Dwarf vector test (#404)

.gitignore

@@ -69,6 +69,7 @@ target-out-docker
 **/move-mv-llvm-compiler/**/dwarf-tests/dwarf-struct-build/stored_results/*
 **/move-mv-llvm-compiler/**/dwarf-tests/dwarf-struct-2-modules-build/stored_results/*
 **/move-mv-llvm-compiler/**/dwarf-tests/dwarf-functions-build/stored_results/*
+**/move-mv-llvm-compiler/**/dwarf-tests/dwarf-vector-build/stored_results/*
 **/move-mv-llvm-compiler/**/rbpf-tests/**/*.mv
 **/move-mv-llvm-compiler/**/rbpf-tests/**/*.o
 **/move-mv-llvm-compiler/**/rbpf-tests/**/*.so

language/tools/move-mv-llvm-compiler/tests/dwarf-tests/dwarf-vector-build/0x101__vector.ll.debug_info.expected

@@ -0,0 +1,42 @@
+; ModuleID = '0x101__vector.dbg_info'
+source_filename = "/language/tools/move-mv-llvm-compiler/tests/dwarf-tests/dwarf-vector.move"
+
+!llvm.dbg.cu = !{!0}
+!unspecified\20type = !{!2, !2, !2, !2, !2, !2, !2, !2, !2, !2, !2, !2, !2}
+!struct.vector__Foo = !{!6}
+!struct.vector__Bar = !{!14}
+!test_singleton_contains = !{!19}
+!singleton = !{!23, !28}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !1, producer: "move-mv-llvm-compiler", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, sysroot: "/")
+!1 = !DIFile(filename: "dwarf-vector.move", directory: "/language/tools/move-mv-llvm-compiler/tests/dwarf-tests")
+!2 = !DICompositeType(tag: DW_TAG_array_type, baseType: !3, size: 192, align: 8, flags: DIFlagVector, elements: !4)
+!3 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "unspecified type")
+!4 = !{!5}
+!5 = !DISubrange(count: 1, lowerBound: 0)
+!6 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "struct.vector__Foo__ptr", baseType: !7, size: 64, align: 64, dwarfAddressSpace: 0)
+!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "struct.vector__Foo", scope: !8, file: !1, line: 2, size: 128, align: 8, flags: DIFlagObjcClassComplete, elements: !9)
+!8 = !DINamespace(name: "struct.vector__Foo", scope: !1)
+!9 = !{!10, !12}
+!10 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !8, file: !1, line: 2, baseType: !11, size: 64, align: 64)
+!11 = !DIBasicType(name: "u64", size: 64)
+!12 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !8, file: !1, line: 3, baseType: !13, size: 1, align: 8, offset: 64)
+!13 = !DIBasicType(name: "bool", size: 8)
+!14 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "struct.vector__Bar__ptr", baseType: !15, size: 64, align: 64, dwarfAddressSpace: 0)
+!15 = !DICompositeType(tag: DW_TAG_structure_type, name: "struct.vector__Bar", scope: !16, file: !1, line: 3, size: 128, align: 8, flags: DIFlagObjcClassComplete, elements: !17)
+!16 = !DINamespace(name: "struct.vector__Bar", scope: !1)
+!17 = !{!18}
+!18 = !DIDerivedType(tag: DW_TAG_member, name: "foo", scope: !16, file: !1, line: 3, baseType: !7, size: 128, align: 64)
+!19 = distinct !DISubprogram(name: "test_singleton_contains", linkageName: "test_singleton_contains", scope: !20, file: !1, line: 17, type: !21, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !22)
+!20 = !DINamespace(name: "test_singleton_contains", scope: !1)
+!21 = !DISubroutineType(types: !22)
+!22 = !{}
+!23 = distinct !DISubprogram(name: "singleton", linkageName: "singleton", scope: !24, file: !1, line: 11, type: !25, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !22)
+!24 = !DINamespace(name: "singleton", scope: !1)
+!25 = !DISubroutineType(types: !26)
+!26 = !{!27}
+!27 = !DILocalVariable(name: "e", scope: !24, file: !1, type: !7)
+!28 = distinct !DISubprogram(name: "singleton", linkageName: "singleton", scope: !24, file: !1, line: 11, type: !29, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !22)
+!29 = !DISubroutineType(types: !30)
+!30 = !{!31}
+!31 = !DILocalVariable(name: "e", scope: !24, file: !1, type: !15)

language/tools/move-mv-llvm-compiler/tests/dwarf-tests/dwarf-vector.move

@@ -0,0 +1,25 @@
+module 0x101::vector {
+
+    struct Foo has copy, drop { x: u64, y: bool }
+    struct Bar has copy, drop { foo: Foo }
+
+    native public fun empty<Element>(): vector<Element>;
+
+    native public fun borrow<Element>(v: &vector<Element>, i: u64): &Element;
+
+    native public fun push_back<Element>(v: &mut vector<Element>, e: Element);
+
+    public fun singleton<Element>(e: Element): vector<Element> {
+        let v = empty();
+        push_back(&mut v, e);
+        v
+    }
+
+    public fun test_singleton_contains() {
+        let foo1 = Foo { x: 0, y: false };
+        assert!(*borrow(&singleton(foo1), 0) == foo1, 0);
+
+        let bar1 = Bar { foo: foo1 };
+        assert!(*borrow(&singleton(bar1), 0) == bar1, 0);
+    }
+}