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2008-10-03Nick Lewycky's patch.Devang Patel
While hosting instruction check PHI node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57025 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-03SplitBlock should only attempt to update LoopInfo if it is actually being used.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29Rename isWeakForLinker to mayBeOverridden. Use itDuncan Sands
instead of hasWeakLinkage in a bunch of optimization passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56782 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-26Implement function notes as function attributes. Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56716 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-25 Large mechanical patch.Devang Patel
s/ParamAttr/Attribute/g s/PAList/AttrList/g s/FnAttributeWithIndex/AttributeWithIndex/g s/FnAttr/Attribute/g This sets the stage - to implement function notes as function attributes and - to distinguish between function attributes and return value attributes. This requires corresponding changes in llvm-gcc and clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56622 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-24Put FN_NOTE_AlwaysInline and others in FnAttr namespace.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56527 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-23Move FN_NOTE_AlwaysInline and other out of ParamAttrs namespace.Devang Patel
Do not check isDeclaration() in hasNote(). It is clients' responsibility. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56524 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-23s/ParameterAttributes/Attributes/gDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56513 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-23Use parameter attribute store (soon to be renamed) forDevang Patel
Function Notes also. Function notes are stored at index ~0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56511 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-22Add hasNote() to check note associated with a function.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56477 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-22Initial support for the CMake build system.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56419 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18Try to place hoisted instructions befoe icmp instruction.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-17Do not hoist instruction above branch condition. The instruction may use ↵Devang Patel
branch condition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56286 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Fix simplifycfg crash in handing block merge.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55971 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-08Reapply 55859. This doesn't change anything asDuncan Sands
long as the callgraph is correct. It checks for wrong callgraphs more strictly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55894 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-05Revert r55859. This is breaking the build in the abscence of its companion ↵Owen Anderson
commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55865 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-05Delete the removeCallEdgeTo callgraph method,Duncan Sands
because it does not maintain a correct list of callsites. I discovered (see following commit) that the inliner will create a wrong callgraph if it is fed a callgraph with correct edges but incorrect callsites. These were created by Prune-EH, and while it wasn't done via removeCallEdgeTo, it could have been done via removeCallEdgeTo, which is an accident waiting to happen. Use removeCallEdgeFor instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55859 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-05Remove trailing whitespace.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55835 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-04Tidy up several unbeseeming casts from pointer to intptr_t.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Handle "always inline" note during inline cost analysis.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55712 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-23Switch the asmprinter (.ll) and all the stuff it requires over toChris Lattner
use raw_ostream instead of std::ostream. Among other goodness, this speeds up llvm-dis of kc++ with a release build from 0.85s to 0.49s (88% faster). Other interesting changes: 1) This makes Value::print be non-virtual. 2) AP[S]Int and ConstantRange can no longer print to ostream directly, use raw_ostream instead. 3) This fixes a bug in raw_os_ostream where it didn't flush itself when destroyed. 4) This adds a new SDNode::print method, instead of only allowing "dump". A lot of APIs have both std::ostream and raw_ostream versions, it would be useful to go through and systematically anihilate the std::ostream versions. This passes dejagnu, but there may be minor fallout, plz let me know if so and I'll fix it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55263 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-23Add a new trivial -inst-namer pass which makes it possible to diff theChris Lattner
before/after effects of a pass, crazy! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55230 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Rename some GC classes so that their roll will hopefully be clearer.Gordon Henriksen
In particular, Collector was confusing to implementors. Several thought that this compile-time class was the place to implement their runtime GC heap. Of course, it doesn't even exist at runtime. Specifically, the renames are: Collector -> GCStrategy CollectorMetadata -> GCFunctionInfo CollectorModuleMetadata -> GCModuleInfo CollectorRegistry -> GCRegistry Function::getCollector -> getGC (setGC, hasGC, clearGC) Several accessors and nested types have also been renamed to be consistent. These changes should be obvious. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54899 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Rework the routines that convert AP[S]Int into a string. Now, instead ofChris Lattner
returning an std::string by value, it fills in a SmallString/SmallVector passed in. This significantly reduces string thrashing in some cases. More specifically, this: - Adds an operator<< and a print method for APInt that allows you to directly send them to an ostream. - Reimplements APInt::toString to be much simpler and more efficient algorithmically in addition to not thrashing strings quite as much. This speeds up llvm-dis on kc++ by 7%, and may also slightly speed up the asmprinter. This also fixes a bug I introduced into the asmwriter in a previous patch w.r.t. alias printing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54873 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Use empty() instead of begin() == end().Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54780 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-23Enable first-class aggregates support.Dan Gohman
Remove the GetResultInst instruction. It is still accepted in LLVM assembly and bitcode, where it is now auto-upgraded to ExtractValueInst. Also, remove support for return instructions with multiple values. These are auto-upgraded to use InsertValueInst instructions. The IRBuilder still accepts multiple-value returns, and auto-upgrades them to InsertValueInst instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53941 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-18Reapply r53735. My last patch fixed the failures Dan observed.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53761 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-18Add some checks that got lost in the shuffle. This fixes 464.h264ref.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53760 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-18Revert r53735. It broke SPEC 464.h264ref.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53757 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-17Use MergeBlockIntoPredecessor to simplify some code.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53735 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-17Make MergeBlockIntoPredecessor more aggressive when the same successor appearsOwen Anderson
more than once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53731 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-17Inliner tweak. Function calls should cost more than one instruction!Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53712 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-17Factor MergeBlockIntoPredecessor out into BasicBlockUtils.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53705 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-14Reapply r53540, now with the matching header!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53557 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-14Revert r53540 - it does not compile.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53549 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-14If a function calls setjmp, never inline it into other functions. This isChris Lattner
a hack around the fact that we don't represent the CFG correctly for sj/lj. It fixes PR2486. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53540 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-14simplify some code, shuffle and insertelt always return a vector.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53538 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13Fix mishandling of the infinite loop case when merging two blocks. ThisChris Lattner
fixes PR2540. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53533 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13more refactoring. Use early exits instead of really complex logic.Chris Lattner
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53532 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13improve comments.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53531 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13factor another large hunk of code out into its own function. Chris Lattner
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53530 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13Final bit of simplification for FoldBranchToCommonDest.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53528 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13simplify logic a bitChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53527 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-13Refactor some code out into its own helper function, getting rid of crazy ↵Chris Lattner
multiline conditionals and commenting the code better. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53526 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25- Use O(1) check of basic block size limit.Evan Cheng
- Avoid speculatively execute vector ops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52703 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24Revert 52645, the loop unroller changes. It caused a regression in 252.eon.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52688 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23Revamp the loop unroller, extending it to correctly update PHI nodesDan Gohman
in the presence of out-of-loop users of in-loop values and the trip count is not a known multiple of the unroll count, and to be a bit simpler overall. This fixes PR2253. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52645 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-22Use Loop::block_iterator.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52616 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-21Use Instruction::eraseFromParent().Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52606 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-21Fix warning when assertions disabled.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52590 91177308-0d34-0410-b5e6-96231b3b80d8
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