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Nov 25, 2025
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[compiler-rt] [UBsan] precommit test #169579

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73 changes: 73 additions & 0 deletions clang/test/CodeGen/cfi-icall-trap-recover-runtime.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,13 @@

// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN %s

// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fsanitize-minimal-runtime -fsanitize-handler-preserve-all-regs -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=PRESERVE_MIN %s

// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fsanitize-minimal-runtime -fsanitize-handler-preserve-all-regs -flto -fvisibility=hidden -triple riscv64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN_I386 %s

// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-minimal-runtime -fsanitize-handler-preserve-all-regs -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=ABORT_MIN %s


// TRAP-LABEL: define hidden void @f(
// TRAP-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] {
// TRAP-NEXT: [[ENTRY:.*:]]
Expand All @@ -34,6 +41,16 @@
// RECOVER_MIN-NEXT: [[ENTRY:.*:]]
// RECOVER_MIN-NEXT: ret void
//
// PRESERVE_MIN-LABEL: define hidden void @f(
// PRESERVE_MIN-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] {
// PRESERVE_MIN-NEXT: [[ENTRY:.*:]]
// PRESERVE_MIN-NEXT: ret void
//
// RECOVER_MIN_I386-LABEL: define hidden void @f(
// RECOVER_MIN_I386-SAME: ) #[[ATTR0:[0-9]+]] !type [[META10:![0-9]+]] !type [[META11:![0-9]+]] {
// RECOVER_MIN_I386-NEXT: [[ENTRY:.*:]]
// RECOVER_MIN_I386-NEXT: ret void
//
void f() {
}

Expand Down Expand Up @@ -146,6 +163,48 @@ void xf();
// RECOVER_MIN-NEXT: call void (...) [[TMP2]]()
// RECOVER_MIN-NEXT: ret void
//
// PRESERVE_MIN-LABEL: define hidden void @g(
// PRESERVE_MIN-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] {
// PRESERVE_MIN-NEXT: [[ENTRY:.*:]]
// PRESERVE_MIN-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4
// PRESERVE_MIN-NEXT: [[FP:%.*]] = alloca ptr, align 8
// PRESERVE_MIN-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4
// PRESERVE_MIN-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4
// PRESERVE_MIN-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
// PRESERVE_MIN-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64
// PRESERVE_MIN-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf
// PRESERVE_MIN-NEXT: store ptr [[COND]], ptr [[FP]], align 8
// PRESERVE_MIN-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8
// PRESERVE_MIN-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]]
// PRESERVE_MIN-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]]
// PRESERVE_MIN: [[HANDLER_CFI_CHECK_FAIL]]:
// PRESERVE_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR4:[0-9]+]], !nosanitize [[META10]]
// PRESERVE_MIN-NEXT: br label %[[CONT]], !nosanitize [[META10]]
// PRESERVE_MIN: [[CONT]]:
// PRESERVE_MIN-NEXT: call void (...) [[TMP2]]()
// PRESERVE_MIN-NEXT: ret void
//
// RECOVER_MIN_I386-LABEL: define hidden void @g(
// RECOVER_MIN_I386-SAME: i32 noundef signext [[B:%.*]]) #[[ATTR0]] !type [[META12:![0-9]+]] !type [[META13:![0-9]+]] {
// RECOVER_MIN_I386-NEXT: [[ENTRY:.*:]]
// RECOVER_MIN_I386-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4
// RECOVER_MIN_I386-NEXT: [[FP:%.*]] = alloca ptr, align 8
// RECOVER_MIN_I386-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4
// RECOVER_MIN_I386-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4
// RECOVER_MIN_I386-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
// RECOVER_MIN_I386-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64
// RECOVER_MIN_I386-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf
// RECOVER_MIN_I386-NEXT: store ptr [[COND]], ptr [[FP]], align 8
// RECOVER_MIN_I386-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8
// RECOVER_MIN_I386-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META14:![0-9]+]]
// RECOVER_MIN_I386-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF15:![0-9]+]], !nosanitize [[META14]]
// RECOVER_MIN_I386: [[HANDLER_CFI_CHECK_FAIL]]:
// RECOVER_MIN_I386-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR4:[0-9]+]], !nosanitize [[META14]]
// RECOVER_MIN_I386-NEXT: br label %[[CONT]], !nosanitize [[META14]]
// RECOVER_MIN_I386: [[CONT]]:
// RECOVER_MIN_I386-NEXT: call void [[TMP2]]()
// RECOVER_MIN_I386-NEXT: ret void
//
void g(int b) {
void (*fp)() = b ? f : xf;
fp();
Expand Down Expand Up @@ -186,3 +245,17 @@ void g(int b) {
// RECOVER_MIN: [[META10]] = !{}
// RECOVER_MIN: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1}
//.
// PRESERVE_MIN: [[META6]] = !{i64 0, !"_ZTSFvE"}
// PRESERVE_MIN: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"}
// PRESERVE_MIN: [[META8]] = !{i64 0, !"_ZTSFviE"}
// PRESERVE_MIN: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"}
// PRESERVE_MIN: [[META10]] = !{}
// PRESERVE_MIN: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1}
//.
// RECOVER_MIN_I386: [[META10]] = !{i64 0, !"_ZTSFvE"}
// RECOVER_MIN_I386: [[META11]] = !{i64 0, !"_ZTSFvE.generalized"}
// RECOVER_MIN_I386: [[META12]] = !{i64 0, !"_ZTSFviE"}
// RECOVER_MIN_I386: [[META13]] = !{i64 0, !"_ZTSFviE.generalized"}
// RECOVER_MIN_I386: [[META14]] = !{}
// RECOVER_MIN_I386: [[PROF15]] = !{!"branch_weights", i32 1048575, i32 1}
//.
51 changes: 51 additions & 0 deletions clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,13 @@

// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN %s

// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -fsanitize-handler-preserve-all-regs -emit-llvm -o - %s | FileCheck --check-prefix=PRESERVE_MIN %s

// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple i386-unknown-linux -fwhole-program-vtables -fsanitize-handler-preserve-all-regs -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN_I386 %s

// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -fsanitize-handler-preserve-all-regs -emit-llvm -o - %s | FileCheck --check-prefix=ABORT_MIN %s


struct S1 {
virtual void f();
};
Expand Down Expand Up @@ -111,6 +118,44 @@ struct S1 {
// RECOVER_MIN-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]])
// RECOVER_MIN-NEXT: ret void
//
// PRESERVE_MIN-LABEL: define hidden void @_Z3s1fP2S1(
// PRESERVE_MIN-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] {
// PRESERVE_MIN-NEXT: [[ENTRY:.*:]]
// PRESERVE_MIN-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8
// PRESERVE_MIN-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8
// PRESERVE_MIN-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8
// PRESERVE_MIN-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8
// PRESERVE_MIN-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]]
// PRESERVE_MIN-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META5]]
// PRESERVE_MIN-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]]
// PRESERVE_MIN: [[HANDLER_CFI_CHECK_FAIL]]:
// PRESERVE_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR3:[0-9]+]], !nosanitize [[META5]]
// PRESERVE_MIN-NEXT: br label %[[CONT]], !nosanitize [[META5]]
// PRESERVE_MIN: [[CONT]]:
// PRESERVE_MIN-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0
// PRESERVE_MIN-NEXT: [[TMP3:%.*]] = load ptr, ptr [[VFN]], align 8
// PRESERVE_MIN-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]])
// PRESERVE_MIN-NEXT: ret void
//
// RECOVER_MIN_I386-LABEL: define hidden void @_Z3s1fP2S1(
// RECOVER_MIN_I386-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] {
// RECOVER_MIN_I386-NEXT: [[ENTRY:.*:]]
// RECOVER_MIN_I386-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 4
// RECOVER_MIN_I386-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 4
// RECOVER_MIN_I386-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 4
// RECOVER_MIN_I386-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 4
// RECOVER_MIN_I386-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META6:![0-9]+]]
// RECOVER_MIN_I386-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META6]]
// RECOVER_MIN_I386-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF7:![0-9]+]], !nosanitize [[META6]]
// RECOVER_MIN_I386: [[HANDLER_CFI_CHECK_FAIL]]:
// RECOVER_MIN_I386-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR3:[0-9]+]], !nosanitize [[META6]]
// RECOVER_MIN_I386-NEXT: br label %[[CONT]], !nosanitize [[META6]]
// RECOVER_MIN_I386: [[CONT]]:
// RECOVER_MIN_I386-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0
// RECOVER_MIN_I386-NEXT: [[TMP3:%.*]] = load ptr, ptr [[VFN]], align 4
// RECOVER_MIN_I386-NEXT: call void [[TMP3]](ptr noundef nonnull align 4 dereferenceable(4) [[TMP0]])
// RECOVER_MIN_I386-NEXT: ret void
//
void s1f(S1 *s1) {
s1->f();
}
Expand All @@ -130,3 +175,9 @@ void s1f(S1 *s1) {
// RECOVER_MIN: [[META5]] = !{}
// RECOVER_MIN: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1}
//.
// PRESERVE_MIN: [[META5]] = !{}
// PRESERVE_MIN: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1}
//.
// RECOVER_MIN_I386: [[META6]] = !{}
// RECOVER_MIN_I386: [[PROF7]] = !{!"branch_weights", i32 1048575, i32 1}
//.