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* Fix generation of multi-stage instruction itineraries. Patch byChris Lattner2008-04-061-2/+5
| | | | | | | | giuma.cordes@gmail.com git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49276 91177308-0d34-0410-b5e6-96231b3b80d8
* Move instruction flag inference out of InstrInfoEmitter and intoDan Gohman2008-04-038-152/+163
| | | | | | | | | | | | | CodeGenDAGPatterns, where it can be used in other tablegen backends. This allows the inference to be done for DAGISelEmitter so that it gets accurate mayLoad/mayStore/isSimpleLoad flags. This brings MemOperand functionality back to where it was before 48329. However, it doesn't solve the problem of anonymous patterns which expand to code that does loads or stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49123 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new CC lowering rule: provide a list of registers, which can be 'shadowed',Anton Korobeynikov2008-04-021-0/+42
| | | | | | | | when some another register is used for argument passing. Currently is used on Win64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49079 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner2008-04-012-4/+3
| | | | | | | | | start of a filename, not a filename+length. All clients can produce a null terminated name, and the system api's require null terminated strings anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the conversion from "0x" numbers to a single digit number.Bill Wendling2008-03-281-17/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48907 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix build breakage on Windows with GCC 4.3. References bug #2176.Mikhail Glushenkov2008-03-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48874 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit keywords.Dan Gohman2008-03-253-11/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48801 91177308-0d34-0410-b5e6-96231b3b80d8
* A quick nm audit turned up several fixed tables and objects that wereDan Gohman2008-03-251-3/+3
| | | | | | | | 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
* Add first proof-of-concept universal compiler driver framework basedAnton Korobeynikov2008-03-233-1/+973
| | | | | | | | | | on ideas mentioned in PR686. Written by Mikhail Glushenkov and contributed by Codedgers, Inc. Old llvmc will be removed soon after new one will have all its properties. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48699 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't strip things when we're doing a debug build.Bill Wendling2008-03-221-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48696 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new node for holding call argumentDuncan Sands2008-03-211-4/+4
| | | | | | | | | | | | | | | | | | flags. This is needed by the new legalize types infrastructure which wants to expand the 64 bit constants previously used to hold the flags on 32 bit machines. There are two functional changes: (1) in LowerArguments, if a parameter has the zext attribute set then that is marked in the flags; before it was being ignored; (2) PPC had some bogus code for handling two word arguments when using the ELF 32 ABI, which was hard to convert because of the bogusness. As suggested by the original author (Nicolas Geoffray), I've disabled it for the moment. Tested with "make check" and the Ada ACATS testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48640 91177308-0d34-0410-b5e6-96231b3b80d8
* detabify llvm, patch by Mike Stump!Chris Lattner2008-03-201-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48577 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for escaping {} in asm strings, based on patch from Nick Burns.Nate Begeman2008-03-171-1/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48450 91177308-0d34-0410-b5e6-96231b3b80d8
* Make insert_subreg a two-address instruction, vastly simplifying ↵Christopher Lamb2008-03-163-5/+16
| | | | | | LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48412 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove isImplicitDef TargetInstrDesc flag.Evan Cheng2008-03-153-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48381 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace all target specific implicit def instructions with a target ↵Evan Cheng2008-03-155-7/+27
| | | | | | independent one: TargetInstrInfo::IMPLICIT_DEF. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48380 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of a pseudo instruction and replace it with subreg based operation ↵Christopher Lamb2008-03-131-11/+6
| | | | | | | | | | on real instructions, ridding the asm printers of the hack used to do this previously. In the process, update LowerSubregs to be careful about eliminating copies that have side affects. Note: the coalescer will have to be careful about this too, when it starts coalescing insert_subreg nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48329 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommitting changes after more testing. These appear to cause no problems.Christopher Lamb2008-03-112-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48222 91177308-0d34-0410-b5e6-96231b3b80d8
* emit an ID # for each regclass ID. Chris doesn't like to have to count.Chris Lattner2008-03-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48200 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 48125, 48126, and 48130 for now to unbreak some x86-64 tests.Evan Cheng2008-03-102-8/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48167 91177308-0d34-0410-b5e6-96231b3b80d8
* Add nosubmit option to control what is sent back to the results server.Tanya Lattner2008-03-101-6/+7
| | | | | | | Patch by Joachim Durchholz. Thanks! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48139 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert accidentally committed local changes.Christopher Lamb2008-03-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48126 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support in TableGen for unknown operands that infer their type from the ↵Christopher Lamb2008-03-102-4/+10
| | | | | | pattern their used in. This will be used to allow insert/extract subreg patterns in .td files! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48125 91177308-0d34-0410-b5e6-96231b3b80d8
* Increase ISD::ParamFlags to 64 bits. Increase the ByValSizeDale Johannesen2008-03-101-2/+2
| | | | | | | | | | | | field to 32 bits, thus enabling correct handling of ByVal structs bigger than 0x1ffff. Abstract interface a bit. Fixes gcc.c-torture/execute/pr23135.c and gcc.c-torture/execute/pr28982b.c in gcc testsuite (were ICE'ing on ppc32, quietly producing wrong code on x86-32.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48122 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch fixes a problem encountered by the CellSPU backend where variantsScott Michel2008-03-052-53/+132
| | | | | | | | | | | | | | | were being pruned in patterns where a variable was used more than once, e.g.: (or (and R32C:$rA, R32C:$rC), (and R32C:$rB, (not R32C:$rC))) In this example, $rC is used more than once and is actually significant to instruction selection pattern matching when commuted variants are produced. This patch scans the pattern's clauses and collects the variables, creating a set of variables that are used more than once. TreePatternNode::isIsomorphicTo() also understands that multiply-used variables are significant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47950 91177308-0d34-0410-b5e6-96231b3b80d8
* install new lto dylib. pass down LLVM_SUBMIT_VERSIONNick Kledzik2008-02-291-3/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47763 91177308-0d34-0410-b5e6-96231b3b80d8
* fix default RC_ProjectSourceSubversion to be zeroNick Kledzik2008-02-291-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47761 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename PrintableName to Name.Bill Wendling2008-02-261-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47629 91177308-0d34-0410-b5e6-96231b3b80d8
* Change "Name" to "AsmName" in the target register info. Gee, a refactoring toolBill Wendling2008-02-261-2/+2
| | | | | | | would have been a Godsend here! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47625 91177308-0d34-0410-b5e6-96231b3b80d8
* De-tabify.Bill Wendling2008-02-262-19/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47595 91177308-0d34-0410-b5e6-96231b3b80d8
* Some platforms use the same name for 32-bit and 64-bit registers (likeBill Wendling2008-02-241-1/+11
| | | | | | | | | | %r3 on PPC) in their ASM files. However, it's hard for humans to read during debugging. Adding a new field to the register data that lets you specify a different name to be printed than the one that goes into the ASM file -- %x3 instead of %r3, for instance. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47534 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak build with gcc 4.3: provide missed includes and silence most ↵Anton Korobeynikov2008-02-206-6/+11
| | | | | | annoying warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
* Make tblgen a little smarter about constants smaller than i32. Currently,Scott Michel2008-02-152-8/+18
| | | | | | | | | | | | | | | | | | | | | | | | | tblgen will complain if a sign-extended constant does not fit into a data type smaller than i32, e.g., i16. This causes a problem when certain hex constants are used, such as 0xff for byte masks or immediate xor values. tblgen will try the sign-extended value first and, if the sign extended value would overflow, it tries to see if the unsigned value will fit. Consequently, a software developer can now safely incant: (XORHIr16 R16C:$rA, 0xffff) which is somewhat clearer and more informative than incanting: (XORHIr16 R16C:$rA, (i16 -1)) even if the two are bitwise equivalent. Tblgen also outputs the 64-bit unsigned constant in the generated ISel code when getTargetConstant() is invoked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47188 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite tblgen handling of subtarget features soDale Johannesen2008-02-141-2/+6
| | | | | | | | | | | | it follows the order of the enum, not alphabetical. The motivation is to make -mattr=+ssse3,+sse41 select SSE41 as it ought to. Added "ignored" enum values of 0 to PPC and SPU to avoid compiler warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47143 91177308-0d34-0410-b5e6-96231b3b80d8
* Change how FP immediates are handled. Nate Begeman2008-02-141-0/+13
| | | | | | | | | | | | | | | 1) ConstantFP is now expand by default 2) ConstantFP is not turned into TargetConstantFP during Legalize if it is legal. This allows ConstantFP to be handled like Constant, allowing for targets that can encode FP immediates as MachineOperands. As a bonus, fix up Itanium FP constants, which now correctly match, and match more constants! Hooray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47121 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Devang Patel2008-02-121-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47012 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MRegisterInfo to TargetRegisterInfo.Dan Gohman2008-02-101-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
* Tablegen support for insert & extract element matchingNate Begeman2008-02-092-1/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46901 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply the memory operand changes, with a fix for the staticDan Gohman2008-02-061-0/+28
| | | | | | | | | 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
* Fix PR1975: dag isel emitter produces patterns that isel wrong flag result.Evan Cheng2008-02-051-4/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46776 91177308-0d34-0410-b5e6-96231b3b80d8
* Dwarf requires variable entries to be in the source order. Right now, since ↵Evan Cheng2008-02-041-3/+0
| | | | | | we are recording variable information at isel time this means parameters would appear in the reverse order. The short term fix is to issue recordVariable() at asm printing time instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46724 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the 'global modification' APIs in SelectionDAG to take a newChris Lattner2008-02-031-22/+35
| | | | | | | | | | | DAGUpdateListener object pointer instead of just returning a vector of deleted nodes. This makes the interfaces more efficient (no more allocating a vector [at least a malloc], filling it in, then walking it) and more clean. This also allows the client to be notified of nodes that are *changed* but not deleted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46677 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of the annoying blank lines before labels.Evan Cheng2008-02-021-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46667 91177308-0d34-0410-b5e6-96231b3b80d8
* SDIsel processes llvm.dbg.declare by recording the variable debug ↵Evan Cheng2008-02-025-0/+38
| | | | | | | | | | information descriptor and its corresponding stack frame index in MachineModuleInfo. This only works if the local variable is "homed" in the stack frame. It does not work for byval parameter, etc. Added ISD::DECLARE node type to represent llvm.dbg.declare intrinsic. Now the intrinsic calls are lowered into a SDNode and lives on through out the codegen passes. For now, since all the debugging information recording is done at isel time, when a ISD::DECLARE node is selected, it has the side effect of also recording the variable. This is a short term solution that should be fixed in time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46659 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and ↵Evan Cheng2008-01-311-27/+0
| | | | | | re-commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46623 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an extra operand to LABEL nodes which distinguishes between debug, EH, ↵Evan Cheng2008-01-311-4/+7
| | | | | | or misc labels. This fixes the EH breakage. However I am not convinced this is *the* solution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46609 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow ComplexExpressions in InstrInfo.td files to be slightly more... ↵Christopher Lamb2008-01-313-6/+28
| | | | | | | | | | | complex! ComplexExpressions can now have attributes which affect how TableGen interprets the pattern when generating matchin code. The first (and currently, only) attribute causes the immediate parent node of the ComplexPattern operand to be passed into the matching code rather than the node at the root of the entire DAG containing the pattern. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46606 91177308-0d34-0410-b5e6-96231b3b80d8
* Create a new class, MemOperand, for describing memory referencesDan Gohman2008-01-311-0/+27
| | | | | | | | | | | | | | | | | in the backend. Introduce a new SDNode type, MemOperandSDNode, for holding a MemOperand in the SelectionDAG IR, and add a MemOperand list to MachineInstr, and code to manage them. Remove the offset field from SrcValueSDNode; uses of SrcValueSDNode that were using it are all all using MemOperandSDNode now. Also, begin updating some getLoad and getStore calls to use the PseudoSourceValue objects. Most of this was written by Florian Brander, some reorganization and updating to TOT by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46585 91177308-0d34-0410-b5e6-96231b3b80d8
* Always put version numbers at the end because they are optional.Devang Patel2008-01-302-12/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46563 91177308-0d34-0410-b5e6-96231b3b80d8
* Update this file for 2.0 syntax.Dan Gohman2008-01-291-9/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46512 91177308-0d34-0410-b5e6-96231b3b80d8
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