xref: /llvm-project/clang/test/CodeGen/ptrauth-function-lvalue-cast.c (revision e23250ecb7e09170e584db60375100790f39fac9)
1 // RUN: %clang_cc1 %s -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -emit-llvm -o- | FileCheck %s
2 // RUN: %clang_cc1 %s -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -o- | FileCheck %s
3 
4 typedef void (*fptr_t)(void);
5 
6 char *cptr;
7 void (*fptr)(void);
8 
9 // CHECK: define {{(dso_local )?}}void @test1
test1()10 void test1() {
11   // CHECK: [[LOAD:%.*]] = load ptr, ptr @cptr
12   // CHECK: call void [[LOAD]]() [ "ptrauth"(i32 0, i64 0) ]
13   // CHECK: ret void
14 
15   (*(fptr_t)cptr)();
16 }
17 
18 // CHECK: define {{(dso_local )?}}i8 @test2
test2()19 char test2() {
20   return *(char *)fptr;
21   // CHECK: [[LOAD:%.*]] = load ptr, ptr @fptr
22   // CHECK: [[LOAD1:%.*]] = load i8, ptr [[LOAD]]
23   // CHECK: ret i8 [[LOAD1]]
24 }
25