Gabor Greif
02680f946b
minor enhancement to llvm::isFreeCall API: return CallInst; no functional change
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106686 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-23 21:51:12 +00:00
Gabor Greif
e3401c4fae
use ArgOperand getters
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106685 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-23 21:41:47 +00:00
Dan Gohman
605c14fb11
Replace ScalarEvolution's private copy of getLoopPredecessor
...
with LoopInfo's public copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106603 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22 23:43:28 +00:00
Dan Gohman
fe60104ac9
Use pre-increment instead of post-increment when the result is not used.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106542 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22 15:08:57 +00:00
Dan Gohman
9d4588ffad
Allow "exhaustive" trip count evaluation on phi nodes with all
...
constant operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106537 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22 13:15:46 +00:00
Devang Patel
a762b09310
Use single interface, using twine, to get named metadata.
...
getNamedMetadata().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106518 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22 01:19:38 +00:00
Devang Patel
d1bbc6b70e
Do not rely on Twine temporaries to survive.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106515 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22 01:01:58 +00:00
Dan Gohman
403a8cdda5
Use A.append(...) instead of A.insert(A.end(), ...) when A is a
...
SmallVector, and other SmallVector simplifications.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106452 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21 19:47:52 +00:00
Devang Patel
10de3bb4fd
Do not directly use function names to construct new name for named metadata.
...
"llvm.dbg.lv.~A" is not a valid name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106438 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21 18:36:58 +00:00
Dan Gohman
6f5fed253f
Restore a call to rememberInstruction which was accidentally dropped
...
in refactoring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-19 22:50:35 +00:00
Dan Gohman
b92654d9c9
Fix ScalarEvolution's "exhaustive" trip count evaluation code to avoid
...
assuming that loops are in canonical form, as ScalarEvolution doesn't
depend on LoopSimplify itself. Also, with indirectbr not all loops can
be simplified. This fixes PR7416.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106389 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-19 14:17:24 +00:00
Dan Gohman
485c43fc47
Factor out duplicated code for reusing and inserting casts into
...
a helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106388 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-19 13:25:23 +00:00
Dan Gohman
3bf63768e5
Revert r106304 (105548 and friends), which are the SCEVComplexityCompare
...
optimizations. There is still some nondeterminism remaining.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106306 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 19:54:20 +00:00
Dan Gohman
78db186d2d
Reapply 105540, 105542, and 105548, and revert r105732.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106304 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 19:26:04 +00:00
Dan Gohman
e0f0c7b024
Reapply 105546.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106302 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 19:12:32 +00:00
Dan Gohman
c72f0c8c57
Reapply 105544.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106301 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 19:09:27 +00:00
Dan Gohman
07587a4500
Remove getIntegerSCEV; it's redundant with getConstant, and getConstant
...
is more consistent with the ConstantInt API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106281 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 14:33:50 +00:00
Dan Gohman
e368b460a2
Eliminate unnecessary uses of getZExtValue().
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 14:22:04 +00:00
Dan Gohman
4f46e14b8a
Fix a typo in a comment.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106260 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18 00:53:08 +00:00
Dan Gohman
27ed6a41ce
Simplify this code.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106254 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-17 23:34:09 +00:00
Jim Grosbach
08f55d02da
A few more places where SCEVExpander bits need to skip over debug intrinsics
...
when iterating through instructions. Yet more work for rdar://7797940
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16 21:13:38 +00:00
Devang Patel
ffd33cd364
Check function pointer first, before comparing function names.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106088 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16 06:42:02 +00:00
Devang Patel
2f7d5291de
Use separate named MDNode to hold each function's local variable info.
...
This speeds up local variable handling in DwarfDebug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106075 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16 00:53:55 +00:00
Stuart Hastings
215aa15a0d
Support for nested functions/classes in debug output. (Again.) Radar 7424645.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105828 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-11 20:08:44 +00:00
Stuart Hastings
3893ce1b1b
Delete duplicate function.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105827 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-11 20:05:01 +00:00
Evan Cheng
1d451dff63
Revert 105540, 105542, 105544, 105546, and 105548 to unbreak bootstrapping.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105740 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-09 18:59:43 +00:00
Kenneth Uildriks
42c7d23c6d
Pulled CodeMetrics out of InlineCost.h and made it a bit more general, so it can be reused from PartialSpecializationCost
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105725 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-09 15:11:37 +00:00
Dan Gohman
fd447eff22
The FoldingSet hash data includes pointer values, so it isn't
...
determinstic. Instead, give SCEV objects an arbitrary sequence
number.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105548 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07 19:36:14 +00:00
Dan Gohman
5e5dd68c7f
Optimize this code somewhat by taking advantage of the fact
...
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.
...
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.
...
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
...
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
...
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.
...
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
...
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.
...
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.
...
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
...
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.
...
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.
...
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.
...
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.
...
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.
...
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
...
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
...
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
...
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.
...
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.
...
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.
...
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.
...
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