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DI: Remove DW_TAG_arg_variable and DW_TAG_auto_variable

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Remove the fake `DW_TAG_auto_variable` and `DW_TAG_arg_variable` tags,
using `DW_TAG_variable` in their place Stop exposing the `tag:` field at
all in the assembly format for `DILocalVariable`.

Most of the testcase updates were generated by the following sed script:

    find test/ -name "*.ll" -o -name "*.mir" |
    xargs grep -l 'DILocalVariable' |
    xargs sed -i '' \
      -e 's/tag: DW_TAG_arg_variable, //' \
      -e 's/tag: DW_TAG_auto_variable, //'

There were only a handful of tests in `test/Assembly` that I needed to
update by hand.

(Note: a follow-up could change `DILocalVariable::DILocalVariable()` to
set the tag to `DW_TAG_formal_parameter` instead of `DW_TAG_variable`
(as appropriate), instead of having that logic magically in the backend
in `DbgVariable`.  I've added a FIXME to that effect.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243774 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-07-31 18:58:39 +00:00
parent 48db91bcc3
commit bf2040f00c
297 changed files with 1100 additions and 1111 deletions
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2
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@@ -299,8 +299,6 @@ void DwarfUnit::addDIEEntry(DIE &Die, dwarf::Attribute Attribute,
}
DIE &DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, const DINode *N) {
assert(Tag != dwarf::DW_TAG_auto_variable &&
Tag != dwarf::DW_TAG_arg_variable);
DIE &Die = Parent.addChild(DIE::get(DIEValueAllocator, (dwarf::Tag)Tag));
if (N)
insertDIE(N, &Die);