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// 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: ptrtoint ptr {{.*}} to i32, !nosanitize !5
// ARM: and i32 {{.*}}, -2, !nosanitize !5
// ARM: inttoptr i32 {{.*}} to ptr, !nosanitize !5
// 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: ![[FUNCSAN]] = !{i32 -1056584962, i32 905068220}
// MSVC: ![[FUNCSAN]] = !{i32 -1056584962, i32 -1600339357}
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