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Duncan P. N. Exon Smith 99f12691dd IR: Change MDFile to directly store the filename/directory 
In the old (well, current) schema, there are two types of file
references: untagged and tagged (the latter references the former).

    !0 = !{!"filename", !"/directory"}
    !1 = !{!"0x29", !1} ; DW_TAG_file_type [filename] [/directory]

The interface to `DIBuilder` universally takes the tagged version,
described by `DIFile`.  However, most `file:` references actually use
the untagged version directly.

In the new hierarchy, I'm merging this into a single node: `MDFile`.

Originally I'd planned to keep the old schema unchanged until after I
moved the new hierarchy into place.

However, it turns out to be trivial to make `MDFile` match both nodes at
the same time.

  - Anyone referencing !1 does so through `DIFile`, whose implementation
    I need to gut anyway (as I do the rest of the `DIDescriptor`s).
  - Anyone referencing !0 just references an `MDNode`, and expects a
    node with two `MDString` operands.

This commit achieves that, and updates all the testcases for the parts
of the new hierarchy that used the two-node schema (I've replaced the
untagged nodes with `distinct !{}` to make the diff clear (otherwise the
metadata all gets renumbered); it might be worthwhile to come back and
delete those nodes and renumber the world, not sure).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230057 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-20 20:35:17 +00:00
..
AsmWriter.cpp Bitcode: Stop assuming non-null fields 2015-02-20 03:17:58 +00:00
AsmWriter.h Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; LLVM edition. 2015-02-15 22:54:22 +00:00
AttributeImpl.h Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; LLVM edition. 2015-02-15 22:54:22 +00:00
Attributes.cpp InstCombine: propagate deref via new addDereferenceableAttr 2015-02-14 19:37:54 +00:00
AutoUpgrade.cpp [X86] Remove AVX2 and SSE2 pslldq and psrldq intrinsics. We can represent them in IR with vector shuffles now. All their uses have been removed from clang in favor of shuffles. 2015-02-18 06:24:44 +00:00
BasicBlock.cpp Add a pass for inserting safepoints into (nearly) arbitrary IR 2015-02-04 00:37:33 +00:00
CMakeLists.txt Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Comdat.cpp IR: Add COMDATs to the IR 2014-06-27 18:19:56 +00:00
ConstantFold.cpp Prefer SmallVector::append/insert over push_back loops. 2015-02-17 15:29:18 +00:00
ConstantFold.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
ConstantRange.cpp [Modules] Move the ConstantRange class into the IR library. This is 2014-03-04 12:24:34 +00:00
Constants.cpp Constants.cpp: Only read 32 bits for float. 2015-02-20 15:11:55 +00:00
ConstantsContext.h Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; LLVM edition. 2015-02-15 22:54:22 +00:00
Core.cpp [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
DataLayout.cpp DataLayout: Validate that the pref alignment is at least the ABI align 2015-02-16 05:41:55 +00:00
DebugInfo.cpp IR: Drop the scope in DI template parameters 2015-02-18 20:30:45 +00:00
DebugInfoMetadata.cpp IR: Change MDFile to directly store the filename/directory 2015-02-20 20:35:17 +00:00
DebugLoc.cpp IR: Cleanup dead code, NFC 2015-01-16 17:31:29 +00:00
DiagnosticInfo.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
DiagnosticPrinter.cpp Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
DIBuilder.cpp IR: Drop the scope in DI template parameters 2015-02-18 20:30:45 +00:00
Dominators.cpp [PM] Port domtree to the new pass manager (at last). 2015-01-14 10:19:28 +00:00
Function.cpp InstCombine: propagate deref via new addDereferenceableAttr 2015-02-14 19:37:54 +00:00
GCOV.cpp llvm-cov: Don't use llvm::outs() in library code 2015-01-23 23:09:27 +00:00
Globals.cpp The leak detector is dead, long live asan and valgrind. 2014-12-22 13:00:36 +00:00
GVMaterializer.cpp [Layering] Move GVMaterializer.h into the IR library where its 2014-03-06 03:50:29 +00:00
InlineAsm.cpp Reformat (and remove some tabs) to make debugging this code a 2015-02-10 21:15:06 +00:00
Instruction.cpp The leak detector is dead, long live asan and valgrind. 2014-12-22 13:00:36 +00:00
Instructions.cpp IR: SrcTy == DstTy doesn't imply that a cast is valid 2015-02-16 09:37:35 +00:00
IntrinsicInst.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
IRBuilder.cpp [Statepoint] Improve two asserts, fix some style (NFC) 2015-02-09 23:02:10 +00:00
IRPrintingPasses.cpp [PM] Switch the new pass manager to use a reference-based API for IR 2015-01-05 02:47:05 +00:00
LegacyPassManager.cpp [LPM] A targeted but somewhat horrible fix to the legacy pass manager's 2015-01-28 09:47:21 +00:00
LLVMBuild.txt
LLVMContext.cpp Fix LLVMContext to match what MDKind names that the LL parser permits. Fixes PR21799! 2014-12-11 02:10:28 +00:00
LLVMContextImpl.cpp Revert GCStrategy ownership changes 2015-01-26 18:26:35 +00:00
LLVMContextImpl.h IR: Fix MDType fields from unsigned to uint64_t 2015-02-19 23:56:07 +00:00
Makefile Actually update the CMake and Makefile builds correctly, and update the 2013-01-02 12:09:16 +00:00
Mangler.cpp Silencing an "enumeral and non-enumeral type in conditional expression" warning; NFC. 2014-10-28 13:12:13 +00:00
MDBuilder.cpp IR: Return unique_ptr from MDNode::getTemporary() 2015-01-19 21:30:18 +00:00
Metadata.cpp IR: Add MDNode::replaceWithPermanent() 2015-02-10 19:13:46 +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 Verifier: Check for null operands in !llvm.module.flags 2015-02-11 09:13:06 +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
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 [PM] Remove an unused and rather expensive mapping from an analysis 2014-10-06 00:30:59 +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 [slp] Fix a nasty bug in the SLP vectorizer that Joerg pointed out. 2015-02-12 02:30:56 +00:00
TypeFinder.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
Use.cpp Fix a URL (NFC) 2014-08-21 21:09:24 +00:00
UseListOrder.cpp verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
User.cpp IR: Cleanup comments for Value, User, and MDNode 2014-10-15 20:28:31 +00:00
Value.cpp isDereferenceablePointer: look through gc.relocate calls 2015-02-09 21:08:03 +00:00
ValueSymbolTable.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
ValueTypes.cpp Add v4f16 to supported value types. 2013-10-03 03:29:21 +00:00
Verifier.cpp Verifier: Unused comdats might not have a corresponding GV 2015-02-20 19:58:48 +00:00