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* Fix "existant" typosAlp Toker2013-10-294-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193579 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up.Richard Smith2013-10-291-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193576 91177308-0d34-0410-b5e6-96231b3b80d8
* DWARFFormValue.cpp: Appease gcc to give explicit constructors.NAKAMURA Takumi2013-10-291-4/+4
| | | | | | error: conversion from `const uint8_t*' to non-scalar type `llvm::ArrayRef<unsigned char>' requested git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193575 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cost model: Unaligned vectorized double stores are expensiveArnold Schwaighofer2013-10-293-9/+44
| | | | | | | | | Updated a test case that assumed that <2 x double> would vectorize to use <4 x float>. radar://15338229 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193574 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM cost model: Account for zero cost scalar SROA instructionsArnold Schwaighofer2013-10-293-6/+85
| | | | | | | | | By vectorizing a series of srl, or, ... instructions we have obfuscated the intention so much that the backend does not know how to fold this code away. radar://15336950 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193573 91177308-0d34-0410-b5e6-96231b3b80d8
* SLPVectorizer: Use vector type for vectorized memory operationsArnold Schwaighofer2013-10-291-2/+2
| | | | | | | | | No test case, because with the current cost model we don't see a difference. An upcoming ARM memory cost model change will expose and test this bug. radar://15332579 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193572 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleaning up comments in lliAndrew Kaylor2013-10-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193571 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding a workaround for __main linking with remote lli and Cygwin/MinGWAndrew Kaylor2013-10-299-21/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193570 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the STT_FILE symbols out of the normal symbol table processing forJoerg Sonnenberger2013-10-295-22/+101
| | | | | | | | ELF. They can overlap with the other symbols, e.g. if a source file "foo.c" contains a function "foo" with a static variable "c". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193569 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: use createAndAddDIE to wrap around "new DIE" in DwarfDebug.Manman Ren2013-10-291-6/+5
| | | | | | | | | | This commit ensures DIEs are constructed within a compile unit and immediately added to their parents. Reviewed off-list by Eric. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193568 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: use createAndAddDIE for newly-created Subprogram DIEs.Manman Ren2013-10-296-23/+27
| | | | | | | | | | | | More patches will be submitted to convert "new DIE(" to use createAddAndDIE in DwarfCompileUnit.cpp. This will simplify implementation of addDIEEntry where we have to decide between ref4 and ref_addr, because DIEs that can be shared across CU will be added to a CU already. Reviewed off-list by Eric. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193567 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: add a helper function createAndAddDIE.Manman Ren2013-10-292-29/+28
| | | | | | | | | | | | | | | It wraps around "new DIE(" and handles the bookkeeping part of the newly-created DIE. It adds the DIE to its parent, and calls insertDIE if necessary. It makes sure that bookkeeping is done at the earliest time and we should not see parentless DIEs if all constructions of DIEs go through this helper function. Later on, we can use an allocator for DIE allocation, and will only need to change createAndAddDIE instead of modifying all the "new DIE(". Reviewed off-list by Eric. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193566 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge DWARFDIE::extractFast and DWARFDIE::extract into one function.Alexey Samsonov2013-10-282-56/+10
| | | | | | | | Complicated CU-DIE-specific logic in the latter was never used, and it makes sense to have safety checks for broken dwarf in the former. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193563 91177308-0d34-0410-b5e6-96231b3b80d8
* Renaming MCJIT .ir files to .ll and moving them to InputsAndrew Kaylor2013-10-2816-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193562 91177308-0d34-0410-b5e6-96231b3b80d8
* DWARF parser: Use ArrayRef to represent form sizes and simplify ↵Alexey Samsonov2013-10-286-21/+16
| | | | | | DWARFDIE::extractFast() interface. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193560 91177308-0d34-0410-b5e6-96231b3b80d8
* lit: add missing substitutions for recently added toolsAlp Toker2013-10-282-0/+4
| | | | | | | llvm-mcmarkup, obj2yaml and yaml2obj were missing from the substitutions list, causing the test suite to fail in a sandboxed environment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193559 91177308-0d34-0410-b5e6-96231b3b80d8
* Quote potential shell expansions found in testsAlp Toker2013-10-282-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193558 91177308-0d34-0410-b5e6-96231b3b80d8
* DWARF parser: since DWARF4, DW_AT_high_pc may be a constant representing ↵Alexey Samsonov2013-10-281-4/+10
| | | | | | function size git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193555 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Introduce the notion of "form classes"Alexey Samsonov2013-10-287-74/+201
| | | | | | | | | | | | | | | | | | Summary: Use DWARF4 table of form classes to fetch attributes from DIE in a more consistent way. This shouldn't change the functionality and serves as a refactoring for upcoming change: DW_AT_high_pc has different semantics depending on its form class. Reviewers: dblaikie, echristo Reviewed By: echristo CC: echristo, llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D1961 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193553 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the lli --extra-module value_descAlp Toker2013-10-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193552 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a few tests for StringRef::{start,end}with.Rui Ueyama2013-10-281-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193550 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-29/+44
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* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-34/+61
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193547 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-31/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193546 91177308-0d34-0410-b5e6-96231b3b80d8
* Standardizing lli's extra module command line optionAndrew Kaylor2013-10-2810-11/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193544 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove stray '_'.Bill Wendling2013-10-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193543 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the correct reference. Spotted by Sean Silva.Bill Wendling2013-10-281-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193542 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove 2.4 from the list of supported Python versions.Bill Wendling2013-10-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193541 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Simplify LowerFormalArguments using getRegClassFor.Akira Hatanaka2013-10-281-15/+2
| | | | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193540 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-27/+41
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193539 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-16/+209
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193538 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-17/+59
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193537 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert another llc -filetype=obj test.Rafael Espindola2013-10-282-17/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193536 91177308-0d34-0410-b5e6-96231b3b80d8
* Return early from getUnconditionalBranchTargetOpValue if the branch target isLang Hames2013-10-282-3/+3
| | | | | | | | | | | | | | | | | | | an MCExpr, in order to avoid writing an encoded zero value in the immediate field. When getUnconditionalBranchTargetOpValue is called with an MCExpr target, we don't know what the final immediate field value should be. We shouldn't explicitly set the immediate field to an encoded zero value as zero is encoded with a non-zero bit pattern. This leads to bits being set that pollute the final immediate value. The nature of the encoding is such that the polluted bits only affect very large immediate values, explaining why this hasn't caused problems earlier. Fixes <rdar://problem/15155975>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193535 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert a llc -filetype=obj test into a llvm-mc test.Rafael Espindola2013-10-282-16/+98
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193534 91177308-0d34-0410-b5e6-96231b3b80d8
* TableGen: remove unused variable.Ahmed Bougacha2013-10-281-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193527 91177308-0d34-0410-b5e6-96231b3b80d8
* TableGen: Refactor DAG patterns to enable parsing one pattern at a time.Ahmed Bougacha2013-10-282-51/+65
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193526 91177308-0d34-0410-b5e6-96231b3b80d8
* TableGen: Refactor AsmWriterEmitter to keep AsmWriterInsts.Ahmed Bougacha2013-10-281-26/+26
| | | | | | | | These used to be referenced by the CGI->AWI map (in AsmWriterEmitter), but stored in a vector local to EmitPrintInstruction. Move the vector to AsmWriterEmitter too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193525 91177308-0d34-0410-b5e6-96231b3b80d8
* [arm] Implement eabi_attribute, cpu, and fpu directives.Logan Chien2013-10-2814-303/+913
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit allows the ARM integrated assembler to parse and assemble the code with .eabi_attribute, .cpu, and .fpu directives. To implement the feature, this commit moves the code from AttrEmitter to ARMTargetStreamers, and several new test cases related to cortex-m4, cortex-r5, and cortex-a15 are added. Besides, this commit also change the Subtarget->isFPOnlySP() to Subtarget->hasD16() to match the usage of .fpu directive. This commit changes the test cases: * Several .eabi_attribute directives in 2010-09-29-mc-asm-header-test.ll are removed because the .fpu directive already cover the functionality. * In the Cortex-A15 test case, the value for Tag_Advanced_SIMD_arch has be changed from 1 to 2, which is more precise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193524 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify ConstantRange::getSetSize()Nuno Lopes2013-10-281-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193523 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Set usaAA to trueRichard Sandiford2013-10-286-18/+22
| | | | | | | | | | | | | | | | | useAA significantly improves the handling of vector code that has TBAA information attached. It also helps other cases, as shown by the testsuite changes here. The only real downside I've seen is that it interferes with MergeConsecutiveStores. The problem is that that optimization works top down, starting at the first store in the chain, and looks for cases where the chain result is only used by a single related store. These related stores don't alias, so useAA will have rewritten all the later stores to use a different chain input (typically the same one as the first store). I think the advantages outweigh the disadvantages though, so for now I've just disabled alias analysis for the unaligned-01.ll test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193521 91177308-0d34-0410-b5e6-96231b3b80d8
* [DAGCombiner] Respect volatility when checking for aliasesRichard Sandiford2013-10-282-19/+27
| | | | | | | | | Making useAA() default to true for SystemZ showed that the combiner alias analysis wasn't handling volatile accesses. This hit many of the SystemZ tests, but I arbitrarily picked one for the purpose of this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193518 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep TBAA info when rewriting SelectionDAG loads and storesRichard Sandiford2013-10-2810-191/+206
| | | | | | | | | | | | | | | | | | Most SelectionDAG code drops the TBAA info when creating a new form of a load and store (e.g. during legalization, or when converting a plain load to an extending one). This patch tries to catch all cases where the TBAA information can legitimately be carried over. The patch adds alternative forms of getLoad() and getExtLoad() that take a MachineMemOperand instead of individual fields. (The corresponding getTruncStore() already exists.) The idea is to use the MachineMemOperand forms when all fields are carried over (size, pointer info, isVolatile, isNonTemporal, alignment and TBAA info). If some adjustment is being made, e.g. to narrow the load, then we still pass the individual fields but also pass the TBAA info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193517 91177308-0d34-0410-b5e6-96231b3b80d8
* lit: multiprocessing platform fix attemptAlp Toker2013-10-281-1/+2
| | | | | | | | | | The error raised by Python varies by platform(!), so let's just catch any exception and fall back. Thanks to Sylvestre Ledru for noticing this on a Debian / Python 2.7 system running code coverage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193516 91177308-0d34-0410-b5e6-96231b3b80d8
* SCEV: Make the final add of an inbounds GEP nuw if we know that the index is ↵Benjamin Kramer2013-10-282-6/+47
| | | | | | | | | | | | | | | | | | | | | | | positive. We can't do this for the general case as saying a GEP with a negative index doesn't have unsigned wrap isn't valid for negative indices. %gep = getelementptr inbounds i32* %p, i64 -1 But an inbounds GEP cannot run past the end of address space. So we check for the very common case of a positive index and make GEPs derived from that NUW. Together with Andy's recent non-unit stride work this lets us analyze loops like void foo3(int *a, int *b) { for (; a < b; a++) {} } PR12375, PR12376. Differential Revision: http://llvm-reviews.chandlerc.com/D2033 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193514 91177308-0d34-0410-b5e6-96231b3b80d8
* Prune utf8 chars in comments.NAKAMURA Takumi2013-10-282-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193512 91177308-0d34-0410-b5e6-96231b3b80d8
* Prune trailing linefeeds.NAKAMURA Takumi2013-10-282-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193511 91177308-0d34-0410-b5e6-96231b3b80d8
* Target/R600: Un-tab-ify.NAKAMURA Takumi2013-10-283-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193510 91177308-0d34-0410-b5e6-96231b3b80d8
* Make first substantial checkin of my port of ARM constant islands code to Mips.Reed Kotler2013-10-279-12/+319
| | | | | | | | | | | | | | Before I just ported the shell of the pass. I've tried to keep everything nearly identical to the ARM version. I think it will be very easy to eventually merge these two and create a new more general pass that other targets can use. I have some improvements I would like to make to allow pools to be shared across functions and some other things. When I'm all done we can think about making a more general pass. More to be ported but the basic mechanism works now almost as good as gcc mips16. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193509 91177308-0d34-0410-b5e6-96231b3b80d8
* Clarify the comment about BSD versions in r193465Alp Toker2013-10-271-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193508 91177308-0d34-0410-b5e6-96231b3b80d8
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