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2010-10-22Teach instcombine to set the alignment arguments for NEON load/store intrinsics.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117154 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21RetOp is not actually used for anything useful (thoughDuncan Sands
it looks like maybe it was supposed to be used in the test...), so zap it (gcc-4.6 warning). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117023 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Reapply r116831 and r116839, converting AliasAnalysis to useDan Gohman
uint64_t, plus fixes for places I missed before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116875 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Revert r116831 and r116839, which are breaking selfhost builds.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116858 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Passes do not need to recursively initialize passes that they preserve, ifOwen Anderson
they do not also require them. This allows us to reduce inter-pass linkage dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116854 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Oops, check in all the files for converting AliasAnalysis toDan Gohman
use uint64_t. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116839 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Get rid of static constructors for pass registration. Instead, every pass ↵Owen Anderson
exposes an initializeMyPassFunction(), which must be called in the pass's constructor. This function uses static dependency declarations to recursively initialize the pass's dependencies. Clients that only create passes through the createFooPass() APIs will require no changes. Clients that want to use the CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h before parsing commandline arguments. I have tested this with all standard configurations of clang and llvm-gcc on Darwin. It is possible that there are problems with the static dependencies that will only be visible with non-standard options. If you encounter any crash in pass registration/creation, please send the testcase to me directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Consistently use AliasAnalysis::UnknownSize instead of hardcoding ~0u.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116815 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19GlobalOpt: EvaluateFunction() must not evaluate stores to weak_odr globals.Mikhail Glushenkov
Fixes PR8389. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116812 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Trailing whitespace.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116743 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Transfer debug loc to lowered call.Devang Patel
Patch by Alexander Herz! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116733 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16Eliminate some calls to Value::getNameStr.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116670 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Generalize MemCpyOpt's handling of call slot forwarding to function properly ↵Owen Anderson
when the call slot forwarding is implemented with a load/store pair rather than a memcpy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116637 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-13CallGraphSCC passes implicity require CallGraph analysis.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116443 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-13Fix PR8313 by changing ValueToValueMap use a TrackingVH.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116390 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-13Be more consistent in using ValueToValueMapTy.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116387 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-12Begin adding static dependence information to passes, which will allow us toOwen Anderson
perform initialization without static constructors AND without explicit initialization by the client. For the moment, passes are required to initialize both their (potential) dependencies and any passes they preserve. I hope to be able to relax the latter requirement in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116334 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Now using a variant of the existing inlining heuristics to decide whether to ↵Kenneth Uildriks
create a given specialization of a function in PartialSpecialization. If the total performance bonus across all callsites passing the same constant exceeds the specialization cost, we create the specialization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Filter out illegal formulae after updating offsets, not before, so thatDan Gohman
formulae which become illegal as a result of the offset updating don't escape. This is for rdar://8529692. No testcase yet, because the given cases hit use-list ordering differences. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08Update CMake.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Delete the FormulaSorter class and inline its one method into itsDan Gohman
one user. This code will be restructured soon and FormulaSorter is getting in the way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116012 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Fix a spello.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Charge a formula for explicit multiplies on scaled registers too,Dan Gohman
not just base registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Use size_t for consistency.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07When merging one use into another, transfer the offsets fromDan Gohman
the old use to the new one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Fix LSR to keep the RegUseTracker up to date when combining users.Dan Gohman
This doesn't usually matter, because the other heuristics usually succeed regardless, but it's good to keep the register use bookkeeping consistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116005 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Remove LoopIndexSplit pass. It is neither maintained nor used by anyone.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116004 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Now with fewer extraneous semicolons!Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Add initialization routines for Instrumentation.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115971 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Add initialization routines to InstCombine.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115965 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Add an initialization routine for libLLVMipo.aOwen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115933 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Next step on the getting-rid-of-static-ctors train: begin adding per-libraryOwen Anderson
initialization functions that initialize the set of passes implemented in that library. Add C bindings for these functions as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115927 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Move the pass initialization helper functions into the llvm namespace, and addOwen Anderson
a header declaring them all. This is also where we will declare per-library pass-set initializer functions down the road. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115900 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Since the Hello pass is built as a loadable dynamic library, don't try to ↵Owen Anderson
convert it to new-style registration yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115881 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01Now that the profitable bits of EnableFullLoadPRE have been enabled by ↵Owen Anderson
default, rip out the remainder. Anyone interested in more general PRE would be better served by implementing it separately, to get real anticipation calculation, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115337 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01Fix the other half of the alignment changing issue by making sure that theEric Christopher
memcpy alignment is the minimum of the incoming alignments. Fixes PR 8266. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01fix PR8267 - Instcombine shouldn't optimizer away volatile memcpy's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115296 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Massive rewrite of MMX: Dale Johannesen
The x86_mmx type is used for MMX intrinsics, parameters and return values where these use MMX registers, and is also supported in load, store, and bitcast. Only the above operations generate MMX instructions, and optimizations do not operate on or produce MMX intrinsics. MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into smaller pieces. Optimizations may occur on these forms and the result casted back to x86_mmx, provided the result feeds into a previous existing x86_mmx operation. The point of all this is prevent optimizations from introducing MMX operations, which is unsafe due to the EMMS problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115243 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30We do want to allow LoadPRE to perform LICM-like transformations: we already ↵Owen Anderson
consider PHI nodes to be negligible for code size (making this transform code size neutral), and it allows us to hoist values out of loops, which is always a good thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115205 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Try again to disable critical edge splitting in CodeGenPrepare.Jakob Stoklund Olesen
The bug that broke i386 linux has been fixed in r115191. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Tighten up prototype verification of strchr and strrchr to avoid a crash in ↵Benjamin Kramer
the very unlikely case that someone passes an integer > i64 to strchr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115144 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Add constant folding for strspn and strcspn to SimplifyLibCalls.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29Add strpbrk folding to SimplifyLibCalls.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115111 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29Simplify the loop in StrChrOptimizer. FileCheckize test.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115095 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29Teach SimplifyLibCalls how to optimize strrchr.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115091 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29Fix PR8247: JumpThreading can cause a block to become unreachable while ↵Owen Anderson
still having predecessor, if it is part of a self-loop. Because of this, we cannot use the Simplify* APIs, as they can assert-fail on unreachable code. Since it's not easy to determine if a given threading will cause a block to become unreachable, simply defer simplifying simplification to later InstCombine and/or DCE passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115082 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29Revert r114919, which caused some serious regressions on ARM.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115053 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28Removed a bunch of unnecessary target_link_libraries.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27Weight loop unrolling counts by nesting depth. Unrolling deeply nested loops ↵Owen Anderson
tends to cause high register pressure and thus excess spills, which we don't currently recover from well. This should be re-evaluated in the future if our ability to generate good spills/splits improves. Partial fix for <rdar://problem/7635585>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114919 91177308-0d34-0410-b5e6-96231b3b80d8
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