1 files changed, 74 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/X86/dwarf-no-source-loc.ll b/llvm/test/DebugInfo/X86/dwarf-no-source-loc.ll
new file mode 100644
index 00000000000..d71f95d999e
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/dwarf-no-source-loc.ll
@@ -0,0 +1,74 @@
+; Verify "no source location" directives appear in appropriate places.
+; RUN: llc %s -o - | FileCheck %s
+
+; Generated from this .cpp targeting linux using -g
+; and then removed function attributes as clutter.
+;
+; void bar(int *);
+; void baz(int *);
+; # 5 "no-source-loc.cpp"
+; void foo(int x) {
+;   int z;
+;   if (x)
+; # 20 "include.h"
+;     bar(&z);
+; # 10 "no-source-loc.cpp"
+;   baz(&z);
+; }
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: uwtable
+define void @_Z3fooi(i32 %x) !dbg !6 {
+entry:
+  %x.addr = alloca i32, align 4
+  %z = alloca i32, align 4
+  store i32 %x, i32* %x.addr, align 4
+  %0 = load i32, i32* %x.addr, align 4, !dbg !8
+  %tobool = icmp ne i32 %0, 0, !dbg !8
+  br i1 %tobool, label %if.then, label %if.end, !dbg !8
+
+if.then:                                          ; preds = %entry
+  call void @_Z3barPi(i32* %z), !dbg !9
+  br label %if.end, !dbg !9
+
+if.end:                                           ; preds = %if.then, %entry
+  call void @_Z3bazPi(i32* %z), !dbg !12
+  ret void, !dbg !14
+}
+
+; CHECK:      .loc 1 7 7
+; CHECK-NOT:  .loc
+; CHECK:      .loc 1 0 0 is_stmt 0
+; CHECK-NOT:  .loc
+; CHECK:      .loc 2 20 5 is_stmt 1
+; CHECK:      .LBB0_2:
+; CHECK-NEXT: .loc 2 0 0 is_stmt 0
+; CHECK-NOT:  .loc
+; CHECK:      .loc 1 10 3 is_stmt 1
+
+
+declare void @_Z3barPi(i32*)
+
+declare void @_Z3bazPi(i32*)
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4}
+!llvm.ident = !{!5}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 4.0.0 (trunk 278782)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
+!1 = !DIFile(filename: "no-source-loc.cpp", directory: "/tests")
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{!"clang version 4.0.0 (trunk 278782)"}
+!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 5, type: !7, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
+!7 = !DISubroutineType(types: !2)
+!8 = !DILocation(line: 7, column: 7, scope: !6)
+!9 = !DILocation(line: 20, column: 5, scope: !10)
+!10 = !DILexicalBlockFile(scope: !6, file: !11, discriminator: 0)
+!11 = !DIFile(filename: "include.h", directory: "/tests")
+!12 = !DILocation(line: 10, column: 3, scope: !13)
+!13 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 0)
+!14 = !DILocation(line: 11, column: 1, scope: !13)