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2011-04-11Trivial comment fix.Johnny Chen
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 Cheng
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 Chen
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 Enderby
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 Olesen
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 Olesen
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 Olesen
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 Olesen
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
2011-04-11Fix or remove code which seemed to think that the operand of a ConstantJay Foad
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 Foad
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 Foad
an odd number. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129270 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Revert r129235 pending a vetting of the EH rewrite.Bill Wendling
--- 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 Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-10Beginning of the Great Exception Handling Rewrite.Bill Wendling
* 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
2011-04-09fix rdar://8735979 - "int 3" doesn't match to "int3". Unfortunately,Chris Lattner
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
2011-04-09Fix potential buffer overflow on win32.Benjamin Kramer
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 Kramer
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 Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Add back a couple checks removed by r129128; the fact that an intitializerEli Friedman
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 Lattner
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 Lattner
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 Lattner
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
2011-04-09PR9604; try to deal with RAUW updates correctly in the AST. I'm not convincedEli Friedman
it's completely safe to cache the AST across LICM runs even with this fix, but this fix can't hurt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129198 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09regexes are allowed to match empty things, e.g. {{.*}} in filecheck.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Build the Hopfield network incrementally when splitting global live ranges.Jakob Stoklund Olesen
It is common for large live ranges to have few basic blocks with register uses and many live-through blocks without any uses. This approach grows the Hopfield network incrementally around the use blocks, completely avoiding checking interference for some through blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129188 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Precompute interference for neighbor blocks as long as there is no interference.Jakob Stoklund Olesen
This doesn't require seeking in the live interval union, so it is very cheap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09have dag combine zap "store undef", which can be formed during call loweringChris Lattner
with undef arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129185 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-09Redirected errors from the AsmParser to the properSean Callanan
error stream, in cases where the AsmParser is being invoked by EDDisassembler. Before, they were being sent to errs() because no error handler was installed in the SourceMgr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129177 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Simplify array bound checks and clarify comments. One element array can ↵Devang Patel
have same non-zero number as lower bound as well as upper bound. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129170 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Add a function for profiling to run at shutdown. Unlike the existing API, thisNick Lewycky
can be used even when main() isn't present in the Module, but it means that you don't get to read argv[]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129163 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Fix an apparent typo that made GCC complainMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129160 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Do not emit DW_AT_upper_bound and DW_AT_lower_bound for unbouded array.Devang Patel
If lower bound is more then upper bound then consider it is an unbounded array. An array is unbounded if non-zero lower bound is same as upper bound. If lower bound and upper bound are zero than array has one element. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129156 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Change -arm-trap-func= into a non-arm specific option. Now Intrinsic::trap ↵Evan Cheng
is lowered into a call to the specified trap function at sdisel time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Workaround g++ 4.2.1 warning diagnostic false positive.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129149 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Check opcoe (dmb, dsb) instead of bitfields matching.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129148 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Hanlde the checking of bad regs for SMMLAR properly, instead of asserting.Johnny Chen
PR9650 rdar://problem/9257565 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129147 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Sanity check the option operand for DMB/DSB.Johnny Chen
PR9648 rdar://problem/9257634 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129146 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Mark hasExtraDefRegAllocReq=1 on LDRD.Jim Grosbach
The previous cleanup of LDRD got overzealous and removed it, causing post-RA scheduling to get overzealous in breaking antidependencies and invalidate these instructions. Hilarity and invalid assembly ensued. rdar://9244161 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129144 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Refactor MCJIT 32-bit section loading.Jim Grosbach
Teach 32-bit section loading to use the Memory Manager interface, just like the 64-bit loading does. Tidy up a few other things here and there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129138 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08llvm.global_[cd]tor is defined to be either external, or appending with an arrayNick Lewycky
of { i32, void ()* }. Teach the verifier to verify that, deleting copies of checks strewn about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129128 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-08Add sanity checking for bad register specifier(s) for the DPFrm instructions.Johnny Chen
Add more test cases to exercise the logical branches related to the above change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129117 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Micro optimization and improved similarity with gas' output:Rafael Espindola
When two section names share a suffix, reuse the entry in shstrtab. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129115 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Do not let debug info interfer with branch folding.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129114 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Replace the old algorithm that emitted the "print the alias for an instruction"Bill Wendling
with the newer, cleaner model. It uses the IAPrinter class to hold the information that is needed to match an instruction with its alias. This also takes into account the available features of the platform. There is one bit of ugliness. The way the logic determines if a pattern is unique is O(N**2), which is gross. But in reality, the number of items it's checking against isn't large. So while it's N**2, it shouldn't be a massive time sink. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129110 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Add option to emit @llvm.trap as a function call instead of a trap ↵Evan Cheng
instruction. rdar://9249183. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Add support for .skip.Rafael Espindola
Patch by Roman Divacky. Fixes PR9361. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129106 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Fix indentation.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129105 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Update ATUsed every time after expandRegLargeImmPair is called.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Fixed encoding for VEXTqfMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-07Added a check in the preRA scheduler for potential interference on aAndrew Trick
induction variable. The preRA scheduler is unaware of induction vars, so we look for potential "virtual register cycles" instead. Fixes <rdar://problem/8946719> Bad scheduling prevents coalescing git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129100 91177308-0d34-0410-b5e6-96231b3b80d8
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