| // 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 |
| |
| // GNU: define{{.*}} void @_Z3funv() #0 !func_sanitize ![[FUNCSAN:.*]] { |
| // MSVC: define{{.*}} void @"?fun@@YA?A?<auto>@@XZ"() #0 !func_sanitize ![[FUNCSAN:.*]] { |
| auto fun() {} |
| |
| // GNU-LABEL: define{{.*}} void @_Z6callerv() |
| // MSVC-LABEL: define{{.*}} void @"?caller@@YAXXZ"() |
| // ARM: ptrtoint ptr {{.*}} to i32, !nosanitize !4 |
| // ARM: and i32 {{.*}}, -2, !nosanitize !4 |
| // ARM: inttoptr i32 {{.*}} to ptr, !nosanitize !4 |
| // 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() { |
| auto a = fun; |
| a(); |
| } |
| |
| // GNU: ![[FUNCSAN]] = !{i32 -1056584962, i32 905068220} |
| // MSVC: ![[FUNCSAN]] = !{i32 -1056584962, i32 -1600339357} |
