[clang] [NFCI][ubsan] Precommit tests for -fsanitize-annotate-debug-info (PR #141814)
via cfe-commits
cfe-commits at lists.llvm.org
Wed May 28 10:59:01 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
Author: Thurston Dang (thurstond)
<details>
<summary>Changes</summary>
These tests will track progress on extending
https://github.com/llvm/llvm-project/pull/139809 from CFI to more UBSan checks.
---
Full diff: https://github.com/llvm/llvm-project/pull/141814.diff
2 Files Affected:
- (added) clang/test/CodeGen/ubsan-function-debuginfo.c (+74)
- (added) clang/test/CodeGen/unsigned-promotion-debuginfo.c (+95)
``````````diff
diff --git a/clang/test/CodeGen/ubsan-function-debuginfo.c b/clang/test/CodeGen/ubsan-function-debuginfo.c
new file mode 100644
index 0000000000000..c452b84907045
--- /dev/null
+++ b/clang/test/CodeGen/ubsan-function-debuginfo.c
@@ -0,0 +1,74 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+// RUN: %clang_cc1 -emit-llvm -triple x86_64 -std=c17 -fsanitize=function %s -o - \
+// RUN: -fdebug-prefix-map=%S/= -fno-ident -fdebug-compilation-dir=%S -debug-info-kind=limited \
+// RUN: -fsanitize-annotate-debug-info=function \
+// RUN: | FileCheck %s
+
+// CHECK-LABEL: define dso_local void @call_no_prototype(
+// CHECK-SAME: ptr noundef [[F:%.*]]) #[[ATTR0:[0-9]+]] !dbg [[DBG4:![0-9]+]] !func_sanitize [[META12:![0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[F_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[F]], ptr [[F_ADDR]], align 8
+// CHECK-NEXT: #dbg_declare(ptr [[F_ADDR]], [[META13:![0-9]+]], !DIExpression(), [[META14:![0-9]+]])
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[F_ADDR]], align 8, !dbg [[DBG15:![0-9]+]]
+// CHECK-NEXT: call void (...) [[TMP0]](), !dbg [[DBG15]]
+// CHECK-NEXT: ret void, !dbg [[DBG16:![0-9]+]]
+//
+void call_no_prototype(void (*f)()) { f(); }
+
+// CHECK-LABEL: define dso_local void @call_prototype(
+// CHECK-SAME: ptr noundef [[F:%.*]]) #[[ATTR0]] !dbg [[DBG17:![0-9]+]] !func_sanitize [[META23:![0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[F_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[F]], ptr [[F_ADDR]], align 8
+// CHECK-NEXT: #dbg_declare(ptr [[F_ADDR]], [[META24:![0-9]+]], !DIExpression(), [[META25:![0-9]+]])
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[F_ADDR]], align 8, !dbg [[DBG26:![0-9]+]]
+// CHECK-NEXT: [[TMP1:%.*]] = getelementptr <{ i32, i32 }>, ptr [[TMP0]], i32 -1, i32 0, !dbg [[DBG26]], !nosanitize [[META11:![0-9]+]]
+// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[TMP1]], align 4, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], -1056584962, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: br i1 [[TMP3]], label %[[TYPECHECK:.*]], label %[[CONT1:.*]], !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK: [[TYPECHECK]]:
+// CHECK-NEXT: [[TMP4:%.*]] = getelementptr <{ i32, i32 }>, ptr [[TMP0]], i32 -1, i32 1, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[TMP4]], align 8, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP5]], 905068220, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: br i1 [[TMP6]], label %[[CONT:.*]], label %[[HANDLER_FUNCTION_TYPE_MISMATCH:.*]], !dbg [[DBG26]], !prof [[PROF27:![0-9]+]], !nosanitize [[META11]]
+// CHECK: [[HANDLER_FUNCTION_TYPE_MISMATCH]]:
+// CHECK-NEXT: [[TMP7:%.*]] = ptrtoint ptr [[TMP0]] to i64, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: call void @__ubsan_handle_function_type_mismatch_abort(ptr @[[GLOB1:[0-9]+]], i64 [[TMP7]]) #[[ATTR2:[0-9]+]], !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK-NEXT: unreachable, !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK: [[CONT]]:
+// CHECK-NEXT: br label %[[CONT1]], !dbg [[DBG26]], !nosanitize [[META11]]
+// CHECK: [[CONT1]]:
+// CHECK-NEXT: call void [[TMP0]](), !dbg [[DBG26]]
+// CHECK-NEXT: ret void, !dbg [[DBG28:![0-9]+]]
+//
+void call_prototype(void (*f)(void)) { f(); }
+//.
+// CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
+// CHECK: [[META1]] = !DIFile(filename: "<stdin>", directory: {{.*}})
+// CHECK: [[DBG4]] = distinct !DISubprogram(name: "call_no_prototype", scope: [[META5:![0-9]+]], file: [[META5]], line: 16, type: [[META6:![0-9]+]], scopeLine: 16, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META11]])
+// CHECK: [[META5]] = !DIFile(filename: "{{.*}}ubsan-function-debuginfo.c", directory: {{.*}})
+// CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
+// CHECK: [[META7]] = !{null, [[META8:![0-9]+]]}
+// CHECK: [[META8]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[META9:![0-9]+]], size: 64)
+// CHECK: [[META9]] = !DISubroutineType(types: [[META10:![0-9]+]])
+// CHECK: [[META10]] = !{null, null}
+// CHECK: [[META11]] = !{}
+// CHECK: [[META12]] = !{i32 -1056584962, i32 187769638}
+// CHECK: [[META13]] = !DILocalVariable(name: "f", arg: 1, scope: [[DBG4]], file: [[META5]], line: 16, type: [[META8]])
+// CHECK: [[META14]] = !DILocation(line: 16, column: 31, scope: [[DBG4]])
+// CHECK: [[DBG15]] = !DILocation(line: 16, column: 39, scope: [[DBG4]])
+// CHECK: [[DBG16]] = !DILocation(line: 16, column: 44, scope: [[DBG4]])
+// CHECK: [[DBG17]] = distinct !DISubprogram(name: "call_prototype", scope: [[META5]], file: [[META5]], line: 43, type: [[META18:![0-9]+]], scopeLine: 43, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META11]])
+// CHECK: [[META18]] = !DISubroutineType(types: [[META19:![0-9]+]])
+// CHECK: [[META19]] = !{null, [[META20:![0-9]+]]}
+// CHECK: [[META20]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[META21:![0-9]+]], size: 64)
+// CHECK: [[META21]] = !DISubroutineType(types: [[META22:![0-9]+]])
+// CHECK: [[META22]] = !{null}
+// CHECK: [[META23]] = !{i32 -1056584962, i32 -747727454}
+// CHECK: [[META24]] = !DILocalVariable(name: "f", arg: 1, scope: [[DBG17]], file: [[META5]], line: 43, type: [[META20]])
+// CHECK: [[META25]] = !DILocation(line: 43, column: 28, scope: [[DBG17]])
+// CHECK: [[DBG26]] = !DILocation(line: 43, column: 40, scope: [[DBG17]])
+// CHECK: [[PROF27]] = !{!"branch_weights", i32 1048575, i32 1}
+// CHECK: [[DBG28]] = !DILocation(line: 43, column: 45, scope: [[DBG17]])
+//.
diff --git a/clang/test/CodeGen/unsigned-promotion-debuginfo.c b/clang/test/CodeGen/unsigned-promotion-debuginfo.c
new file mode 100644
index 0000000000000..501096b002a0c
--- /dev/null
+++ b/clang/test/CodeGen/unsigned-promotion-debuginfo.c
@@ -0,0 +1,95 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s \
+// RUN: -fdebug-prefix-map=%S/= -fno-ident -fdebug-compilation-dir=%S -debug-info-kind=limited \
+// RUN: -fsanitize-annotate-debug-info=signed-integer-overflow \
+// RUN: -fsanitize=signed-integer-overflow | FileCheck %s --check-prefix=CHECKS
+
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s \
+// RUN: -fdebug-prefix-map=%S/= -fno-ident -fdebug-compilation-dir=%S -debug-info-kind=limited \
+// RUN: -fsanitize-annotate-debug-info=signed-integer-overflow \
+// RUN: -fsanitize=unsigned-integer-overflow | FileCheck %s --check-prefix=CHECKU
+
+unsigned short si, sj, sk;
+
+// CHECKS-LABEL: define dso_local void @testshortmul(
+// CHECKS-SAME: ) #[[ATTR0:[0-9]+]] !dbg [[DBG13:![0-9]+]] {
+// CHECKS-NEXT: [[ENTRY:.*:]]
+// CHECKS-NEXT: [[TMP0:%.*]] = load i16, ptr @sj, align 2, !dbg [[DBG16:![0-9]+]]
+// CHECKS-NEXT: [[CONV:%.*]] = zext i16 [[TMP0]] to i32, !dbg [[DBG16]]
+// CHECKS-NEXT: [[TMP1:%.*]] = load i16, ptr @sk, align 2, !dbg [[DBG17:![0-9]+]]
+// CHECKS-NEXT: [[CONV1:%.*]] = zext i16 [[TMP1]] to i32, !dbg [[DBG17]]
+// CHECKS-NEXT: [[TMP2:%.*]] = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 [[CONV]], i32 [[CONV1]]), !dbg [[DBG18:![0-9]+]], !nosanitize [[META19:![0-9]+]]
+// CHECKS-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0, !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1, !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS-NEXT: [[TMP5:%.*]] = xor i1 [[TMP4]], true, !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS-NEXT: br i1 [[TMP5]], label %[[CONT:.*]], label %[[HANDLER_MUL_OVERFLOW:.*]], !dbg [[DBG18]], !prof [[PROF20:![0-9]+]], !nosanitize [[META19]]
+// CHECKS: [[HANDLER_MUL_OVERFLOW]]:
+// CHECKS-NEXT: [[TMP6:%.*]] = zext i32 [[CONV]] to i64, !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS-NEXT: [[TMP7:%.*]] = zext i32 [[CONV1]] to i64, !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS-NEXT: call void @__ubsan_handle_mul_overflow_abort(ptr @[[GLOB1:[0-9]+]], i64 [[TMP6]], i64 [[TMP7]]) #[[ATTR3:[0-9]+]], !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS-NEXT: unreachable, !dbg [[DBG18]], !nosanitize [[META19]]
+// CHECKS: [[CONT]]:
+// CHECKS-NEXT: [[CONV2:%.*]] = trunc i32 [[TMP3]] to i16, !dbg [[DBG16]]
+// CHECKS-NEXT: store i16 [[CONV2]], ptr @si, align 2, !dbg [[DBG21:![0-9]+]]
+// CHECKS-NEXT: ret void, !dbg [[DBG22:![0-9]+]]
+//
+// CHECKU-LABEL: define dso_local void @testshortmul(
+// CHECKU-SAME: ) #[[ATTR0:[0-9]+]] !dbg [[DBG13:![0-9]+]] {
+// CHECKU-NEXT: [[ENTRY:.*:]]
+// CHECKU-NEXT: [[TMP0:%.*]] = load i16, ptr @sj, align 2, !dbg [[DBG16:![0-9]+]]
+// CHECKU-NEXT: [[CONV:%.*]] = zext i16 [[TMP0]] to i32, !dbg [[DBG16]]
+// CHECKU-NEXT: [[TMP1:%.*]] = load i16, ptr @sk, align 2, !dbg [[DBG17:![0-9]+]]
+// CHECKU-NEXT: [[CONV1:%.*]] = zext i16 [[TMP1]] to i32, !dbg [[DBG17]]
+// CHECKU-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV]], [[CONV1]], !dbg [[DBG18:![0-9]+]]
+// CHECKU-NEXT: [[CONV2:%.*]] = trunc i32 [[MUL]] to i16, !dbg [[DBG16]]
+// CHECKU-NEXT: store i16 [[CONV2]], ptr @si, align 2, !dbg [[DBG19:![0-9]+]]
+// CHECKU-NEXT: ret void, !dbg [[DBG20:![0-9]+]]
+//
+void testshortmul(void) {
+
+ //
+ si = sj * sk;
+}
+//.
+// CHECKS: [[META0:![0-9]+]] = !DIGlobalVariableExpression(var: [[META1:![0-9]+]], expr: !DIExpression())
+// CHECKS: [[META1]] = distinct !DIGlobalVariable(name: "sj", scope: [[META2:![0-9]+]], file: [[META7:![0-9]+]], line: 12, type: [[META8:![0-9]+]], isLocal: false, isDefinition: true)
+// CHECKS: [[META2]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META3:![0-9]+]], isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: [[META4:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
+// CHECKS: [[META3]] = !DIFile(filename: "<stdin>", directory: {{.*}})
+// CHECKS: [[META4]] = !{[[META5:![0-9]+]], [[META0]], [[META9:![0-9]+]]}
+// CHECKS: [[META5]] = !DIGlobalVariableExpression(var: [[META6:![0-9]+]], expr: !DIExpression())
+// CHECKS: [[META6]] = distinct !DIGlobalVariable(name: "si", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
+// CHECKS: [[META7]] = !DIFile(filename: "{{.*}}unsigned-promotion-debuginfo.c", directory: {{.*}})
+// CHECKS: [[META8]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)
+// CHECKS: [[META9]] = !DIGlobalVariableExpression(var: [[META10:![0-9]+]], expr: !DIExpression())
+// CHECKS: [[META10]] = distinct !DIGlobalVariable(name: "sk", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
+// CHECKS: [[DBG13]] = distinct !DISubprogram(name: "testshortmul", scope: [[META7]], file: [[META7]], line: 48, type: [[META14:![0-9]+]], scopeLine: 48, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META2]])
+// CHECKS: [[META14]] = !DISubroutineType(types: [[META15:![0-9]+]])
+// CHECKS: [[META15]] = !{null}
+// CHECKS: [[DBG16]] = !DILocation(line: 51, column: 8, scope: [[DBG13]])
+// CHECKS: [[DBG17]] = !DILocation(line: 51, column: 13, scope: [[DBG13]])
+// CHECKS: [[DBG18]] = !DILocation(line: 51, column: 11, scope: [[DBG13]])
+// CHECKS: [[META19]] = !{}
+// CHECKS: [[PROF20]] = !{!"branch_weights", i32 1048575, i32 1}
+// CHECKS: [[DBG21]] = !DILocation(line: 51, column: 6, scope: [[DBG13]])
+// CHECKS: [[DBG22]] = !DILocation(line: 52, column: 1, scope: [[DBG13]])
+//.
+// CHECKU: [[META0:![0-9]+]] = !DIGlobalVariableExpression(var: [[META1:![0-9]+]], expr: !DIExpression())
+// CHECKU: [[META1]] = distinct !DIGlobalVariable(name: "sj", scope: [[META2:![0-9]+]], file: [[META7:![0-9]+]], line: 12, type: [[META8:![0-9]+]], isLocal: false, isDefinition: true)
+// CHECKU: [[META2]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META3:![0-9]+]], isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: [[META4:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
+// CHECKU: [[META3]] = !DIFile(filename: "<stdin>", directory: {{.*}})
+// CHECKU: [[META4]] = !{[[META5:![0-9]+]], [[META0]], [[META9:![0-9]+]]}
+// CHECKU: [[META5]] = !DIGlobalVariableExpression(var: [[META6:![0-9]+]], expr: !DIExpression())
+// CHECKU: [[META6]] = distinct !DIGlobalVariable(name: "si", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
+// CHECKU: [[META7]] = !DIFile(filename: "{{.*}}unsigned-promotion-debuginfo.c", directory: {{.*}})
+// CHECKU: [[META8]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)
+// CHECKU: [[META9]] = !DIGlobalVariableExpression(var: [[META10:![0-9]+]], expr: !DIExpression())
+// CHECKU: [[META10]] = distinct !DIGlobalVariable(name: "sk", scope: [[META2]], file: [[META7]], line: 12, type: [[META8]], isLocal: false, isDefinition: true)
+// CHECKU: [[DBG13]] = distinct !DISubprogram(name: "testshortmul", scope: [[META7]], file: [[META7]], line: 48, type: [[META14:![0-9]+]], scopeLine: 48, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META2]])
+// CHECKU: [[META14]] = !DISubroutineType(types: [[META15:![0-9]+]])
+// CHECKU: [[META15]] = !{null}
+// CHECKU: [[DBG16]] = !DILocation(line: 51, column: 8, scope: [[DBG13]])
+// CHECKU: [[DBG17]] = !DILocation(line: 51, column: 13, scope: [[DBG13]])
+// CHECKU: [[DBG18]] = !DILocation(line: 51, column: 11, scope: [[DBG13]])
+// CHECKU: [[DBG19]] = !DILocation(line: 51, column: 6, scope: [[DBG13]])
+// CHECKU: [[DBG20]] = !DILocation(line: 52, column: 1, scope: [[DBG13]])
+//.
``````````
</details>
https://github.com/llvm/llvm-project/pull/141814
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