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* Remove test/FrontendC, almost all of the tests have been migratedEric Christopher2011-07-26362-5534/+0
| | | | | | | to clang now, the rest are in process (6) or have been deleted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136191 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for multi-way live range splitting.Jakob Stoklund Olesen2011-07-261-64/+165
| | | | | | | | | | | | | | | | | | | | | When splitting global live ranges, it is now possible to split for multiple destination intervals at once. Previously, we only had the main and stack intervals. Each edge bundle is assigned to a split candidate, and splitAroundRegion will insert copies between the candidate intervals and the stack interval as needed. The multi-way splitting is used to split around compact regions when enabled with -compact-regions. The best candidate register still gets all the bundles it wants, but everything outside the main interval is first split around compact regions before we create single-block intervals. Compact region splitting still causes some regressions, so it is not enabled by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136186 91177308-0d34-0410-b5e6-96231b3b80d8
* Print out the MBB live-in registers.Jakob Stoklund Olesen2011-07-261-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136178 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate copies of undefined values during coalescing.Jakob Stoklund Olesen2011-07-263-0/+80
| | | | | | | | | | These copies would coalesce easily, but the resulting value would be defined by a deleted instruction. Now we also remove the undefined value number from the destination register. This fixes PR10503. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136174 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test.Benjamin Kramer2011-07-261-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136170 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a neat little two's complement hack for x86.Benjamin Kramer2011-07-263-28/+49
| | | | | | | | | | On x86 we can't encode an immediate LHS of a sub directly. If the RHS comes from a XOR with a constant we can fold the negation into the xor and add one to the immediate of the sub. Then we can turn the sub into an add, which can be commuted and encoded efficiently. This code is generated for __builtin_clz and friends. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136167 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize unpckh* masks and match 256-bit versions. The new versions areBruno Cardoso Lopes2011-07-2611-132/+148
| | | | | | | different from the previous 128-bit because they work in lanes. Update a few comments and add testcases git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136157 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete unnecessarily cautious LastCALLSEQ code.Dan Gohman2011-07-261-14/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136156 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM rot_imm printing adjustment.Jim Grosbach2011-07-263-9/+9
| | | | | | | | Allow the rot_imm operand to be optional. This sets the stage for refactoring away the "rr" versions from the multiclasses and replacing them with Pat<>s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136154 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cleanup of rot_imm encoding.Jim Grosbach2011-07-268-44/+47
| | | | | | | | | Start of cleaning this up a bit. First step is to remove the encoder hook by storing the operand as the bits it'll actually encode to so it can just be directly used. Map it to the assembly source values 8/16/24 when we print it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136152 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent x86-specific DAGCombine from creating nodes with illegal type (which ↵Eli Friedman2011-07-262-3/+3
| | | | | | could not be selected). Fixes a minor isel issue that was breaking the testcase from r136130. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136148 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove one last reference to Target in MC library.Evan Cheng2011-07-261-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136145 91177308-0d34-0410-b5e6-96231b3b80d8
* Split am2offset into register addend and immediate addend forms, necessary ↵Owen Anderson2011-07-268-51/+165
| | | | | | for allowing the fixed-length disassembler to distinguish between SBFX and STR_PRE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136141 91177308-0d34-0410-b5e6-96231b3b80d8
* Update generated code to use new API of GetElementPtrInst::Create.Nicolas Geoffray2011-07-261-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136138 91177308-0d34-0410-b5e6-96231b3b80d8
* FileCheck'ize test.Jim Grosbach2011-07-261-20/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136135 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo.Bill Wendling2011-07-261-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136133 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix over-zealous rename from r136095.Jim Grosbach2011-07-261-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136132 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL this test while I investigate it; it's failing for an unexpected reason.Eli Friedman2011-07-261-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136131 91177308-0d34-0410-b5e6-96231b3b80d8
* Add obvious missing case to switch. PR10497.Eli Friedman2011-07-262-2/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136130 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a couple minor mistakes pointed out by Bill in adding 'fence' instruction.Eli Friedman2011-07-262-24/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136124 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix llvm-mc target detection code to match llc.Evan Cheng2011-07-261-12/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136115 91177308-0d34-0410-b5e6-96231b3b80d8
* Updating stale documentation on regalloc modes.Andrew Trick2011-07-261-7/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136112 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the correct for for the version. It's little endian and my brain isBill Wendling2011-07-261-1/+1
| | | | | | | | obviously big endian. :-) PR10502 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136111 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM diagnostics for ldrexd/stredx out of order paired register operands.Jim Grosbach2011-07-262-1/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136110 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove now unused patterns. 0 insertions(+), 98 deletions(-)Bruno Cardoso Lopes2011-07-261-98/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136109 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup old matching for PUNPCK* variantsBruno Cardoso Lopes2011-07-261-44/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136108 91177308-0d34-0410-b5e6-96231b3b80d8
* While extracting lexical scopes from machine instruction stream, work on one ↵Devang Patel2011-07-261-9/+9
| | | | | | machine basic block at a time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136106 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM parsing and encoding tests for load/store exclusive instructions.Jim Grosbach2011-07-262-24/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136105 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM fix for LDREX source register encoding.Jim Grosbach2011-07-261-2/+2
| | | | | | | rdar://9842203 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136102 91177308-0d34-0410-b5e6-96231b3b80d8
* SCEV: Added a data structure for storing not-taken info per loopAndrew Trick2011-07-262-186/+333
| | | | | | | | exit. Added an interfaces for querying either the loop's exact/max backedge taken count or a specific loop exit's not-taken count. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136100 91177308-0d34-0410-b5e6-96231b3b80d8
* Strip trailing whitespace.Duncan Sands2011-07-261-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136099 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding for SWP[B] instructions.Jim Grosbach2011-07-263-6/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136098 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM SWP instructions store, too, not just load.Jim Grosbach2011-07-261-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136096 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the ARM asm parser a bit.Jim Grosbach2011-07-263-93/+95
| | | | | | | | No intendeded functional change. Just cleaning up a bit to make things more self-consistent in layout and style. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136095 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM fix asm parsing range check for [0,31] immediates.Jim Grosbach2011-07-261-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136091 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM parsing and encoding for SVC instruction.Jim Grosbach2011-07-266-4/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136090 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding tests for SUB instruction.Jim Grosbach2011-07-261-0/+60
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136089 91177308-0d34-0410-b5e6-96231b3b80d8
* Update ARM STM tests. Fix check: prefix for diagnostic tests.Jim Grosbach2011-07-262-80/+89
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136088 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the Triple class about kfreebsd (FreeBSD kernel withDuncan Sands2011-07-262-0/+4
| | | | | | | a GNU userspace). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136085 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVMAddAlwaysInlinerPass to the C API.Rafael Espindola2011-07-262-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136083 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVM 3.0 is here, remove old do nothing method.Rafael Espindola2011-07-262-8/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136082 91177308-0d34-0410-b5e6-96231b3b80d8
* SrcDef is only written and never read. Remove it.Duncan Sands2011-07-261-8/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136080 91177308-0d34-0410-b5e6-96231b3b80d8
* Add helper function for getting true/false constants in a uniformDuncan Sands2011-07-261-34/+48
| | | | | | | | way for i1 and vector of i1 types. Use these to make some code more self-documenting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136079 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the HTML here a bit.Bill Wendling2011-07-261-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136074 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo in comment.Jay Foad2011-07-261-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136068 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to dereference syms[0] on an empty vector. Reported by Todd JacksonNick Lewycky2011-07-261-0/+2
| | | | | | | and Jeffrey Bosboom! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136066 91177308-0d34-0410-b5e6-96231b3b80d8
* The compact unwinding offsets are divided by 8 on 64-bit machines.Bill Wendling2011-07-261-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136065 91177308-0d34-0410-b5e6-96231b3b80d8
* Describe the reasoning for compact unwind in better terms. Thanks to Nick ↵Bill Wendling2011-07-261-19/+23
| | | | | | Kledzik for the description. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136064 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 256-bit isel for movsldup/movshdupBruno Cardoso Lopes2011-07-262-21/+62
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136051 91177308-0d34-0410-b5e6-96231b3b80d8
* More movsldup/movshdup cleanup. Rewrite the mask matching function and addBruno Cardoso Lopes2011-07-262-37/+44
| | | | | | support for 256-bit versions (but no instruction selection yet, coming next). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136050 91177308-0d34-0410-b5e6-96231b3b80d8
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