Author: Matheus Izvekov Date: 2023-09-21T02:57:49+02:00 New Revision: 4914d33b6fc4284a491e3c9a050f277511da17b6
URL: https://github.com/llvm/llvm-project/commit/4914d33b6fc4284a491e3c9a050f277511da17b6 DIFF: https://github.com/llvm/llvm-project/commit/4914d33b6fc4284a491e3c9a050f277511da17b6.diff LOG: -fsanitize=function: Add a (bugged) test case for a sugared function type Added: clang/test/CodeGen/ubsan-function-sugared.cpp Modified: Removed: ################################################################################ diff --git a/clang/test/CodeGen/ubsan-function-sugared.cpp b/clang/test/CodeGen/ubsan-function-sugared.cpp new file mode 100644 index 000000000000000..238bf31f4aba6d1 --- /dev/null +++ b/clang/test/CodeGen/ubsan-function-sugared.cpp @@ -0,0 +1,44 @@ +// 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} +// FIXME: Wrong hash +// MSVC: ![[FUNCSAN]] = !{i32 -1056584962, i32 165986058} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits