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IR: Give 'DI' prefix to debug info metadata

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IR: Give 'DI' prefix to debug info metadata

Finish off PR23080 by renaming the debug info IR constructs from MD*
to DI*. The last of the DIDescriptor classes were deleted in
r235356, and the last of the related typedefs removed in r235413, so
this has all baked for about a week.

Note: If you have out-of-tree code (like a frontend), I recommend that
you get everything compiling and tests passing with the *previous*
commit before updating to this one. It'll be easier to keep track of
what code is using the DIDescriptor hierarchy and what you've already
updated, and I think you're extremely unlikely to insert bugs. YMMV of
course.

Back to *this* commit: I did this using the rename-md-di-nodes.sh
upgrade script I've attached to PR23080 (both code and testcases) and
filtered through clang-format-diff.py. I edited the tests for
test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns
were off-by-three. It should work on your out-of-tree testcases (and
code, if you've followed the advice in the previous paragraph).

Some of the tests are in badly named files now (e.g.,
test/Assembler/invalid-mdcompositetype-missing-tag.ll should be
'dicompositetype'); I'll come back and move the files in a follow-up
commit.

Details

Committed
dexonsmithApr 29 2015, 9:38 AM
Parents
rL236119: CodeGen: Default overflow operations to expand so we don't have to assumeā€¦
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