so scan an insn from beginnin to find out the banksel operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69883 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 10:34:58 +00:00
Nick Lewycky
5cd28fad15 Simplify trunc(extend(x)) in SCEVs, just for completeness. Also fix some odd 
whitespace in the same file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69870 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 05:15:08 +00:00
Owen Anderson
03dac74d40 Testcase for PR3909. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69868 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 04:33:42 +00:00
Owen Anderson
887fde88ca Testcase for PR2639. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69867 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 04:30:52 +00:00
Owen Anderson
d92395fe92 Testcase for PR2537. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 04:26:42 +00:00
Owen Anderson
f2a5c0a04c Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69865 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 04:24:19 +00:00
Owen Anderson
176aeb1afa Testcase for PR3085. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69863 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 04:21:14 +00:00
Owen Anderson
d49468aa50 Add testcase from PR3086. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69862 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 04:14:03 +00:00
Dan Gohman
146a310e66 Add support for printing MO_ExternalSymbol operands in 
memory operand tuples. This doesn't ever come up in normal
code however.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69848 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 00:57:37 +00:00
Dan Gohman
ab192b71a6 Add more ulimit limits, to catch more kinds of runaway behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 00:28:31 +00:00
Owen Anderson
3f7c72ab54 Use the testcase from PR2791. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69846 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-23 00:15:26 +00:00
Evan Cheng
9c15949967 Make sure both operands have binary instructions have the same type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69844 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 23:39:28 +00:00
Evan Cheng
a8d4d7fe47 A few more places where the check of use_empty is needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69842 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 23:09:16 +00:00
Evan Cheng
1abe64663e Avoid deferencing use_begin() if value does not have a use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 22:45:37 +00:00
David Greene
5654613a01 Allow defm to inherit from multiple multiclasses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69832 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 22:17:51 +00:00
David Greene
c7cafcd815 Implement !nameconcat to concatenate strings and look up the resulting 
name in the symbol table, returning an object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69822 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 20:18:10 +00:00
Duncan Sands
d7b2f7ffce Testcase for PR2958. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69818 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 18:55:17 +00:00
Devang Patel
e2a17468d1 Fix cut-n-pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69816 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 18:51:05 +00:00
David Greene
de444af6bb Implement multiclass inheritance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69810 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 16:42:54 +00:00
Dan Gohman
20900cae35 Simplify trivial cast-of-cast SCEVs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69809 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 16:20:48 +00:00
Dan Gohman
aabb04f527 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69808 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 16:11:16 +00:00
Dan Gohman
6cdc727f2d Use BasicBlock::iterator instead of Instruction* for insert points, 
to better handle inserting instructions at the end of a block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69807 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 16:05:50 +00:00
Dan Gohman
b928c57397 Make SCEVExpanders private methods private, instead of protected. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69806 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 16:00:36 +00:00
Dan Gohman
d50330cd02 Use CloneModule's ValueMap in more places, instead of looking 
up functions by name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69805 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 15:57:18 +00:00
Dan Gohman
e370c80d31 ISD::ADD_PARTS is gone; use ISD::SMUL_LOHI as an example instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69804 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 15:55:31 +00:00
Sanjiv Gupta
dd92dba644 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69801 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 12:02:36 +00:00
Duncan Sands
4a0adb7686 These tests are x86 specific. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69798 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 10:39:51 +00:00
Owen Anderson
7db2789251 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69792 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 08:50:12 +00:00
Owen Anderson
ddcb3415cb Add caching of predecessor counts as well as predecessors themselves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 08:46:33 +00:00
Owen Anderson
68fbd735f1 Use PredIteratorCache in LCSSA, which gives a 37% overall speedup on the testcase from PR3549. More improvements to come. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69788 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 08:09:13 +00:00
Owen Anderson
747972914a Fix for PR3946, in which SmallVector could behave strangely in corner cases. 
Patch by Peter Johnson.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69785 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-22 07:16:54 +00:00
Chris Lattner
41b1a489f5 use predicate instead of hand-rolled loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69752 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 23:37:18 +00:00
Dan Gohman
f8a8be86e3 De-pImpl-ify ScalarEvolution. The pImpl pattern doesn't provide much 
practical benefit in the case of ScalarEvolution, and it's otherwise
a nuisance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69749 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 23:15:49 +00:00
Evan Cheng
5b69ebac85 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69743 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 22:46:52 +00:00
Dan Gohman
578ccf81e5 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69704 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 20:18:36 +00:00
Mikhail Glushenkov
4558f481b8 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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 19:46:10 +00:00
Devang Patel
1d85a1f00b Test case for revision 69683. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69684 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 17:21:01 +00:00
Chris Lattner
33e24adc3b fix a crash on a pointless but valid zero-length memset, rdar://6808691 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 16:52:12 +00:00
Anton Korobeynikov
83985d706b Silence warnings. 
Patch by Jay Foad!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69679 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 16:04:56 +00:00
Anton Korobeynikov
0957fcbe0c Drop obsolete reference to __eprintf. 
Patch by Jay Foad!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69678 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 16:04:41 +00:00
Anton Korobeynikov
8d8fbf204d '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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69677 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 16:04:14 +00:00
Duncan Sands
005e7984cc Get rid of what looks like a copy-and-pasted typo. 
Spotted by gcc-4.5.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69673 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 09:44:39 +00:00
Rafael Espindola
7daa13c2a4 TLS_addr64 and TLS_addr32 define RDI and EAX. They don't use them. 
This fixes PR4002.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 08:22:09 +00:00
Sanjiv Gupta
e16178b75f Handle direct aggregate type arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69665 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 05:54:51 +00:00
Dan Gohman
4ee29af754 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69655 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 02:26:00 +00:00
Dan Gohman
59d0704c8f This FIXME is fixed, now that SCEV understands pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69651 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 01:41:18 +00:00
Dan Gohman
84923602fd Factor out a common base class from SCEVTruncateExpr, SCEVZeroExtendExpr, 
and SCEVSignExtendExpr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69649 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-21 01:25:57 +00:00