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* PTX: Add preliminary support for floating-point divide and multiply-and-addJustin Holewinski2011-03-102-5/+104
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127410 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for MemoryBuffers that are not null terminated and addRafael Espindola2011-03-102-28/+77
| | | | | | support for creating buffers that cover only a part of a file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127409 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an option to disable critical edge splitting in PHIElimination.Cameron Zwarich2011-03-101-4/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127398 91177308-0d34-0410-b5e6-96231b3b80d8
* ptx: add the rest of special registers of ISA version 2.0Che-Liang Chiou2011-03-101-7/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127397 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the Spiller interface to take a LiveRangeEdit reference.Jakob Stoklund Olesen2011-03-107-50/+34
| | | | | | | This makes it possible to register delegates and get callbacks when the spiller edits live ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127389 91177308-0d34-0410-b5e6-96231b3b80d8
* Make SpillIs an optional pointer. Avoid creating a bunch of temporary ↵Jakob Stoklund Olesen2011-03-109-27/+22
| | | | | | SmallVectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127388 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak the CMake build.Francois Pichet2011-03-101-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127383 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 127359; it broke lencod.Stuart Hastings2011-03-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127382 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce DebugInfoProbe. This is used to monitor how llvm optimizer is ↵Devang Patel2011-03-103-3/+280
| | | | | | | | | | | | | | treating debugging information. It generates output that lools like 8 times line number info lost by Scalar Replacement of Aggregates (SSAUp) 1 times line number info lost by Simplify well-known library calls 12 times variable info lost by Jump Threading git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127381 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-commit 127368 and 127371. They are exonerated.Evan Cheng2011-03-103-11/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127380 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 127368 and 127371 for now.Evan Cheng2011-03-093-24/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127376 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the definition of TargetRegisterInfo::getCrossCopyRegClass to be moreEvan Cheng2011-03-093-11/+24
| | | | | | | | | | | | | | flexible. If it returns a register class that's different from the input, then that's the register class used for cross-register class copies. If it returns a register class that's the same as the input, then no cross- register class copies are needed (normal copies would do). If it returns null, then it's not at all possible to copy registers of the specified register class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127368 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a pasto that broke all x86_64-elf targets.Benjamin Kramer2011-03-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127365 91177308-0d34-0410-b5e6-96231b3b80d8
* Preserve line number information while simplifying libcalls.Devang Patel2011-03-091-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127362 91177308-0d34-0410-b5e6-96231b3b80d8
* X86 byval copies no longer always_inline. <rdar://problem/8706628>Stuart Hastings2011-03-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127359 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVM combines the offset mode of A8.6.199 A1 & A2 into STRBT.Johnny Chen2011-03-091-0/+3
| | | | | | | | | | The insufficient encoding information of the combined instruction confuses the decoder wrt UQADD16. Add extra logic to recover from that. Fixed an assert reported by Sean Callanan git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127354 91177308-0d34-0410-b5e6-96231b3b80d8
* Make these options hidden to reduce the amount of text -help puts on theEric Christopher2011-03-091-2/+4
| | | | | | | command line, they'll still be seen with -help-hidden. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127353 91177308-0d34-0410-b5e6-96231b3b80d8
* These llvm.dbg.* constants are not used anymore.Devang Patel2011-03-091-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127352 91177308-0d34-0410-b5e6-96231b3b80d8
* Make physreg coalescing independent on the number of uses of the virtual ↵Jakob Stoklund Olesen2011-03-091-3/+1
| | | | | | | | | | | | | | | | | register. The damage done by physreg coalescing only depends on the number of instructions the extended physreg live range covers. This fixes PR9438. The heuristic is still luck-based, and physreg coalescing really should be disabled completely. We need a register allocator with better hinting support before that is possible. Convert a test to FileCheck and force spilling by inserting an extra call. The previous spilling behavior was dependent on misguided physreg coalescing decisions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127351 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve varags handling, with testcases. Patch by Sasa StankovicBruno Cardoso Lopes2011-03-091-29/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127349 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve pre-RA-sched register pressure tracking for duplicate operands.Andrew Trick2011-03-091-1/+5
| | | | | | | This helps cases like 2008-07-19-movups-spills.ll, but doesn't have an obvious impact on benchmarks git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127347 91177308-0d34-0410-b5e6-96231b3b80d8
* Add createELFObjectTargetWriter method to TargetAsmBackend, which enables ↵Jan Sjödin2011-03-091-4/+10
| | | | | | construction of non-standard ELFObjectWriters that can be used in MCJIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127346 91177308-0d34-0410-b5e6-96231b3b80d8
* Add constructors to MCElfStreamer and MCObjectStreamer to take an extra ↵Jan Sjödin2011-03-092-0/+13
| | | | | | MCAssembler * argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127343 91177308-0d34-0410-b5e6-96231b3b80d8
* When SCEV can determine the loop test is X < X, set ExactBECount=0.Andrew Trick2011-03-091-1/+17
| | | | | | | | | When ExactBECount is a constant, use it for MaxBECount. When MaxBECount cannot be computed, replace it with ExactBECount. Fixes PR9424. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127342 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2011-03-091-18/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127340 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo, make helper static.Benjamin Kramer2011-03-091-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127335 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused virtual dtor.Benjamin Kramer2011-03-091-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127331 91177308-0d34-0410-b5e6-96231b3b80d8
* Target/X86: Tweak va_arg for Win64 not to miss taking va_start when number ↵NAKAMURA Takumi2011-03-091-3/+5
| | | | | | of fixed args > 4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127328 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix two cases I forgot to update when doing a mental "getSwappedPredicate".Nick Lewycky2011-03-091-2/+2
| | | | | | | Thanks Duncan Sands! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127323 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crasher introduced by r127317 that is seen on the bots when using anCameron Zwarich2011-03-091-18/+21
| | | | | | | alloca as both integer and floating-point vectors of the same size. Bugpoint is not cooperating with me, but I'll try to find a manual testcase tomorrow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127320 91177308-0d34-0410-b5e6-96231b3b80d8
* Add another micro-optimization. Apologies for the lack of refactoring, but INick Lewycky2011-03-091-2/+28
| | | | | | | | | | gave up when I realized I couldn't come up with a good name for what the refactored function would be, to describe what it does. This is PR9343 test12, which is test3 with arguments reordered. Whoops! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127318 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to scalar replacement for partial vector accesses of an alloca, e.g.Cameron Zwarich2011-03-091-12/+127
| | | | | | | | | | | | | | | | | a union of a float, <2 x float>, and <4 x float>. This mostly comes up with the use of vector intrinsics, especially in NEON when programmers know the layout of the register file. This enables codegen to eliminate a lot of the subregister traffic it would otherwise generate. This commit only enables this for a small number of floating-point cases, but a lot more integer cases. I assume this is okay for all ports, but I did not do extensive testing of the quality of code involving i512 vectors and the like. If there is a use case where this generates worse code than before, let me know and we can scale it back. This fixes <rdar://problem/9036264>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127317 91177308-0d34-0410-b5e6-96231b3b80d8
* Move vector type merging to a separate function in preparation for it gettingCameron Zwarich2011-03-091-12/+23
| | | | | | more complicated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127316 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a virtual dtor to Delegate to silence -Wnon-virtual-dtorMatt Beaumont-Gay2011-03-091-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127311 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9346: Prevent SimplifyDemandedBits from incorrectly introducingEli Friedman2011-03-091-0/+4
| | | | | | | | INT_MIN % -1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127306 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a LiveRangeEdit::Delegate protocol.Jakob Stoklund Olesen2011-03-094-7/+38
| | | | | | | This will we used for keeping register allocator data structures up to date while LiveRangeEdit is trimming live intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127300 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9420; an instruction before an unreachable is guaranteed not to have anyEli Friedman2011-03-091-1/+3
| | | | | | | | | | reachable uses, but there still might be uses in dead blocks. Use the standard solution of replacing all the uses with undef. This is a rare case because it's very sensitive to phase ordering in SimplifyCFG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127299 91177308-0d34-0410-b5e6-96231b3b80d8
* * Correct encoding for VSRI.Bill Wendling2011-03-091-25/+63
| | | | | | | * Add tests for VSRI and VSLI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127297 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete dead code.Jakob Stoklund Olesen2011-03-091-10/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127295 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct the encoding for VRSRA and VSRA instructions.Bill Wendling2011-03-091-13/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127294 91177308-0d34-0410-b5e6-96231b3b80d8
* * Fix VRSHR and VSHR to have the correct encoding for the immediate.Bill Wendling2011-03-081-33/+65
| | | | | | | * Update the NEON shift instruction test to expect what 'as' produces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127293 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete dead code after rematerializing.Jakob Stoklund Olesen2011-03-084-1/+107
| | | | | | | | LiveRangeEdit::eliminateDeadDefs() will eventually be used by coalescing, splitting, and spilling for dead code elimination. It can delete chains of dead instructions as long as there are no dependency loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127287 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm.dbg.declare intrinsic does not use any llvm::Values. It's magic!Devang Patel2011-03-083-41/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127282 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the build for MSVC 9 whose upper_bound() wants to compare elements in ↵Jakob Stoklund Olesen2011-03-081-0/+3
| | | | | | | | the sorted array. Patch by Olaf Krzikalla! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127264 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some latent bugs if the nodes are unschedulable. We'd gotten awayEric Christopher2011-03-082-1/+10
| | | | | | | | | | | | | with this before since none of the register tracking or nightly tests had unschedulable nodes. This should probably be refixed with a special default Node that just returns some "don't touch me" values. Fixes PR9427 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127263 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Make a comparator's argument `const'. This fixes the build forOscar Fuentes2011-03-081-1/+1
| | | | | | | | | | MSVC 9." The "fix" was meaningless. This reverts commit r127245. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127260 91177308-0d34-0410-b5e6-96231b3b80d8
* Darwin 'as' silently ignores the '.ident' directive.Jim Grosbach2011-03-081-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127258 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce vector reallocations.Benjamin Kramer2011-03-081-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127254 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Fix the (saddo/ssub x, 1) -> incl/decl selection to check the right ↵Benjamin Kramer2011-03-081-4/+4
| | | | | | | | operand for 1. Found by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127247 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: Add intrinsic support for ntid, ctaid, and nctaid registersJustin Holewinski2011-03-081-4/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127246 91177308-0d34-0410-b5e6-96231b3b80d8
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