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2013-07-15Merge commit '7dfcb84fc16b3bf6b2379713b53090757f0a45f9'Eli Bendersky
Conflicts: docs/LangRef.rst include/llvm/CodeGen/CallingConvLower.h include/llvm/IRReader/IRReader.h include/llvm/Target/TargetMachine.h lib/CodeGen/CallingConvLower.cpp lib/IRReader/IRReader.cpp lib/IRReader/LLVMBuild.txt lib/IRReader/Makefile lib/LLVMBuild.txt lib/Makefile lib/Support/MemoryBuffer.cpp lib/Support/Unix/PathV2.inc lib/Target/ARM/ARMBaseInstrInfo.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/ARMInstrInfo.td lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/ARMTargetMachine.cpp lib/Target/Mips/CMakeLists.txt lib/Target/Mips/MipsDelaySlotFiller.cpp lib/Target/Mips/MipsISelLowering.cpp lib/Target/Mips/MipsInstrInfo.td lib/Target/Mips/MipsSubtarget.cpp lib/Target/Mips/MipsSubtarget.h lib/Target/X86/X86FastISel.cpp lib/Target/X86/X86ISelDAGToDAG.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86InstrControl.td lib/Target/X86/X86InstrFormats.td lib/Transforms/IPO/ExtractGV.cpp lib/Transforms/InstCombine/InstCombineCompares.cpp lib/Transforms/Utils/SimplifyLibCalls.cpp test/CodeGen/X86/fast-isel-divrem.ll test/MC/ARM/data-in-code.ll tools/Makefile tools/llvm-extract/llvm-extract.cpp tools/llvm-link/CMakeLists.txt tools/opt/CMakeLists.txt tools/opt/LLVMBuild.txt tools/opt/Makefile tools/opt/opt.cpp
2013-05-21Merging r182344:Bill Wendling
------------------------------------------------------------------------ r182344 | mren | 2013-05-20 17:57:22 -0700 (Mon, 20 May 2013) | 7 lines Dwarf: use a single line table to generate assembly when .loc is used. This is to fix PR15408 where an undefined symbol Lline_table_start1 is used. Since we do not generate the debug_line section when .loc is used, Lline_table_start1 is not emitted and we can't refer to it when calculating at_stmt_list for a compile unit. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@182346 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-08Merging r181296:Bill Wendling
------------------------------------------------------------------------ r181296 | timurrrr | 2013-05-07 00:47:47 -0700 (Tue, 07 May 2013) | 1 line Fix the VS2010 build broken by r181271 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@181379 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
2013-03-11Remove support for versioned debug info.David Blaikie
Versioned debug info support has been a burden to maintain & also compromised current debug info verification by causing test cases testing old debug info to remain rather than being updated to the latest. It also makes it hard to add or change the metadata schema by requiring various backwards-compatibility in the DI* hierarchy. So it's being removed in preparation for new changes to the schema to tidy up old/unnecessary fields and add new fields needed for new debug info (well, new to LLVM at least). The more surprising part of this is the changes to DI*::Verify - this became necessary due to the changes to AsmWriter. AsmWriter was relying on the version test to decide which bits of metadata were actually debug info when printing the comment annotations. Without the version information the tag numbers were too common & it would print debug info on random metadata that happened to start with an integer that matched a tag number. Instead this change makes the Verify functions more precise (just adding "number of operands" checks - not type checking those operands yet) & relies on that to decide which metadata is debug info metadata. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176838 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Merge commit '279b9184c2ff4fea93b198a3519b8cb3a1d8d195'Eli Bendersky
Conflicts: include/llvm/CodeGen/LexicalScopes.h include/llvm/MC/MCAsmInfo.h lib/Linker/LinkArchives.cpp lib/Linker/LinkItems.cpp lib/MC/MCAsmInfo.cpp lib/MC/MCDwarf.cpp lib/Target/ARM/ARMInstrInfo.td lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp lib/Target/Mips/MipsAsmPrinter.cpp lib/Target/Mips/MipsDelaySlotFiller.cpp lib/Target/Mips/MipsISelDAGToDAG.cpp lib/Target/Mips/MipsSubtarget.cpp lib/Target/Mips/MipsSubtarget.h lib/Target/Mips/MipsTargetObjectFile.cpp lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp lib/Target/X86/X86FastISel.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86TargetMachine.cpp lib/Transforms/CMakeLists.txt lib/Transforms/LLVMBuild.txt lib/Transforms/Makefile test/MC/ARM/arm_instructions.s test/MC/X86/AlignedBundling/pad-align-to-bundle-end.s
2013-03-07Debug Info: store the files and directories for each compile unit.Manman Ren
We now emit a line table for each compile unit. To reduce the prologue size of each line table, the files and directories used by each compile unit are stored in std::map<unsigned, std::vector< > > instead of std::vector< >. The prologue for a lto'ed image can be as big as 93K. Duplicating 93K for each compile unit causes a huge increase of debug info. With this patch, each prologue will only emit the files required by the compile unit. rdar://problem/13342023 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176605 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove unnecessary check against isGlobalVariable. We check itEric Christopher
a few lines above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176224 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Rework comment slightly and fix a few typos.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176223 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, always put AT_MIPS_linkage_name to theManman Ren
definition DIE (TAG_variable), and put AT_MIPS_linkage_name to TAG_member when DarwinGDBCompat is true. Darwin GDB needs AT_MIPS_linkage_name at both places to work. Follow-up patch to r176143. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176220 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, add AT_MIPS_linkage_name to theManman Ren
definition DIE, to make old GDB happy. We have a regression for old GDB when Clang uses DW_TAG_member to declare static members inside a class, instead of DW_TAG_variable. This patch will fix this regression. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176143 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Revert r176120 as it caused a failure at static-member.cppManman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176129 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Debug Info: for static member variables, move AT_MIPS_linkage_name fromManman Ren
TAG_member inside a class to the specification DIE. Having AT_MIPS_linkage_name on TAG_member caused old gdb (GNU 6.3.50) to error out. Also gcc 4.7 has AT_MIPS_linkage_name on the specification DIE. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176120 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Use getSplitDebugFilename when constructing the skeleton cu andEric Christopher
update testcase accordingly to give the correct name to the cu. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175934 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19Prune AsmParser (target and generic).Jan Voung
This is for the sandboxed llvm translator. Rough estimate, from companion test: https://codereview.chromium.org/12218141/ """ Pruned out approx 35099 bytes worth of MCAsmParser symbols Pruned out approx 49935 bytes worth of ::AsmParser symbols Pruned out approx 183308 bytes worth of ARMAsmParser symbols Pruned out approx 54552 bytes worth of X86AsmParser symbols Pruned out approx 11415 bytes worth of ELFAsmParser symbols Pruned out approx 7253 bytes worth of COFFAsmParser symbols Pruned out approx 18450 bytes worth of DarwinAsmParser symbols Pruned out approx 403 bytes worth of MCAsmLexer symbols Pruned out approx 7009 bytes worth of ::AsmLexer symbols Pruned out approx 359436 bytes worth of MatchTable symbols """ BUG= https://code.google.com/p/nativeclient/issues/detail?id=1222 Review URL: https://codereview.chromium.org/12218139
2013-02-15Make helpers static. Add missing include so LLVMInitializeObjCARCOpts gets C ↵Benjamin Kramer
linkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175264 91177308-0d34-0410-b5e6-96231b3b80d8
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