| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,GNU,64 | |
| // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,MSVC,64 | |
| // RUN: %clang_cc1 -triple aarch64-linux-gnu -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,GNU,64 | |
| // RUN: %clang_cc1 -triple aarch64_be-linux-gnu -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,GNU,64 | |
| // RUN: %clang_cc1 -triple arm-none-eabi -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all | FileCheck %s --check-prefixes=CHECK,ARM,GNU,32 | |
| // RUN: %clang_cc1 -triple arm64e-apple-ios -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all -fptrauth-calls | FileCheck %s --check-prefixes=CHECK,GNU,64,AUTH | |
| // RUN: %clang_cc1 -triple aarch64-linux-gnu -emit-llvm -o - %s -fsanitize=function -fno-sanitize-recover=all -fptrauth-calls | FileCheck %s --check-prefixes=CHECK,GNU,64,AUTH | |
| // GNU: define{{.*}} void @_Z3funv() #0 !func_sanitize ![[FUNCSAN:.*]] { | |
| // MSVC: define{{.*}} void @"?fun@@YAXXZ"() #0 !func_sanitize ![[FUNCSAN:.*]] { | |
| void fun() {} | |
| // GNU-LABEL: define{{.*}} void @_Z6callerPFvvE(ptr noundef %f) | |
| // MSVC-LABEL: define{{.*}} void @"?caller@@YAXP6AXXZ@Z"(ptr noundef %f) | |
| // ARM: call ptr @llvm.ptrmask.p0.i32(ptr {{.*}}, i32 -2), !nosanitize !6 | |
| // AUTH: %[[STRIPPED:.*]] = ptrtoint ptr {{.*}} to i64, !nosanitize | |
| // AUTH: call i64 @llvm.ptrauth.auth(i64 %[[STRIPPED]], i32 0, i64 0), !nosanitize | |
| // CHECK: getelementptr <{ i32, i32 }>, ptr {{.*}}, i32 -1, i32 0, !nosanitize | |
| // CHECK: load i32, ptr {{.*}}, align {{.*}}, !nosanitize | |
| // CHECK: icmp eq i32 {{.*}}, -1056584962, !nosanitize | |
| // CHECK: br i1 {{.*}}, label %[[LABEL1:.*]], label %[[LABEL4:.*]], !nosanitize | |
| // CHECK: [[LABEL1]]: | |
| // CHECK: getelementptr <{ i32, i32 }>, ptr {{.*}}, i32 -1, i32 1, !nosanitize | |
| // CHECK: load i32, ptr {{.*}}, align {{.*}}, !nosanitize | |
| // GNU: icmp eq i32 {{.*}}, 905068220, !nosanitize | |
| // MSVC: icmp eq i32 {{.*}}, -1600339357, !nosanitize | |
| // CHECK: br i1 {{.*}}, label %[[LABEL3:.*]], label %[[LABEL2:[^,]*]], {{.*}}!nosanitize | |
| // CHECK: [[LABEL2]]: | |
| // 64: call void @__ubsan_handle_function_type_mismatch_abort(ptr @[[#]], i64 %[[#]]) #[[#]], !nosanitize | |
| // 32: call void @__ubsan_handle_function_type_mismatch_abort(ptr @[[#]], i32 %[[#]]) #[[#]], !nosanitize | |
| // CHECK-NEXT: unreachable, !nosanitize | |
| // CHECK-EMPTY: | |
| // CHECK-NEXT: [[LABEL3]]: | |
| // CHECK: br label %[[LABEL4]], !nosanitize | |
| // CHECK-EMPTY: | |
| // CHECK-NEXT: [[LABEL4]]: | |
| // CHECK-NEXT: call void | |
| // CHECK-NEXT: ret void | |
| void caller(void (*f)()) { f(); } | |
| // GNU: define{{.*}} void @_Z4fun2v() #0 { | |
| // MSVC: define{{.*}} void @"?fun2@@YAXXZ"() #0 { | |
| [[clang::cfi_unchecked_callee]] | |
| void fun2() {} | |
| typedef void (*unchecked_t)() [[clang::cfi_unchecked_callee]]; | |
| // GNU-LABEL: define{{.*}} void @_Z7caller2PFvvE(ptr noundef %f) | |
| // MSVC-LABEL: define{{.*}} void @"?caller2@@YAXP6AXXZ@Z"(ptr noundef %f) | |
| // CHECK-NEXT: entry: | |
| // CHECK-NEXT: [[ADDR:%.*]] = alloca ptr | |
| // CHECK-NEXT: store ptr %f, ptr [[ADDR]] | |
| // CHECK-NEXT: [[FUNC:%.*]] = load ptr, ptr [[ADDR]] | |
| // CHECK-NEXT: call void [[FUNC]]() | |
| // CHECK-NEXT: ret void | |
| void caller2(unchecked_t f) { f(); } | |
| // GNU: ![[FUNCSAN]] = !{i32 -1056584962, i32 905068220} | |
| // MSVC: ![[FUNCSAN]] = !{i32 -1056584962, i32 -1600339357} |