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2011-08-24Fix whitespace.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138487 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Basic tests for atomic load and store on x86.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138486 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Skip the landingpad instruction when determining the insertion point.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138481 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Basic x86 code generation for atomic load and store instructions.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Use getFirstInsertionPt instead of getFirstNonPHI so that it skips to the properBill Wendling
insertion place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138473 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Some minor updates to atomic acquire/release docs in LangRef.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138472 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Implement Constant::isAllOnesValue(). Fix ConstantFolding to use the new api.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138469 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24When printing Thumb1 NOP ('mov r8, r8'), make sure to print the predicate.Jim Grosbach
rdar://10015134 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138467 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Mark VZEROALL as clobbering all YMM registersBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138461 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Add missing explicit writeback operand to tSTMIA_UPD.Jim Grosbach
rdar://10014745 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138457 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Move TargetRegistry and TargetSelect from Target to Support where they belong.Evan Cheng
These are strictly utilities for registering targets and components. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Fix a crashing bug in SplitBlock when it is called on a block with noRafael Espindola
dominator information even though dominators were previously computed. Patch by Nick Sumner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138449 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Thumb add SP assembly syntax fix.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138448 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Thumb1 ADD/SUB SP instructions are predicable in Thumb2 mode.Jim Grosbach
Add the predicate operand to the instructions. Update the back end accordingly where the instructions are used. Restrict the SP operands to actually only be SP, as otherwise these break assembly parsing for the normal instruction variants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138445 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Be stricter in enforcing IT instruction predicate values, so that we don't ↵Owen Anderson
end up trying to print out an illegal predicate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138443 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Port over more encoding tests to decoding tests.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Tidy up. Trailing whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138437 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Add Uses=[SP] to call instructions. This fixes a miscompilation with aRichard Osborne
variable sized alloca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Break 256-bit vector int add/sub/mul into two 128-bit operations to avoid ↵Craig Topper
costly scalarization. Fixes PR10711. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Add the sentinal "no handle" value to the ResumeInst.Bill Wendling
A value of -1 at a call site tells the personality function that this call isn't handled by the current function. Since the ResumeInsts are converted to calls to _Unwind_SjLj_Resume, add a (volatile) store of -1 to its 'call site'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138416 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Don't replace *all* uses with the new stuff.Bill Wendling
This is not necessarily the first or dominating use of the EH values. The IR breaks if it's not. So replace the specific value in the instruction with the new value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138406 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Look at the end of the entry block for an invoke.Bill Wendling
The invoke could be at the end of the entry block. If it's the only one, then we won't process all of the landingpad instructions correctly. This code is currently ugly, but should be made much nicer once the new EH switch is thrown. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138397 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix a nasty bug where a v4i64 was being wrong emitted with 32-bitBruno Cardoso Lopes
permutations. Also tidy up some patterns and make them close to their instruction definition! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138392 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23A landingpad instruction is neither folded nor dead.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138387 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Move ARM frame-unwinding EHABI handling a touch earlier.Jim Grosbach
It should go before AsmPrinter MC pseudo expansion since it's based on MachineInstr, not MCInst. Otherwise any frame related pseudo instructions may be missed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138386 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[SU]XT[BH] are only available on ARMv6 and up.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138373 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Add some useful accessors to c++ api that appear to be missing from the c apiNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138371 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Some refactoring so TargetRegistry.h no longer has to include any filesEvan Cheng
from MC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Revert "Address Duncan's CR request:"Eric Christopher
This reverts commit 20a05be15ea5271ab6185b83200fa88263362400. (svn rev 138340) Conflicts: test/Transforms/InstCombine/bitcast.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for WFE, WFI and YIELD.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for UXTB and UXTH.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138363 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for TST.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138362 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for SXTB and SXTH.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138361 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for SVC.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138360 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for SUB.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138359 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix 80 col violations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138356 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23PerformSubCombine to work on integers larger than i128. Fixes a crasher.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138354 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for STRH.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thread safety: Adding in an option for variadic expr* array of argumentsCaitlin Sadowski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138351 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for STRB.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for tSTRspi.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for STR.Jim Grosbach
Not including tSTRspi. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix an example in the documentation.Rafael Espindola
Patch by Sanjoy Das! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138346 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Thumb parsing and encoding for STM.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138345 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Factor low reg checking into a helper function.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138344 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix a typo in the test from the previous commit.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138342 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix decoding of Thumb2 prefetch instructions, which account for all the ↵Owen Anderson
remaining Thumb2 decoding failures found by randomized testing so far. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Address Duncan's CR request:Nadav Rotem
1. Cleanup the tests in ConstantFolding.cpp 2. Implement isAllOnes for Constant, ConstantFP, ConstantVector git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138340 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix Thumb2 decoding of CPS instructions to mirror ARM decoding of the same ↵Owen Anderson
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Clean up Thumb load/store multiple definitions.Jim Grosbach
There is no non-writeback store multiple instruction in Thumb1, so don't define one. As a result load multiple is the only instantiation of the multiclass, so refactor that away entirely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138338 91177308-0d34-0410-b5e6-96231b3b80d8
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