[clang] [NFC][CFI] Add tests for different reporting settings (PR #137225)
Thurston Dang via cfe-commits
cfe-commits at lists.llvm.org
Thu Apr 24 12:16:58 PDT 2025
================
@@ -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}
----------------
thurstond wrote:
Will the metadata checks add unnecessary brittleness to the tests?
https://github.com/llvm/llvm-project/pull/137225
More information about the cfe-commits
mailing list