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2013-05-14Assert that DIEEntries are constructed with non-null DIEsDavid Blaikie
This just brings a crash a little further forward from DWARF emission to DIE construction to make errors easier to diagnose. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181748 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-13Remove the MachineMove class.Rafael Espindola
It was just a less powerful and more confusing version of MCCFIInstruction. A side effect is that, since MCCFIInstruction uses dwarf register numbers, calls to getDwarfRegNum are pushed out, which should allow further simplifications. I left the MachineModuleInfo::addFrameMove interface unchanged since this patch was already fairly big. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181680 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-11StringRefize some debug accel table bits.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181663 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-11Change getFrameMoves to return a const reference.Rafael Espindola
To add a frame now there is a dedicated addFrameMove which also takes care of constructing the move itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181657 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-11Remove more dead code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181656 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-10PR14492: Debug Info: Support for values of non-integer non-type template ↵David Blaikie
parameters. This is only tested for global variables at the moment (& includes tests for the unnamed parameter case, since apparently this entire function was completely untested previously) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181632 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-09Revert "Make sure debug info contains linkage names (DW_AT_MIPS_linkage_name)"Eric Christopher
temporarily while investigating gdb.cp/templates.exp. This reverts commit r181471. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181496 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-08Make sure debug info contains linkage names (DW_AT_MIPS_linkage_name)Eric Christopher
for constructors and destructors since the original declaration given by the AT_specification both won't and can't. Patch by Yacine Belkadi, I've cleaned up the testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181471 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-08Debug Info: Support DW_TAG_imported_declarationDavid Blaikie
This provides basic functionality for imported declarations. For subprograms and types some amount of lazy construction is supported (so the definition of a function can proceed the using declaration), but it still doesn't handle declared-but-not-defined functions (since we don't generally emit function declarations). Variable support is really rudimentary at the moment - simply looking up the existing definition with no support for out of order (declaration, imported_module, then definition). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181392 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-08Finish renaming constructImportedModuleDIE to constructImportedEntityDIEDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181391 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-08Pass the MDNode in and do the insertion at compile unit creation timeEric Christopher
instead of relying upon an extra call to finish initializing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181383 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-08Typo.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181378 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-07Rename DIImportedModule to DIImportedEntity and allow imported declarationsDavid Blaikie
DIBuilder::createImportedDeclaration isn't fully plumbed through (note, lacking in AsmPrinter/DwarfDebug support) but this seemed like a sufficiently useful division of code to make the subsequent patch(es) easier to follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181364 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-07Debug Info: Fix for break due to r181271David Blaikie
Apparently we didn't keep an association of Compile Unit metadata nodes to DIEs so looking up that parental context failed & thus caused no DW_TAG_imported_modules to be emitted at the CU scope. Fix this by adding the mapping & sure up the test case to verify this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181339 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-07Fix the VS2010 build broken by r181271Timur Iskhodzhanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181296 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06DebugInfo: Support imported modules in lexical blocksDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06Remove unnecessary instance variable and rework logic accordingly.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181227 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06Grammar.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181226 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-01Revert r180737. The companion patch was reverted, and this is not relevant ↵Bill Wendling
right now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-30Temporarily revert "Change the informal convention of DBG_VALUE so that we ↵Adrian Prantl
can express a" because it breaks some buildbots. This reverts commit 180816. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180819 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-30Change the informal convention of DBG_VALUE so that we can express aAdrian Prantl
register-indirect address with an offset of 0. It used to be that a DBG_VALUE is a register-indirect value if the offset (operand 1) is nonzero. The new convention is that a DBG_VALUE is register-indirect if the first operand is a register and the second operand is an immediate. For plain registers use the combination reg, reg. rdar://problem/13658587 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180816 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Emit the TLS initialization function pointers into the correct section.Bill Wendling
The `llvm.tls_init_funcs' (created by the front-end) holds pointers to the TLS initialization functions. These need to be placed into the correct section so that they are run before `main()'. <rdar://problem/13733006> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180737 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-27Use the target triple from the target machine rather than the moduleEric Christopher
to determine whether or not we're on a darwin platform for debug code emitting. Solves the problem of a module with no triple on the command line and no triple in the module using non-gdb ok features on darwin. Fix up the member-pointers test to check the correct things for cross platform (DW_FORM_flag is a good prefix). Unfortunately no testcase because I have no ideas how to test something without a triple and without a triple in the module yet check precisely on two platforms. Ideas welcome. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180660 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Cleanup and document MachineLocation.Adrian Prantl
Clarify documentation and API to make the difference between register and register-indirect addressed locations more explicit. Put in a comment to point out that with the current implementation we cannot specify a register-indirect location with offset 0 (a breg 0 in DWARF). No functionality change intended. rdar://problem/13658587 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180641 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-24Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180186 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Remove unused DwarfSectionOffsetDirective stringMatt Arsenault
The value isn't actually used, and setting it emits a COFF specific directive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180064 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Clarify that llvm.used can contain aliases.Rafael Espindola
Also add a check for llvm.used in the verifier and simplify clients now that they can assume they have a ConstantArray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Tidy.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180000 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Update comment. Whitespace.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179999 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Revert "Revert "PR14606: debug info imported_module support""David Blaikie
This reverts commit r179840 with a fix to test/DebugInfo/two-cus-from-same-file.ll I'm not sure why that test only failed on ARM & MIPS and not X86 Linux, even though the debug info was clearly invalid on all of them, but this ought to fix it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179996 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Revert "PR14606: debug info imported_module support"Eric Christopher
This reverts commit r179836 as it seems to have caused test failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179840 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19PR14606: debug info imported_module supportDavid Blaikie
Adding another CU-wide list, in this case of imported_modules (since they should be relatively rare, it seemed better to add a list where each element had a "context" value, rather than add a (usually empty) list to every scope). This takes care of DW_TAG_imported_module, but to fully address PR14606 we'll need to expand this to cover DW_TAG_imported_declaration too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179836 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-17Add support for subsections to the ELF assembler. Fixes PR8717.Peter Collingbourne
Differential Revision: http://llvm-reviews.chandlerc.com/D598 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179725 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-09The .dwo section shouldn't contain the unrelocated values (andEric Christopher
therefore not at all) of the pc or statement list. We also don't need to emit the compilation dir so save so space and time and don't bother. Fix up the testcase accordingly and verify that we don't emit the attributes or the items that they use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179114 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-07DW_FORM_sec_offset should be a relocation on platforms that useEric Christopher
a relocation across sections. Do this for DW_AT_stmt list in the skeleton CU and check the relocations in the debug_info section. Add a FIXME for multiple CUs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-06Dwarf: use utostr on CUID to append to SmallString.Manman Ren
We used to do "SmallString += CUID", which is incorrect, since CUID will be truncated to a char. rdar://problem/13573833 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178941 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Debug Info: revert 178722 for now.Manman Ren
There is a difference for FORM_ref_addr between DWARF 2 and DWARF 3+. Since Eric is against guarding DWARF 2 ref_addr with DarwinGDBCompat, we are still in discussion on how to handle this. The correct solution is to update our header to say version 4 instead of version 2 and update tool chains as well. rdar://problem/13559431 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178806 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04typoAdrian Prantl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178804 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Debug Info: according to DWARF 2, FORM_ref_addr the same size as an address onManman Ren
the target system. It was hard-coded to 4 bytes before. I can't get llvm to generate a ref_addr on a reasonably sized testing case. rdar://problem/13559431 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178722 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Fix grammar.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178624 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Remove ZeroOrMore from the option description. We don't need it here.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178623 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Use SmallVectorImpl instead of SmallVector at the uses.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178386 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Use 12 as the magic number for our abbreviation data and ourEric Christopher
die values. A lot of DIEs have 10 attributes in C++ code (example clang), none had more than 12. Seems like a good default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178366 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Move the construction of the skeleton compile unit after theEric Christopher
entire original compile unit has been constructed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178365 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25Teach cmake about the new Erlang GC files.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177869 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25Add a GC plugin for ErlangYiannis Tsiouris
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177867 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-18Fix integer comparison in DIEInteger::BestForm.Hans Wennborg
The always-true "(int)Int == (signed)Int" comparison was found while experimenting with a potential new Clang warning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177290 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13No functionality change. Use unreachable in getCUOffset.Manman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176963 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13No functionality change. Use unreachable in getCompileUnit.Manman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176962 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Debug Info: use DW_FORM_ref_addr instead of DW_FORM_ref4 if the referenced DIEManman Ren
belongs to a different compile unit. DW_FORM_ref_addr should be used for cross compile-unit reference. When compiling a large application, we got a dwarfdump verification error where abstract_origin points to nowhere. This error can't be reproduced on any testing case in MultiSource. We may have other cases where we use DW_FORM_ref4 unconditionally. rdar://problem/13370501 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176882 91177308-0d34-0410-b5e6-96231b3b80d8
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