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1420 Commits

Author SHA1 Message Date
Dan Gohman efd7f9c360 Reorder the contents of various getAnalysisUsage functions, eliminating 
a redundant loopsimplify run from the default -O2 sequence.

llvm-svn: 108539
 2010-07-16 17:58:45 +00:00
Gabor Greif 6d673953e3 eliminate CallInst::ArgOffset 
llvm-svn: 108522
 2010-07-16 09:38:02 +00:00
Owen Anderson 13700ebb02 Remove unneeded check, and correct style. 
llvm-svn: 108427
 2010-07-15 16:38:22 +00:00
Chris Lattner e41ab07c61 make various clients of ReplaceAndSimplifyAllUses tolerate 
it *changing* the things it replaces, not just causing them
to drop to null.  There is no functionality change yet, but 
this is required for a subsequent patch.

llvm-svn: 108414
 2010-07-15 06:06:04 +00:00
Owen Anderson 2cfe91379b Extend SimplifyCFG's common-destination folding heuristic to allow a single 
"bonus" instruction to be speculatively executed.  Add a heuristic to
ensure we're not tripping up out-of-order execution by checking that this bonus
instruction only uses values that were already guaranteed to be available.

This allows us to eliminate the short circuit in (x&1)&&(x&2).

llvm-svn: 108351
 2010-07-14 19:52:16 +00:00
Gabor Greif 8629f12bb8 cache dereferenced iterators 
llvm-svn: 108133
 2010-07-12 10:59:23 +00:00
Gabor Greif d993402df3 cache dereferenced iterators 
llvm-svn: 108132
 2010-07-12 10:49:54 +00:00
Gabor Greif fd8e7d4a0f cache result of operator* 
llvm-svn: 107984
 2010-07-09 16:31:08 +00:00
Gabor Greif e7650c7c29 cache result of operator* 
llvm-svn: 107983
 2010-07-09 16:26:41 +00:00
Gabor Greif 04af1e4f65 cache result of operator* 
llvm-svn: 107981
 2010-07-09 16:17:52 +00:00
Gabor Greif 6d8870fc35 cache result of operator* 
llvm-svn: 107975
 2010-07-09 15:25:42 +00:00
Gabor Greif 329c4d8ed9 cache result of operator* 
llvm-svn: 107974
 2010-07-09 15:25:09 +00:00
Gabor Greif 4247949ce9 cache result of operator* 
llvm-svn: 107968
 2010-07-09 14:29:14 +00:00
Gabor Greif a02f232c1b cache result of operator* 
llvm-svn: 107966
 2010-07-09 14:18:23 +00:00
Gabor Greif f0821f39ee cache operator*'s result (in multiple functions) 
llvm-svn: 107965
 2010-07-09 14:02:13 +00:00
Devang Patel cefe3831b7 MDString is already checked earlier. 
llvm-svn: 107516
 2010-07-02 21:13:23 +00:00
Jim Grosbach e74c78d539 lowerinvoke needs to handle aggregate function args like sjlj eh does. 
llvm-svn: 107335
 2010-06-30 22:22:59 +00:00
Gabor Greif e9acc46f65 use getArgOperand instead of getOperand 
llvm-svn: 107269
 2010-06-30 09:14:26 +00:00
Gabor Greif ec60adf161 use CallInst::ArgOffset 
llvm-svn: 107003
 2010-06-28 12:30:07 +00:00
Gabor Greif 2de43a7c5c use ArgOperand API and CallInst::ArgOffset 
llvm-svn: 107002
 2010-06-28 12:29:20 +00:00
Dale Johannesen ce97d55ad9 The hasMemory argument is irrelevant to how the argument 
for an "i" constraint should get lowered; PR 6309.  While
this argument was passed around a lot, this is the only
place it was used, so it goes away from a lot of other
places.

llvm-svn: 106893
 2010-06-25 21:55:36 +00:00
Gabor Greif e3ba486c9f use ArgOperand API (one more hunk I could split) 
llvm-svn: 106825
 2010-06-25 07:58:41 +00:00
Gabor Greif 5f3e656a1b use ArgOperand API (some hunks I could split) 
llvm-svn: 106824
 2010-06-25 07:57:14 +00:00
Gabor Greif 42f620cc55 use callsite to obtain all arguments 
llvm-svn: 106728
 2010-06-24 09:56:43 +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
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
Jim Grosbach e94f1ded24 remove trailing whitespace 
llvm-svn: 106164
 2010-06-16 22:41:09 +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
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
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
Devang Patel 3e0fbafab2 Fix typo. 
llvm-svn: 104914
 2010-05-28 01:29:50 +00:00
Devang Patel e2099e8088 Fix typo. 
llvm-svn: 104913
 2010-05-28 01:17:51 +00:00