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* Add parentheses to make code more readable.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55717 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comments.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55716 91177308-0d34-0410-b5e6-96231b3b80d8
* If a SCC has a node without a function, then the SCCDuncan Sands2008-09-03
| | | | | | | | | | | analysis would bail out without removing function records for other members of the SCC (which may exist if those functions read or wrote global variables). Since these are initialized to "readnone", this resulted in incorrect alias analysis results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55714 91177308-0d34-0410-b5e6-96231b3b80d8
* Add custom inliner that handles only functions that are marked as always_inline.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55713 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle "always inline" note during inline cost analysis.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55712 91177308-0d34-0410-b5e6-96231b3b80d8
* Check noinline note and ignore other notes.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55711 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle "noinline" note inside the simple inliner.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55708 91177308-0d34-0410-b5e6-96231b3b80d8
* Oops, I accidentally broke the fallback case with my last commit.Owen Anderson2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55704 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an issue where we were reusing materializations of constants in blocks ↵Owen Anderson2008-09-03
| | | | | | | | | | not dominated by the materialization. This is the simple fix, materializing the constant before every use. It might be better to either track domination of uses or to materialize all constants and the beginning of the function and let remat sort when to do materialization at uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55703 91177308-0d34-0410-b5e6-96231b3b80d8
* Split the SelectionDAG-building code, including the FunctionLoweringInfoDan Gohman2008-09-03
| | | | | | | | and SelectionDAGLowering classes, out of SelectionDAGISel.cpp and put it in a separate file, SelectionDAGBuild.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55701 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix maxo bado thinko.Duncan Sands2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55700 91177308-0d34-0410-b5e6-96231b3b80d8
* Separate MachineInstr-emitting routines from actual schedulingDan Gohman2008-09-03
| | | | | | | routines and move them into a separate file, ScheduleDAGEmit.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55699 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix addRegisterDead and addRegisterKilled to be more thoroughDan Gohman2008-09-03
| | | | | | | | | | | | | | | | | when searching for redundant subregister dead/kill bits. Previously it was common to see instructions marked like this: "RET %EAX<imp-use,kill>, %AX<imp-use,kill>" With this change, addRegisterKilled continues scanning after finding the %EAX operand, so it proceeds to discover the redundant %AX kill and eliminates it, producing this: "RET %EAX<imp-use,kill>" This currently has no effect on the generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55698 91177308-0d34-0410-b5e6-96231b3b80d8
* Since onlyReadsMemory returns true if in factDuncan Sands2008-09-03
| | | | | | | | | doesNotAccessMemory, check doesNotAccessMemory first, since otherwise functions may be marked readonly rather than readnone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55697 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup GlobalsModRef a bit. When analysing theDuncan Sands2008-09-03
| | | | | | | | | | | | callgraph, when one member of a SCC calls another then the analysis would drop to mod-ref because there is (usually) no function info for the callee yet; fix this. Teach the analysis about function attributes, in particular the readonly attribute (which requires being careful about globals). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55696 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to fold each element of a vector. This is needed to maintain structuralNick Lewycky2008-09-03
| | | | | | | equivalence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55694 91177308-0d34-0410-b5e6-96231b3b80d8
* Add X86 target hook to implement load (even from GlobalAddress).Evan Cheng2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55693 91177308-0d34-0410-b5e6-96231b3b80d8
* If TargetSelectInstruction returns true, move to next instruction.Evan Cheng2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55692 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't apply this transform to vectors. Fixes PR2756.Nick Lewycky2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55690 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't crash when trying to constant fold a vector with some elements that can'tNick Lewycky2008-09-03
| | | | | | | | | | be folded. Instead, fail to fold the entire vector. We could also return a vector with some elements folded and some not. If anyone thinks that's a better approach, please speak up! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55689 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix capitalization in #include of FastISel.h. This unbreaks the build on ↵Ted Kremenek2008-09-03
| | | | | | case-sensitive filesystems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55687 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak fast isel.Evan Cheng2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55685 91177308-0d34-0410-b5e6-96231b3b80d8
* Add additional check to ensure that iv is canonicalized.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55682 91177308-0d34-0410-b5e6-96231b3b80d8
* Check iteration count.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55680 91177308-0d34-0410-b5e6-96231b3b80d8
* Let tblgen only generate fastisel routines, not the class definition. This ↵Evan Cheng2008-09-03
| | | | | | makes it easier for targets to define its own fastisel class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55679 91177308-0d34-0410-b5e6-96231b3b80d8
* While removing PHI, use basicblock to identify incoming value.Devang Patel2008-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55678 91177308-0d34-0410-b5e6-96231b3b80d8
* s/FP_AlwaysInline/FN_NOTE_AlwaysInline/gDevang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55676 91177308-0d34-0410-b5e6-96231b3b80d8
* If all IV uses are extending integer IV then change the type of IV itself, ↵Devang Patel2008-09-02
| | | | | | if possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55674 91177308-0d34-0410-b5e6-96231b3b80d8
* respect inline=never and inline=always notes.Devang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55673 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 col violations.Evan Cheng2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55668 91177308-0d34-0410-b5e6-96231b3b80d8
* Read and write function notes.Devang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55657 91177308-0d34-0410-b5e6-96231b3b80d8
* Use bitwise AND.Devang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55656 91177308-0d34-0410-b5e6-96231b3b80d8
* Print function notes.Devang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55647 91177308-0d34-0410-b5e6-96231b3b80d8
* Parse function notes.Devang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55646 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize function notes.Devang Patel2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55645 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some bugs in the code sequences for atomics.Dale Johannesen2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55643 91177308-0d34-0410-b5e6-96231b3b80d8
* Ensure that HandlePHINodesInSuccessorBlocks is run for all blocks,Dan Gohman2008-09-02
| | | | | | | | even in FastISel mode in the case where FastISel successfully selects all the instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55641 91177308-0d34-0410-b5e6-96231b3b80d8
* plug a little memleak in verifyFunction()Nuno Lopes2008-09-02
| | | | | | # first commit to llvm, so whatch out :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55631 91177308-0d34-0410-b5e6-96231b3b80d8
* MMI may be null.Evan Cheng2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55626 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Mac OS X compatible JIT callback routine.Evan Cheng2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55625 91177308-0d34-0410-b5e6-96231b3b80d8
* Revamp ARM JIT.Evan Cheng2008-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55624 91177308-0d34-0410-b5e6-96231b3b80d8
* Change getBinaryCodeForInstr prototype. First operand MachineInstr& should ↵Evan Cheng2008-09-02
| | | | | | be const. Make corresponding changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55623 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide two overloads of AnalyzeNewNode.Gabor Greif2008-09-01
| | | | | | | | | | | | The first can update the SDNode in an SDValue while the second is called with SDNode* and returns a possibly updated SDNode*. This patch has no intended functional impact, but helps eliminating ugly temporary SDValues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55608 91177308-0d34-0410-b5e6-96231b3b80d8
* Even though no caller actually uses the new valueDuncan Sands2008-09-01
| | | | | | | | (what matters is that it is added to the worklist), it seems more logical to return it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55606 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a small pass that sets the readnone/readonlyDuncan Sands2008-09-01
| | | | | | | | | | | | | | | | | | | | | | | | | | attributes on functions, based on the result of alias analysis. It's not hardwired to use GlobalsModRef even though this is the only (AFAIK) alias analysis that results in this pass actually doing something. Enable as follows: opt ... -globalsmodref-aa -markmodref ... Advantages of this pass: (1) records the result of globalsmodref in the bitcode, meaning it is available for use by later passes (currently the pass manager isn't smart enough to magically make an advanced alias analysis available to all later passes), which may expose more optimization opportunities; (2) hopefully speeds up compilation when code is optimized twice, for example when a file is compiled to bitcode, then later LTO is done on it: marking functions readonly/readnone when producing the initial bitcode should speed up alias analysis during LTO; (3) good for discovering that globalsmodref doesn't work very well :) Not currently turned on by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55604 91177308-0d34-0410-b5e6-96231b3b80d8
* Control flow instruction encodings.Evan Cheng2008-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55601 91177308-0d34-0410-b5e6-96231b3b80d8
* ldm / stm instruction encodings.Evan Cheng2008-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55599 91177308-0d34-0410-b5e6-96231b3b80d8
* AXI2 and AXI3 instruction encodings.Evan Cheng2008-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55598 91177308-0d34-0410-b5e6-96231b3b80d8
* Reorganize instruction formats again; AXI1 encoding.Evan Cheng2008-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55597 91177308-0d34-0410-b5e6-96231b3b80d8
* addrmode3 instruction encodings.Evan Cheng2008-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55596 91177308-0d34-0410-b5e6-96231b3b80d8
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