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, 24 insertions, 24 deletions

diff --git a/llvm/test/CodeGen/Hexagon/hwloop-dbg.ll b/llvm/test/CodeGen/Hexagon/hwloop-dbg.ll
index 2fa7f529801..66c6662f735 100644
--- a/llvm/test/CodeGen/Hexagon/hwloop-dbg.ll
+++ b/llvm/test/CodeGen/Hexagon/hwloop-dbg.ll
@@ -5,9 +5,9 @@ target triple = "hexagon"
 
 define void @foo(i32* nocapture %a, i32* nocapture %b) nounwind {
 entry:
-  tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !13, metadata !MDExpression()), !dbg !17
-  tail call void @llvm.dbg.value(metadata i32* %b, i64 0, metadata !14, metadata !MDExpression()), !dbg !18
-  tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !MDExpression()), !dbg !19
+  tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !13, metadata !DIExpression()), !dbg !17
+  tail call void @llvm.dbg.value(metadata i32* %b, i64 0, metadata !14, metadata !DIExpression()), !dbg !18
+  tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !DIExpression()), !dbg !19
   br label %for.body, !dbg !19
 
 for.body:                                         ; preds = %for.body, %entry
@@ -18,11 +18,11 @@ for.body:                                         ; preds = %for.body, %entry
   %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
   %b.addr.01 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.body ]
   %incdec.ptr = getelementptr inbounds i32, i32* %b.addr.01, i32 1, !dbg !21
-  tail call void @llvm.dbg.value(metadata i32* %incdec.ptr, i64 0, metadata !14, metadata !MDExpression()), !dbg !21
+  tail call void @llvm.dbg.value(metadata i32* %incdec.ptr, i64 0, metadata !14, metadata !DIExpression()), !dbg !21
   %0 = load i32, i32* %b.addr.01, align 4, !dbg !21
   store i32 %0, i32* %arrayidx.phi, align 4, !dbg !21
   %inc = add nsw i32 %i.02, 1, !dbg !26
-  tail call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !15, metadata !MDExpression()), !dbg !26
+  tail call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !15, metadata !DIExpression()), !dbg !26
   %exitcond = icmp eq i32 %inc, 10, !dbg !19
   %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1
   br i1 %exitcond, label %for.end, label %for.body, !dbg !19
@@ -37,28 +37,28 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!29}
 
-!0 = !MDCompileUnit(language: DW_LANG_C99, producer: "QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", isOptimized: true, emissionKind: 1, file: !28, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2)
+!0 = !DICompileUnit(language: DW_LANG_C99, producer: "QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", isOptimized: true, emissionKind: 1, file: !28, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2)
 !2 = !{}
 !3 = !{!5}
-!5 = !MDSubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !28, scope: null, type: !7, function: void (i32*, i32*)* @foo, variables: !11)
-!6 = !MDFile(filename: "hwloop-dbg.c", directory: "/usr2/kparzysz/s.hex/t")
-!7 = !MDSubroutineType(types: !8)
+!5 = !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !28, scope: null, type: !7, function: void (i32*, i32*)* @foo, variables: !11)
+!6 = !DIFile(filename: "hwloop-dbg.c", directory: "/usr2/kparzysz/s.hex/t")
+!7 = !DISubroutineType(types: !8)
 !8 = !{null, !9, !9}
-!9 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !10)
-!10 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !10)
+!10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
 !11 = !{!13, !14, !15}
-!13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 1, arg: 1, scope: !5, file: !6, type: !9)
-!14 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 1, arg: 2, scope: !5, file: !6, type: !9)
-!15 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 2, scope: !16, file: !6, type: !10)
-!16 = distinct !MDLexicalBlock(line: 1, column: 26, file: !28, scope: !5)
-!17 = !MDLocation(line: 1, column: 15, scope: !5)
-!18 = !MDLocation(line: 1, column: 23, scope: !5)
-!19 = !MDLocation(line: 3, column: 8, scope: !20)
-!20 = distinct !MDLexicalBlock(line: 3, column: 3, file: !28, scope: !16)
-!21 = !MDLocation(line: 4, column: 5, scope: !22)
-!22 = distinct !MDLexicalBlock(line: 3, column: 28, file: !28, scope: !20)
-!26 = !MDLocation(line: 3, column: 23, scope: !20)
-!27 = !MDLocation(line: 6, column: 1, scope: !16)
-!28 = !MDFile(filename: "hwloop-dbg.c", directory: "/usr2/kparzysz/s.hex/t")
+!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 1, arg: 1, scope: !5, file: !6, type: !9)
+!14 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 1, arg: 2, scope: !5, file: !6, type: !9)
+!15 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 2, scope: !16, file: !6, type: !10)
+!16 = distinct !DILexicalBlock(line: 1, column: 26, file: !28, scope: !5)
+!17 = !DILocation(line: 1, column: 15, scope: !5)
+!18 = !DILocation(line: 1, column: 23, scope: !5)
+!19 = !DILocation(line: 3, column: 8, scope: !20)
+!20 = distinct !DILexicalBlock(line: 3, column: 3, file: !28, scope: !16)
+!21 = !DILocation(line: 4, column: 5, scope: !22)
+!22 = distinct !DILexicalBlock(line: 3, column: 28, file: !28, scope: !20)
+!26 = !DILocation(line: 3, column: 23, scope: !20)
+!27 = !DILocation(line: 6, column: 1, scope: !16)
+!28 = !DIFile(filename: "hwloop-dbg.c", directory: "/usr2/kparzysz/s.hex/t")
 !29 = !{i32 1, !"Debug Info Version", i32 3}
 !30 = !{i32 0}