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* Beginning of the Great Exception Handling Rewrite.Bill Wendling2011-04-107-14/+49
| | | | | | | | | | | | | | * 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
* fix rdar://8735979 - "int 3" doesn't match to "int3". Unfortunately,Chris Lattner2011-04-092-0/+19
| | | | | | | | 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
* Fix potential buffer overflow on win32.Benjamin Kramer2011-04-091-12/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129214 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't store Twine temporaries, it's not safe.Benjamin Kramer2011-04-091-8/+6
| | | | | | 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
* Make error message more useful.Benjamin Kramer2011-04-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129209 91177308-0d34-0410-b5e6-96231b3b80d8
* Add back a couple checks removed by r129128; the fact that an intitializerEli Friedman2011-04-091-4/+6
| | | | | | | | | 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
* fix PR9523, a crash in looprotate on a non-canonical loop made out of ↵Chris Lattner2011-04-091-1/+5
| | | | | | indirectbr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129203 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug where RecursivelyDeleteTriviallyDeadInstructions couldChris Lattner2011-04-091-3/+18
| | | | | | | | 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
* Avoid excess precision issues that lead to generating host-compiler-specific ↵Chris Lattner2011-04-091-2/+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
* PR9604; try to deal with RAUW updates correctly in the AST. I'm not convincedEli Friedman2011-04-091-0/+4
| | | | | | | | | 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
* regexes are allowed to match empty things, e.g. {{.*}} in filecheck.Chris Lattner2011-04-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129193 91177308-0d34-0410-b5e6-96231b3b80d8
* Build the Hopfield network incrementally when splitting global live ranges.Jakob Stoklund Olesen2011-04-096-84/+176
| | | | | | | | | 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
* Precompute interference for neighbor blocks as long as there is no interference.Jakob Stoklund Olesen2011-04-092-22/+37
| | | | | | 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
* have dag combine zap "store undef", which can be formed during call loweringChris Lattner2011-04-091-2/+8
| | | | | | | with undef arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129185 91177308-0d34-0410-b5e6-96231b3b80d8
* Redirected errors from the AsmParser to the properSean Callanan2011-04-091-0/+10
| | | | | | | | | | 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
* Simplify array bound checks and clarify comments. One element array can ↵Devang Patel2011-04-081-10/+7
| | | | | | 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
* Add a function for profiling to run at shutdown. Unlike the existing API, thisNick Lewycky2011-04-082-3/+40
| | | | | | | | 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
* Fix an apparent typo that made GCC complainMatt Beaumont-Gay2011-04-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129160 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not emit DW_AT_upper_bound and DW_AT_lower_bound for unbouded array.Devang Patel2011-04-081-3/+15
| | | | | | | | | 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
* Change -arm-trap-func= into a non-arm specific option. Now Intrinsic::trap ↵Evan Cheng2011-04-083-25/+27
| | | | | | 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
* Workaround g++ 4.2.1 warning diagnostic false positive.Jim Grosbach2011-04-081-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129149 91177308-0d34-0410-b5e6-96231b3b80d8
* Check opcoe (dmb, dsb) instead of bitfields matching.Johnny Chen2011-04-081-12/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129148 91177308-0d34-0410-b5e6-96231b3b80d8
* Hanlde the checking of bad regs for SMMLAR properly, instead of asserting.Johnny Chen2011-04-081-9/+10
| | | | | | | | PR9650 rdar://problem/9257565 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129147 91177308-0d34-0410-b5e6-96231b3b80d8
* Sanity check the option operand for DMB/DSB.Johnny Chen2011-04-082-8/+29
| | | | | | | | PR9648 rdar://problem/9257634 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129146 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark hasExtraDefRegAllocReq=1 on LDRD.Jim Grosbach2011-04-081-1/+5
| | | | | | | | | | 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
* Refactor MCJIT 32-bit section loading.Jim Grosbach2011-04-082-82/+67
| | | | | | | | | 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
* llvm.global_[cd]tor is defined to be either external, or appending with an arrayNick Lewycky2011-04-084-37/+33
| | | | | | | | 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
* Add sanity checking for bad register specifier(s) for the DPFrm instructions.Johnny Chen2011-04-081-0/+30
| | | | | | | 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
* Micro optimization and improved similarity with gas' output:Rafael Espindola2011-04-071-10/+38
| | | | | | 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
* Do not let debug info interfer with branch folding.Devang Patel2011-04-071-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129114 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace the old algorithm that emitted the "print the alias for an instruction"Bill Wendling2011-04-074-5/+22
| | | | | | | | | | | | | | 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
* Add option to emit @llvm.trap as a function call instead of a trap ↵Evan Cheng2011-04-071-1/+23
| | | | | | instruction. rdar://9249183. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129107 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for .skip.Rafael Espindola2011-04-071-1/+1
| | | | | | | Patch by Roman Divacky. Fixes PR9361. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129106 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation.Akira Hatanaka2011-04-071-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129105 91177308-0d34-0410-b5e6-96231b3b80d8
* Update ATUsed every time after expandRegLargeImmPair is called.Akira Hatanaka2011-04-071-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129104 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed encoding for VEXTqfMon P Wang2011-04-071-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129101 91177308-0d34-0410-b5e6-96231b3b80d8
* Added a check in the preRA scheduler for potential interference on aAndrew Trick2011-04-073-4/+107
| | | | | | | | | | 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
* Fix handling of functions with internal linkage.Akira Hatanaka2011-04-071-8/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129099 91177308-0d34-0410-b5e6-96231b3b80d8
* Add sanity checking for invalid register encodings for signed/unsigned ↵Johnny Chen2011-04-071-0/+5
| | | | | | | | | extend instructions. Add some test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129098 91177308-0d34-0410-b5e6-96231b3b80d8
* Add sanity checking for invalid register encodings for saturating instructions.Johnny Chen2011-04-071-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129096 91177308-0d34-0410-b5e6-96231b3b80d8
* Recompute hasPHIKill flags when shrinking live intervals.Jakob Stoklund Olesen2011-04-071-1/+3
| | | | | | PHI values may be deleted, causing the flags to be wrong. This fixes PR9616. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129092 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some more comments about checkings of invalid register numbers.Johnny Chen2011-04-071-0/+5
| | | | | | | And two test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129090 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose more passes to the C API.Rafael Espindola2011-04-071-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129087 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid moving iterators when the previous block was just visited.Jakob Stoklund Olesen2011-04-071-8/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129081 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer multiplications to divisions.Jakob Stoklund Olesen2011-04-071-7/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129080 91177308-0d34-0410-b5e6-96231b3b80d8
* Extract SpillPlacement::addLinks for handling the special transparent blocks.Jakob Stoklund Olesen2011-04-073-37/+49
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129079 91177308-0d34-0410-b5e6-96231b3b80d8
* While hoisting common code from if/else, hoist debug info intrinsics if they ↵Devang Patel2011-04-071-8/+18
| | | | | | match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129078 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent ARM DAG Combiner from doing an AND or OR combine on an illegal ↵Tanya Lattner2011-04-071-0/+6
| | | | | | vector type (vectors of size 3). Also included test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129074 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a bug where missing EDInstInfo would causeSean Callanan2011-04-071-0/+3
| | | | | | | tokenization to crash and burn. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129051 91177308-0d34-0410-b5e6-96231b3b80d8
* Sanity check MSRi for invalid mask values and reject it as invalid.Johnny Chen2011-04-071-0/+5
| | | | | | | rdar://problem/9246844 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129050 91177308-0d34-0410-b5e6-96231b3b80d8
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