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path: root/lib/CodeGen/PseudoSourceValue.cpp
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* More dead code removal (using -Wunreachable-code)David Blaikie2012-01-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge System into Support.Michael J. Spencer2010-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix memcheck-found leaks: one false positive from using new[], and one trueJeffrey Yasskin2010-03-04
| | | | | | | positive where pointers would be leaked on llvm_shutdown. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97759 91177308-0d34-0410-b5e6-96231b3b80d8
* Do some cleanups suggested by Chris.David Greene2009-11-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87034 91177308-0d34-0410-b5e6-96231b3b80d8
* Make FixedStackPseudoSourceValue a first-class PseudoSourceValue byDavid Greene2009-11-12
| | | | | | | | | making it visible to clients and adding LLVM-style cast capability. This will be used by AsmPrinter to determine when to emit spill comments for an instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87019 91177308-0d34-0410-b5e6-96231b3b80d8
* Add PseudoSourceValue::mayAlias. It returns true if the object can ever ↵Evan Cheng2009-11-01
| | | | | | alias any LLVM IR value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85762 91177308-0d34-0410-b5e6-96231b3b80d8
* pseudosourcevalue is also still using getGlobalContext(), so it isn'tChris Lattner2009-10-27
| | | | | | | thread safe either. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85253 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove includes of Support/Compiler.h that are no longer needed after theNick Lewycky2009-10-25
| | | | | | | VISIBILITY_HIDDEN removal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85043 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.Nick Lewycky2009-10-25
| | | | | | | | Chris claims we should never have visibility_hidden inside any .cpp file but that's still not true even after this commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
* Spill slots cannot alias.Evan Cheng2009-10-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84432 91177308-0d34-0410-b5e6-96231b3b80d8
* -Revert parts of 84326 and 84411. Distinquishing between fixed and non-fixedEvan Cheng2009-10-18
| | | | | | | | | | | | stack slots and giving them different PseudoSourceValue's did not fix the problem of post-alloc scheduling miscompiling llvm itself. - Apply Dan's conservative workaround by assuming any non fixed stack slots can alias other memory locations. This means a load from spill slot #1 cannot move above a store of spill slot #2. - Enable post-alloc scheduling for x86 at optimization leverl Default and above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84424 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 84315 for now. Re-thinking the patch.Evan Cheng2009-10-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84321 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getFixedStack to getStackObject. The stack objects represented are notEvan Cheng2009-10-17
| | | | | | | necessarily fixed. Only those will negative frame indices are "fixed." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84315 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce and use convenience methods for getting pointer typesDuncan Sands2009-10-06
| | | | | | | | where the element is of a basic builtin type. For example, to get an i8* use getInt8PtrTy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8
* Give MachineMemOperand an operator<<, factoring out code fromDan Gohman2009-09-23
| | | | | | | | | | | | | two different places for printing MachineMemOperands. Drop the virtual from Value::dump and instead give Value a protected virtual hook that can be overridden by subclasses to implement custom printing. This lets printing be more consistent, and simplifies printing of PseudoSourceValue values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82599 91177308-0d34-0410-b5e6-96231b3b80d8
* Push LLVMContexts through the IntegerType APIs.Owen Anderson2009-08-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.Torok Edwin2009-07-14
| | | | | | | | | | This adds location info for all llvm_unreachable calls (which is a macro now) in !NDEBUG builds. In NDEBUG builds location info and the message is off (it only prints "UREACHABLE executed"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
* assert(0) -> LLVM_UNREACHABLE.Torok Edwin2009-07-11
| | | | | | | | | | Make llvm_unreachable take an optional string, thus moving the cerr<< out of line. LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for NDEBUG builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that errs() is properly non-buffered, there's no need toDan Gohman2009-03-23
| | | | | | | explicitly flush it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67526 91177308-0d34-0410-b5e6-96231b3b80d8
* Have PseudoSourceValue override Value::dump, so that it worksDan Gohman2008-12-03
| | | | | | | | on PseudoSourceValue values. This also fixes a FIXME in lib/VMCode/AsmWriter.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60507 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the std::ostream form of PseudoSourceValue's print,Dan Gohman2008-08-27
| | | | | | | which isn't needed anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55419 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify PseudoSourceValue printing a bit. Unnest all of ↵Chris Lattner2008-08-24
| | | | | | PseudoSourceValue.cpp from the llvm namespace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55293 91177308-0d34-0410-b5e6-96231b3b80d8
* Print PseudoSourceValue.Evan Cheng2008-08-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55291 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable rematerialization of constants using ↵Dan Gohman2008-07-25
| | | | | | | | | | | AliasAnalysis::pointsToConstantMemory, and knowledge of PseudoSourceValues. This unfortunately isn't sufficient to allow constants to be rematerialized in PIC mode -- the extra indirection is a complication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54000 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix edito in the PseudoSourceValue name list.Dan Gohman2008-07-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53562 91177308-0d34-0410-b5e6-96231b3b80d8
* Include a frame index in the "fixed stack" pseudo source valueDan Gohman2008-07-11
| | | | | | | | instead of using the frame index for the SVOffset, which was inconsistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53486 91177308-0d34-0410-b5e6-96231b3b80d8
* A quick nm audit turned up several fixed tables and objects that wereDan Gohman2008-03-25
| | | | | | | | marked read-write. Use const so that they can be allocated in a read-only segment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48800 91177308-0d34-0410-b5e6-96231b3b80d8
* From Chris' review: fix 80 column violationsDan Gohman2008-02-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46961 91177308-0d34-0410-b5e6-96231b3b80d8
* Follow Chris' suggestion; change the PseudoSourceValue accessorsDan Gohman2008-02-07
| | | | | | | | to return pointers instead of references, since this is always what is needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46857 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply the memory operand changes, with a fix for the staticDan Gohman2008-02-06
| | | | | | | | | initializer problem, a minor tweak to the way the DAGISelEmitter finds load/store nodes, and a renaming of the new PseudoSourceValue objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46827 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and ↵Evan Cheng2008-01-31
| | | | | | re-commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46623 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new PseudoSourceValue class, which will be used to help trackDan Gohman2008-01-30
memory reference information in the backend. Most of this was written by Florian Brander, cleanup and updating to TOT by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46556 91177308-0d34-0410-b5e6-96231b3b80d8
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