1 files changed, 65 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/Generic/unconditional-branch.ll b/llvm/test/DebugInfo/Generic/unconditional-branch.ll
new file mode 100644
index 00000000000..d4d7fb82741
--- /dev/null
+++ b/llvm/test/DebugInfo/Generic/unconditional-branch.ll
@@ -0,0 +1,65 @@
+; REQUIRES: object-emission
+; PR 19261
+
+; RUN: %llc_dwarf -fast-isel=false -O0 -filetype=obj %s -o %t
+; RUN: llvm-dwarfdump %t | FileCheck %s
+
+; CHECK: {{0x[0-9a-f]+}}      1      0      1   0             0  is_stmt
+; CHECK: {{0x[0-9a-f]+}}      2      0      1   0             0  is_stmt
+; CHECK: {{0x[0-9a-f]+}}      4      0      1   0             0  is_stmt
+
+; IR generated from clang -O0 -g with the following source:
+;void foo(int i){
+;  switch(i){
+;  default:
+;    break;
+;  }
+;  return;
+;}
+
+; Function Attrs: nounwind
+define void @foo(i32 %i) #0 {
+entry:
+  %i.addr = alloca i32, align 4
+  store i32 %i, i32* %i.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !12, metadata !DIExpression()), !dbg !13
+  %0 = load i32, i32* %i.addr, align 4, !dbg !14
+  switch i32 %0, label %sw.default [
+  ], !dbg !14
+
+sw.epilog:                                        ; preds = %sw.default
+  ret void, !dbg !17
+
+sw.default:                                       ; preds = %entry
+  br label %sw.epilog, !dbg !15
+
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!9, !10}
+!llvm.ident = !{!11}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (204712)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "test.c", directory: "D:\5Cwork\5CEPRs\5C396363")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, function: void (i32)* @foo, variables: !2)
+!5 = !DIFile(filename: "test.c", directory: "D:CworkCEPRsC396363")
+!6 = !DISubroutineType(types: !7)
+!7 = !{null, !8}
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !{i32 2, !"Dwarf Version", i32 4}
+!10 = !{i32 1, !"Debug Info Version", i32 3}
+!11 = !{!"clang version 3.5.0 (204712)"}
+!12 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !4, file: !5, type: !8)
+!13 = !DILocation(line: 1, scope: !4)
+!14 = !DILocation(line: 2, scope: !4)
+!15 = !DILocation(line: 4, scope: !16)
+!16 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4)
+!17 = !DILocation(line: 6, scope: !4)