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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61724 91177308-0d34-0410-b5e6-96231b3b80d8
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llvm.dbg.compile_units to identify source file for various debug entities. Each llvm.dbg.compile_unit matches one file on the disk. However, the backend only supports one DW_TAG_compile_unit per .o file. The backend selects first compile_unit from the vector to construct DW_TAG_compile_unit entry, which is not correct in all cases.
First step to resolve this is, record file name and directory directly in debug info for various debug entities.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61164 91177308-0d34-0410-b5e6-96231b3b80d8
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instruction or BasicBlock, and to search for DbgDeclareInst corresponding to a
variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61084 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61083 91177308-0d34-0410-b5e6-96231b3b80d8
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Add missing DIType constructor, needed by DIVariable::getType().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60976 91177308-0d34-0410-b5e6-96231b3b80d8
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implementation detail of DIFactory anyway, and this allows it to avoid
recomputing the same type over and over.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58960 91177308-0d34-0410-b5e6-96231b3b80d8
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information. This logically replaces the "Desc" classes in
MachineModuleInfo. Nice features of these classes are that they:
1. Are much more efficient than MMI because they don't create a
temporary parallel data structure for debug info that has to be
'serialized' and 'deserialized' into/out of the module.
2. These provide a much cleaner abstraction for debug info than
MMI, which will make it easier to change the implementation in
the future (to be MDNode-based).
3. These are much easier to use than the MMI interfaces, requiring
a lot less code in the front-ends.
4. These can be used to both create (for frontends) and read (for
codegen) debug information. DebugInfoBuilder can only be used
to create the nodes.
So far, this is implemented just enough to support the debug info
generation needs of clang. This can and should be extended to
support the full set of debug info constructs, and we should switch
llvm-gcc and llc over to using this in the near future.
This code also has a ton of FIXMEs in it, because the way we
currently represent debug info in LLVM IR is basically insane in a
variety of details. This sort of issue should be fixed when we
eventually reimplement debug info on top of MDNodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58954 91177308-0d34-0410-b5e6-96231b3b80d8
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