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* Implement a correct ui64->f32 conversion. The oldDale Johannesen2010-05-131-0/+36
| | | | | | | | one was subject to double rounding in extreme cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103744 91177308-0d34-0410-b5e6-96231b3b80d8
* An Instruction has a trivial kill only if its use is in the sameDan Gohman2010-05-131-2/+5
| | | | | | | basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103725 91177308-0d34-0410-b5e6-96231b3b80d8
* Add initial kill flag support to FastISel.Dan Gohman2010-05-111-60/+136
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103529 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't set kill flags on uses of CopyFromReg nodes. InstrEmitter doesn'tDan Gohman2010-05-111-9/+16
| | | | | | | | create separate virtual registers for CopyFromReg values, so uses of them don't necessarily kill the value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103519 91177308-0d34-0410-b5e6-96231b3b80d8
* I got tired of VISIBILITY_HIDDEN colliding with the gcc enum. Rename itDuncan Sands2010-05-112-2/+2
| | | | | | | | to LLVM_LIBRARY_VISIBILITY and introduce LLVM_GLOBAL_VISIBILITY, which is the opposite, for future use by dragonegg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103495 91177308-0d34-0410-b5e6-96231b3b80d8
* Trim #includes and forward declarations.Dan Gohman2010-05-112-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103489 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement a bunch more TargetSelectionDAGInfo infrastructure.Dan Gohman2010-05-112-5/+9
| | | | | | | | | Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and EmitTargetCodeForMemmove out of TargetLowering and into SelectionDAGInfo to exercise this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103481 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes for Microsoft Visual Studio 2010, from Steven Watanabe!Douglas Gregor2010-05-112-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103457 91177308-0d34-0410-b5e6-96231b3b80d8
* Indentation.Evan Cheng2010-05-101-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103441 91177308-0d34-0410-b5e6-96231b3b80d8
* Be careful with operand promotion. For a binary operation, the source ↵Evan Cheng2010-05-101-4/+10
| | | | | | operands may be the same. PR7018. rdar://7939869. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103419 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an assertion to catch attempts to access off the end of the array.Duncan Sands2010-05-101-0/+2
| | | | | | | Based on a patch by Javier Martinez. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103391 91177308-0d34-0410-b5e6-96231b3b80d8
* SDDbgValues are apparently not being legalized. Fix a symptom of the problem,Dan Gohman2010-05-071-1/+7
| | | | | | | | and not the real problem itself, by dropping debug info for i128 values. rdar://7958162. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103310 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify variable directly.Devang Patel2010-05-072-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103305 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR 7087, and probably other things, by extendingDale Johannesen2010-05-071-1/+11
| | | | | | | | | | | getConstantFP to accept the two supported long double target types. This was not the original intent, but there are other places that assume this works and it's easy enough to do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103299 91177308-0d34-0410-b5e6-96231b3b80d8
* Transfer debug location information from PHI nodes to resultingDan Gohman2010-05-071-0/+8
| | | | | | | lowered copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103228 91177308-0d34-0410-b5e6-96231b3b80d8
* Print debug information for SDNodes.Dan Gohman2010-05-071-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103227 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a DebugLoc argument to TargetInstrInfo::copyRegToReg, so that itDan Gohman2010-05-062-15/+15
| | | | | | | doesn't have to guess. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103194 91177308-0d34-0410-b5e6-96231b3b80d8
* In bottom-up mode, defer the materialization of local constant values.Dan Gohman2010-05-061-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103139 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an "IsBottomUp" member function to FastISel, which will be used toDan Gohman2010-05-051-1/+2
| | | | | | | support a new bottom-up mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103138 91177308-0d34-0410-b5e6-96231b3b80d8
* Use getValue() for PHINodes when direct NodeMap access does not work. Devang Patel2010-05-051-1/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103126 91177308-0d34-0410-b5e6-96231b3b80d8
* Instruction selection optimizations may have moved the def of a function ↵Evan Cheng2010-05-041-1/+2
| | | | | | argument out of the entry block. rdar://7937489 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102993 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach scheduler about REG_SEQUENCE.Evan Cheng2010-05-042-2/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102984 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-enable isel kill flags, now that the local allocator is ignoring them.Dan Gohman2010-05-041-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102981 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out FastISel's code for materializing constants and other valuesDan Gohman2010-05-031-1/+10
| | | | | | | | in registers into a separate function to de-couple it from the top-down-specific logic in getRegForValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102975 91177308-0d34-0410-b5e6-96231b3b80d8
* Insert ANY_EXTEND node instead of invalid truncate during DAG Combining (X & 1),Anton Korobeynikov2010-05-011-1/+6
| | | | | | when needed. This fixes PR7001 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102838 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the code for special-casing byval for fast-isel. SelectionDAGDan Gohman2010-05-012-21/+3
| | | | | | | | handles argument lowering anyway, so there's no need for special casing here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102828 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-disable kill flags, as there is more trouble.Dan Gohman2010-05-011-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102826 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-enable kill flags from SelectionDAGISel, with a fix: don'tDan Gohman2010-05-011-5/+1
| | | | | | | try to put a kill flag on a DBG_INFO instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102820 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespace.Dan Gohman2010-05-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102817 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't pass SDValues by non-const reference unless they may beDan Gohman2010-05-012-2/+3
| | | | | | | modified. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102816 91177308-0d34-0410-b5e6-96231b3b80d8
* Reorgnaize more switch code lowering to clean up some trickyDan Gohman2010-05-012-22/+22
| | | | | | | | | | | | code, and to eliminate the need for the SelectionDAGBuilder state to be live during CodeGenAndEmitDAG calls. Call SDB->clear() before CodeGenAndEmitDAG calls instead of before it, and move the CurDAG->clear() out of SelectionDAGBuilder, which doesn't own the DAG, and into CodeGenAndEmitDAG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102814 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the EdgeMapping variable itself.Dan Gohman2010-05-012-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102810 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of the EdgeMapping map. Instead, just check for BasicBlockDan Gohman2010-05-015-28/+15
| | | | | | | changes before doing phi lowering for switches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102809 91177308-0d34-0410-b5e6-96231b3b80d8
* EXTRACT_VECTOR_ELT of an INSERT_VECTOR_ELT may have the same index, but theBill Wendling2010-04-301-8/+13
| | | | | | | | | indexes could be of a different value type. Or not even using the same SDNode for the constant (weird, I know). Compare the actual values instead of the pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102791 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove this debug output. The MachineFunction will be printed once all ofDan Gohman2010-04-301-3/+0
| | | | | | | | instruction selection is done; it's confusing to see parts of it printed, while other parts are omitted, along the way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102771 91177308-0d34-0410-b5e6-96231b3b80d8
* EmitDbgValue doesn't need its EdgeMapping argument.Dan Gohman2010-04-303-12/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102742 91177308-0d34-0410-b5e6-96231b3b80d8
* Apply a patch from Jan Sjodin to fix a compiler abort on vectorDan Gohman2010-04-301-9/+24
| | | | | | | | comparisons sign-extended to a different bitwidth than the comparison operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102721 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily disable SelectionDAG kill flags, which are causing trouble.Dan Gohman2010-04-301-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102680 91177308-0d34-0410-b5e6-96231b3b80d8
* Set register kill flags on the SelectionDAG path, at least in theDan Gohman2010-04-301-1/+12
| | | | | | | easy cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102678 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor.Devang Patel2010-04-291-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102661 91177308-0d34-0410-b5e6-96231b3b80d8
* DO not push DBG_VALUE machine instructions for inlined fuction arguments in ↵Devang Patel2010-04-291-0/+7
| | | | | | entry block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102653 91177308-0d34-0410-b5e6-96231b3b80d8
* Add comment.Evan Cheng2010-04-291-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102606 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-enable 102565 with fixes.Evan Cheng2010-04-292-14/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102602 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily disable my changes to unbreak the build.Evan Cheng2010-04-292-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102590 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not generate duplicate dbg_value instructions for function arguments.Evan Cheng2010-04-292-9/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102585 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix missing #include.Dan Gohman2010-04-291-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102584 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid emitting a dbg_value machineinstr that's not going to be inserted into ↵Evan Cheng2010-04-292-2/+2
| | | | | | entry block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102581 91177308-0d34-0410-b5e6-96231b3b80d8
* Check Reg against zero.Evan Cheng2010-04-292-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102573 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy up.Devang Patel2010-04-281-8/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102558 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace r102368 with code that's less fragile. This creates DBG_VALUE ↵Evan Cheng2010-04-285-5/+68
| | | | | | instructions for function arguments early and insert them after instruction selection is done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102554 91177308-0d34-0410-b5e6-96231b3b80d8
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