1 files changed, 51 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/debugloc-no-line-0.ll b/llvm/test/CodeGen/X86/debugloc-no-line-0.ll
new file mode 100644
index 00000000000..04fe623a1bd
--- /dev/null
+++ b/llvm/test/CodeGen/X86/debugloc-no-line-0.ll
@@ -0,0 +1,51 @@
+; RUN: llc -O0 -mtriple=x86_64-unknown-linux-gnu -stop-before="regallocfast" -o - %s | FileCheck %s
+;
+; We check that all the instructions in bb4 now have a debug-location
+; annotation, and that the annotation is identical to the one on e.g.,
+; the jmp to bb4.
+;
+; CHECK: JMP{{.*}}%bb.4.entry, debug-location ![[JUMPLOC:[0-9]+]]
+; CHECK: bb.4.entry:
+; CHECK: successors:
+; CHECK-NOT: :
+; CHECK: JE{{.*}}debug-location ![[JUMPLOC]]
+; CHECK-NOT: :
+; CHECK: JMP{{.*}}debug-location ![[JUMPLOC]]
+
+define i32 @main() !dbg !12 {
+entry:
+  %add = add nsw i32 undef, 1, !dbg !16
+  switch i32 %add, label %sw.epilog [
+    i32 1, label %sw.bb
+    i32 2, label %sw.bb2
+  ], !dbg !17
+
+sw.bb:                                            ; preds = %entry
+  br label %sw.epilog, !dbg !20
+
+sw.bb2:                                           ; preds = %entry
+  br label %sw.epilog, !dbg !22
+
+sw.epilog:                                        ; preds = %sw.bb2, %sw.bb, %entry
+  ret i32 4711, !dbg !23
+}
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!8, !9}
+!llvm.ident = !{!11}
+
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, emissionKind: FullDebug, enums: !4)
+!3 = !DIFile(filename: "foo.c", directory: ".")
+!4 = !{}
+!7 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
+!8 = !{i32 2, !"Dwarf Version", i32 4}
+!9 = !{i32 2, !"Debug Info Version", i32 3}
+!11 = !{!"clang"}
+!12 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !13, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !2, variables: !4)
+!13 = !DISubroutineType(types: !14)
+!14 = !{!7}
+!16 = !DILocation(line: 6, column: 13, scope: !12)
+!17 = !DILocation(line: 6, column: 3, scope: !12)
+!19 = distinct !DILexicalBlock(scope: !12, file: !3, line: 7, column: 5)
+!20 = !DILocation(line: 10, column: 7, scope: !19)
+!22 = !DILocation(line: 13, column: 7, scope: !19)
+!23 = !DILocation(line: 24, column: 1, scope: !12)