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.

llvm-svn: 236120

1 files changed, 29 insertions, 29 deletions

diff --git a/llvm/test/CodeGen/ARM/debug-frame.ll b/llvm/test/CodeGen/ARM/debug-frame.ll
index 1205585b412..f7caaeadd58 100644
--- a/llvm/test/CodeGen/ARM/debug-frame.ll
+++ b/llvm/test/CodeGen/ARM/debug-frame.ll
@@ -128,41 +128,41 @@ declare void @_ZSt9terminatev()
 !llvm.module.flags = !{!10, !11}
 !llvm.ident = !{!12}
 
-!0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
-!1 = !MDFile(filename: "exp.cpp", directory: "/tmp")
+!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "exp.cpp", directory: "/tmp")
 !2 = !{}
 !3 = !{!4}
-!4 = !MDSubprogram(name: "test", linkageName: "_Z4testiiiiiddddd", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !5, type: !6, function: void (i32, i32, i32, i32, i32, double, double, double, double, double)* @_Z4testiiiiiddddd, variables: !2)
-!5 = !MDFile(filename: "exp.cpp", directory: "/tmp")
-!6 = !MDSubroutineType(types: !7)
+!4 = !DISubprogram(name: "test", linkageName: "_Z4testiiiiiddddd", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !5, type: !6, function: void (i32, i32, i32, i32, i32, double, double, double, double, double)* @_Z4testiiiiiddddd, variables: !2)
+!5 = !DIFile(filename: "exp.cpp", directory: "/tmp")
+!6 = !DISubroutineType(types: !7)
 !7 = !{null, !8, !8, !8, !8, !8, !9, !9, !9, !9, !9}
-!8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-!9 = !MDBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
 !10 = !{i32 2, !"Dwarf Version", i32 4}
 !11 = !{i32 1, !"Debug Info Version", i32 3}
 !12 = !{!"clang version 3.5 "}
-!13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 4, arg: 1, scope: !4, file: !5, type: !8)
-!14 = !MDLocation(line: 4, scope: !4)
-!15 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 4, arg: 2, scope: !4, file: !5, type: !8)
-!16 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg: 3, scope: !4, file: !5, type: !8)
-!17 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "d", line: 4, arg: 4, scope: !4, file: !5, type: !8)
-!18 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "e", line: 4, arg: 5, scope: !4, file: !5, type: !8)
-!19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "m", line: 5, arg: 6, scope: !4, file: !5, type: !9)
-!20 = !MDLocation(line: 5, scope: !4)
-!21 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "n", line: 5, arg: 7, scope: !4, file: !5, type: !9)
-!22 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p", line: 5, arg: 8, scope: !4, file: !5, type: !9)
-!23 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "q", line: 5, arg: 9, scope: !4, file: !5, type: !9)
-!24 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "r", line: 5, arg: 10, scope: !4, file: !5, type: !9)
-!25 = !MDLocation(line: 7, scope: !26)
-!26 = distinct !MDLexicalBlock(line: 6, column: 0, file: !1, scope: !4)
-!27 = !MDLocation(line: 8, scope: !26)
-!28 = !MDLocation(line: 11, scope: !26)
-!29 = !MDLocation(line: 9, scope: !30)
-!30 = distinct !MDLexicalBlock(line: 8, column: 0, file: !1, scope: !4)
-!31 = !MDLocation(line: 10, scope: !30)
-!32 = !MDLocation(line: 10, scope: !4)
-!33 = !MDLocation(line: 11, scope: !4)
-!34 = !MDLocation(line: 11, scope: !30)
+!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 4, arg: 1, scope: !4, file: !5, type: !8)
+!14 = !DILocation(line: 4, scope: !4)
+!15 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 4, arg: 2, scope: !4, file: !5, type: !8)
+!16 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "c", line: 4, arg: 3, scope: !4, file: !5, type: !8)
+!17 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "d", line: 4, arg: 4, scope: !4, file: !5, type: !8)
+!18 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "e", line: 4, arg: 5, scope: !4, file: !5, type: !8)
+!19 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "m", line: 5, arg: 6, scope: !4, file: !5, type: !9)
+!20 = !DILocation(line: 5, scope: !4)
+!21 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "n", line: 5, arg: 7, scope: !4, file: !5, type: !9)
+!22 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "p", line: 5, arg: 8, scope: !4, file: !5, type: !9)
+!23 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "q", line: 5, arg: 9, scope: !4, file: !5, type: !9)
+!24 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "r", line: 5, arg: 10, scope: !4, file: !5, type: !9)
+!25 = !DILocation(line: 7, scope: !26)
+!26 = distinct !DILexicalBlock(line: 6, column: 0, file: !1, scope: !4)
+!27 = !DILocation(line: 8, scope: !26)
+!28 = !DILocation(line: 11, scope: !26)
+!29 = !DILocation(line: 9, scope: !30)
+!30 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !4)
+!31 = !DILocation(line: 10, scope: !30)
+!32 = !DILocation(line: 10, scope: !4)
+!33 = !DILocation(line: 11, scope: !4)
+!34 = !DILocation(line: 11, scope: !30)
 
 ; CHECK-FP-LABEL: _Z4testiiiiiddddd:
 ; CHECK-FP:   .cfi_startproc