llvm-project/clang/test/CodeGen/transparent-union.c

42 lines
1.8 KiB
C

// RUN: %clang_cc1 -no-opaque-pointers -Werror -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -Werror -triple i386-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -Werror -triple armv7-linux -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM
// RUN: %clang_cc1 -no-opaque-pointers -Werror -triple powerpc64le-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -Werror -triple aarch64-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -DINFRONT -Werror -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -DINFRONT -Werror -triple i386-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -DINFRONT -Werror -triple armv7-linux -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM
// RUN: %clang_cc1 -no-opaque-pointers -DINFRONT -Werror -triple powerpc64le-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -DINFRONT -Werror -triple aarch64-linux -emit-llvm -o - %s | FileCheck %s
#ifdef INFRONT
typedef union __attribute__((transparent_union)) {
void *f0;
} transp_t0;
#else
typedef union {
void *f0;
} transp_t0 __attribute__((transparent_union));
#endif
void f0(transp_t0 obj);
// CHECK-LABEL: define{{.*}} void @f1_0(i32* noundef %a0)
// CHECK: call void @f0(i8* %{{.*}})
// CHECK: call void %{{.*}}(i8* noundef %{{[a-z0-9]*}})
// CHECK: }
// ARM-LABEL: define{{.*}} arm_aapcscc void @f1_0(i32* noundef %a0)
// ARM: call arm_aapcscc void @f0(i8* %{{.*}})
// ARM: call arm_aapcscc void %{{.*}}(i8* noundef %{{[a-z0-9]*}})
// ARM: }
void f1_0(int *a0) {
void (*f0p)(void *) = f0;
f0(a0);
f0p(a0);
}
void f1_1(int *a0) {
f0((transp_t0) { a0 });
}