llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Vitaly Buka (vitalybuka) <details> <summary>Changes</summary> 1. Trap 2. Abort from runtime 3. Recover from runtime 4. Abort from minimal runtime 5. Recover from minimal runtime They already work as expected. --- Full diff: https://github.com/llvm/llvm-project/pull/137225.diff 2 Files Affected: - (added) clang/test/CodeGen/cfi-icall-trap-recover-runtime.c (+188) - (added) clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp (+132) ``````````diff diff --git a/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c b/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c new file mode 100644 index 0000000000000..117672a9d4368 --- /dev/null +++ b/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c @@ -0,0 +1,188 @@ +// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5 +// RUN: %clang_cc1 -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=TRAP %s + +// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=ABORT %s + +// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER %s + +// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=ABORT_MIN %s + +// 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 + +// TRAP-LABEL: define hidden void @f( +// TRAP-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { +// TRAP-NEXT: [[ENTRY:.*:]] +// TRAP-NEXT: ret void +// +// ABORT-LABEL: define hidden void @f( +// ABORT-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { +// ABORT-NEXT: [[ENTRY:.*:]] +// ABORT-NEXT: ret void +// +// RECOVER-LABEL: define hidden void @f( +// RECOVER-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { +// RECOVER-NEXT: [[ENTRY:.*:]] +// RECOVER-NEXT: ret void +// +// ABORT_MIN-LABEL: define hidden void @f( +// ABORT_MIN-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { +// ABORT_MIN-NEXT: [[ENTRY:.*:]] +// ABORT_MIN-NEXT: ret void +// +// RECOVER_MIN-LABEL: define hidden void @f( +// RECOVER_MIN-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { +// RECOVER_MIN-NEXT: [[ENTRY:.*:]] +// RECOVER_MIN-NEXT: ret void +// +void f() { +} + +void xf(); + +// TRAP-LABEL: define hidden void @g( +// TRAP-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] { +// TRAP-NEXT: [[ENTRY:.*:]] +// TRAP-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// TRAP-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// TRAP-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// TRAP-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// TRAP-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// TRAP-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// TRAP-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// TRAP-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// TRAP-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// TRAP-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]] +// TRAP-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[TRAP:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]] +// TRAP: [[TRAP]]: +// TRAP-NEXT: call void @llvm.ubsantrap(i8 2) #[[ATTR4:[0-9]+]], !nosanitize [[META10]] +// TRAP-NEXT: unreachable, !nosanitize [[META10]] +// TRAP: [[CONT]]: +// TRAP-NEXT: call void (...) [[TMP2]]() +// TRAP-NEXT: ret void +// +// ABORT-LABEL: define hidden void @g( +// ABORT-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] { +// ABORT-NEXT: [[ENTRY:.*:]] +// ABORT-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// ABORT-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// ABORT-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// ABORT-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// ABORT-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// ABORT-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// ABORT-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// ABORT-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// ABORT-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// ABORT-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]] +// ABORT-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]] +// ABORT: [[HANDLER_CFI_CHECK_FAIL]]: +// ABORT-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[TMP2]] to i64, !nosanitize [[META10]] +// ABORT-NEXT: call void @__ubsan_handle_cfi_check_fail_abort(ptr @anon.3d4044d65abdda407a92991f1300ec97.1, i64 [[TMP4]], i64 undef) #[[ATTR4:[0-9]+]], !nosanitize [[META10]] +// ABORT-NEXT: unreachable, !nosanitize [[META10]] +// ABORT: [[CONT]]: +// ABORT-NEXT: call void (...) [[TMP2]]() +// ABORT-NEXT: ret void +// +// RECOVER-LABEL: define hidden void @g( +// RECOVER-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] { +// RECOVER-NEXT: [[ENTRY:.*:]] +// RECOVER-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// RECOVER-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// RECOVER-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// RECOVER-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// RECOVER-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// RECOVER-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// RECOVER-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// RECOVER-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// RECOVER-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// RECOVER-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]] +// RECOVER-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]] +// RECOVER: [[HANDLER_CFI_CHECK_FAIL]]: +// RECOVER-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[TMP2]] to i64, !nosanitize [[META10]] +// RECOVER-NEXT: call void @__ubsan_handle_cfi_check_fail(ptr @anon.3d4044d65abdda407a92991f1300ec97.1, i64 [[TMP4]], i64 undef) #[[ATTR4:[0-9]+]], !nosanitize [[META10]] +// RECOVER-NEXT: br label %[[CONT]], !nosanitize [[META10]] +// RECOVER: [[CONT]]: +// RECOVER-NEXT: call void (...) [[TMP2]]() +// RECOVER-NEXT: ret void +// +// ABORT_MIN-LABEL: define hidden void @g( +// ABORT_MIN-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] { +// ABORT_MIN-NEXT: [[ENTRY:.*:]] +// ABORT_MIN-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// ABORT_MIN-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// ABORT_MIN-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// ABORT_MIN-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// ABORT_MIN-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// ABORT_MIN-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// ABORT_MIN-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// ABORT_MIN-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// ABORT_MIN-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// ABORT_MIN-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]] +// ABORT_MIN-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]] +// ABORT_MIN: [[HANDLER_CFI_CHECK_FAIL]]: +// ABORT_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal_abort() #[[ATTR4:[0-9]+]], !nosanitize [[META10]] +// ABORT_MIN-NEXT: unreachable, !nosanitize [[META10]] +// ABORT_MIN: [[CONT]]: +// ABORT_MIN-NEXT: call void (...) [[TMP2]]() +// ABORT_MIN-NEXT: ret void +// +// RECOVER_MIN-LABEL: define hidden void @g( +// RECOVER_MIN-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] { +// RECOVER_MIN-NEXT: [[ENTRY:.*:]] +// RECOVER_MIN-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// RECOVER_MIN-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// RECOVER_MIN-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// RECOVER_MIN-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// RECOVER_MIN-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// RECOVER_MIN-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// RECOVER_MIN-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// RECOVER_MIN-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// RECOVER_MIN-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// RECOVER_MIN-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]] +// RECOVER_MIN-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]] +// RECOVER_MIN: [[HANDLER_CFI_CHECK_FAIL]]: +// RECOVER_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR4:[0-9]+]], !nosanitize [[META10]] +// RECOVER_MIN-NEXT: br label %[[CONT]], !nosanitize [[META10]] +// RECOVER_MIN: [[CONT]]: +// RECOVER_MIN-NEXT: call void (...) [[TMP2]]() +// RECOVER_MIN-NEXT: ret void +// +void g(int b) { + void (*fp)() = b ? f : xf; + fp(); +} +//. +// TRAP: [[META6]] = !{i64 0, !"_ZTSFvE"} +// TRAP: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"} +// TRAP: [[META8]] = !{i64 0, !"_ZTSFviE"} +// TRAP: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"} +// TRAP: [[META10]] = !{} +// TRAP: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// ABORT: [[META6]] = !{i64 0, !"_ZTSFvE"} +// ABORT: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"} +// ABORT: [[META8]] = !{i64 0, !"_ZTSFviE"} +// ABORT: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"} +// ABORT: [[META10]] = !{} +// ABORT: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// RECOVER: [[META6]] = !{i64 0, !"_ZTSFvE"} +// RECOVER: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"} +// RECOVER: [[META8]] = !{i64 0, !"_ZTSFviE"} +// RECOVER: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"} +// RECOVER: [[META10]] = !{} +// RECOVER: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// ABORT_MIN: [[META6]] = !{i64 0, !"_ZTSFvE"} +// ABORT_MIN: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"} +// ABORT_MIN: [[META8]] = !{i64 0, !"_ZTSFviE"} +// ABORT_MIN: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"} +// ABORT_MIN: [[META10]] = !{} +// ABORT_MIN: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// RECOVER_MIN: [[META6]] = !{i64 0, !"_ZTSFvE"} +// RECOVER_MIN: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"} +// RECOVER_MIN: [[META8]] = !{i64 0, !"_ZTSFviE"} +// RECOVER_MIN: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"} +// RECOVER_MIN: [[META10]] = !{} +// RECOVER_MIN: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} +//. diff --git a/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp b/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp new file mode 100644 index 0000000000000..3e9328ac0e3ca --- /dev/null +++ b/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp @@ -0,0 +1,132 @@ +// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5 +// RUN: %clang_cc1 -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=TRAP %s + +// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=ABORT %s + +// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER %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 -emit-llvm -o - %s | FileCheck --check-prefix=ABORT_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 -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN %s + +struct S1 { + virtual void f(); +}; + +// TRAP-LABEL: define hidden void @_Z3s1fP2S1( +// TRAP-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// TRAP-NEXT: [[ENTRY:.*:]] +// TRAP-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8 +// TRAP-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8 +// TRAP-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8 +// TRAP-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8 +// TRAP-NEXT: [[TMP1:%.*]] = call { ptr, i1 } @llvm.type.checked.load(ptr [[VTABLE]], i32 0, metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]] +// TRAP-NEXT: [[TMP2:%.*]] = extractvalue { ptr, i1 } [[TMP1]], 1, !nosanitize [[META5]] +// TRAP-NEXT: br i1 [[TMP2]], label %[[CONT:.*]], label %[[TRAP:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]] +// TRAP: [[TRAP]]: +// TRAP-NEXT: call void @llvm.ubsantrap(i8 2) #[[ATTR3:[0-9]+]], !nosanitize [[META5]] +// TRAP-NEXT: unreachable, !nosanitize [[META5]] +// TRAP: [[CONT]]: +// TRAP-NEXT: [[TMP3:%.*]] = extractvalue { ptr, i1 } [[TMP1]], 0, !nosanitize [[META5]] +// TRAP-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) +// TRAP-NEXT: ret void +// +// ABORT-LABEL: define hidden void @_Z3s1fP2S1( +// ABORT-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// ABORT-NEXT: [[ENTRY:.*:]] +// ABORT-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8 +// ABORT-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8 +// ABORT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8 +// ABORT-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8 +// ABORT-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]] +// ABORT-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META5]] +// ABORT-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]] +// ABORT: [[HANDLER_CFI_CHECK_FAIL]]: +// ABORT-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[VTABLE]] to i64, !nosanitize [[META5]] +// ABORT-NEXT: [[TMP4:%.*]] = zext i1 [[TMP2]] to i64, !nosanitize [[META5]] +// ABORT-NEXT: call void @__ubsan_handle_cfi_check_fail_abort(ptr @anon.00e38160576ab76122d2f8d139d2e390.1, i64 [[TMP3]], i64 [[TMP4]]) #[[ATTR3:[0-9]+]], !nosanitize [[META5]] +// ABORT-NEXT: unreachable, !nosanitize [[META5]] +// ABORT: [[CONT]]: +// ABORT-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0 +// ABORT-NEXT: [[TMP5:%.*]] = load ptr, ptr [[VFN]], align 8 +// ABORT-NEXT: call void [[TMP5]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) +// ABORT-NEXT: ret void +// +// RECOVER-LABEL: define hidden void @_Z3s1fP2S1( +// RECOVER-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// RECOVER-NEXT: [[ENTRY:.*:]] +// RECOVER-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8 +// RECOVER-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8 +// RECOVER-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8 +// RECOVER-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8 +// RECOVER-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]] +// RECOVER-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META5]] +// RECOVER-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]] +// RECOVER: [[HANDLER_CFI_CHECK_FAIL]]: +// RECOVER-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[VTABLE]] to i64, !nosanitize [[META5]] +// RECOVER-NEXT: [[TMP4:%.*]] = zext i1 [[TMP2]] to i64, !nosanitize [[META5]] +// RECOVER-NEXT: call void @__ubsan_handle_cfi_check_fail(ptr @anon.00e38160576ab76122d2f8d139d2e390.1, i64 [[TMP3]], i64 [[TMP4]]) #[[ATTR3:[0-9]+]], !nosanitize [[META5]] +// RECOVER-NEXT: br label %[[CONT]], !nosanitize [[META5]] +// RECOVER: [[CONT]]: +// RECOVER-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0 +// RECOVER-NEXT: [[TMP5:%.*]] = load ptr, ptr [[VFN]], align 8 +// RECOVER-NEXT: call void [[TMP5]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) +// RECOVER-NEXT: ret void +// +// ABORT_MIN-LABEL: define hidden void @_Z3s1fP2S1( +// ABORT_MIN-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// ABORT_MIN-NEXT: [[ENTRY:.*:]] +// ABORT_MIN-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8 +// ABORT_MIN-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8 +// ABORT_MIN-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8 +// ABORT_MIN-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8 +// ABORT_MIN-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]] +// ABORT_MIN-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META5]] +// ABORT_MIN-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]] +// ABORT_MIN: [[HANDLER_CFI_CHECK_FAIL]]: +// ABORT_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal_abort() #[[ATTR3:[0-9]+]], !nosanitize [[META5]] +// ABORT_MIN-NEXT: unreachable, !nosanitize [[META5]] +// ABORT_MIN: [[CONT]]: +// ABORT_MIN-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0 +// ABORT_MIN-NEXT: [[TMP3:%.*]] = load ptr, ptr [[VFN]], align 8 +// ABORT_MIN-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) +// ABORT_MIN-NEXT: ret void +// +// RECOVER_MIN-LABEL: define hidden void @_Z3s1fP2S1( +// RECOVER_MIN-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// RECOVER_MIN-NEXT: [[ENTRY:.*:]] +// RECOVER_MIN-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8 +// RECOVER_MIN-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8 +// RECOVER_MIN-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8 +// RECOVER_MIN-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8 +// RECOVER_MIN-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]] +// RECOVER_MIN-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META5]] +// RECOVER_MIN-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]] +// RECOVER_MIN: [[HANDLER_CFI_CHECK_FAIL]]: +// RECOVER_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR3:[0-9]+]], !nosanitize [[META5]] +// RECOVER_MIN-NEXT: br label %[[CONT]], !nosanitize [[META5]] +// RECOVER_MIN: [[CONT]]: +// RECOVER_MIN-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0 +// RECOVER_MIN-NEXT: [[TMP3:%.*]] = load ptr, ptr [[VFN]], align 8 +// RECOVER_MIN-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) +// RECOVER_MIN-NEXT: ret void +// +void s1f(S1 *s1) { + s1->f(); +} +//. +// TRAP: [[META5]] = !{} +// TRAP: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// ABORT: [[META5]] = !{} +// ABORT: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// RECOVER: [[META5]] = !{} +// RECOVER: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// ABORT_MIN: [[META5]] = !{} +// ABORT_MIN: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// RECOVER_MIN: [[META5]] = !{} +// RECOVER_MIN: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} +//. `````````` </details> https://github.com/llvm/llvm-project/pull/137225 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
