1 files changed, 53 insertions, 0 deletions
diff --git a/test/DebugInfo/Generic/restrict.ll b/test/DebugInfo/Generic/restrict.ll
new file mode 100644
index 000000000000..b0536acd03cc
--- /dev/null
+++ b/test/DebugInfo/Generic/restrict.ll
@@ -0,0 +1,53 @@
+; REQUIRES: object-emission
+
+; RUN: %llc_dwarf -dwarf-version=2 -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=V2 %s
+; RUN: %llc_dwarf -dwarf-version=3 -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=V3 %s
+
+; CHECK: DW_AT_name {{.*}} "dst"
+; V2: DW_AT_type {{.*}} {[[PTR:0x.*]]}
+; V3: DW_AT_type {{.*}} {[[RESTRICT:0x.*]]}
+; V3: [[RESTRICT]]: {{.*}}DW_TAG_restrict_type
+; V3-NEXT: DW_AT_type {{.*}} {[[PTR:0x.*]]}
+; CHECK: [[PTR]]: {{.*}}DW_TAG_pointer_type
+; CHECK-NOT: DW_AT_type
+
+; Generated with clang from:
+; void foo(void* __restrict__ dst) {
+; }
+
+
+; Function Attrs: nounwind uwtable
+define void @_Z3fooPv(i8* noalias %dst) #0 !dbg !4 {
+entry:
+  %dst.addr = alloca i8*, align 8
+  store i8* %dst, i8** %dst.addr, align 8
+  call void @llvm.dbg.declare(metadata i8** %dst.addr, metadata !13, metadata !DIExpression()), !dbg !14
+  ret void, !dbg !15
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { nounwind uwtable "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 = !{!10, !11}
+!llvm.ident = !{!12}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "restrict.c", directory: "/tmp/dbginfo")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooPv", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
+!5 = !DIFile(filename: "restrict.c", directory: "/tmp/dbginfo")
+!6 = !DISubroutineType(types: !7)
+!7 = !{null, !8}
+!8 = !DIDerivedType(tag: DW_TAG_restrict_type, baseType: !9)
+!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
+!10 = !{i32 2, !"Dwarf Version", i32 4}
+!11 = !{i32 1, !"Debug Info Version", i32 3}
+!12 = !{!"clang version 3.5.0 "}
+!13 = !DILocalVariable(name: "dst", line: 1, arg: 1, scope: !4, file: !5, type: !8)
+!14 = !DILocation(line: 1, scope: !4)
+!15 = !DILocation(line: 2, scope: !4)