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Adrian Prantl 1f599f9f65 IR / debug info: Add a DWOId field to DICompileUnit, 
so DWARF skeleton CUs can be expression in IR. A skeleton CU is a
(typically empty) DW_TAG_compile_unit that has a DW_AT_(GNU)_dwo_name and
a DW_AT_(GNU)_dwo_id attribute. It is used to refer to external debug info.

This is a prerequisite for clang module debugging as discussed in
http://lists.cs.uiuc.edu/pipermail/cfe-dev/2014-November/040076.html.
In order to refer to external types stored in split DWARF (dwo) objects,
such as clang modules, we need to emit skeleton CUs, which identify the
dwarf object (i.e., the clang module) by filename (the SplitDebugFilename)
and a hash value, the dwo_id.

This patch only contains the IR changes. The idea is that a CUs with a
non-zero dwo_id field will be emitted together with a DW_AT_GNU_dwo_name
and DW_AT_GNU_dwo_id attribute.

http://reviews.llvm.org/D9488
rdar://problem/20091852

llvm-svn: 237949
 		2015-05-21 20:37:30 +00:00
..
AsmWriter.cpp IR / debug info: Add a DWOId field to DICompileUnit, 2015-05-21 20:37:30 +00:00
AttributeImpl.h Add missing dereferenceable_or_null getters 2015-05-06 17:41:54 +00:00
Attributes.cpp Change typeIncompatible to return an AttrBuilder instead of new-ing an AttributeSet. 2015-05-06 23:19:56 +00:00
AutoUpgrade.cpp [opaque pointer type] Pass explicit type to Load instruction creation in AutoUpgrade 2015-05-20 21:46:30 +00:00
BasicBlock.cpp Add a speculative execution pass 2015-05-15 17:54:48 +00:00
CMakeLists.txt [opaque pointer type] Explicit pointee type for GEPOperator/GEPConstantExpr. 2015-05-08 00:42:26 +00:00
Comdat.cpp IR: Add COMDATs to the IR 2014-06-27 18:19:56 +00:00
ConstantFold.cpp [opaque pointer type] Pass explicit pointee type in another case of GEP constant folding 2015-05-21 00:06:38 +00:00
ConstantFold.h Recommit r236670: [opaque pointer type] Pass explicit pointer type through GEP constant folding"" 2015-05-07 17:28:58 +00:00
ConstantRange.cpp [ConstantRange] Split makeICmpRegion in two. 2015-03-18 00:41:24 +00:00
Constants.cpp [opaque pointer type] Explicit pointee type for GEPOperator/GEPConstantExpr. 2015-05-08 00:42:26 +00:00
ConstantsContext.h Fix some odd whitespace and formatting errors while making 2015-05-18 21:49:02 +00:00
Core.cpp [opaque pointer type] Pass GlobalAlias the actual pointer type rather than decomposing it into pointee type + address space 2015-04-29 21:22:39 +00:00
DIBuilder.cpp IR / debug info: Add a DWOId field to DICompileUnit, 2015-05-21 20:37:30 +00:00
DataLayout.cpp COFF: Let globals with private linkage reside in their own section 2015-03-17 23:54:51 +00:00
DebugInfo.cpp IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DebugInfoMetadata.cpp IR / debug info: Add a DWOId field to DICompileUnit, 2015-05-21 20:37:30 +00:00
DebugLoc.cpp IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DiagnosticInfo.cpp [IR/Diagnostic] Assert that DebugLoc is valid before accessing. 2015-05-04 18:08:35 +00:00
DiagnosticPrinter.cpp Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
Dominators.cpp [DomTree] verifyDomTree to unconditionally perform DT verification 2015-05-06 08:18:41 +00:00
Function.cpp Store intrinsic ID by value in Function instead of a string lookup. NFC. 2015-05-19 00:24:26 +00:00
GCOV.cpp Remove more superfluous .str() and replace std::string concatenation with Twine. 2015-03-30 15:42:36 +00:00
GVMaterializer.cpp [Layering] Move GVMaterializer.h into the IR library where its 2014-03-06 03:50:29 +00:00
Globals.cpp While in GlobalValue fix the function(s) that don't follow the 2015-05-15 18:20:14 +00:00
IRBuilder.cpp Change Function::getIntrinsicID() to return an Intrinsic::ID. NFC. 2015-05-20 17:16:39 +00:00
IRPrintingPasses.cpp uselistorder: Pull the bit through PrintModulePass 2015-04-15 02:38:06 +00:00
InlineAsm.cpp Silence sign compare warning. NFC. 2015-03-29 20:49:03 +00:00
Instruction.cpp Return iterator from Instruction::eraseFromParent. 2015-04-02 00:03:07 +00:00
Instructions.cpp [opaque pointer type] Pass explicit type to Load instruction creation in AutoUpgrade 2015-05-20 21:46:30 +00:00
IntrinsicInst.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
LLVMBuild.txt
…
LLVMContext.cpp Dereferenceable, dereferenceable_or_null metadata for loads 2015-05-19 20:10:19 +00:00
LLVMContextImpl.cpp Add the i128 builtin type to LLVM. 2015-04-17 15:32:15 +00:00
LLVMContextImpl.h IR / debug info: Add a DWOId field to DICompileUnit, 2015-05-21 20:37:30 +00:00
LegacyPassManager.cpp [NFC] Converting to range-based for. 2015-04-29 21:45:22 +00:00
MDBuilder.cpp Add function entry count metadata. 2015-05-13 15:13:45 +00:00
Makefile
…
Mangler.cpp Revert "Address review comments" 2015-03-17 20:40:21 +00:00
Metadata.cpp IR: Add Function metadata attachments 2015-04-24 21:51:02 +00:00
MetadataImpl.h Added missing header for the explicit dependency on MDNode. 2015-02-04 00:20:52 +00:00
MetadataTracking.cpp IR: Store RAUW support and Context in the same pointer, NFC 2015-01-19 19:02:06 +00:00
Module.cpp While in GlobalValue fix the function(s) that don't follow the 2015-05-15 18:20:14 +00:00
Operator.cpp [opaque pointer type] Explicit pointee type for GEPOperator/GEPConstantExpr. 2015-05-08 00:42:26 +00:00
Pass.cpp Refactoring cl::parser construction and initialization. 2015-01-22 21:01:12 +00:00
PassManager.cpp [PM] Push the debug option for the new pass manager into the opt tool 2015-01-13 22:42:38 +00:00
PassRegistry.cpp Revert r231276 (including r231277): Add a lock() function in PassRegistry to speed up multi-thread synchronization. 2015-03-05 17:53:00 +00:00
Statepoint.cpp Add invoke related functionality into StatepointSite classes. 2015-02-19 11:02:11 +00:00
SymbolTableListTraitsImpl.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
Type.cpp Extract the load/store type verification to a separate function. 2015-05-18 21:48:55 +00:00
TypeFinder.cpp Fix Value dangling reference debug output 2015-03-10 23:55:38 +00:00
Use.cpp Fix a URL (NFC) 2014-08-21 21:09:24 +00:00
User.cpp IR: Cleanup comments for Value, User, and MDNode 2014-10-15 20:28:31 +00:00
Value.cpp Store intrinsic ID by value in Function instead of a string lookup. NFC. 2015-05-19 00:24:26 +00:00
ValueSymbolTable.cpp Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
ValueTypes.cpp Add support for v1i128 type. 2015-04-17 16:11:05 +00:00
Verifier.cpp [opaque pointer type] Pass explicit type to Load instruction creation in AutoUpgrade 2015-05-20 21:46:30 +00:00
module.modulemap [modules] Add module maps for LLVM. These are not quite ready for prime-time 2014-05-21 02:46:14 +00:00