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* Revert "FunctionAttrs: Merge attributes once instead of doing it for every ↵Benjamin Kramer2013-06-221-46/+32
| | | | | | | | argument." It doesn't work as I intended it to. This reverts commit r184638. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184641 91177308-0d34-0410-b5e6-96231b3b80d8
* FunctionAttrs: Merge attributes once instead of doing it for every argument.Benjamin Kramer2013-06-221-32/+46
| | | | | | It has become an expensive operation. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184638 91177308-0d34-0410-b5e6-96231b3b80d8
* [objc-arc-opts] Make IsTrackingImpreciseReleases a const method.Michael Gottesman2013-06-211-1/+1
| | | | | | Thanks to Bill Wendling for pointing this out! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184593 91177308-0d34-0410-b5e6-96231b3b80d8
* [objc-arc-opts] Now that PtrState.RRI is encapsulated in PtrState, make ↵Michael Gottesman2013-06-211-5/+7
| | | | | | PtrState.RRI private and delete the TODO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184587 91177308-0d34-0410-b5e6-96231b3b80d8
* [objc-arc-opts] Encapsulated PtrState.RRI.{Calls,ReverseInsertPts} into ↵Michael Gottesman2013-06-211-12/+28
| | | | | | several methods on PtrState. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184586 91177308-0d34-0410-b5e6-96231b3b80d8
* [objcarcopts] Encapsulated PtrState.RRI.IsTrackingImpreciseRelease() => ↵Michael Gottesman2013-06-211-4/+5
| | | | | | PtrState.IsTrackingImpreciseRelease(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184583 91177308-0d34-0410-b5e6-96231b3b80d8
* [objcarcopts] Encapsulate PtrState.RRI.CFGHazardAfflicted via methods ↵Michael Gottesman2013-06-211-2/+10
| | | | | | PtrState.{IsCFGHazardAfflicted,SetCFGHazardAfflicted}. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184582 91177308-0d34-0410-b5e6-96231b3b80d8
* [objcarcopts] Encapsulate PtrState.RRI.ReleaseMetadata into the methods ↵Michael Gottesman2013-06-211-2/+10
| | | | | | PtrState.GetReleaseMetadata() and PtrState.SetReleaseMetadata(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184534 91177308-0d34-0410-b5e6-96231b3b80d8
* [objcarcopts] Encapsulate PtrState.RRI.IsTailCallRelease into the method ↵Michael Gottesman2013-06-211-2/+10
| | | | | | PtrState.IsTailCallRelease() and PtrState.SetTailCallRelease(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184533 91177308-0d34-0410-b5e6-96231b3b80d8
* [obcjarcopts] Encapsulate PtrState.RRI.KnownSafe in the methods ↵Michael Gottesman2013-06-211-6/+15
| | | | | | | | | | | | PtrState.IsKnownSafe and PtrState.SetKnownSafe. This is apart of a series of patches to encapsulate PtrState.RRI and make PtrState.RRI a private field of PtrState. *NOTE* This is actually the second commit in the patch stream. I should have put this note on the first such commit r184528. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184532 91177308-0d34-0410-b5e6-96231b3b80d8
* [objcarcopts] Some more minor code cleanups/comment additions.Michael Gottesman2013-06-211-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184531 91177308-0d34-0410-b5e6-96231b3b80d8
* [objcarcopts] Refactor out the RRInfo merging code from PtrState into ↵Michael Gottesman2013-06-211-17/+28
| | | | | | | | RRInfo::Merge. I also added some comments and performed minor code cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184528 91177308-0d34-0410-b5e6-96231b3b80d8
* SLP Vectorizer: do not search for store-chains that are wider than the ↵Nadav Rotem2013-06-211-2/+4
| | | | | | vector-register size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184527 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the simplify-libcalls pass (finally)Meador Inge2013-06-205-255/+52
| | | | | | | | | | | This commit completely removes what is left of the simplify-libcalls pass. All of the functionality has now been migrated to the instcombine and functionattrs passes. The following C API functions are now NOPs: 1. LLVMAddSimplifyLibCallsPass 2. LLVMPassManagerBuilderSetDisableSimplifyLibCalls git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184459 91177308-0d34-0410-b5e6-96231b3b80d8
* Clang-format the SLP vectorizer. No functionality change.Nadav Rotem2013-06-203-202/+259
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184446 91177308-0d34-0410-b5e6-96231b3b80d8
* SLPVectorization: Add a basic support for cross-basic block slp vectorization.Nadav Rotem2013-06-203-13/+80
| | | | | | | | | We collect gather sequences when we vectorize basic blocks. Gather sequences are excellent hints for vectorization of other basic blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184444 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the debug type to match the debug type that is used by vecutils.cpp.Nadav Rotem2013-06-201-1/+1
| | | | | | | | This change makes it easier to filter debug messages. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184440 91177308-0d34-0410-b5e6-96231b3b80d8
* [APFloat] Converted all references to APFloat::isNormal => ↵Michael Gottesman2013-06-192-10/+10
| | | | | | | | APFloat::isFiniteNonZero. Turns out all the references were in llvm and not in clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184356 91177308-0d34-0410-b5e6-96231b3b80d8
* Access the TargetLoweringInfo from the TargetMachine object instead of ↵Bill Wendling2013-06-193-22/+22
| | | | | | caching it. The TLI may change between functions. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184352 91177308-0d34-0410-b5e6-96231b3b80d8
* Move StructurizeCFG out of R600 to generic Transforms.Matt Arsenault2013-06-193-0/+881
| | | | | | Register it with PassManager git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184343 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR: Fix the parameters used to compute the scaling factor cost.Quentin Colombet2013-06-191-5/+13
| | | | | | | | | | | | | | Prior to this change, the considered addressing modes may be invalid since the maximum and minimum offsets were not taking into account. This was causing an assertion failure. The added test case exercices that behavior. <rdar://problem/14199725> Assertion failed: (CurScaleCost >= 0 && "Legal addressing mode has an illegal cost!") git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184341 91177308-0d34-0410-b5e6-96231b3b80d8
* SLPVectorizer: handle scalars that are extracted from vectors (using ↵Nadav Rotem2013-06-191-0/+44
| | | | | | ExtractElementInst). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184325 91177308-0d34-0410-b5e6-96231b3b80d8
* SLPVectorizer: start constructing chains at stores that are not power of two.Nadav Rotem2013-06-191-3/+17
| | | | | | | | | | The type <3 x i8> is a common in graphics and we want to be able to vectorize it. This changes accelerates bullet by 12% and 471_omnetpp by 5%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184317 91177308-0d34-0410-b5e6-96231b3b80d8
* SLPVectorizer: vectorize compares and selects.Nadav Rotem2013-06-191-3/+75
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184282 91177308-0d34-0410-b5e6-96231b3b80d8
* Document the return value and fix a typo.Nadav Rotem2013-06-191-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184281 91177308-0d34-0410-b5e6-96231b3b80d8
* Scan the successor blocks and use the PHI nodes as a hint for possible chain ↵Nadav Rotem2013-06-181-6/+40
| | | | | | roots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184201 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a return value to make this function more useful.Nadav Rotem2013-06-182-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184200 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix nondeterminism in .gcno file generation.Nick Lewycky2013-06-181-9/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184174 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for a regression caused by the LoopVectorizer whenPekka Jaaskelainen2013-06-171-3/+3
| | | | | | | | | vectorizing loops with memory accesses to non-zero address spaces. It simply dropped the AS info. Fixes PR16306. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184103 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable vectorization for -Oz.Nadav Rotem2013-06-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184089 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable the loop vectorizer by default for -Os and -O2.Nadav Rotem2013-06-171-7/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184084 91177308-0d34-0410-b5e6-96231b3b80d8
* Use 0 instead of NULL.Jakub Staszak2013-06-151-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184044 91177308-0d34-0410-b5e6-96231b3b80d8
* PruneEH: Only merge attribute sets when used. No functionality change.Benjamin Kramer2013-06-151-7/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184041 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix DeleteDeadVarargs not to crash on functions referenced by BlockAddressesDerek Schuff2013-06-131-2/+9
| | | | | | | | | | | | | | | This pass was assuming that if hasAddressTaken() returns false for a function, the function's only uses are call sites. That's not true because there can be references by BlockAddresses too. Fix the pass to handle this case. Fix BlockAddress::replaceUsesOfWithOnConstant() to allow a function's type to be changed by RAUW'ing the function with a bitcast of the recreated function. Patch by Mark Seaborn. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183933 91177308-0d34-0410-b5e6-96231b3b80d8
* Always remove an alias when we rename the target.Rafael Espindola2013-06-121-3/+1
| | | | | | Should fix the dragonegg build bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183845 91177308-0d34-0410-b5e6-96231b3b80d8
* Move PathV2.h to Path.hRafael Espindola2013-06-111-1/+1
| | | | | | | Most clients have already been moved from Path V1 to V2. The ones using V1 now include PathV1.h explicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183801 91177308-0d34-0410-b5e6-96231b3b80d8
* Change how globalopt handles aliases in llvm.used.Rafael Espindola2013-06-111-100/+156
| | | | | | | | | | | | | | | | | | | | | | | | Instead of a custom implementation of replaceAllUsesWith, we just call replaceAllUsesWith and recreate llvm.used and llvm.compiler-used. This change is particularity interesting because it makes llvm see through what clang is doing with static used functions in extern "C" contexts. With this change, running clang -O2 in extern "C" { __attribute__((used)) static void foo() {} } produces @llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @foo to i8*)], section "llvm.metadata" define internal void @foo() #0 { entry: ret void } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183756 91177308-0d34-0410-b5e6-96231b3b80d8
* Make DeadArgumentElimination more conservative on variadic functionsTim Northover2013-06-091-5/+17
| | | | | | | Variadic functions are particularly fragile in the face of ABI changes, so this limits how much the pass changes them git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183625 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a potential bug in r183584.Shuxin Yang2013-06-081-4/+8
| | | | | | | | | | | | | | r183584 tries to derive some info from the code *AFTER* a call and apply these derived info to the code *BEFORE* the call, which is not always safe as the call in question may never return, and in this case, the derived info is invalid. Thank Duncan for pointing out this potential bug. rdar://14073661 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183606 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an assertion in MemCpyOpt pass.Shuxin Yang2013-06-071-2/+4
| | | | | | | | | | | | | | | | | | | | | | The MemCpyOpt pass is capable of optimizing: callee(&S); copy N bytes from S to D. into: callee(&D); subject to some legality constraints. Assertion is triggered when the compiler tries to evalute "sizeof(typeof(D))", while D is an opaque-typed, 'sret' formal argument of function being compiled. i.e. the signature of the func being compiled is something like this: T caller(...,%opaque* noalias nocapture sret %D, ...) The fix is that when come across such situation, instead of calling some utility functions to get the size of D's type (which will crash), we simply assume D has at least N bytes as implified by the copy-instruction. rdar://14073661 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183584 91177308-0d34-0410-b5e6-96231b3b80d8
* [objc-arc] Ensure that the cfg path count does not overflow when we multiply ↵Michael Gottesman2013-06-071-10/+38
| | | | | | | | TopDownPathCount/BottomUpPathCount. rdar://12480535 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183489 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify code. No functionality change.Jakub Staszak2013-06-061-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183461 91177308-0d34-0410-b5e6-96231b3b80d8
* Jeffrey Yasskin volunteered to benchmark the vectorizer on -O2 or -Os when ↵Nadav Rotem2013-06-061-1/+7
| | | | | | compiling chrome. This patch adds a new flag to enable vectorization on all levels and not only on -O3. It should go away once we make a decision. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183456 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply "Use IRBuilder instead of ConstantInt methods." with the fixed issues.Jakub Staszak2013-06-061-68/+55
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183439 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Use IRBuilder instead of ConstantInt methods. It simplifies code a ↵Rafael Espindola2013-06-061-56/+70
| | | | | | | | little bit." This reverts commit 183328. It caused pr16244 and broke the bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183422 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded cast<>.Jakub Staszak2013-06-061-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183363 91177308-0d34-0410-b5e6-96231b3b80d8
* Use IRBuilder instead of ConstantInt methods.Jakub Staszak2013-06-061-27/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183360 91177308-0d34-0410-b5e6-96231b3b80d8
* Use IRBuilder instead of ConstantInt methods. It simplifies code a little bit.Jakub Staszak2013-06-051-70/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183328 91177308-0d34-0410-b5e6-96231b3b80d8
* IndVarSimplify: check if loop invariant expansion can trapDavid Majnemer2013-06-041-1/+1
| | | | | | | | | | | | | | | | IndVarSimplify is willing to move divide instructions outside of their loop bodies if they are invariant of the loop. However, it may not be safe to expand them if we do not know if they can trap. Instead, check to see if it is not safe to expand the instruction and skip the expansion. This fixes PR16041. Testcase by Rafael Ávila de Espíndola. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183239 91177308-0d34-0410-b5e6-96231b3b80d8
* Second part of pr16069Rafael Espindola2013-06-041-4/+9
| | | | | | | | | | | | | | | | | The problem this time seems to be a thinko. We were assuming that in the CFG A | \ | B | / C speculating the basic block B would cause only the phi value for the B->C edge to be speculated. That is not true, the phi's are semantically in the edges, so if the A->B->C path is taken, any code needed for A->C is not executed and we have to consider it too when deciding to speculate B. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183226 91177308-0d34-0410-b5e6-96231b3b80d8
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