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[NFCI][ubsan] Precommit tests for -fsanitize-annotate-debug-info (#141814)
These tests will track progress on extending #139809 from CFI to more UBSan checks.
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‎clang/test/CodeGen/ubsan-function-debuginfo.c

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
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// RUN: %clang_cc1 -O2 -emit-llvm -triple x86_64 -std=c17 -fsanitize=function %s -o - \
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// RUN: -fdebug-prefix-map=%S/= -fno-ident -fdebug-compilation-dir=%S -debug-info-kind=limited \
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// RUN: -fsanitize-annotate-debug-info=function \
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// RUN: | FileCheck %s
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// CHECK-LABEL: define dso_local void @call_no_prototype(
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// CHECK-SAME: ptr noundef readonly captures(none) [[F:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] !dbg [[DBG5:![0-9]+]] !func_sanitize [[META14:![0-9]+]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: #dbg_value(ptr [[F]], [[META13:![0-9]+]], !DIExpression(), [[META15:![0-9]+]])
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// CHECK-NEXT: tail call void (...) [[F]]() #[[ATTR2:[0-9]+]], !dbg [[DBG16:![0-9]+]]
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// CHECK-NEXT: ret void, !dbg [[DBG17:![0-9]+]]
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//
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void call_no_prototype(void (*f)()) { f(); }
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// CHECK-LABEL: define dso_local void @call_prototype(
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// CHECK-SAME: ptr noundef [[F:%.*]]) local_unnamed_addr #[[ATTR0]] !dbg [[DBG18:![0-9]+]] !func_sanitize [[META26:![0-9]+]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: #dbg_value(ptr [[F]], [[META25:![0-9]+]], !DIExpression(), [[META27:![0-9]+]])
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// CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[F]], i64 -8, !dbg [[DBG28:![0-9]+]]
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// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[TMP0]], align 4, !dbg [[DBG28]], !nosanitize [[META29:![0-9]+]]
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// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], -1056584962, !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK-NEXT: br i1 [[TMP2]], label %[[TYPECHECK:.*]], label %[[CONT1:.*]], !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK: [[TYPECHECK]]:
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// CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[F]], i64 -4, !dbg [[DBG28]]
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// CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[TMP3]], align 8, !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[TMP4]], 905068220, !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK-NEXT: br i1 [[TMP5]], label %[[CONT1]], label %[[HANDLER_FUNCTION_TYPE_MISMATCH:.*]], !dbg [[DBG28]], !prof [[PROF30:![0-9]+]], !nosanitize [[META29]]
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// CHECK: [[HANDLER_FUNCTION_TYPE_MISMATCH]]:
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// CHECK-NEXT: [[TMP6:%.*]] = ptrtoint ptr [[F]] to i64, !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK-NEXT: tail call void @__ubsan_handle_function_type_mismatch_abort(ptr nonnull @[[GLOB1:[0-9]+]], i64 [[TMP6]]) #[[ATTR3:[0-9]+]], !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK-NEXT: unreachable, !dbg [[DBG28]], !nosanitize [[META29]]
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// CHECK: [[CONT1]]:
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// CHECK-NEXT: tail call void [[F]]() #[[ATTR2]], !dbg [[DBG28]]
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// CHECK-NEXT: ret void, !dbg [[DBG31:![0-9]+]]
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//
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void call_prototype(void (*f)(void)) { f(); }
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//.
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// CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
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// CHECK: [[META1]] = !DIFile(filename: "<stdin>", directory: {{.*}})
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// CHECK: [[DBG5]] = distinct !DISubprogram(name: "call_no_prototype", scope: [[META6:![0-9]+]], file: [[META6]], line: 14, type: [[META7:![0-9]+]], scopeLine: 14, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META12:![0-9]+]])
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// CHECK: [[META6]] = !DIFile(filename: "{{.*}}ubsan-function-debuginfo.c", directory: {{.*}})
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// CHECK: [[META7]] = !DISubroutineType(types: [[META8:![0-9]+]])
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// CHECK: [[META8]] = !{null, [[META9:![0-9]+]]}
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// CHECK: [[META9]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[META10:![0-9]+]], size: 64)
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// CHECK: [[META10]] = !DISubroutineType(types: [[META11:![0-9]+]])
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// CHECK: [[META11]] = !{null, null}
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// CHECK: [[META12]] = !{[[META13]]}
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// CHECK: [[META13]] = !DILocalVariable(name: "f", arg: 1, scope: [[DBG5]], file: [[META6]], line: 14, type: [[META9]])
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// CHECK: [[META14]] = !{i32 -1056584962, i32 187769638}
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// CHECK: [[META15]] = !DILocation(line: 0, scope: [[DBG5]])
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// CHECK: [[DBG16]] = !DILocation(line: 14, column: 39, scope: [[DBG5]])
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// CHECK: [[DBG17]] = !DILocation(line: 14, column: 44, scope: [[DBG5]])
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// CHECK: [[DBG18]] = distinct !DISubprogram(name: "call_prototype", scope: [[META6]], file: [[META6]], line: 37, type: [[META19:![0-9]+]], scopeLine: 37, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META24:![0-9]+]])
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// CHECK: [[META19]] = !DISubroutineType(types: [[META20:![0-9]+]])
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// CHECK: [[META20]] = !{null, [[META21:![0-9]+]]}
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// CHECK: [[META21]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[META22:![0-9]+]], size: 64)
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// CHECK: [[META22]] = !DISubroutineType(types: [[META23:![0-9]+]])
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// CHECK: [[META23]] = !{null}
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// CHECK: [[META24]] = !{[[META25]]}
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// CHECK: [[META25]] = !DILocalVariable(name: "f", arg: 1, scope: [[DBG18]], file: [[META6]], line: 37, type: [[META21]])
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// CHECK: [[META26]] = !{i32 -1056584962, i32 -747727454}
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// CHECK: [[META27]] = !DILocation(line: 0, scope: [[DBG18]])
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// CHECK: [[DBG28]] = !DILocation(line: 37, column: 40, scope: [[DBG18]])
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// CHECK: [[META29]] = !{}
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// CHECK: [[PROF30]] = !{!"branch_weights", i32 1048575, i32 1}
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// CHECK: [[DBG31]] = !DILocation(line: 37, column: 45, scope: [[DBG18]])
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//.

‎clang/test/CodeGen/unsigned-promotion-debuginfo.c

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
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// RUN: %clang_cc1 -O2 -triple x86_64-linux-gnu -emit-llvm -o - %s \
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// RUN: -fdebug-prefix-map=%S/= -fno-ident -fdebug-compilation-dir=%S -debug-info-kind=limited \
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// RUN: -fsanitize-annotate-debug-info=signed-integer-overflow \
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// RUN: -fsanitize=signed-integer-overflow | FileCheck %s --check-prefix=CHECKS
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// RUN: %clang_cc1 -O2 -triple x86_64-linux-gnu -emit-llvm -o - %s \
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// RUN: -fdebug-prefix-map=%S/= -fno-ident -fdebug-compilation-dir=%S -debug-info-kind=limited \
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// RUN: -fsanitize-annotate-debug-info=signed-integer-overflow \
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// RUN: -fsanitize=unsigned-integer-overflow | FileCheck %s --check-prefix=CHECKU
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unsigned short si, sj, sk;
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// CHECKS-LABEL: define dso_local void @testshortmul(
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// CHECKS-SAME: ) local_unnamed_addr #[[ATTR0:[0-9]+]] !dbg [[DBG13:![0-9]+]] {
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// CHECKS-NEXT: [[ENTRY:.*:]]
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// CHECKS-NEXT: [[TMP0:%.*]] = load i16, ptr @sj, align 2, !dbg [[DBG16:![0-9]+]], !tbaa [[TBAA17:![0-9]+]]
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// CHECKS-NEXT: [[CONV:%.*]] = zext i16 [[TMP0]] to i32, !dbg [[DBG16]]
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// CHECKS-NEXT: [[TMP1:%.*]] = load i16, ptr @sk, align 2, !dbg [[DBG21:![0-9]+]], !tbaa [[TBAA17]]
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// CHECKS-NEXT: [[CONV1:%.*]] = zext i16 [[TMP1]] to i32, !dbg [[DBG21]]
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// CHECKS-NEXT: [[TMP2:%.*]] = tail call { i32, i1 } @llvm.smul.with.overflow.i32(i32 [[CONV]], i32 [[CONV1]]), !dbg [[DBG22:![0-9]+]], !nosanitize [[META23:![0-9]+]]
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// CHECKS-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1, !dbg [[DBG22]], !nosanitize [[META23]]
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// CHECKS-NEXT: br i1 [[TMP3]], label %[[HANDLER_MUL_OVERFLOW:.*]], label %[[CONT:.*]], !dbg [[DBG22]], !prof [[PROF24:![0-9]+]], !nosanitize [[META23]]
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// CHECKS: [[HANDLER_MUL_OVERFLOW]]:
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// CHECKS-NEXT: [[TMP4:%.*]] = zext i16 [[TMP0]] to i64, !dbg [[DBG22]]
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// CHECKS-NEXT: [[TMP5:%.*]] = zext i16 [[TMP1]] to i64, !dbg [[DBG22]]
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// CHECKS-NEXT: tail call void @__ubsan_handle_mul_overflow_abort(ptr nonnull @[[GLOB1:[0-9]+]], i64 [[TMP4]], i64 [[TMP5]]) #[[ATTR3:[0-9]+]], !dbg [[DBG22]], !nosanitize [[META23]]
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// CHECKS-NEXT: unreachable, !dbg [[DBG22]], !nosanitize [[META23]]
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// CHECKS: [[CONT]]:
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// CHECKS-NEXT: [[TMP6:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0, !dbg [[DBG22]], !nosanitize [[META23]]
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// CHECKS-NEXT: [[CONV2:%.*]] = trunc i32 [[TMP6]] to i16, !dbg [[DBG16]]
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// CHECKS-NEXT: store i16 [[CONV2]], ptr @si, align 2, !dbg [[DBG25:![0-9]+]], !tbaa [[TBAA17]]
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// CHECKS-NEXT: ret void, !dbg [[DBG26:![0-9]+]]
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//
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// CHECKU-LABEL: define dso_local void @testshortmul(
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// CHECKU-SAME: ) local_unnamed_addr #[[ATTR0:[0-9]+]] !dbg [[DBG13:![0-9]+]] {
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// CHECKU-NEXT: [[ENTRY:.*:]]
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// CHECKU-NEXT: [[TMP0:%.*]] = load i16, ptr @sj, align 2, !dbg [[DBG16:![0-9]+]], !tbaa [[TBAA17:![0-9]+]]
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// CHECKU-NEXT: [[TMP1:%.*]] = load i16, ptr @sk, align 2, !dbg [[DBG21:![0-9]+]], !tbaa [[TBAA17]]
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// CHECKU-NEXT: [[MUL:%.*]] = mul i16 [[TMP1]], [[TMP0]], !dbg [[DBG22:![0-9]+]]
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// CHECKU-NEXT: store i16 [[MUL]], ptr @si, align 2, !dbg [[DBG23:![0-9]+]], !tbaa [[TBAA17]]
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// CHECKU-NEXT: ret void, !dbg [[DBG24:![0-9]+]]
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//
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void testshortmul(void) {
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//
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si = sj * sk;
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}
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//.
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// CHECKS: [[META0:![0-9]+]] = !DIGlobalVariableExpression(var: [[META1:![0-9]+]], expr: !DIExpression())
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// CHECKS: [[META1]] = distinct !DIGlobalVariable(name: "sj", scope: [[META2:![0-9]+]], file: [[META7:![0-9]+]], line: 12, type: [[META8:![0-9]+]], isLocal: false, isDefinition: true)
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// CHECKS: [[META2]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META3:![0-9]+]], isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: [[META4:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
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// CHECKS: [[META3]] = !DIFile(filename: "<stdin>", directory: {{.*}})
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// CHECKS: [[META4]] = !{[[META5:![0-9]+]], [[META0]], [[META9:![0-9]+]]}
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// CHECKS: [[META5]] = !DIGlobalVariableExpression(var: [[META6:![0-9]+]], expr: !DIExpression())
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// CHECKS: [[META6]] = distinct !DIGlobalVariable(name: "si", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
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// CHECKS: [[META7]] = !DIFile(filename: "{{.*}}unsigned-promotion-debuginfo.c", directory: {{.*}})
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// CHECKS: [[META8]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)
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// CHECKS: [[META9]] = !DIGlobalVariableExpression(var: [[META10:![0-9]+]], expr: !DIExpression())
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// CHECKS: [[META10]] = distinct !DIGlobalVariable(name: "sk", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
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// CHECKS: [[DBG13]] = distinct !DISubprogram(name: "testshortmul", scope: [[META7]], file: [[META7]], line: 44, type: [[META14:![0-9]+]], scopeLine: 44, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META2]])
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// CHECKS: [[META14]] = !DISubroutineType(types: [[META15:![0-9]+]])
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// CHECKS: [[META15]] = !{null}
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// CHECKS: [[DBG16]] = !DILocation(line: 47, column: 8, scope: [[DBG13]])
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// CHECKS: [[TBAA17]] = !{[[META18:![0-9]+]], [[META18]], i64 0}
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// CHECKS: [[META18]] = !{!"short", [[META19:![0-9]+]], i64 0}
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// CHECKS: [[META19]] = !{!"omnipotent char", [[META20:![0-9]+]], i64 0}
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// CHECKS: [[META20]] = !{!"Simple C/C++ TBAA"}
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// CHECKS: [[DBG21]] = !DILocation(line: 47, column: 13, scope: [[DBG13]])
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// CHECKS: [[DBG22]] = !DILocation(line: 47, column: 11, scope: [[DBG13]])
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// CHECKS: [[META23]] = !{}
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// CHECKS: [[PROF24]] = !{!"branch_weights", i32 1, i32 1048575}
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// CHECKS: [[DBG25]] = !DILocation(line: 47, column: 6, scope: [[DBG13]])
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// CHECKS: [[DBG26]] = !DILocation(line: 48, column: 1, scope: [[DBG13]])
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//.
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// CHECKU: [[META0:![0-9]+]] = !DIGlobalVariableExpression(var: [[META1:![0-9]+]], expr: !DIExpression())
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// CHECKU: [[META1]] = distinct !DIGlobalVariable(name: "sj", scope: [[META2:![0-9]+]], file: [[META7:![0-9]+]], line: 12, type: [[META8:![0-9]+]], isLocal: false, isDefinition: true)
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// CHECKU: [[META2]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META3:![0-9]+]], isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: [[META4:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
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// CHECKU: [[META3]] = !DIFile(filename: "<stdin>", directory: {{.*}})
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// CHECKU: [[META4]] = !{[[META5:![0-9]+]], [[META0]], [[META9:![0-9]+]]}
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// CHECKU: [[META5]] = !DIGlobalVariableExpression(var: [[META6:![0-9]+]], expr: !DIExpression())
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// CHECKU: [[META6]] = distinct !DIGlobalVariable(name: "si", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
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// CHECKU: [[META7]] = !DIFile(filename: "{{.*}}unsigned-promotion-debuginfo.c", directory: {{.*}})
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// CHECKU: [[META8]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)
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// CHECKU: [[META9]] = !DIGlobalVariableExpression(var: [[META10:![0-9]+]], expr: !DIExpression())
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// CHECKU: [[META10]] = distinct !DIGlobalVariable(name: "sk", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
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// CHECKU: [[DBG13]] = distinct !DISubprogram(name: "testshortmul", scope: [[META7]], file: [[META7]], line: 44, type: [[META14:![0-9]+]], scopeLine: 44, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META2]])
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// CHECKU: [[META14]] = !DISubroutineType(types: [[META15:![0-9]+]])
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// CHECKU: [[META15]] = !{null}
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// CHECKU: [[DBG16]] = !DILocation(line: 47, column: 8, scope: [[DBG13]])
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// CHECKU: [[TBAA17]] = !{[[META18:![0-9]+]], [[META18]], i64 0}
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// CHECKU: [[META18]] = !{!"short", [[META19:![0-9]+]], i64 0}
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// CHECKU: [[META19]] = !{!"omnipotent char", [[META20:![0-9]+]], i64 0}
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// CHECKU: [[META20]] = !{!"Simple C/C++ TBAA"}
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// CHECKU: [[DBG21]] = !DILocation(line: 47, column: 13, scope: [[DBG13]])
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// CHECKU: [[DBG22]] = !DILocation(line: 47, column: 11, scope: [[DBG13]])
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// CHECKU: [[DBG23]] = !DILocation(line: 47, column: 6, scope: [[DBG13]])
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// CHECKU: [[DBG24]] = !DILocation(line: 48, column: 1, scope: [[DBG13]])
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//.

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