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6786 Commits

Author SHA1 Message Date
Gabor Greif 7943017490 use ArgOperand API 
llvm-svn: 106737
 2010-06-24 12:35:13 +00:00
Gabor Greif 75f6943c95 use ArgOperand API, also tighten the type of visitFree to make this work out smoothly 
llvm-svn: 106736
 2010-06-24 12:21:15 +00:00
Gabor Greif 91f9589057 use ArgOperand API; introduce downcasted pointers into scope to facilitate this 
llvm-svn: 106734
 2010-06-24 12:03:56 +00:00
Gabor Greif e2f482ca0b use ArgOperand API 
llvm-svn: 106731
 2010-06-24 10:42:46 +00:00
Gabor Greif 2d958d4db5 use ArgOperand API 
llvm-svn: 106730
 2010-06-24 10:17:17 +00:00
Gabor Greif 5bcaa55761 use callsite to obtain all arguments 
llvm-svn: 106729
 2010-06-24 10:04:07 +00:00
Gabor Greif 42f620cc55 use callsite to obtain all arguments 
llvm-svn: 106728
 2010-06-24 09:56:43 +00:00
Gabor Greif 0f60709f0e use getNumArgOperands 
llvm-svn: 106709
 2010-06-24 00:48:48 +00:00
Gabor Greif 4a39b84a9d use ArgOperand API 
llvm-svn: 106707
 2010-06-24 00:44:01 +00:00
Devang Patel 0dc3c2d37e Use ValueMap instead of DenseMap. 
The ValueMapper used by various cloning utility maps MDNodes also.

llvm-svn: 106706
 2010-06-24 00:33:28 +00:00
Devang Patel d8dedee96d Use available typedef for " DenseMap<const Value*, Value*>". 
llvm-svn: 106699
 2010-06-24 00:00:42 +00:00
Devang Patel b8f11de105 Cosmetic change. 
Do not use "ValueMap" as a name for a local variable or an argument.

llvm-svn: 106698
 2010-06-23 23:55:51 +00:00
Devang Patel 9ad629367d Revert 106592 for now. It causes clang-selfhost build failure. 
llvm-svn: 106598
 2010-06-22 23:29:55 +00:00
Dan Gohman 1081f1a0f5 Fix OptimizeMax to handle an odd case where one of the max operands 
is another max which folds. This fixes PR7454.

llvm-svn: 106594
 2010-06-22 23:07:13 +00:00
Devang Patel 87f75f75be If a metadata operand is seeded in value map and the metadata should also be seeded in value map. This is not limited to function local metadata. 
Failure to seed metdata in such cases causes troubles when in a cloned module, metadata from a new module refers to values in old module. Usually this results in mysterious bugpoint crashes. For example,

 Checking to see if we can delete global inits: Unknown constant!
 UNREACHABLE executed at /d/g/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:904!

llvm-svn: 106592
 2010-06-22 22:53:21 +00:00
Devang Patel e43c6487da While cloning a module, clone metadata attached with instructions. 
llvm-svn: 106591
 2010-06-22 22:50:42 +00:00
Devang Patel e3fbbd19ed Clone named metadata while cloning a module. 
Reapply Bob's patch.

llvm-svn: 106560
 2010-06-22 18:52:38 +00:00
Dan Gohman d2d1ae105d Use pre-increment instead of post-increment when the result is not used. 
llvm-svn: 106542
 2010-06-22 15:08:57 +00:00
Devang Patel f040dec68a Revert 106528. It is causing self host failures. 
llvm-svn: 106529
 2010-06-22 06:14:09 +00:00
Devang Patel b195eb4acf Do not rely on DenseMap slot which can be easily invalidated when DenseMap grows. 
llvm-svn: 106528
 2010-06-22 05:16:56 +00:00
Bob Wilson 6c1fc79cab Revert my change to clone named metadata. Buildbots are complaining. 
--- Reverse-merging r106508 into '.':
U    lib/Transforms/Utils/CloneModule.cpp

llvm-svn: 106521
 2010-06-22 02:08:51 +00:00
Bob Wilson 5f9575c1cd Include named metadata when cloning a module. 
llvm-svn: 106508
 2010-06-22 00:11:03 +00:00
Dan Gohman dd41bba517 Use A.append(...) instead of A.insert(A.end(), ...) when A is a 
SmallVector, and other SmallVector simplifications.

llvm-svn: 106452
 2010-06-21 19:47:52 +00:00
Dan Gohman 32655906e4 Add a TODO comment. 
llvm-svn: 106397
 2010-06-19 21:30:18 +00:00
Dan Gohman 51d00092b6 Include the use kind along with the expression in the key of the 
use sharing map. The reconcileNewOffset logic already forces a
separate use if the kinds differ, so incorporating the kind in the
key means we can track more sharing opportunities.

More sharing means fewer total uses to track, which means smaller
problem sizes, which means the conservative throttles don't kick
in as often.

llvm-svn: 106396
 2010-06-19 21:29:59 +00:00
Dan Gohman 297fb8b9fc Don't include things in anonymous namespaces that don't need it. 
llvm-svn: 106395
 2010-06-19 21:21:39 +00:00
Dan Gohman f3aea7aecf Disable indvars on loops when LoopSimplify form is not available. 
This fixes PR7333.

llvm-svn: 106267
 2010-06-18 01:35:11 +00:00
Jim Grosbach e94f1ded24 remove trailing whitespace 
llvm-svn: 106164
 2010-06-16 22:41:09 +00:00
Rafael Espindola a20e2dfe86 Make sure that simplify libcalls does not replace a call with one calling 
convention with a new call with a different calling convention.

llvm-svn: 106134
 2010-06-16 19:34:01 +00:00
Benjamin Kramer a13bd20396 simplify-libcalls: fold strncmp(x, y, 1) -> memcmp(x, y, 1) 
The memcmp will be optimized further and even the pathological case
'strstr(x, "x") == x' generates optimal code now.

llvm-svn: 106097
 2010-06-16 10:30:29 +00:00
Benjamin Kramer 1118860e3a simplify-libcalls: fold strstr(a, b) == a -> strncmp(a, b, strlen(b)) == 0 
llvm-svn: 106047
 2010-06-15 21:34:25 +00:00
Chris Lattner 329ea064ed jump threading can't split a critical edge from an indirectbr. This 
fixes PR7356.

llvm-svn: 105950
 2010-06-14 19:45:43 +00:00
Benjamin Kramer b82de426de SimplifyCFG: don't turn volatile stores to null/undef into unreachable. Fixes PR7369. 
llvm-svn: 105914
 2010-06-13 14:35:54 +00:00
Kenneth Uildriks 9b21208bfb Pulled CodeMetrics out of InlineCost.h and made it a bit more general, so it can be reused from PartialSpecializationCost 
llvm-svn: 105725
 2010-06-09 15:11:37 +00:00
Dan Gohman fb8ed43349 Make bugpoint dead-argument-hacking actually work, and actually test it. 
llvm-svn: 105551
 2010-06-07 20:20:33 +00:00
Kenneth Uildriks 1850444000 Partial specialization was not checking the callsite to make sure it was using the same constants as the specialization, leading to calls to the wrong specialization. Patch by Takumi Nakamura\! 
llvm-svn: 105528
 2010-06-05 14:50:21 +00:00
Dan Gohman 67b4403101 Don't track users of undef values; they aren't interesting for 
register pressure.

llvm-svn: 105501
 2010-06-04 23:16:05 +00:00
Devang Patel 36da24b546 Copy location info for current function argument from dbg.declare if respective store instruction does not have any location info. 
llvm-svn: 105490
 2010-06-04 22:27:30 +00:00
Jim Grosbach 5ba76b94f8 Remove unused code 
llvm-svn: 105293
 2010-06-01 21:56:30 +00:00
Jim Grosbach 0e20dc5cd6 fix think-o 
llvm-svn: 105291
 2010-06-01 21:35:50 +00:00
Jim Grosbach b69c68742a Simplify things a bit more. Fix prototype to use SmallVectorImpl and 
change a few SmallVectors to vanilla C arrays.

llvm-svn: 105289
 2010-06-01 21:06:46 +00:00
Jim Grosbach a37af16221 mirror of r105280 changes for LowerInvoke, which uses the same basic logic here 
llvm-svn: 105281
 2010-06-01 18:04:56 +00:00
Jim Grosbach 7352167560 Use SmallVector instead of std::vector. 
llvm-svn: 105279
 2010-06-01 17:56:41 +00:00
Duncan Sands 4c904fa797 Fix PR7272: when inlining through a callsite with byval arguments, 
the newly created allocas may be used by inlined calls, so these
need to have their tail call flags cleared.  Fixes PR7272.

llvm-svn: 105255
 2010-05-31 21:00:26 +00:00
Benjamin Kramer 5ac57e3440 Avoid swap when a copy suffices. 
llvm-svn: 105220
 2010-05-31 12:50:41 +00:00
Nick Lewycky aee2632be3 The memcpy intrinsic only takes i8* for %src and %dst, so cast them to that 
first. Fixes PR7265.

llvm-svn: 105206
 2010-05-31 06:16:35 +00:00
Dan Gohman 826bdf8c10 Move FindAvailableLoadedValue isSafeToLoadUnconditionally out of 
lib/Transforms/Utils and into lib/Analysis so that Analysis passes
can use them.

llvm-svn: 104949
 2010-05-28 16:19:17 +00:00
Dan Gohman df5d7dcef1 Teach instcombine to promote alloca array sizes. 
llvm-svn: 104945
 2010-05-28 15:09:00 +00:00
Dan Gohman 05a6555acb Fix instcombine's handling of alloca to accept non-i32 types. 
llvm-svn: 104935
 2010-05-28 04:33:04 +00:00
Devang Patel 3e0fbafab2 Fix typo. 
llvm-svn: 104914
 2010-05-28 01:29:50 +00:00