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* LLVM_ON_WIN32 is not defined on config-ix.cmake. Use something else.Oscar Fuentes2011-02-041-4/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124857 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the tablegenned files to the `clean' target.Oscar Fuentes2011-02-041-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124854 91177308-0d34-0410-b5e6-96231b3b80d8
* Introducing a new method of tracking register pressure. We can'tAndrew Trick2011-02-045-120/+176
| | | | | | | | | | | | | | | | precisely track pressure on a selection DAG, but we can at least keep it balanced. This design accounts for various interesting aspects of selection DAGS: register and subregister copies, glued nodes, dead nodes, unused registers, etc. Added SUnit::NumRegDefsLeft and ScheduleDAGSDNodes::RegDefIter. Note: I disabled PrescheduleNodesWithMultipleUses when register pressure is enabled, based on no evidence other than I don't think it makes sense to have both enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124853 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugLoc associated with a machine instruction is used to emit location ↵Devang Patel2011-02-043-22/+101
| | | | | | entries. DebugLoc associated with a DBG_VALUE is used to identify lexical scope of the variable. After register allocation, while inserting DBG_VALUE remember original debug location for the first instruction and reuse it, otherwise dwarf writer may be mislead in identifying the variable's scope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124845 91177308-0d34-0410-b5e6-96231b3b80d8
* Update comments.Evan Cheng2011-02-041-2/+3
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* Skip unused values.Jakob Stoklund Olesen2011-02-041-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124842 91177308-0d34-0410-b5e6-96231b3b80d8
* Also compute interference intervals for blocks with no uses.Jakob Stoklund Olesen2011-02-041-3/+1
| | | | | | | | When the live range is live through a block that doesn't use the register, but that has interference, region splitting wants to split at the top and bottom of the basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124839 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify kill flags conservatively.Jakob Stoklund Olesen2011-02-041-18/+5
| | | | | | | | | | Allow a live range to end with a kill flag, but don't allow a kill flag that doesn't end the live range. This makes the machine code verifier more useful during register allocation when kill flag computation is deferred. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124838 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up a bit.Jim Grosbach2011-02-031-3/+3
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* Do not sign extend floating-point values in the asm parser.Bob Wilson2011-02-031-1/+1
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* Remove trailing whitespaceBob Wilson2011-02-031-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124830 91177308-0d34-0410-b5e6-96231b3b80d8
* Edit a comment for consistency.Bob Wilson2011-02-031-1/+1
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* whitespaceAndrew Trick2011-02-031-18/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124827 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyCFG: Also transform switches that represent a range comparison but ↵Benjamin Kramer2011-02-032-6/+57
| | | | | | | | are not sorted into sub+icmp. This transforms another 1000 switches in gcc.c. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124826 91177308-0d34-0410-b5e6-96231b3b80d8
* Moved to Clang's source tree its configuration options and associatedOscar Fuentes2011-02-032-24/+0
| | | | | | macros. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124824 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor the computation of the basename of libraries. This avoids renamingRafael Espindola2011-02-031-5/+7
| | | | | | | them on install. Before we would have LLVMgold.so on the build directory but libLLVMgold.so on the install dir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124821 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80-column violations and whitespace.Bob Wilson2011-02-032-4/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124819 91177308-0d34-0410-b5e6-96231b3b80d8
* Changes for building Clang and others using LLVM as an externalOscar Fuentes2011-02-037-157/+186
| | | | | | | | | | | | | library. Installs tblgen (required by Clang). Translates handling of user settings and platform-dependant options to its own file, where it can included by another project. Installs the .cmake files required by projects like Clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124816 91177308-0d34-0410-b5e6-96231b3b80d8
* Ensure that the computed interference intervals actually overlap their basic ↵Jakob Stoklund Olesen2011-02-031-3/+12
| | | | | | blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124815 91177308-0d34-0410-b5e6-96231b3b80d8
* Tweak debug output from SlotIndexes.Jakob Stoklund Olesen2011-02-031-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124814 91177308-0d34-0410-b5e6-96231b3b80d8
* Add debug output and asserts to the phi-connecting code.Jakob Stoklund Olesen2011-02-031-2/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124813 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix coloring bug when mapping values in the middle of a live-through block.Jakob Stoklund Olesen2011-02-031-7/+7
| | | | | | | | | | If the found value is not live-through the block, we should only add liveness up to the requested slot index. When the value is live-through, the whole block should be colored. Bug found by SSA verification in the machine code verifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124812 91177308-0d34-0410-b5e6-96231b3b80d8
* Return live range end points from SplitEditor::enter*/leave*.Jakob Stoklund Olesen2011-02-033-62/+48
| | | | | | | These end points come from the inserted copies, and can be passed directly to useIntv. This simplifies the coloring code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124799 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence an MSVC warningJakob Stoklund Olesen2011-02-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124798 91177308-0d34-0410-b5e6-96231b3b80d8
* [AVX] VEXTRACTF128 support. This commit includes patterns forDavid Greene2011-02-034-0/+76
| | | | | | | | | | | matching EXTRACT_SUBVECTOR to VEXTRACTF128 along with support routines to examine and translate index values. VINSERTF128 comes next. With these two in place we can begin supporting more AVX operations as INSERT/EXTRACT can be used as a fallback when 256-bit support is not available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124797 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsics for resource instructions.Richard Osborne2011-02-033-4/+168
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* cmake/*: Add svn:eol-style=native and fix CRLF.NAKAMURA Takumi2011-02-032-40/+39
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* Improve threading of comparisons over select instructions (spotted by myDuncan Sands2011-02-032-3/+60
| | | | | | | | | | | auto-simplifier). This has a big impact on Ada code, but not much else. Unfortunately the impact is mostly negative! This is due to PR9004 (aka SCCP failing to resolve conditional branch conditions in the destination blocks of the branch), in which simple correlated expressions are not resolved but complicated ones are, so simplifying has a bad effect! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124788 91177308-0d34-0410-b5e6-96231b3b80d8
* Part of this test is invariant inside the inner loop - move it outsideDuncan Sands2011-02-031-14/+16
| | | | | | | the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124784 91177308-0d34-0410-b5e6-96231b3b80d8
* test/Makefile: "check-all" should update tools/clang/test/Unit/lit.site.cfg, ↵NAKAMURA Takumi2011-02-031-1/+1
| | | | | | too. Follow up to clang r124777. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124783 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply this.Eric Christopher2011-02-035-225/+182
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* Temporarily revert 124765 in an attempt to find the cycle breaking bootstrap.Eric Christopher2011-02-035-182/+225
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124778 91177308-0d34-0410-b5e6-96231b3b80d8
* Platform tests for `sys/uio.h' header and `writev' function.Oscar Fuentes2011-02-032-0/+10
| | | | | | This is the cmake equivalent for r124769. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124775 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -march to fix the bots.Rafael Espindola2011-02-031-1/+1
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* Fix PR9127 by reversing the operands even if they have more then one use.Rafael Espindola2011-02-032-2/+14
| | | | | | | | Reversing the operands allows us to fold, but doesn't force us to. Also, at this point the DAG is still being optimized, so the check for hasOneUse is not very precise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124773 91177308-0d34-0410-b5e6-96231b3b80d8
* raw_fd_ostream: Add a SetUseAtomicWrites() method (uses writev).Daniel Dunbar2011-02-032-3/+35
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* Regenerate configure.Daniel Dunbar2011-02-032-2/+10
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* configure: Add checks for <sys/uio.h> and writev().Daniel Dunbar2011-02-031-2/+2
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* Defer SplitKit value mapping until all defs are available.Jakob Stoklund Olesen2011-02-035-225/+182
| | | | | | | | | | | | | | | | | | | The greedy register allocator revealed some problems with the value mapping in SplitKit. We would sometimes start mapping values before all defs were known, and that could change a value from a simple 1-1 mapping to a multi-def mapping that requires ssa update. The new approach collects all defs and register assignments first without filling in any live intervals. Only when finish() is called, do we compute liveness and mapped values. At this time we know with certainty which values map to multiple values in a split range. This also has the advantage that we can compute live ranges based on the remaining uses after rematerializing at split points. The current implementation has many opportunities for compile time optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124765 91177308-0d34-0410-b5e6-96231b3b80d8
* Update docs to match reality.Devang Patel2011-02-031-10/+9
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* Fix typo in comment.Devang Patel2011-02-031-1/+1
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* Add support to describe template value parameter in debug info.Devang Patel2011-02-026-1/+89
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124755 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to describe template parameter type in debug info.Devang Patel2011-02-026-3/+97
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124752 91177308-0d34-0410-b5e6-96231b3b80d8
* Reenable the transform "(X*Y)/Y->X" when the multiplication is known not toDuncan Sands2011-02-022-5/+9
| | | | | | | | | overflow (nsw flag), which was disabled because it breaks 254.gap. I have informed the GAP authors of the mistake in their code, and arranged for the testsuite to use -fwrapv when compiling this benchmark. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124746 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed the TableGen created MatchInstructionImpl() setting of ErrorInfo.Kevin Enderby2011-02-021-3/+1
| | | | | | | | | | | | The algorithm for identifying which operand is invalid will now always point to some operand and not the mnemonic sometimes. The change is now that ErrorInfo is the index of the highest operand that does not match for any of the matching mnemonics records. And no longer the ~0U value when the mnemonic matches and not every record with a matching mnemonic has the same mismatching operand index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124734 91177308-0d34-0410-b5e6-96231b3b80d8
* Update comment to match my recent change.Bob Wilson2011-02-021-2/+2
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* SimplifyCFG: Turn switches into sub+icmp+branch if possible.Benjamin Kramer2011-02-024-70/+39
| | | | | | | | | | | | | | | | | This makes the job of the later optzn passes easier, allowing the vast amount of icmp transforms to chew on it. We transform 840 switches in gcc.c, leading to a 16k byte shrink of the resulting binary on i386-linux. The testcase from README.txt now compiles into decl %edi cmpl $3, %edi sbbl %eax, %eax andl $1, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124724 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for trampolines on the XCore.Richard Osborne2011-02-025-1/+109
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* Remove NoVendor and NoOS, added in commit 123990, from Triple. While itDuncan Sands2011-02-023-74/+56
| | | | | | | | | | may be useful to understand "none", this is not the place for it. Tweak the fix to Normalize while there: the fix added in 123990 works correctly, but I like this way better. Finally, now that Triple understands some non-trivial environment values, teach the unittests about them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124720 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove wasteful caching. This isn't needed for correctness because any functionNick Lewycky2011-02-021-23/+2
| | | | | | | | | that might have changed been affected by a merge elsewhere will have been removed from the function set, and it isn't needed for performance because we call grow() ahead of time to prevent reallocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124717 91177308-0d34-0410-b5e6-96231b3b80d8
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