reorder the fields in DILexicalBlockFile to match the common prefix for DIScopes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177754 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 29 insertions, 23 deletions

diff --git a/include/llvm/DebugInfo.h b/include/llvm/DebugInfo.h
index 0c84689..05ca385 100644
--- a/include/llvm/DebugInfo.h
+++ b/include/llvm/DebugInfo.h
@@ -605,12 +605,12 @@ namespace llvm {
     unsigned getLineNumber() const { return getScope().getLineNumber(); }
     unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
     StringRef getDirectory() const {
-      return getFieldAs<DIFile>(2).getDirectory();
+      return getFieldAs<DIFile>(1).getDirectory();
     }
     StringRef getFilename() const {
-      return getFieldAs<DIFile>(2).getFilename();
+      return getFieldAs<DIFile>(1).getFilename();
     }
-    DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(1); }
+    DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(2); }
     bool Verify() const;
   };
 
diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index fe2176c..5602457 100644
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
@@ -1007,8 +1007,8 @@ DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope,
                                                      DIFile File) {
   Value *Elts[] = {
     GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
-    Scope,
-    File
+    File,
+    Scope
   };
   DILexicalBlockFile R(MDNode::get(VMContext, Elts));
   assert(
diff --git a/test/DebugInfo/X86/line-info.ll b/test/DebugInfo/X86/line-info.ll
index f587a4b..0c0a7ab 100644
--- a/test/DebugInfo/X86/line-info.ll
+++ b/test/DebugInfo/X86/line-info.ll
@@ -1,7 +1,8 @@
 ; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -O0 < %s > %t
 ; RUN: llvm-dwarfdump %t | FileCheck %s
 
-; CHECK: 2      0      1   0  is_stmt
+; CHECK: [[FILEID:[0-9]+]]]{{.*}}list0.h
+; CHECK: [[FILEID]]      0      1   0  is_stmt{{$}}
 
 ; IR generated from clang -g -emit-llvm with the following source:
 ; list0.h:
@@ -13,7 +14,7 @@
 ; int main() {
 ; }
 
-define i32 @foo(i32 %x) nounwind uwtable {
+define i32 @foo(i32 %x) #0 {
 entry:
   %x.addr = alloca i32, align 4
   store i32 %x, i32* %x.addr, align 4
@@ -24,29 +25,34 @@ entry:
   ret i32 %inc, !dbg !16
 }
 
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata) #1
 
-define i32 @main() nounwind uwtable {
+define i32 @main() #0 {
 entry:
   ret i32 0, !dbg !17
 }
 
+attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+
 !llvm.dbg.cu = !{!0}
 
-!0 = metadata !{i32 786449, i32 12, metadata !6, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/pr14566/list0.c] [DW_LANG_C99]
-!1 = metadata !{i32 0}
-!3 = metadata !{metadata !5, metadata !10}
-!5 = metadata !{i32 786478, metadata !6, metadata !"foo", metadata !"foo", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @foo, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
-!6 = metadata !{i32 786473, metadata !"./list0.h", metadata !"/usr/local/google/home/blaikie/dev/scratch/pr14566", null} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/list0.c] [DW_LANG_C99]
+!1 = metadata !{metadata !"list0.c", metadata !"/usr/local/google/home/blaikie/dev/scratch"}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4, metadata !10}
+!4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @foo, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
+!5 = metadata !{metadata !"./list0.h", metadata !"/usr/local/google/home/blaikie/dev/scratch"}
+!6 = metadata !{i32 786473, metadata !5}          ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/./list0.h]
+!7 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9, metadata !9}
-!9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!10 = metadata !{i32 786478, metadata !11, metadata !"main", metadata !"main", metadata !"", metadata !11, i32 2, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @main, null, null, metadata !1, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [main]
-!11 = metadata !{i32 786473, metadata !"list0.c", metadata !"/usr/local/google/home/blaikie/dev/scratch/pr14566", null} ; [ DW_TAG_file_type ]
-!12 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!10 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"main", metadata !"main", metadata !"", i32 2, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @main, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [main]
+!11 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/list0.c]
+!12 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !13 = metadata !{metadata !9}
-!14 = metadata !{i32 786689, metadata !5, metadata !"x", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [x] [line 1]
-!15 = metadata !{i32 1, i32 0, metadata !5, null}
-!16 = metadata !{i32 2, i32 0, metadata !5, null}
+!14 = metadata !{i32 786689, metadata !4, metadata !"x", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [x] [line 1]
+!15 = metadata !{i32 1, i32 0, metadata !4, null}
+!16 = metadata !{i32 2, i32 0, metadata !4, null}
 !17 = metadata !{i32 3, i32 0, metadata !18, null}
-!18 = metadata !{i32 786443, metadata !10, metadata !11} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/scratch/pr14566/list0.c]
+!18 = metadata !{i32 786443, metadata !11, metadata !10} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/scratch/list0.c]