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2010-01-13Fix a comment.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93284 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13Update CMake file.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93283 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13Remove the JustSP single-register regclass.Jakob Stoklund Olesen
It was only being used by instructions with the t_addrmode_sp addressing mode, and that is pattern matched in a way that guarantees SP is used. There is never any register allocation done from this class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93280 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13Try to fix the ARM and PPC buildbots. The -mattr=vector-unaligned-memJeffrey Yasskin
flag doesn't exist there, and this is an x86 test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13Add a quick pass to optimize sign / zero extension instructions. For targets ↵Evan Cheng
where the pre-extension values are available in the subreg of the result of the extension, replace the uses of the pre-extension value with the result + extract_subreg. For now, this pass is fairly conservative. It only perform the replacement when both the pre- and post- extension values are used in the block. It will miss cases where the post-extension values are live, but not used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93278 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-13Further progration of metadata operands. TheDale Johannesen
dumper doesn't really do what I want yet, but at least it doesn't crash now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Make WriteConstants() more robust against stray values in ValueEnumerator's ↵Victor Hernandez
ValueList git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Fix a comment typo.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93261 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12use consistent tag kinds for ilist_traitsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93259 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-121) Use the new SimplifyInstructionsInBlock routine instead of the copyChris Lattner
in JT. 2) When cloning blocks for PHI or xor conditions, use instsimplify to simplify the code as we go. This allows us to squish common cases early in JT which opens up opportunities for subsequent iterations, and allows it to completely simplify the testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93253 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12add a helper function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93251 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Use Twine, instead of StringRef, for consistency.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93249 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Use ilist_tratis to autoinsert and remove NamedMDNode from MDSymbolTable.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93247 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Eliminate or_not_add and just use AddedComplexity so isel tries or_is_add ↵Evan Cheng
patterns first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93245 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Add nounwind.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93244 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Revert commit 93204, since it causes the assembler to barfDuncan Sands
on x86-64 linux with messages like this: Error: Incorrect register `%r14' used with `l' suffix git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93242 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Fix typo.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93235 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Tweak commit 91745, which changed target data for both Mingw and Cygwin,Duncan Sands
to not touch Cygwin: the change caused llvm-gcc build failures due to long double getting the wrong size. Patch by Aaron Gray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93234 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Make several tests less fragile.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93230 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Reapply the MOV64r0 patch, with a fix: MOV64r0 clobbers EFLAGS.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93229 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Update a partially obsolete comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93228 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Fix a typo in a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93227 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12tidy upChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93222 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Teach jump threading to duplicate small blocks when the branchChris Lattner
condition is a xor with a phi node. This eliminates nonsense like this from 176.gcc in several places: LBB166_84: testl %eax, %eax - setne %al - xorb %cl, %al - notb %al - testb $1, %al - je LBB166_85 + je LBB166_69 + jmp LBB166_85 This is rdar://7391699 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93221 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Add MO_Metadata as an operand kind. Not used yet.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93220 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Add TargetInstrInfo::isCoalescableInstr. It returns true if the specifiedEvan Cheng
instruction is copy like where the source and destination registers can overlap. This is to be used by the coalescable to coalesce the source and destination registers of instructions like X86::MOVSX64rr32. Apparently some crazy people believe the coalescer is too simple. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93210 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11some cleanup, and make it obvious that ProcessJumpOnPHI only worksChris Lattner
on branches by renaming it and checking for a branch at the call site. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93208 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11disable this testcase, PR5997Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93206 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Add manual ISD::OR fastisel selection routines. TableGen is no longer ↵Evan Cheng
autogen them after 93152 and 93191. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Add documentation for llvm.dbg.value intrinsicVictor Hernandez
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11reenable the piece that turns trunc(zext(x)) -> x even if zext has multiple ↵Chris Lattner
uses, codegen has no apparent problem with the trunc version of this, because it turns into a simple subreg idiom git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93202 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Disable folding sext(trunc(x)) -> x (and other similar cast/cast cases) when ↵Chris Lattner
the trunc has multiple uses. Codegen is not able to coalesce the subreg case correctly and so this leads to higher register pressure and spilling (see PR5997). This speeds up 256.bzip2 from 8.60 -> 8.04s on my machine, ~7%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93200 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Consolidate ConvertGlobalValIDToValue, ConvertGlobalOrMetadataValIDToValue, ↵Victor Hernandez
and ConvertValIDToValue into a more powerful ConvertValIDToValue() that does all three's work git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93197 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Remove trailing white spaces in post dominators header fileTobias Grosser
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93195 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Add getNode() to post dominators.Tobias Grosser
Implement the same interface as already available for dominators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93194 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Extend r93152 to work on OR r, r. If the source set bits are known not to ↵Evan Cheng
overlap, then select as an ADD instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93191 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11reduce this to a sensible testcase.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93189 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Shorten up this testcase.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93187 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Revert 93158. It's breaking quite a few x86_64 tests.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93185 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Avoid adding PHI arguments for a predecessor that has gone away when a ↵Jakob Stoklund Olesen
BRCOND was constant folded. This fixes PR5980. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93184 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Remove unused string functions.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93183 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Do not turn 8-bit OR to ADD since ADD8ri is not 3-addressfiable.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93182 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Disable transformation of select of two loads to a select of address and ↵Mon P Wang
then a load if the loads are not in the default address space because the transformation discards src value info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93180 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Add StrInStrNoCase, a StringRef version of CStrInCStrNoCase.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93174 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Add top level section for named metadata.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Improve unclear bits and inaccuracies in structure and insertvalueJeffrey Yasskin
documentation. Patch by Dustin Laurence! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Update the -tailcallopt description to match djg's improvements to the callingJeffrey Yasskin
convention. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11s/NextValueNo/NextMDValueNo while processing metadata.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93165 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Turns out llvm-gcc still uses SplitString with a vector. Add it back until IBenjamin Kramer
have a fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93163 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-11Reimplement getToken and SplitString as "StringRef helper functions"Benjamin Kramer
- getToken is modeled after StringRef::split but it can split on multiple separator chars and skips leading seperators. - SplitString is a StringRef::split variant for more than 2 elements with the same behaviour as getToken. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93161 91177308-0d34-0410-b5e6-96231b3b80d8
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