Dan Gohman
5e5dd68c7f
Optimize this code somewhat by taking advantage of the fact
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that the operands are sorted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105546 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07 19:20:57 +00:00
Dan Gohman
1f23d63ddf
Micro-optimize this, to speed up this hotspot in debug builds a little.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105544 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07 19:16:37 +00:00
Dan Gohman
ef07158c11
Micro-optimize this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105542 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07 19:12:54 +00:00
Dan Gohman
4d52c6d622
Optimize ScalarEvolution's SCEVComplexityCompare predicate: don't go
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scrounging through SCEVUnknown contents and SCEVNAryExpr operands;
instead just do a simple deterministic comparison of the precomputed
hash data.
Also, since this is more precise, it eliminates the need for the slow
N^2 duplicate detection code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105540 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07 19:06:13 +00:00
Bill Wendling
22a5b29820
Create new accessors to get arguments for call/invoke instructions. It breaks
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encapsulation to force the users of these classes to know about the internal
data structure of the Operands structure. It also can lead to errors, like in
the MSIL writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105539 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07 19:05:06 +00:00
Stuart Hastings
6d56b9fabc
Revert 105492 & 105493 due to a testcase regression. Radar 7424645.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105511 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-05 00:39:29 +00:00
Dan Gohman
25fcaff409
LSR needs to remember inserted instructions even in postinc mode, because
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there could be multiple subexpressions within a single expansion which
require insert point adjustment. This fixes PR7306.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105510 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-05 00:33:07 +00:00
Stuart Hastings
0f1b813567
Support for nested functions/classes in debug output. Radar 7424645.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105492 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-04 22:36:03 +00:00
Dan Gohman
c87b40b1cd
Fix normalization and de-normalization of non-affine SCEVs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105480 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-04 19:16:34 +00:00
Dan Gohman
10e7726e6c
Fix the noalias checking so that it doesn't worry about
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an argument aliasing itself. Thanks Duncan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105288 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-01 20:51:40 +00:00
Dan Gohman
dd05466ef4
Fix AliasDebugger to be aware of operand values too.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105012 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 22:31:51 +00:00
Dan Gohman
aec2a0dbce
Add lint checks for function attributes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 21:43:57 +00:00
Dan Gohman
13ec30b6a1
Fix lint's memcpy and memmove checks, and its basic block traversal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104970 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 17:44:00 +00:00
Dan Gohman
17d95965cb
Detect self-referential values.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104957 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:45:33 +00:00
Stuart Hastings
8ffc42f8ea
Revert 104841, 104842, 104876 due to buildbot failures. Radar 7424645.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104953 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:41:07 +00:00
Dan Gohman
078f8595b5
Eli pointed out that va_arg instruction result values don't
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reference the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104951 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:34:49 +00:00
Dan Gohman
ff26d4e9ce
Teach lint how to look through simple store+load pairs and other
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effective no-op constructs, to make it more effective on
unoptimized IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:21:24 +00:00
Dan Gohman
dd9344f3fa
Move FindAvailableLoadedValue isSafeToLoadUnconditionally out of
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lib/Transforms/Utils and into lib/Analysis so that Analysis passes
can use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:19:17 +00:00
Dan Gohman
700012231d
ConstantFoldConstantExpression can theoretically return null.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:12:08 +00:00
Dan Gohman
292fc87fe2
Add a lint check for returning the address of stack memory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104936 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 04:33:42 +00:00
Stuart Hastings
aa66d2f48a
Support for nested functions/classes in debug output. Radar 7424645.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104841 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 16:16:54 +00:00
Jakob Stoklund Olesen
8b3ca84a8d
Avoid counting InlineAsm as a call - it prevents loop unrolling.
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PR7026
Patch by Pekka Jääskeläinen!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104780 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:40:28 +00:00
Dan Gohman
a0f7ff334f
Fix Lint printing warnings multiple times. Remove the ErrorStr
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option from lintModule, which was an artifact from being
based on Verifier code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104765 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:28:53 +00:00
Dan Gohman
882ddb492d
Reinstate checking of stackrestore, with checking for both Read
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and Write, and add a comment explaining this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104756 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:21:25 +00:00
Dan Gohman
749be11f4d
Stackrestore is not a load.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104752 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:00:10 +00:00
Dan Gohman
df9c8bc569
Remove a TODO which isn't practical.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104748 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:50:41 +00:00
Dan Gohman
113b3e2c6e
Implement checking of the tail keyword.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104744 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:46:36 +00:00
Devang Patel
6ed0ce3240
Rename variable. add comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-20 20:35:24 +00:00
Devang Patel
98e1cac52c
Add support to preserve type info for the variables that are removed by the optimizer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103798 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-14 21:01:35 +00:00
Nick Lewycky
9a1581b910
Clear CachedFunctionInfo upon Pass::releaseMemory. Because ValueMap will abort
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on RAUW of functions, this is a correctness issue instead of a mere memory
usage problem.
No testcase until the new MergeFunctions can land.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103653 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-12 21:48:15 +00:00
Dan Gohman
faa19c32a2
Fix whitespace in debug output to be consistent.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-10 20:07:44 +00:00
Devang Patel
a49d877290
Remove DIGlobal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103325 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 23:19:07 +00:00
Devang Patel
47e2265a30
Add DINameSpace::Verify().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103318 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 23:04:32 +00:00
Devang Patel
02f0dbd97a
Verify variable directly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 22:04:20 +00:00
Devang Patel
62077af40e
Verify compile unit also.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103300 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 21:42:24 +00:00
Devang Patel
e9f8f5e600
Wrap const MDNode * inside DIDescriptor.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103295 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 20:54:48 +00:00
Devang Patel
ed66bf5125
Use overloaded operators instead of DIDescriptor::getNode()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103276 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 18:19:32 +00:00
Devang Patel
2db49d797b
Avoid DIDescriptor::getNode(). Use overloaded operators instead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 18:11:54 +00:00
Dan Gohman
9a7063e7ee
Add some words to this output to indicate what the numbers mean.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103264 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 16:39:27 +00:00
Dan Gohman
ef0b14593b
Add a simple module-level debug info printer. It just sets up a
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DebugInfoFinder and iterates over all the contents calling print.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103262 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 16:22:32 +00:00
Dan Gohman
c014d0963e
Fix the new print functions to call print instead of dump.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103261 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 16:17:22 +00:00
Dan Gohman
504043662c
Convert the DebugInfo classes dump() methods into print(raw_ostream &)
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methods, and add dump functions implemented in terms of the print.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103254 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07 15:30:29 +00:00
Dan Gohman
acd8cab843
Use the SCEVAddRecExpr::getPostIncExpr utility function instead
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of doing the same thing manually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102997 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04 01:12:27 +00:00
Dan Gohman
c0ed0091dc
Fix a copy+pasto.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04 01:11:15 +00:00
Devang Patel
01c5ff6437
Do not ignore debug loc attached with llvm.dbg.declare while collecting debug info used by a module.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04 01:05:02 +00:00
Dan Gohman
deff621abd
Use getConstant instead of getIntegerSCEV. The two are basically the
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same, now that getConstant has overloads consistent with ConstantInt::get.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102965 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03 22:09:21 +00:00
Dan Gohman
f16c6803d7
Silence warnings about -1 being converted to an unsigned value.
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Also, pass true for isSigned even when creating constants for unsigned
comparisons, because the point is to create an all-ones constant,
rather than UINT64_MAX, even for integers wider than 64 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102946 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03 20:23:47 +00:00
Dan Gohman
34c3e36e63
Use isTrueWhenEqual and isFalseWhenEqual instead of assuming that
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SimplifyICmpOperands will simplify such cases to EQ or NE. This makes
the correcntess of the code independent on SimplifyICmpOperands doing
certain simplifications.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102927 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03 18:00:24 +00:00
Dan Gohman
a189bae771
In ScalarEvolution::print, don't bother printing out the SCEVs for
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comparison instructions, since they aren't interesting, despite having
integer result types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102925 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03 17:03:23 +00:00
Dan Gohman
3abb69c07f
In SimplifyICmpOperands, avoid needlessly swapping the operands in the
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case where both are addrecs in unrelated loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102924 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03 17:00:11 +00:00