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2011-09-09Don't tack "Instruction not interpretable yet!" onto the end ofDuncan Sands
the instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139398 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Thumb2 assembly parsing and encoding for LDRSB.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139389 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Drop support for Allegrex. Allegrex implements a variant of Mips2.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139383 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Thumb2 assembly parsing and encoding for LDREX/LDREXB/LDREXD/LDREXH.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139381 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Reapply r139247: Cache intermediate results during traceSiblingValue.Jakob Stoklund Olesen
In some cases such as interpreters using indirectbr, the CFG can be very complicated, and live range splitting may be forced to insert a large number of phi-defs. When that happens, traceSiblingValue can spend a lot of time zipping around in the CFG looking for defs and reloads. This patch causes more information to be cached in SibValues, and the cached values are used to terminate searches early. This speeds up spilling by 20x in one interpreter test case. For more typical code, this is just a 10% speedup of spilling. The previous version had bugs that caused miscompilations. They have been fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139378 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Comment formatting.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Fix handling of Intel syntax disassembling of movs and stos to stop being ↵Craig Topper
blank. Also fixed scas, and cmps to always print size suffix in Intel syntax since its abiguous without arguments. Fixes PR10875. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Change default target architecture from Mips1 to Mips32r1 in preparation forAkira Hatanaka
removing support for Mips1 and Mips2. This change and the ones that follow have been discussed with and approved by Bruno. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139344 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Remove dead code.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139343 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Fix release build:Nick Lewycky
MachOObjectFile.cpp:524: error: unused variable 'NumLoadCommands' [-Wunused-variable] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-0980 columns.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Directly point debug info to the stack slot of the arugment, instead of ↵Devang Patel
trying to keep track of vreg in which it the arugment is copied. The LiveDebugVariable can keep track of variable's ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08All conditional branches are disallowed in IT blocks, not just CBZ/CBNZ.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139329 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Soft fail CBZ/CBNZ in the disassembler if they appear inside an IT block.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139328 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Formatting and typo.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139325 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Dix the 80-columns and remove unsupported v8i16 type from the list of legal ↵Nadav Rotem
vselect types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139324 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Thumb2 assembly parsing and encoding for LDRD(immediate).Jim Grosbach
Refactor operand handling for STRD as well. Tests for that forthcoming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Add a AVX version of a simple i64 -> f64 bitcast. This could beBruno Cardoso Lopes
triggered using llc with -O0, which wouldn't let it be folded and expose the lack of this pattern. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139320 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Fix a Darwin x86_64 special case of a jmp to a temporary symbol from an atomKevin Enderby
without a base symbol that must not have a relocation entry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139316 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Add support for relocations to ObjectFile.Benjamin Kramer
Patch by Danil Malyshev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08* Combines Alignment, AuxInfo, and TB_NOT_REVERSABLE flag into aBruno Cardoso Lopes
single field (Flags), which is a bitwise OR of items from the TB_* enum. This makes it easier to add new information in the future. * Gives every static array an equivalent layout: { RegOp, MemOp, Flags } * Adds a helper function, AddTableEntry, to avoid duplication of the insertion code. * Renames TB_NOT_REVERSABLE to TB_NO_REVERSE. * Adds TB_NO_FORWARD, which is analogous to TB_NO_REVERSE, except that it prevents addition of the Reg->Mem entry. (This is going to be used by Native Client, in the next CL). Patch by David Meyer git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139311 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Add AVX versions of blend vector operations and fix some issues noticedBruno Cardoso Lopes
in Nadav's r139285 and r139287 commits. 1) Rename vsel.ll to a more descriptive name 2) Change the order of BLEND operands to "Op1, Op2, Cond", this is necessary because PBLENDVB is already used in different places with this order, and it was being emitted in the wrong way for vselect 3) Add AVX patterns and tests for the same SSE41 instructions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Fix PR10844: Add patterns to cover non foldable versions of X86vzmovl.Bruno Cardoso Lopes
Triggered using llc -O0. Also fix some SET0PS patterns to their AVX forms and test it on the testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139304 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Add X86-SSE4 codegen support for vector-select.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139285 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08A couple minor corrections to r139276.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Fix the logic in BasicAliasAnalysis::aliasGEP for comparing GEP's with ↵Eli Friedman
variable differences so that it actually does something sane. Fixes PR10881. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139276 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Thumb2 assembly parsing and encoding for LDR post-indexed.Jim Grosbach
More cleanup of the general indexed addressing T2 instructions. Still more to do, especially for stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139272 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Thumb2 assembly parsing and encoding for LDR pre-indexed w/ writeback.Jim Grosbach
Adjust encoding of writeback load/store instructions to better reflect the way the operand types are represented. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139270 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Remove the "common" set of instructions shared between ARM and Thumb2 modes. ↵Owen Anderson
This is no longer needed now that Thumb2 has its own copy of the STC/LDC instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139268 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 assembly parsing and encoding for LDRBT.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139267 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 assembly parsing and encoding for LDR(register).Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139264 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Add two notes for correlated-expression optimizations.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Revert r139247 "Cache intermediate results during traceSiblingValue."Jakob Stoklund Olesen
It broke the self host and clang-x86_64-darwin10-RA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 assembly parsing and encoding for LDRB(immediate).Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139258 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Create Thumb2 versions of STC/LDC, and reenable the relevant tests.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139256 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 parsing and encoding for LDR(immediate).Jim Grosbach
The immediate offset of the non-writeback i8 form (encoding T4) allows negative offsets only. The positive offset form of the encoding is the LDRT instruction. Immediate offsets in the range [0,255] use encoding T3 instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139254 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 parsing and encoding for LDMDB.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139251 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Second of a three-patch series aiming to fix MSR/MRS on Cortex-M. This adds ↵James Molloy
predicate checking to the Disassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Cache intermediate results during traceSiblingValue.Jakob Stoklund Olesen
In some cases such as interpreters using indirectbr, the CFG can be very complicated, and live range splitting may be forced to insert a large number of phi-defs. When that happens, traceSiblingValue can spend a lot of time zipping around in the CFG looking for defs and reloads. This patch causes more information to be cached in SibValues, and the cached values are used to terminate searches early. This speeds up spilling by 20x in one interpreter test case. For more typical code, this is just a 10% speedup of spilling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139247 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Fix atomic load and store on x86 to pass -verify-machineinstrs (and possibly ↵Eli Friedman
fix some subtle bugs involving passes which check mayStore()). This isn't exactly ideal, but it is good enough for the moment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 ldm/stm 'db' mnemonics don't have a '.w' suffix.Jim Grosbach
There is no 16-bit wide encoding, so the .w suffix isn't needed (indeed, isn't documented as allowed). Also add the missing '!' token on the _UPD variant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 parsing and encoding for LDMIA.Jim Grosbach
Choose 32-bit vs. 16-bit encoding when there's no .w suffix in post-processing as match classes are insufficient to handle the context-sensitiveness of the writeback operand's legality for the 16-bit encodings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139242 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Port more assembler tests over to disassembler tests, and fix a minor logic ↵Owen Anderson
error that exposed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139240 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= ↵James Molloy
handling to llvm-mc. Reviewed by Owen Anderson. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Thumb2 use 'ldm' as default mnemonic.Jim Grosbach
Handle explicit 'ia' suffix via a MnemonicAlias (pre-existing). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139234 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Detect attempt to use segmented stacks on non ELF systems and errorRafael Espindola
(not assert) early. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139233 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Better diagnostic location information for mnemonic suffices.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Relax the MemOperands on atomics a bit. Fixes -verify-machineinstrs ↵Eli Friedman
failures for atomic laod/store on ARM. (The fix for the related failures on x86 is going to be nastier because we actually need Acquire memoperands attached to the atomic load instrs, etc.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139221 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07While sinking machine instructions, sink matching DBG_VALUEs also otherwise ↵Devang Patel
live debug variable pass will drop DBG_VALUEs on the floor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06Reenable compact unwind by default. However, also emit the old version of unwindBill Wendling
information for older linkers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139206 91177308-0d34-0410-b5e6-96231b3b80d8
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