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2011-04-11build: Add support for a SHOW_DIAGNOSTICS build variable.Daniel Dunbar3-8/+91
If enabled, this will attempt to use the CC_LOG_DIAGNOSTICS feature I dropped into Clang to print a log of all the diagnostics generated during an individual build (from the top-level). Not sure if this will actually be useful, but for now it is handy for testing the option. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129312 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Add scheduling information for the MBlaze backend.Wesley Peck18-243/+719
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129311 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Lex, and then fail on invalid constants.Eric Christopher1-1/+1
Testcase forthcoming. rdar://8490596 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129309 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Just because a GlobalVariable's initializer is [N x { i32, void ()* }] doesn'tNick Lewycky3-9/+20
mean that it has to be ConstantArray of ConstantStruct. We might have ConstantAggregateZero, at either level, so don't crash on that. Also, semi-deprecate the sentinal value. The linker isn't aware of sentinals so we end up with the two lists appended, each with their "sentinals" on them. Different parts of LLVM treated sentinals differently, so make them all just ignore the single entry and continue on with the rest of the list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129307 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Implement cfi_rel_offsetRafael Espindola2-1/+82
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129306 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Speed up eviction by stopping collectInterferingVRegs as soon as the spillJakob Stoklund Olesen3-14/+23
weight limit has been exceeded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Add test for previous commit.Rafael Espindola1-0/+46
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129304 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't crash on invalid instructions when disassembling MBlaze code.Wesley Peck3-36/+115
This fixes http://llvm.org/bugs/show_bug.cgi?id=9653 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129303 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11The default of the dispatch switch statement was to branch to a BB that executedBill Wendling1-7/+8
the 'unwind' instruction. However, later on that instruction was converted into a jump to the basic block it was located in, causing an infinite loop when we get there. It turns out, we get there if the _Unwind_Resume_or_Rethrow call returns (which it's not supposed to do). It returns if it cannot find a place to unwind to. Thus we would get what appears to be a "hang" when in reality it's just that the EH couldn't be propagated further along. Instead of infinitely looping (or calling `unwind', which none of our back-ends support (it's lowered into nothing...)), call the @llvm.trap() intrinsic instead. This may not conform to specific rules of a particular language, but it's rather better than infinitely looping. <rdar://problem/9175843&9233582> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129302 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Fix the bug where the immediate shift amount for Thumb logical shift ↵Johnny Chen2-6/+23
instructions are incorrectly disassembled. rdar://problem/9266265 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129298 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Look pass copies when determining whether hoisting would end up inserting ↵Evan Cheng2-8/+51
more copies. rdar://9266679 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129297 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11implement .cfi_adjust_cfa_offset.Rafael Espindola1-1/+28
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129296 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Get rid of useless comment; if a file uses functions from a given header,Eli Friedman1-4/+0
it is obvious that it should be included. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129295 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Fix another using-CPSR-twice bug in my ADCS/SBCS cleanups, and make proper ↵Owen Anderson1-2/+5
use of the Commutable bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129294 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Skip a binary search when possible.Jakob Stoklund Olesen1-0/+2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129293 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Use a faster algorithm for computing MBB live-in registers after register ↵Jakob Stoklund Olesen1-18/+20
allocation. LiveIntervals::findLiveInMBBs has to do a full binary search for each segment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Because some systems have reported that this example would not build theGarrison Venn1-0/+5
header file cstdio was added as an include. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129291 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Trivial comment fix.Johnny Chen2-2/+2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129288 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Fix a couple of places where changes are made but not tracked.Evan Cheng2-3/+10
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129287 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Check invalid register encodings for LdFrm/StFrm ARM instructions and flag ↵Johnny Chen5-0/+102
them as invalid instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129286 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Adding support for printing operands symbolically to llvm's public 'C'Kevin Enderby8-9/+212
disassembler API. Hooked this up to the ARM target so such tools as Darwin's otool(1) can now print things like branch targets for example this: blx _puts instead of this: blx #-36 And even print the expression encoded in the Mach-O relocation entried for things like this: movt r0, :upper16:((_foo-_bar)+1234) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't add live ranges for sub-registers when clobbering a physical register.Jakob Stoklund Olesen2-15/+7
Both coalescing and register allocation already check aliases for interference, so these extra segments are only slowing us down. This speeds up both linear scan and the greedy register allocator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129283 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Speed up LiveIntervalUnion::unify by handling end insertion specially.Jakob Stoklund Olesen1-1/+9
This particularly helps with the initial transfer of fixed intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Time the initial seeding of live registersJakob Stoklund Olesen1-0/+1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129276 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't shrink live ranges after dead code elimination unless it is going to help.Jakob Stoklund Olesen1-4/+10
In particular, don't repeatedly recompute the PIC base live range after rematerialization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129275 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11CMake: remove some unnecesary code and ToDos.Oscar Fuentes2-9/+1
Patch by arrowdodger! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129274 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Fix or remove code which seemed to think that the operand of a ConstantJay Foad2-14/+1
was always a User. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129272 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't include Operator.h from InstrTypes.h.Jay Foad24-1/+23
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Phi nodes always use an even number of operands, so don't ever allocateJay Foad1-1/+2
an odd number. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129270 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11docs/CommandGuide/index.html: Fix CSS url to relative.NAKAMURA Takumi1-1/+1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129268 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11docs/CommandLine.html: &quot;ize.NAKAMURA Takumi1-5/+5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129267 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Revert r129235 pending a vetting of the EH rewrite.Bill Wendling10-87/+16
--- Reverse-merging r129235 into '.': D test/Feature/bb_attrs.ll U include/llvm/BasicBlock.h U include/llvm/Bitcode/LLVMBitCodes.h U lib/VMCore/AsmWriter.cpp U lib/VMCore/BasicBlock.cpp U lib/AsmParser/LLParser.cpp U lib/AsmParser/LLLexer.cpp U lib/AsmParser/LLToken.h U lib/Bitcode/Reader/BitcodeReader.cpp U lib/Bitcode/Writer/BitcodeWriter.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Bugfix in the Cpp backend after API change on PHINode::Create.Nicolas Geoffray1-1/+1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10CMake: support for using LLVM from client projects with find_package.Oscar Fuentes4-6/+42
Patch by arrowdodger! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129247 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Fixed more best practices, and explicit/implicit style guide issues.Garrison Venn1-131/+128
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Reword instructions for running tests on Visual Studio.Oscar Fuentes1-1/+3
Suggested by Maël Hörz. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Beginning of the Great Exception Handling Rewrite.Bill Wendling10-16/+87
* Add a "landing pad" attribute to the BasicBlock. * Modify the bitcode reader and writer to handle said attribute. Later: The verifier will ensure that the landing pad attribute is used in the appropriate manner. I.e., not applied to the entry block, and applied only to basic blocks that are branched to via a `dispatch' instruction. (This is a work-in-progress.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129235 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09drive by bug fix: DenseMapInfo::isEqual should be determined according toChris Lattner1-1/+4
isEqual of its members, not operator==. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129233 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09LLVMCC_EMITIR_FLAG is already either -emit-llvm or ↵Chris Lattner1-10/+10
-fplugin-arg-dragonegg-emit-ir, so don't add an extra leading -. Clang doesn't accept --emit-llvm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09make stuff work when LLVMCC_OPTION is something like installed-clang, not ↵Chris Lattner1-2/+2
just clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09fix rdar://8735979 - "int 3" doesn't match to "int3". Unfortunately,Chris Lattner3-0/+23
InstAlias doesn't allow matching immediate operands, so we have to write C++ code to do this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129223 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09look for the verboten argument slot access in any order, thanks to FritsChris Lattner1-0/+1
for pointing this out git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129217 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Fix potential buffer overflow on win32.Benjamin Kramer1-12/+9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129214 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Don't store Twine temporaries, it's not safe.Benjamin Kramer2-9/+11
And don't append the name over and over again in the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Make error message more useful.Benjamin Kramer1-2/+2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09docs/*.html: Make W3C HTML 4.01 Strict more compliant.NAKAMURA Takumi15-36/+38
FIXME: The logo handling in ReleaseNotes.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Add back a couple checks removed by r129128; the fact that an intitializerEli Friedman2-4/+11
is an array of structures doesn't imply it's a ConstantArray of ConstantStruct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129207 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09fix PR9523, a crash in looprotate on a non-canonical loop made out of ↵Chris Lattner2-1/+21
indirectbr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129203 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Fix a bug where RecursivelyDeleteTriviallyDeadInstructions couldChris Lattner2-3/+46
delete the instruction pointed to by CGP's current instruction iterator, leading to a crash on the testcase. This fixes PR9578. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129200 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Avoid excess precision issues that lead to generating host-compiler-specific ↵Chris Lattner1-2/+6
code. Switch lowering probably shouldn't be using FP for this. This resolves PR9581. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129199 91177308-0d34-0410-b5e6-96231b3b80d8
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