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* Enable Thumb2 instruction shrinking (32-bit to 16-bit) pass. Convert a bunch ↵Evan Cheng2009-08-101-5/+1
| | | | | | of thumb2 tests to FileCheck. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78622 91177308-0d34-0410-b5e6-96231b3b80d8
* Modified VNInfo. The "copy" member is now a union which holds the copy for a ↵Lang Hames2009-08-106-31/+31
| | | | | | register interval, or the defining register for a stack interval. Access is via getCopy/setCopy and getReg/setReg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78620 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the DAGCombiner's handling of multiple linkedDan Gohman2009-08-101-3/+8
| | | | | | | | | | | | MERGE_VALUES nodes. Replacing the result values with the operands in one MERGE_VALUES node may cause another MERGE_VALUES node be CSE'd with the first one, and bring its uses along, so that the first one isn't dead, as this code expects. Fix this by iterating until the node is really dead. This fixes PR4699. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78619 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug where DAGCombine was producing an illegal ConstantFPDan Gohman2009-08-102-19/+12
| | | | | | | | node after legalize, and remove the workaround code from the ARM backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78615 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove MDNode from ValueMap when MDNode is destroyed.Devang Patel2009-08-102-1/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78612 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MVT to EVT, in preparation for splitting SimpleValueType out into its ↵Owen Anderson2009-08-1081-6370/+6370
| | | | | | own struct type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78610 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace, 80-column, and isTwoAddress -> Constraints = "" changes.Eric Christopher2009-08-101-32/+48
| | | | | | | No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78608 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MDNodeSet as MDNodes.Devang Patel2009-08-102-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78607 91177308-0d34-0410-b5e6-96231b3b80d8
* Use NEON for single-precision int<->FP conversions.David Goodwin2009-08-103-21/+63
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78604 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not rely on magic "llvm.dbg.*" global variable name to find debug info.Devang Patel2009-08-102-45/+48
| | | | | | | PIC16 developers, please verify. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78603 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep track of DIType.Devang Patel2009-08-101-3/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78602 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a bunch of debugging code that was slowing PBQP down by 25% or so.Owen Anderson2009-08-101-45/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78601 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up whitespace, remove commented out code.Eric Christopher2009-08-101-29/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78600 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/AsmParser: Disambiguate i64i8imm.Daniel Dunbar2009-08-101-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78598 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/AsmParser: Allow .td users to redefine the names of the methods to callDaniel Dunbar2009-08-101-4/+4
| | | | | | | | on target specific operands for testing class membership and converting to MCInst operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78597 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename ConvertType to ConvertConstant to avoid a name conflict on llvm-gcc.Daniel Dunbar2009-08-101-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78596 91177308-0d34-0410-b5e6-96231b3b80d8
* SimpleValueType-ify a few more methods on TargetLowering.Owen Anderson2009-08-103-18/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78595 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle the constantfp created during post-legalization dag combiner phase.Evan Cheng2009-08-101-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78594 91177308-0d34-0410-b5e6-96231b3b80d8
* Continue the SimpleValueType-ification.Owen Anderson2009-08-104-27/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78593 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/AsmMatcher: Fix thinko, Mem isn't a subclass of Imm.Daniel Dunbar2009-08-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78587 91177308-0d34-0410-b5e6-96231b3b80d8
* We are not using FoldingSet for metadata uniquing anymore.Devang Patel2009-08-101-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78585 91177308-0d34-0410-b5e6-96231b3b80d8
* Start moving TargetLowering away from using full MVTs and towards ↵Owen Anderson2009-08-1018-26/+34
| | | | | | SimpleValueType, which will simplify the privatization of IntegerType in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78584 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/AsmMatcher: Change assembler parser match classes to their own recordDaniel Dunbar2009-08-103-11/+18
| | | | | | | structure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78581 91177308-0d34-0410-b5e6-96231b3b80d8
* g++ 4.0 doesn't have std::vector::data.Benjamin Kramer2009-08-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78579 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the MDNode uniquing to a ValueMap, at Devang's request.Owen Anderson2009-08-104-35/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78577 91177308-0d34-0410-b5e6-96231b3b80d8
* split MachO section handling stuff out to its out .h/.cpp file.Chris Lattner2009-08-108-274/+285
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78576 91177308-0d34-0410-b5e6-96231b3b80d8
* arm only needs to emit one .align directive for hidden nlp's, not oneChris Lattner2009-08-101-1/+1
| | | | | | | per pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78574 91177308-0d34-0410-b5e6-96231b3b80d8
* make sure that arm nonlazypointers are aligned properlyChris Lattner2009-08-101-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78573 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a weird ppc64-specific link error during an llvm-gcc build:Chris Lattner2009-08-101-0/+2
| | | | | | | | | | | ld: bad offset (0x00000091) for lo14 instruction pic-base fix-up in ___popcountdi2 from libgcc/./_popcountsi2_s.o The problem is that the non lazy symbol pointers need to be 8 byte aligned on ppc64 and .section doesn't have an implicit alignment like ".non_lazy_symbol_pointer" does. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78572 91177308-0d34-0410-b5e6-96231b3b80d8
* fix some warnings for the MSVC build, by Yonggang Luo!Chris Lattner2009-08-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78571 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this comment more closely reflect the code.Dan Gohman2009-08-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78569 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for printing loop structure information in asm comments.David Greene2009-08-101-3/+99
| | | | | | | | | | | This definitely slows down asm output so put it under an -asm-exuberant flag. This information is useful when doing static analysis of performance issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78567 91177308-0d34-0410-b5e6-96231b3b80d8
* Checkpoint scheduling itinerary changes.David Goodwin2009-08-103-28/+53
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78564 91177308-0d34-0410-b5e6-96231b3b80d8
* Post RA scheduler changes. Introduce a hazard recognizer that uses the ↵David Goodwin2009-08-106-78/+331
| | | | | | target schedule information to accurately model the pipeline. Update the scheduler to correctly handle multi-issue targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78563 91177308-0d34-0410-b5e6-96231b3b80d8
* Watch out for empty BB.Evan Cheng2009-08-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78562 91177308-0d34-0410-b5e6-96231b3b80d8
* rev, rev16, and revsh do not set CPSR.Evan Cheng2009-08-101-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78561 91177308-0d34-0410-b5e6-96231b3b80d8
* Duh. Most 16-bit Thumb rr instructions are two-address. Fix table.Evan Cheng2009-08-101-9/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78560 91177308-0d34-0410-b5e6-96231b3b80d8
* CPSR can be livein; transfer predicate operands correctly; tMUL is two-address.Evan Cheng2009-08-101-19/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78559 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for folding loads / stores into 16-bit moves used by Thumb2.Evan Cheng2009-08-101-37/+61
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78558 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 col violation.Evan Cheng2009-08-101-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78557 91177308-0d34-0410-b5e6-96231b3b80d8
* Use tMOVgpr2gpr instead of t2MOVr.Evan Cheng2009-08-101-4/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78556 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for a user supplied pointer argument to llvm_install_error_handler.Daniel Dunbar2009-08-101-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78553 91177308-0d34-0410-b5e6-96231b3b80d8
* Move ConstantExpr handling to ResolveConstantExpr method and alsoBruno Cardoso Lopes2009-08-102-28/+87
| | | | | | | add support for PtrToInt, Add, Mul. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78552 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to reduce most of 32-bit Thumb2 arithmetic instructions.Evan Cheng2009-08-104-81/+161
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78550 91177308-0d34-0410-b5e6-96231b3b80d8
* Always use the 16-bit tMOVgpr2gpr instead of the 32-bit t2MOVr.Evan Cheng2009-08-101-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78549 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the big switch: Change MCSectionMachO to represent a section *semantically*Chris Lattner2009-08-106-123/+429
| | | | | | | | | | | | | | | | | | instead of syntactically as a string. This means that it keeps track of the segment, section, flags, etc directly and asmprints them in the right format. This also includes parsing and validation support for llvm-mc and "attribute(section)", so we should now start getting errors about invalid section attributes from the compiler instead of the assembler on darwin. Still todo: 1) Uniquing of darwin mcsections 2) Move all the Darwin stuff out to MCSectionMachO.[cpp|h] 3) there are a few FIXMEs, for example what is the syntax to get the S_GB_ZEROFILL segment type? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78547 91177308-0d34-0410-b5e6-96231b3b80d8
* Use abs64 instead abs; some platforms don't have a 64-bit abs overload. ↵Benjamin Kramer2009-08-091-1/+1
| | | | | | Noticed by Yonggang Luo! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78543 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to convert 32-bit instructions to 16-bit non-two-address ones.Evan Cheng2009-08-091-35/+96
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78540 91177308-0d34-0410-b5e6-96231b3b80d8
* always end a section with \n on elf.Chris Lattner2009-08-091-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78534 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/AsmParser: Implement user defined super classes.Daniel Dunbar2009-08-092-2/+27
| | | | | | | - We can now discriminate SUB32ri8 from SUB32ri, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78530 91177308-0d34-0410-b5e6-96231b3b80d8
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