diff --git a/llvm/test/Bindings/llvm-c/debug_info.ll b/llvm/test/Bindings/llvm-c/debug_info.ll index a7fcd8a999ef1..9358bac59bd21 100644 --- a/llvm/test/Bindings/llvm-c/debug_info.ll +++ b/llvm/test/Bindings/llvm-c/debug_info.ll @@ -1,4 +1,4 @@ -; RUN: llvm-c-test --test-dibuilder | FileCheck %s +; RUN: llvm-c-test --test-dibuilder-old-debuginfo-format | FileCheck %s ; CHECK: ; ModuleID = 'debuginfo.c' ; CHECK-NEXT: source_filename = "debuginfo.c" @@ -8,8 +8,10 @@ ; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !38, metadata !DIExpression()), !dbg !43 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !39, metadata !DIExpression()), !dbg !43 ; CHECK-NEXT: call void @llvm.dbg.declare(metadata i64 0, metadata !40, metadata !DIExpression()), !dbg !43 -; CHECK: vars: ; No predecessors! +; CHECK-NEXT: br label %vars +; CHECK: vars: ; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 0, metadata !41, metadata !DIExpression(DW_OP_constu, 0, DW_OP_stack_value)), !dbg !44 +; CHECK-NEXT: ret i64 0 ; CHECK-NEXT: } ; CHECK: ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) diff --git a/llvm/test/Bindings/llvm-c/debug_info_new_format.ll b/llvm/test/Bindings/llvm-c/debug_info_new_format.ll new file mode 100644 index 0000000000000..05b6ef4de9adb --- /dev/null +++ b/llvm/test/Bindings/llvm-c/debug_info_new_format.ll @@ -0,0 +1,66 @@ +; RUN: llvm-c-test --test-dibuilder-new-debuginfo-format | FileCheck %s +;; Duplicate of debug_info.ll using debug records instead of intrinsics. + +; CHECK: ; ModuleID = 'debuginfo.c' +; CHECK-NEXT: source_filename = "debuginfo.c" + +; CHECK: define i64 @foo(i64 %0, i64 %1, <10 x i64> %2) !dbg !31 { +; CHECK-NEXT: entry: +; CHECK-NEXT: #dbg_declare(i64 0, !38, !DIExpression(), !43) +; CHECK-NEXT: #dbg_declare(i64 0, !39, !DIExpression(), !43) +; CHECK-NEXT: #dbg_declare(i64 0, !40, !DIExpression(), !43) +; CHECK-NEXT: br label %vars +; CHECK: vars: +; CHECK-NEXT: #dbg_value(i64 0, !41, !DIExpression(DW_OP_constu, 0, DW_OP_stack_value), !44) +; CHECK-NEXT: ret i64 0 +; CHECK-NEXT: } + +; CHECK: !llvm.dbg.cu = !{!0} +; CHECK-NEXT: !FooType = !{!28} +; CHECK-NEXT: !EnumTest = !{!3} + +; CHECK: !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "llvm-c-test", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !11, imports: !19, macros: !23, splitDebugInlining: false, sysroot: "/") +; CHECK-NEXT: !1 = !DIFile(filename: "debuginfo.c", directory: ".") +; CHECK-NEXT: !2 = !{!3} +; CHECK-NEXT: !3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "EnumTest", scope: !4, file: !1, baseType: !6, size: 64, elements: !7) +; CHECK-NEXT: !4 = !DINamespace(name: "NameSpace", scope: !5) +; CHECK-NEXT: !5 = !DIModule(scope: null, name: "llvm-c-test", includePath: "/test/include/llvm-c-test.h") +; CHECK-NEXT: !6 = !DIBasicType(name: "Int64", size: 64) +; CHECK-NEXT: !7 = !{!8, !9, !10} +; CHECK-NEXT: !8 = !DIEnumerator(name: "Test_A", value: 0, isUnsigned: true) +; CHECK-NEXT: !9 = !DIEnumerator(name: "Test_B", value: 1, isUnsigned: true) +; CHECK-NEXT: !10 = !DIEnumerator(name: "Test_B", value: 2, isUnsigned: true) +; CHECK-NEXT: !11 = !{!12, !16} +; CHECK-NEXT: !12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value)) +; CHECK-NEXT: !13 = distinct !DIGlobalVariable(name: "globalClass", scope: !5, file: !1, line: 1, type: !14, isLocal: true, isDefinition: true) +; CHECK-NEXT: !14 = !DICompositeType(tag: DW_TAG_structure_type, name: "TestClass", scope: !1, file: !1, line: 42, size: 64, flags: DIFlagObjcClassComplete, elements: !15) +; CHECK-NEXT: !15 = !{} +; CHECK-NEXT: !16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value)) +; CHECK-NEXT: !17 = distinct !DIGlobalVariable(name: "global", scope: !5, file: !1, line: 1, type: !18, isLocal: true, isDefinition: true) +; CHECK-NEXT: !18 = !DIDerivedType(tag: DW_TAG_typedef, name: "int64_t", scope: !1, file: !1, line: 42, baseType: !6) +; CHECK-NEXT: !19 = !{!20, !22} +; CHECK-NEXT: !20 = !DIImportedEntity(tag: DW_TAG_imported_module, scope: !5, entity: !21, file: !1, line: 42) +; CHECK-NEXT: !21 = !DIModule(scope: null, name: "llvm-c-test-import", includePath: "/test/include/llvm-c-test-import.h") +; CHECK-NEXT: !22 = !DIImportedEntity(tag: DW_TAG_imported_module, scope: !5, entity: !20, file: !1, line: 42) +; CHECK-NEXT: !23 = !{!24} +; CHECK-NEXT: !24 = !DIMacroFile(file: !1, nodes: !25) +; CHECK-NEXT: !25 = !{!26, !27} +; CHECK-NEXT: !26 = !DIMacro(type: DW_MACINFO_define, name: "SIMPLE_DEFINE") +; CHECK-NEXT: !27 = !DIMacro(type: DW_MACINFO_define, name: "VALUE_DEFINE", value: "1") +; CHECK-NEXT: !28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 192, dwarfAddressSpace: 0) +; CHECK-NEXT: !29 = !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct", scope: !4, file: !1, size: 192, elements: !30, runtimeLang: DW_LANG_C89, identifier: "MyStruct") +; CHECK-NEXT: !30 = !{!6, !6, !6} +; CHECK-NEXT: !31 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 42, type: !32, scopeLine: 42, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !37) +; CHECK-NEXT: !32 = !DISubroutineType(types: !33) +; CHECK-NEXT: !33 = !{!6, !6, !34} +; CHECK-NEXT: !34 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 640, flags: DIFlagVector, elements: !35) +; CHECK-NEXT: !35 = !{!36} +; CHECK-NEXT: !36 = !DISubrange(count: 10, lowerBound: 0) +; CHECK-NEXT: !37 = !{!38, !39, !40, !41} +; CHECK-NEXT: !38 = !DILocalVariable(name: "a", arg: 1, scope: !31, file: !1, line: 42, type: !6) +; CHECK-NEXT: !39 = !DILocalVariable(name: "b", arg: 2, scope: !31, file: !1, line: 42, type: !6) +; CHECK-NEXT: !40 = !DILocalVariable(name: "c", arg: 3, scope: !31, file: !1, line: 42, type: !34) +; CHECK-NEXT: !41 = !DILocalVariable(name: "d", scope: !42, file: !1, line: 43, type: !6) +; CHECK-NEXT: !42 = distinct !DILexicalBlock(scope: !31, file: !1, line: 42) +; CHECK-NEXT: !43 = !DILocation(line: 42, scope: !31) +; CHECK-NEXT: !44 = !DILocation(line: 43, scope: !31) diff --git a/llvm/tools/llvm-c-test/debuginfo.c b/llvm/tools/llvm-c-test/debuginfo.c index 9b5c37b05d902..35c65f885af32 100644 --- a/llvm/tools/llvm-c-test/debuginfo.c +++ b/llvm/tools/llvm-c-test/debuginfo.c @@ -215,10 +215,26 @@ int llvm_test_dibuilder(bool NewDebugInfoFormat) { LLVMDIBuilderFinalize(DIB); + // Using the new debug format, debug records get attached to instructions. + // Insert a `br` and `ret` now to absorb the debug records which are + // currently "trailing", meaning that they're associated with a block + // but no particular instruction, which is only valid as a transient state. + LLVMContextRef Ctx = LLVMGetModuleContext(M); + LLVMBuilderRef Builder = LLVMCreateBuilderInContext(Ctx); + LLVMPositionBuilderAtEnd(Builder, FooEntryBlock); + // Build `br label %vars` in entry. + LLVMBuildBr(Builder, FooVarBlock); + // Build `ret i64 0` in vars. + LLVMPositionBuilderAtEnd(Builder, FooVarBlock); + LLVMTypeRef I64 = LLVMInt64TypeInContext(Ctx); + LLVMValueRef Zero = LLVMConstInt(I64, 0, false); + LLVMBuildRet(Builder, Zero); + char *MStr = LLVMPrintModuleToString(M); puts(MStr); LLVMDisposeMessage(MStr); + LLVMDisposeBuilder(Builder); LLVMDisposeDIBuilder(DIB); LLVMDisposeModule(M); diff --git a/llvm/tools/llvm-c-test/main.c b/llvm/tools/llvm-c-test/main.c index c4748d342fba1..9db6e05d6350d 100644 --- a/llvm/tools/llvm-c-test/main.c +++ b/llvm/tools/llvm-c-test/main.c @@ -109,8 +109,12 @@ int main(int argc, char **argv) { return llvm_echo(); } else if (argc == 2 && !strcmp(argv[1], "--test-diagnostic-handler")) { return llvm_test_diagnostic_handler(); - } else if (argc == 2 && !strcmp(argv[1], "--test-dibuilder")) { - return llvm_test_dibuilder(false) && llvm_test_dibuilder(true); + } else if (argc == 2 && + !strcmp(argv[1], "--test-dibuilder-old-debuginfo-format")) { + return llvm_test_dibuilder(false); + } else if (argc == 2 && + !strcmp(argv[1], "--test-dibuilder-new-debuginfo-format")) { + return llvm_test_dibuilder(true); } else { print_usage(); }