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* Handle a pointer type correctly in SCEVExpander::visitAddRecExpr.Dan Gohman2009-04-161-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69310 91177308-0d34-0410-b5e6-96231b3b80d8
* In the list-burr's pseudo two-addr dependency heuristics, don'tDan Gohman2009-04-161-0/+10
| | | | | | | | | | add dependencies on nodes with exactly one successor which is a COPY_TO_REGCLASS node. In the case that the copy is coalesced away, the dependence should be on the user of the copy, rather than the copy itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69309 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle SUBREG_TO_REG instructions with the same heuristicsDan Gohman2009-04-161-5/+7
| | | | | | | as INSERT_SUBREG instructions in the list-burr scheduler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69308 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug with inttoptr/ptrtoint casts where the pointer has a differentDan Gohman2009-04-162-5/+12
| | | | | | | | | size from the integer, requiring zero extension or truncation. Don't create ZExtInsts with pointer types. This fixes a regression in consumer-jpeg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69307 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not treat beginning of inlined scope as beginning of normal function ↵Devang Patel2009-04-162-2/+20
| | | | | | | | | | | | | | | | | | | | | | | scope if the location info is missing. Insetad of doing ... if (inlined_subroutine && known_location) DW_TAG_inline_subroutine else DW_TAG_subprogram do if (inlined_subroutine) { if (known_location) DW_TAG_inline_subroutine } else { DW_TAG_subprogram } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69300 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor code simplifications. Don't attempt LSR on theoreticalDan Gohman2009-04-161-12/+6
| | | | | | | | targets with pointers larger than 64 bits, due to the code not yet being APInt clean. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69296 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR is no longer a GEP optimizer. It is now an IV expressionDan Gohman2009-04-161-2/+1
| | | | | | | optimizer, which just happen to frequently involve optimizing GEPs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69295 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SCEVExpander::visitSMaxExpr and SCEVExpander::visitUMaxExpr toDan Gohman2009-04-161-0/+8
| | | | | | | | not create ICmpInsts with operands of different types. This fixes a regression in Applications/d/make_dparser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69294 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach SCEVExpander::InsertCastOfTo to avoid creating inttoptr-of-ptrtointDan Gohman2009-04-162-2/+10
| | | | | | | and ptrtoint-of-inttoptr expressions. This fixes a regression in 300.twolf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69293 91177308-0d34-0410-b5e6-96231b3b80d8
* Use ConstantExpr::getIntToPtr instead of SCEVExpander::InsertCastOfTo,Dan Gohman2009-04-161-3/+2
| | | | | | | since the operand is always a constant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69291 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a SCEV expression cast instead of immediately inserting aDan Gohman2009-04-161-8/+8
| | | | | | | new instruction with SCEVExpander::InsertCastOfTo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69290 91177308-0d34-0410-b5e6-96231b3b80d8
* Record line number at the beginning of a func.start.Devang Patel2009-04-162-2/+2
| | | | | | | This line was accidently lost yesterday. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69286 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR3995. A scale must be 1, 2, 4 or 8.Rafael Espindola2009-04-162-1/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69284 91177308-0d34-0410-b5e6-96231b3b80d8
* prove diagnostic -> group mapping information.Chris Lattner2009-04-161-1/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69270 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand GEPs in ScalarEvolution expressions. SCEV expressions can nowDan Gohman2009-04-1610-455/+452
| | | | | | | | | | | | | | | | | | | | | | have pointer types, though in contrast to C pointer types, SCEV addition is never implicitly scaled. This not only eliminates the need for special code like IndVars' EliminatePointerRecurrence and LSR's own GEP expansion code, it also does a better job because it lets the normal optimizations handle pointer expressions just like integer expressions. Also, since LLVM IR GEPs can't directly index into multi-dimensional VLAs, moving the GEP analysis out of client code and into the SCEV framework makes it easier for clients to handle multi-dimensional VLAs the same way as other arrays. Some existing regression tests show improved optimization. test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to the point where if-conversion started kicking in; I turned it off for this test to preserve the intent of the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69258 91177308-0d34-0410-b5e6-96231b3b80d8
* encode subgroups into the clang .inc file. -Wall now works!Chris Lattner2009-04-161-11/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69257 91177308-0d34-0410-b5e6-96231b3b80d8
* In -fast mode do what FastISel does.Devang Patel2009-04-162-30/+71
| | | | | | | This code could use some refactoring help! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69254 91177308-0d34-0410-b5e6-96231b3b80d8
* If FastISel is run and it has known DebugLoc then use it.Devang Patel2009-04-163-3/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69253 91177308-0d34-0410-b5e6-96231b3b80d8
* If location where the function was inlined is not know then do not emit ↵Devang Patel2009-04-161-5/+11
| | | | | | debug info describing inlinied region. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69252 91177308-0d34-0410-b5e6-96231b3b80d8
* start producing subgroup info.Chris Lattner2009-04-161-8/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69249 91177308-0d34-0410-b5e6-96231b3b80d8
* Another testcase for IV shortening.Dale Johannesen2009-04-161-0/+161
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* Eliminate zext over (iv | const) or (signed iv),Dale Johannesen2009-04-151-22/+77
| | | | | | | | | | and sext over (iv | const), if a longer iv is available. Allow expressions to have more than one zext/sext parent. All from OpenSSL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69241 91177308-0d34-0410-b5e6-96231b3b80d8
* make sure that empty diag groups get known by clang.Chris Lattner2009-04-151-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69235 91177308-0d34-0410-b5e6-96231b3b80d8
* implement support for writing out diagnostic group tables.Chris Lattner2009-04-151-137/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69219 91177308-0d34-0410-b5e6-96231b3b80d8
* s/RootDbgScope/FunctionDbgScope/gDevang Patel2009-04-151-13/+13
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* Eliminate zext over (iv & const) or ((iv+const)&const)Dale Johannesen2009-04-151-31/+89
| | | | | | | | | if a longer iv is available. These subscript forms are not common; they're a bottleneck in OpenSSL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69215 91177308-0d34-0410-b5e6-96231b3b80d8
* use UppercaseString instead of EmitAllCapsChris Lattner2009-04-151-16/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69213 91177308-0d34-0410-b5e6-96231b3b80d8
* use escape string.Chris Lattner2009-04-151-13/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69212 91177308-0d34-0410-b5e6-96231b3b80d8
* teach EscapeString and UnescapeString to handle ".Chris Lattner2009-04-151-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69211 91177308-0d34-0410-b5e6-96231b3b80d8
* Add DISubprogram is not null check.Devang Patel2009-04-151-2/+4
| | | | | | | This fixes test/CodeGen//2009-01-21-invalid-debug-info.m test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69210 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize one of the SelectionDAG::ReplaceAllUsesWith overloadsDan Gohman2009-04-154-18/+13
| | | | | | | | | to support replacing a node with another that has a superset of the result types. Use this instead of calling ReplaceAllUsesOfValueWith for each value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69209 91177308-0d34-0410-b5e6-96231b3b80d8
* rename -gen-clang-diags-options -> -gen-clang-diag-groupsChris Lattner2009-04-153-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69208 91177308-0d34-0410-b5e6-96231b3b80d8
* move clang-specific makefile goop to clang makefile.Chris Lattner2009-04-151-13/+0
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* Fix 80-column violations.Dan Gohman2009-04-152-3/+4
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* Add a folding table entry for MOV8rr_NOREX.Dan Gohman2009-04-151-0/+1
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* Check isInlinedSubroutine() before creating DW_TAG_inlined_subroutine.Devang Patel2009-04-151-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69202 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MachineInstr::getNumExplicitOperands to countDan Gohman2009-04-151-2/+2
| | | | | | | variadic operands correctly. Patch by Jakob Stoklund Olesen! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69190 91177308-0d34-0410-b5e6-96231b3b80d8
* don't infer diag class from parenting relations, make it an explicit fieldChris Lattner2009-04-151-15/+1
| | | | | | | in the record. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69176 91177308-0d34-0410-b5e6-96231b3b80d8
* include the default mapping in the clang diagnostic .inc files.Chris Lattner2009-04-151-7/+2
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* minor cleanupsChris Lattner2009-04-151-17/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69152 91177308-0d34-0410-b5e6-96231b3b80d8
* Limit the number of times we're willing to chase pointers. Removes an O(n^2)Nick Lewycky2009-04-151-1/+3
| | | | | | | problem from instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69151 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow jumping to the end of a bitstream while readingDouglas Gregor2009-04-151-1/+1
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* Check for alignment.Bill Wendling2009-04-151-1/+2
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* More obsessive reformatting. Fixed some validation errors.Bill Wendling2009-04-151-1009/+1045
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69130 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use "protected:" in classes that aren't intended to beDan Gohman2009-04-151-21/+0
| | | | | | | subclassed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69129 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix doxygen comment syntax.Dan Gohman2009-04-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69128 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix X86MachineFunctionInfo's doxygen comment.Dan Gohman2009-04-151-2/+3
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* Move MachineRegisterInfo::setRegClass out of line.Dan Gohman2009-04-152-16/+21
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* Move MachineJumpTableInfo::ReplaceMBBInJumpTables out of line.Dan Gohman2009-04-152-14/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69125 91177308-0d34-0410-b5e6-96231b3b80d8
* Give RemoveRegOperandFromRegInfo a comment and move theDan Gohman2009-04-152-12/+18
| | | | | | | code out of line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69124 91177308-0d34-0410-b5e6-96231b3b80d8
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