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, 23 insertions, 23 deletions

diff --git a/llvm/test/DebugInfo/inlined-arguments.ll b/llvm/test/DebugInfo/inlined-arguments.ll
index 5d416f7dc7f..912ebb1321e 100644
--- a/llvm/test/DebugInfo/inlined-arguments.ll
+++ b/llvm/test/DebugInfo/inlined-arguments.ll
@@ -24,16 +24,16 @@
 
 ; Function Attrs: uwtable
 define void @_Z2f2v() #0 {
-  tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !16, metadata !MDExpression()), !dbg !18
-  tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !20, metadata !MDExpression()), !dbg !18
+  tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !16, metadata !DIExpression()), !dbg !18
+  tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !20, metadata !DIExpression()), !dbg !18
   tail call void @_Z2f3i(i32 2), !dbg !21
   ret void, !dbg !22
 }
 
 ; Function Attrs: uwtable
 define void @_Z2f1ii(i32 %x, i32 %y) #0 {
-  tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !13, metadata !MDExpression()), !dbg !23
-  tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !14, metadata !MDExpression()), !dbg !23
+  tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !13, metadata !DIExpression()), !dbg !23
+  tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !14, metadata !DIExpression()), !dbg !23
   tail call void @_Z2f3i(i32 %y), !dbg !24
   ret void, !dbg !25
 }
@@ -50,30 +50,30 @@ attributes #2 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!26}
 
-!0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
-!1 = !MDFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
+!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
 !2 = !{}
 !3 = !{!4, !8}
-!4 = !MDSubprogram(name: "f2", linkageName: "_Z2f2v", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !1, scope: !5, type: !6, function: void ()* @_Z2f2v, variables: !2)
-!5 = !MDFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
-!6 = !MDSubroutineType(types: !7)
+!4 = !DISubprogram(name: "f2", linkageName: "_Z2f2v", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !1, scope: !5, type: !6, function: void ()* @_Z2f2v, variables: !2)
+!5 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
+!6 = !DISubroutineType(types: !7)
 !7 = !{null}
-!8 = !MDSubprogram(name: "f1", linkageName: "_Z2f1ii", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !5, type: !9, function: void (i32, i32)* @_Z2f1ii, variables: !12)
-!9 = !MDSubroutineType(types: !10)
+!8 = !DISubprogram(name: "f1", linkageName: "_Z2f1ii", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !5, type: !9, function: void (i32, i32)* @_Z2f1ii, variables: !12)
+!9 = !DISubroutineType(types: !10)
 !10 = !{null, !11, !11}
-!11 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
 !12 = !{!13, !14}
-!13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11)
-!14 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11)
+!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11)
+!14 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11)
 !15 = !{i32 undef}
-!16 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11)
-!17 = !MDLocation(line: 4, scope: !4)
-!18 = !MDLocation(line: 6, scope: !8, inlinedAt: !17)
+!16 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11)
+!17 = !DILocation(line: 4, scope: !4)
+!18 = !DILocation(line: 6, scope: !8, inlinedAt: !17)
 !19 = !{i32 2}
-!20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11)
-!21 = !MDLocation(line: 7, scope: !8, inlinedAt: !17)
-!22 = !MDLocation(line: 5, scope: !4)
-!23 = !MDLocation(line: 6, scope: !8)
-!24 = !MDLocation(line: 7, scope: !8)
-!25 = !MDLocation(line: 8, scope: !8)
+!20 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11)
+!21 = !DILocation(line: 7, scope: !8, inlinedAt: !17)
+!22 = !DILocation(line: 5, scope: !4)
+!23 = !DILocation(line: 6, scope: !8)
+!24 = !DILocation(line: 7, scope: !8)
+!25 = !DILocation(line: 8, scope: !8)
 !26 = !{i32 1, !"Debug Info Version", i32 3}