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2012-12-28Add proper support for -fsanitize-blacklist= flag for TSan and MSan. LLVM part.Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21[msan] Remove unreachable blocks before instrumenting a function.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170883 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19[msan] Add track-origins argument to the pass constructor.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12LoopVectorizer: Use the "optsize" attribute to decide if we are allowed to ↵Nadav Rotem
increase the function size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Improve debug info generated with enabled AddressSanitizer.Alexey Samsonov
When ASan replaces <alloca instruction> with <offset into a common large alloca>, it should also patch llvm.dbg.declare calls and replace debug info descriptors to mark that we've replaced alloca with a value that stores an address of the user variable, not the user variable itself. See PR11818 for more context. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12LoopVectorizer: When -Os is used, vectorize only loops that dont require a ↵Nadav Rotem
tail loop. There is no testcase because I dont know of a way to initialize the loop vectorizer pass without adding an additional hidden flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Use an ArrayRef instead of a std::vector&.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169881 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-10Don't use a red zone for code coverage if the user specified `-mno-red-zone'.Bill Wendling
The `-mno-red-zone' flag wasn't being propagated to the functions that code coverage generates. This allowed some of them to use the red zone when that wasn't allowed. <rdar://problem/12843084> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169754 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-07s/AttrListPtr/AttributeSet/g to better label what this class is going to be ↵Bill Wendling
in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add 'using' declarations to suppress -Woverloaded-virtual warnings.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169214 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03minor renaming, documentation and cleanups.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03ASan: add blacklist file to ASan pass options. Clang patch for this will follow.Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Sort the #include lines for the include/... tree with the script.Chandler Carruth
AKA: Recompile *ALL* the source code! This one went much better. No manual edits here. I spot-checked for silliness and grep-checked for really broken edits and everything seemed good. It all still compiles. Yell if you see something that looks goofy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Use the new script to sort the includes of every file under lib.Chandler Carruth
Sooooo many of these had incorrect or strange main module includes. I have manually inspected all of these, and fixed the main module include to be the nearest plausible thing I could find. If you own or care about any of these source files, I encourage you to take some time and check that these edits were sensible. I can't have broken anything (I strictly added headers, and reordered them, never removed), but they may not be the headers you'd really like to identify as containing the API being implemented. Many forward declarations and missing includes were added to a header files to allow them to parse cleanly when included first. The main module rule does in fact have its merits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Add options to AddressSanitizer passes to make them configurable by frontend.Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Initial commit of MemorySanitizer.Evgeniy Stepanov
Compiler pass only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168866 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28[asan] Split AddressSanitizer into two passes (FunctionPass, ModulePass), ↵Kostya Serebryany
LLVM part. This requires a clang part which will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168781 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23Remove unused parameter Penalty from the BoundsChecking pass.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168511 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13instcombine: Migrate math library call simplificationsMeador Inge
This patch migrates the math library call simplifications from the simplify-libcalls pass into the instcombine library call simplifier. I have typically migrated just one simplifier at a time, but the math simplifiers are interdependent because: 1. CosOpt, PowOpt, and Exp2Opt all depend on UnaryDoubleFPOpt. 2. CosOpt, PowOpt, Exp2Opt, and UnaryDoubleFPOpt all depend on the option -enable-double-float-shrink. These two factors made migrating each of these simplifiers individually more of a pain than it would be worth. So, I migrated them all together. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167815 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11Add method for replacing instructions to LibCallSimplifierMeador Inge
In some cases the library call simplifier may need to replace instructions other than the library call being simplified. In those cases it may be necessary for clients of the simplifier to override how the replacements are actually done. As such, a new overrideable method for replacing instructions was added to LibCallSimplifier. A new subclass of LibCallSimplifier is also defined which overrides the instruction replacement method. This is because the instruction combiner defines its own replacement method which updates the worklist when instructions are replaced. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167681 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Revert the majority of the next patch in the address space series:Chandler Carruth
r165941: Resubmit the changes to llvm core to update the functions to support different pointer sizes on a per address space basis. Despite this commit log, this change primarily changed stuff outside of VMCore, and those changes do not carry any tests for correctness (or even plausibility), and we have consistently found questionable or flat out incorrect cases in these changes. Most of them are probably correct, but we need to devise a system that makes it more clear when we have handled the address space concerns correctly, and ideally each pass that gets updated would receive an accompanying test case that exercises that pass specificaly w.r.t. alternate address spaces. However, from this commit, I have retained the new C API entry points. Those were an orthogonal change that probably should have been split apart, but they seem entirely good. In several places the changes were very obvious cleanups with no actual multiple address space code added; these I have not reverted when I spotted them. In a few other places there were merge conflicts due to a cleaner solution being implemented later, often not using address spaces at all. In those cases, I've preserved the new code which isn't address space dependent. This is part of my ongoing effort to clean out the partial address space code which carries high risk and low test coverage, and not likely to be finished before the 3.2 release looms closer. Duncan and I would both like to see the above issues addressed before we return to these changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167222 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01Revert the series of commits starting with r166578 which introduced theChandler Carruth
getIntPtrType support for multiple address spaces via a pointer type, and also introduced a crasher bug in the constant folder reported in PR14233. These commits also contained several problems that should really be addressed before they are re-committed. I have avoided reverting various cleanups to the DataLayout APIs that are reasonable to have moving forward in order to reduce the amount of churn, and minimize the number of commits that were reverted. I've also manually updated merge conflicts and manually arranged for the getIntPtrType function to stay in DataLayout and to be defined in a plausible way after this revert. Thanks to Duncan for working through this exact strategy with me, and Nick Lewycky for tracking down the really annoying crasher this triggered. (Test case to follow in its own commit.) After discussing with Duncan extensively, and based on a note from Micah, I'm going to continue to back out some more of the more problematic patches in this series in order to ensure we go into the LLVM 3.2 branch with a reasonable story here. I'll send a note to llvmdev explaining what's going on and why. Summary of reverted revisions: r166634: Fix a compiler warning with an unused variable. r166607: Add some cleanup to the DataLayout changes requested by Chandler. r166596: Revert "Back out r166591, not sure why this made it through since I cancelled the command. Bleh, sorry about this! r166591: Delete a directory that wasn't supposed to be checked in yet. r166578: Add in support for getIntPtrType to get the pointer type based on the address space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Use TargetTransformInfo to control switch-to-lookup table transformationHans Wennborg
When the switch-to-lookup tables transform landed in SimplifyCFG, it was pointed out that this could be inappropriate for some targets. Since there was no way at the time for the pass to know anything about the target, an awkward reverse-transform was added in CodeGenPrepare that turned lookup tables back into switches for some targets. This patch uses the new TargetTransformInfo to determine if a switch should be transformed, and removes CodeGenPrepare::ConvertLoadToSwitch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29Rename the BB-vectorize flag to match the dragonegg nameNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166948 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29Change the PassManagerBuilder (used by -O3) loop vectorizer flag from ↵Nadav Rotem
-vectorize to -vectorize-loops because we dont want to share the same flag as the bb-vectorizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166937 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26Change the internalize pass to internalize all symbols when given an emptyRafael Espindola
list of externals. This makes sense since a shared library with no symbols can still be useful if it has static constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166795 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Add in support for getIntPtrType to get the pointer type based on the ↵Micah Villmow
address space. This checkin also adds in some tests that utilize these paths and updates some of the clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19revert r166264 because the LTO build is still failingNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Move SplitBlockAndInsertIfThen to BasicBlockUtils.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166278 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19recommit the patch that makes LSR and LowerInvoke use the TargetTransform ↵Nadav Rotem
interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166264 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Introduce a BarrierNoop pass, a hack designed to allow *some* controlChandler Carruth
over the implicitly-formed-and-nesting CGSCC pass manager and function pass managers, especially when using them on the opt commandline or using extension points in the module builder. The '-barrier' opt flag (or the pass itself) will create a no-op module pass in the pipeline, resetting the pass manager stack, and allowing the creation of a new pipeline of function passes or CGSCC passes to be created that is independent from any previous pipelines. For example, this can be used to test running two CGSCC passes in independent CGSCC pass managers as opposed to in the same CGSCC pass manager. It also allows us to introduce a further hack into the PassManagerBuilder to separate the O0 pipeline extension passes from the always-inliner's CGSCC pass manager, which they likely do not want to participate in... At the very least none of the Sanitizer passes want this behavior. This fixes a bug with ASan at O0 currently, and I'll commit the ASan test which covers this pass. I'm happy to add a test case that this pass exists and works, but not sure how much time folks would like me to spend adding test cases for the details of its behavior of partition pass managers.... The whole thing is just vile, and mostly intended to unblock ASan, so I'm hoping to rip this all out in a brave new pass manager world. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Temporarily revert the TargetTransform changes.Bob Wilson
The TargetTransform changes are breaking LTO bootstraps of clang. I am working with Nadav to figure out the problem, but I am reverting it for now to get our buildbots working. This reverts svn commits: 165665 165669 165670 165786 165787 165997 and I have also reverted clang svn 165741 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Add a loop vectorizer.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166112 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15Resubmit the changes to llvm core to update the functions to support ↵Micah Villmow
different pointer sizes on a per address space basis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165941 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15[asan] make AddressSanitizer to be a FunctionPass instead of ModulePass. ↵Kostya Serebryany
This will simplify chaining other FunctionPasses with asan. Also some minor cleanup git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165936 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-13Implement new LibCallSimplifier classMeador Inge
This patch implements the new LibCallSimplifier class as outlined in [1]. In addition to providing the new base library simplification infrastructure, all the fortified library call simplifications were moved over to the new infrastructure. The rest of the library simplification optimizations will be moved over with follow up patches. NOTE: The original fortified library call simplifier located in the SimplifyFortifiedLibCalls class was not removed because it is still used by CodeGenPrepare. This class will eventually go away too. [1] http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-August/052283.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-11Revert 165732 for further review.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165747 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-11Add in the first iteration of support for llvm/clang/lldb to allow variable ↵Micah Villmow
per address space pointer sizes to be optimized correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10Add a new interface to allow IR-level passes to access codegen-specific ↵Nadav Rotem
information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165665 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-08Refactor the AddrMode class out of TLI to its own header file.Nadav Rotem
This class is used by LSR and a number of places in the codegen. This is the first step in de-coupling LSR from TLI, and creating a new interface in between them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165455 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-08Move TargetData to DataLayout.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165402 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04This patch corrects commit 165126 by using an integer bit width instead of Preston Gurd
a pointer to a type, in order to remove the uses of getGlobalContext(). Patch by Tyler Nowicki. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Rename virtual table anchors from Anchor() to anchor() for consistency with ↵Craig Topper
the rest of the tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Expansions for u/srem, using the udiv expansion. More unit tests for udiv ↵Michael Ilseman
and u/srem. Fixed issue with Release build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164654 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Revert r164614 to appease the buildbots.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164627 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Expansions for u/srem, using the udiv expansion. More unit tests for udiv ↵Michael Ilseman
and u/srem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164614 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Document the interface for integer expansion, using doxygen-style commentsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Forward declarationsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164230 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Remove unused and broken CloneFunction wrapper.Benjamin Kramer
It converted the CodeInfo argument to bool implicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18New utility for expanding integer division for targets that don't support it.Michael Ilseman
Implementation derived from compiler-rt's implementation of signed and unsigned integer division. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164173 91177308-0d34-0410-b5e6-96231b3b80d8
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