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* TableGen'ing instruction encodings.Evan Cheng2008-08-291-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55533 91177308-0d34-0410-b5e6-96231b3b80d8
* addrmode1 (data processing) instruction encoding: bits 5-6 are 0, bits 7-10 ↵Evan Cheng2008-08-291-3/+10
| | | | | | encode the opcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55531 91177308-0d34-0410-b5e6-96231b3b80d8
* MVN is addrmode1.Evan Cheng2008-08-291-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55530 91177308-0d34-0410-b5e6-96231b3b80d8
* Add GlobalValue::{removeFromParent,eraseFromParent}Daniel Dunbar2008-08-294-6/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55529 91177308-0d34-0410-b5e6-96231b3b80d8
* More refactoring.Evan Cheng2008-08-292-45/+55
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55528 91177308-0d34-0410-b5e6-96231b3b80d8
* Add DenseMap::lookup:Daniel Dunbar2008-08-291-0/+9
| | | | | | | | /// lookup - Return the entry for the specified key, or a default /// constructed value if no such entry exists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55523 91177308-0d34-0410-b5e6-96231b3b80d8
* Swap fp comparison operands and change predicate to allow load folding.Evan Cheng2008-08-285-8/+70
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55521 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor ARM instruction format definitions into a separate file. No ↵Evan Cheng2008-08-282-215/+232
| | | | | | functionality changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55518 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a target callback for FastISel.Dan Gohman2008-08-284-4/+48
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
* remove tabs, fix > 80 colsGabor Greif2008-08-281-10/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55511 91177308-0d34-0410-b5e6-96231b3b80d8
* Add another description to my entry.Bill Wendling2008-08-281-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55510 91177308-0d34-0410-b5e6-96231b3b80d8
* just a brain dump for a small toolGabor Greif2008-08-281-0/+5
| | | | | | | | | | | | | that brings us to 80-col violations or tabs. Usage: visit-violations <file> At the moment it outputs editor invocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55509 91177308-0d34-0410-b5e6-96231b3b80d8
* rename destroy -> releaseMemory to properly hook into passmgr.Chris Lattner2008-08-282-8/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55508 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for JIT exceptions on Darwin. Since we're dealing with libgcc,Nicolas Geoffray2008-08-281-2/+135
| | | | | | | | | whose darwin code was written after the ability to dynamically register frames, we need to do special hacks to make things work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55507 91177308-0d34-0410-b5e6-96231b3b80d8
* fix the output dumbness I have introduced some time agoGabor Greif2008-08-281-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55506 91177308-0d34-0410-b5e6-96231b3b80d8
* erect abstraction boundaries for accessing SDValue members, rename Val -> ↵Gabor Greif2008-08-2839-1182/+1195
| | | | | | Node to reflect semantics git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55504 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement null and undef values for FastISel.Dan Gohman2008-08-281-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55500 91177308-0d34-0410-b5e6-96231b3b80d8
* In lowering SELECT_CC, removed cases where we can't flip the true and false ↵Mon P Wang2008-08-282-9/+1
| | | | | | when the compare value has a NaN git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55499 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize DAGCombiner's worklist processing. Previously it startedDan Gohman2008-08-282-78/+103
| | | | | | | | | | | | | | its work by putting all nodes in the worklist, requiring a big dynamic allocation. Now, DAGCombiner just iterates over the AllNodes list and maintains a worklist for nodes that are newly created or need to be revisited. This allows the worklist to stay small in most cases, so it can be a SmallVector. This has the side effect of making DAGCombine not miss a folding opportunity in alloca-align-rounding.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55498 91177308-0d34-0410-b5e6-96231b3b80d8
* Move CaseBlock, JumpTable, and BitTestBlock to be members ofDan Gohman2008-08-281-80/+77
| | | | | | | | | SelectionDAGLowering instead of being in an anonymous namespace. This fixes warnings about SelectionDAGLowering having fields using anonymous namespaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55497 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a FastISel bug where the instructions from lowering the argumentsDan Gohman2008-08-282-14/+17
| | | | | | | were being emitted after the first instructions of the entry block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55496 91177308-0d34-0410-b5e6-96231b3b80d8
* Use resize instead of reserve. Reserve doesn't change size().Rafael Espindola2008-08-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55486 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce the size of the Parts vector.Rafael Espindola2008-08-281-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55483 91177308-0d34-0410-b5e6-96231b3b80d8
* Hook up support for fast-isel of trunc instructions, using the newly working ↵Owen Anderson2008-08-281-1/+4
| | | | | | support for EXTRACT_SUBREG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55482 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for fast-isel of opcodes that require use of extract_subreg. ↵Owen Anderson2008-08-281-21/+43
| | | | | | Because of how extract_subreg is treated, it requires special case handling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55480 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement partial-word binary atomics on ppc.Dale Johannesen2008-08-283-0/+219
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55478 91177308-0d34-0410-b5e6-96231b3b80d8
* FastEmitInst_extractsubreg doesn't need to be passed the register class. It ↵Owen Anderson2008-08-282-4/+3
| | | | | | can get it from MachineRegisterInfo instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55476 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r55467; it causes regressions in UnitTests/Vector/divides,Dan Gohman2008-08-284-72/+6
| | | | | | | Benchmarks/sim/sim, and others on x86-64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55475 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly resize the Parts array.Rafael Espindola2008-08-281-1/+1
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* If a copy isn't coalesced, but its src is defined by trivial computation. ↵Evan Cheng2008-08-284-6/+72
| | | | | | Re-materialize the src to replace the copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55467 91177308-0d34-0410-b5e6-96231b3b80d8
* FsFLD0S{S|D} and V_SETALLONES are as cheap as moves.Evan Cheng2008-08-281-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55466 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the verifier reject instructions which have null pointers Chris Lattner2008-08-281-0/+11
| | | | | | | | for operands: rdar://6179606. no testcase, because I can't write a .ll file that is this broken ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55460 91177308-0d34-0410-b5e6-96231b3b80d8
* Clear the intervals list in "destroy", patch by Chris Lattner2008-08-281-0/+1
| | | | | | | | Prakash Prabhu! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55458 91177308-0d34-0410-b5e6-96231b3b80d8
* Split the ATOMIC NodeType's to include the size, e.g.Dale Johannesen2008-08-289-350/+717
| | | | | | | | | | | | | | | | | | ATOMIC_LOAD_ADD_{8,16,32,64} instead of ATOMIC_LOAD_ADD. Increased the Hardcoded Constant OpActionsCapacity to match. Large but boring; no functional change. This is to support partial-word atomics on ppc; i8 is not a valid type there, so by the time we get to lowering, the ATOMIC_LOAD nodes looks the same whether the type was i8 or i32. The information can be added to the AtomicSDNode, but that is the largest SDNode; I don't fully understand the SDNode allocation, but it is sensitive to the largest node size, so increasing that must be bad. This is the alternative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55457 91177308-0d34-0410-b5e6-96231b3b80d8
* This test crashes on non-x86 host; make SSE explicit.Dale Johannesen2008-08-281-1/+1
| | | | | | | | Feel free to fix a better way! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55456 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a missing #include. Patch by Andrew John Hughes.Dan Gohman2008-08-281-0/+1
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* Reorganize the lifetimes of the major objects SelectionDAGISelDan Gohman2008-08-274-336/+364
| | | | | | | | | | | | | | | | | | | | | works with. SelectionDAG, FunctionLoweringInfo, and SelectionDAGLowering objects now get created once per SelectionDAGISel instance, and can be reused across blocks and across functions. Previously, they were created and destroyed each time they were needed. This reorganization simplifies the handling of PHI nodes, and also SwitchCases, JumpTables, and BitTestBlocks. This simplification has the side effect of fixing a bug in FastISel where successor PHI nodes weren't being updated correctly. This is also a step towards making the transition from FastISel into and out of SelectionDAG faster, and also making plain SelectionDAG faster on code with lots of little blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55450 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a helper method that will be used to support EXTRACT_SUBREG for ↵Owen Anderson2008-08-272-0/+16
| | | | | | selecting trunc's in fast-isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55439 91177308-0d34-0410-b5e6-96231b3b80d8
* Make "movdq2q" and "movq2dq" dependent upon having SSE2 because they use theBill Wendling2008-08-272-7/+11
| | | | | | | SSE2 registers as well as the MMX registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55436 91177308-0d34-0410-b5e6-96231b3b80d8
* Put file scoped constants in an anonymous namespace. Use the "using namespaceBill Wendling2008-08-271-3/+5
| | | | | | | llvm" for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55435 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the check whether it's worth remating to caller.Evan Cheng2008-08-272-3/+2
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* Do not apply the transformation if the target does not support DestTy natively.Devang Patel2008-08-271-2/+9
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* Backout 55429Devang Patel2008-08-271-48/+4
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* Fix FastISel's bitcast code for the case where getRegForValue fails.Dan Gohman2008-08-271-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55431 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor isSafeToReMat out of 2addr pass.Evan Cheng2008-08-273-29/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55430 91177308-0d34-0410-b5e6-96231b3b80d8
* Add facility to create a target.Devang Patel2008-08-271-4/+48
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55429 91177308-0d34-0410-b5e6-96231b3b80d8
* Use TargetLowering to get the types in fast isel, which handles pointer ↵Owen Anderson2008-08-271-4/+4
| | | | | | types correctly for our purposes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55428 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't check TLI.getOperationAction. The FastISel way is toDan Gohman2008-08-271-6/+2
| | | | | | | | just try to do the action and let the tablegen-generated code determine if there is target-support for an operation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55427 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new FastISel method, getRegForValue, which takes care ofDan Gohman2008-08-272-138/+98
| | | | | | | | the details of materializing constants and other values into registers, and make use of it in several places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55426 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment about the current floating-point constant code in FastISel.Dan Gohman2008-08-271-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55425 91177308-0d34-0410-b5e6-96231b3b80d8
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