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2013-04-21[objc-arc] Fixed typo in debug message.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179966 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-21[objc-arc] Fixed comment typo.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179965 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-21[objc-arc] Refactored OptimizeReturns so that it uses continue instead of a ↵Michael Gottesman
large multi-level nested if statement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179964 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20[objc-arc] Added debug statement saying when we are resetting a sequence's ↵Michael Gottesman
progress. This will make it clearer when we are actually resetting a sequence's progress vs just changing state. This is an important distinction because the former case clears any pointers that we are tracking while the later does not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179963 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Compile varargs functions for SPARCv9.Jakob Stoklund Olesen
With a little help from the frontend, it looks like the standard va_* intrinsics can do the job. Also clean up an old bitcast hack in LowerVAARG that dealt with unaligned double loads. Load SDNodes can specify an alignment now. Still missing: Calling varargs functions with float arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179961 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Fix PR15800. Do not try to vectorize vectors and structs.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179960 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20SimplifyCFG: If convert single conditional storesArnold Schwaighofer
This transformation will transform a conditional store with a preceeding uncondtional store to the same location: a[i] = may-alias with a[i] load if (cond) a[i] = Y into an unconditional store. a[i] = X may-alias with a[i] load tmp = cond ? Y : X; a[i] = tmp We assume that on average the cost of a mispredicted branch is going to be higher than the cost of a second store to the same location, and that the secondary benefits of creating a bigger basic block for other optimizations to work on outway the potential case were the branch would be correctly predicted and the cost of the executing the second store would be noticably reflected in performance. hmmer's execution time improves by 30% on an imac12,2 on ref data sets. With this change we are on par with gcc's performance (gcc also performs this transformation). There was a 1.2 % performance improvement on a ARM swift chip. Other tests in the test-suite+external seem to be mostly uninfluenced in my experiments: This optimization was triggered on 41 tests such that the executable was different before/after the patch. Only 1 out of the 40 tests (dealII) was reproducable below 100% (by about .4%). Given that hmmer benefits so much I believe this to be a fair trade off. I am going to watch performance numbers across the builtbots and will revert this if anything unexpected comes up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179957 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20ARM: don't add FrameIndex offset for LDMIA (has no immediate)Tim Northover
Previously, when spilling 64-bit paired registers, an LDMIA with both a FrameIndex and an offset was produced. This kind of instruction shouldn't exist, and the extra operand was being confused with the predicate, causing aborts later on. This removes the invalid 0-offset from the instruction being produced. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179956 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20recommit testsNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179955 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Minor renaming of tests (for consistency with an in-development patch)Stephen Lin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179954 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20AArch64: remove useless commentTim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179952 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Move 'kw_align' case to proper section, reorganize function attribute ↵Stephen Lin
keyword case statements to be consistent with r179119 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179948 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Remove unused ShouldFoldAtomicFences flag.Tim Northover
I think it's almost impossible to fold atomic fences profitably under LLVM/C++11 semantics. As a result, this is now unused and just cluttering up the target interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179940 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Remove unused MEMBARRIER DAG node; it's been replaced by ATOMIC_FENCE.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179939 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Remove dead code.Rafael Espindola
This is part of a future patch to use yamlio that incorrectly ended up in a cleanup patch. Thanks to Benjamin Kramer for reporting it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179938 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Don't litter .s files in test directory.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20VecUtils: Clean up uses of dyn_cast.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179936 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20SLPVectorizer: Strength reduce SmallVectors to ArrayRefs.Benjamin Kramer
Avoids a couple of copies and allows more flexibility in the clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179935 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20SLPVectorizer: Reduce the compile time by eliminating the search for some of ↵Nadav Rotem
the more expensive patterns. After this change will only check basic arithmetic trees that start at cmpinstr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179933 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20refactor tryToVectorizePair to a new method that supports vectorization of ↵Nadav Rotem
lists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179932 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Fix an unused variable warning.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179931 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20SLPVectorizer: Improve the cost model for loop invariant broadcast values.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179930 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Report the number of stores that were found in the debug message.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179929 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Fix the header comment.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179928 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Use 64bit arithmetic for calculating distance between pointers.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179927 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Move PPC getSwappedPredicate for reuseHal Finkel
The getSwappedPredicate function can be used in other places (such as in improvements to the PPCCTRLoops pass). Instead of trapping it as a static function in PPCInstrInfo, move it into PPCPredicates with other predicate-related things. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179926 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Add CodeGen support for functions that always return arguments via a new ↵Stephen Lin
parameter attribute 'returned', which is taken advantage of in target-independent tail call opportunity detection and in ARM call lowering (when placed on an integral first parameter). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179925 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Allow tail call opportunity detection through nested and/or multiple ↵Stephen Lin
iterations of extractelement/insertelement indirection git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179924 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20These can be void.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179923 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Rename obj2yaml local namespace to avoid conflicts with llvm::yaml.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179922 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Remove local namespace yaml to avoid confusion with llvm::yaml.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179921 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Small obj2yaml cleanups.Rafael Espindola
* using namespace llvm. * whitespace. * early return. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179920 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Remove COFFYAML::Header.Rafael Espindola
Instead, use MappingNormalization to directly parse COFF::header. Also change the naming convention of the helper classes to be a bit shorter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179917 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Test commitStephen Lin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179913 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Simplify the code in FastISel::tryToFoldLoad, add an assertion and fix a ↵Eli Bendersky
comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179908 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19[mips] Instruction selection patterns for DSP-ASE vector shifts.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19MergeFunc: Make pointer and integer types generate the same hash.Benjamin Kramer
The logic that actually compares the types considers pointers and integers the same if they are of the same size. This created a strange mismatch between hash and reality and made the test case for this fail on some platforms (yay, test cases). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179905 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Make variable match any name.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179903 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Move TryToFoldFastISelLoad to FastISel, where it belongs. In general, I'mEli Bendersky
trying to move as much FastISel logic as possible out of the main path in SelectionDAGISel - intermixing them just adds confusion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19ArrayRefize getMachineNode(). No functionality change.Michael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179901 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Fix PPC optimizeCompareInstr swapped-sub argument handlingHal Finkel
When matching a compare with a subtract where the arguments of the compare are swapped w.r.t. the arguments of the subtract, we need to negate the predicates (or CR bit indices) of the users. This, however, is not the same as inverting the predicate (negating LT -> GT, but inverting LT -> GE, for example). The ARM backend seems to do this correctly, but when I adapted the code for the PPC backend, I introduced an error in this logic. Comparison optimization is now enabled again by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179899 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Add an MRI::verifyUseLists() function.Jakob Stoklund Olesen
This checks the sanity of the register use lists in the MI intermediate representation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179895 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Use dbgs() consistently for -debug printoutsEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179894 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Remove COFFYAML::Relocation.Rafael Espindola
Use MappingNormalization to read a COFF::relocation directly. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179891 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Try explicitly setting the target triple to see if this gets it to pass on ARM.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179890 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Do not mangle in MS-way the globals with magic \001 in the name.Anton Korobeynikov
Based on the patch by David Nadlinger! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Make test slightly more readable.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179888 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Add a testcase to make sure we generate the proper compact unwind section ↵Bill Wendling
for a function that cannot produce a compact unwind encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179887 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19LoopVectorizer: Use matcher from PatternMatch.h for the min/max patternsArnold Schwaighofer
Also make some static function class functions to avoid having to mention the class namespace for enums all the time. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179886 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-1980-col fixup.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179881 91177308-0d34-0410-b5e6-96231b3b80d8
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