[DIBuilder] Make createReferenceType take size and align

[oota-llvm.git] / test / DebugInfo / Generic / ptrsize.ll

diff --git a/test/DebugInfo/Generic/ptrsize.ll b/test/DebugInfo/Generic/ptrsize.ll
new file mode 100755 (executable)
index 0000000..694aa0b
--- /dev/null
+++ b/test/DebugInfo/Generic/ptrsize.ll
@@ -0,0 +1,46 @@
+; REQUIRES: object-emission
+
+; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
+; RUN: llvm-dwarfdump %t | FileCheck %s
+
+; Check that pointers and references get emitted without size information in
+; DWARF, even if they are so specified in the IR
+
+; CHECK: 0x[[O1:[0-9a-f]+]]:   DW_TAG_pointer_type
+; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
+; CHECK-NOT: DW_AT_byte_size
+; CHECK: 0x[[O2:[0-9a-f]+]]:   DW_TAG_
+
+; CHECK: 0x[[O3:[0-9a-f]+]]:   DW_TAG_reference_type
+; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
+; CHECK-NOT: DW_AT_byte_size
+
+define i32 @foo() !dbg !4 {
+entry:
+  ret i32 0, !dbg !13
+}
+
+define i32 @bar() !dbg !5 {
+entry:
+  ret i32 0, !dbg !13
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!11, !12}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: 0, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "dwarf-test.c", directory: "test")
+!2 = !{}
+!3 = !{!4, !5}
+!4 = distinct !DISubprogram(name: "foo", scope: !0, file: !1, line: 6, type: !6, isLocal: false, isDefinition: true, scopeLine: 6, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
+!5 = distinct !DISubprogram(name: "bar", scope: !0, file: !1, line: 6, type: !15, isLocal: false, isDefinition: true, scopeLine: 6, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
+!6 = !DISubroutineType(types: !7)
+!7 = !{!9}
+!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !0, baseType: !8, size: 64, align: 64)
+!10 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !0, baseType: !8, size: 64, align: 64)
+!11 = !{i32 2, !"Dwarf Version", i32 3}
+!12 = !{i32 1, !"Debug Info Version", i32 3}
+!13 = !DILocation(line: 7, scope: !4)
+!14 = !{!10}
+!15 = !DISubroutineType(types: !14)