88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
|
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
|
|
|
|
void foo() {
|
|
struct A { char buf[16]; };
|
|
struct B : A {};
|
|
struct C { int i; B bs[1]; } *c;
|
|
|
|
int gi;
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 false, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0], 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 false, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0], 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 true, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0], 2);
|
|
// CHECK: store i32 16
|
|
gi = __builtin_object_size(&c->bs[0], 3);
|
|
}
|
|
|
|
|
|
void foo2() {
|
|
struct A { int a; };
|
|
struct B { int b; };
|
|
struct C: public A, public B {};
|
|
|
|
C c;
|
|
|
|
int gi;
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size(&c, 0);
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size((A*)&c, 0);
|
|
// CHECK: store i32 4
|
|
gi = __builtin_object_size((B*)&c, 0);
|
|
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size((char*)&c, 0);
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size((char*)(A*)&c, 0);
|
|
// CHECK: store i32 4
|
|
gi = __builtin_object_size((char*)(B*)&c, 0);
|
|
}
|
|
|
|
|
|
typedef struct {
|
|
double c[0];
|
|
float f;
|
|
} foofoo0_t;
|
|
|
|
unsigned babar0(foofoo0_t *f) {
|
|
// CHECK: ret i32 0
|
|
return __builtin_object_size(f->c, 1);
|
|
}
|
|
|
|
void test2() {
|
|
struct A { char buf[16]; };
|
|
struct B : A {};
|
|
struct C { int i; B bs[1]; } *c;
|
|
|
|
int gi;
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 false, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0], 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 false, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0], 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 true, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0], 2);
|
|
// CHECK: store i32 16
|
|
gi = __builtin_object_size(&c->bs[0], 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 false, i1 true, i1 false)
|
|
gi = __builtin_object_size((A*)&c->bs[0], 0);
|
|
// CHECK: store i32 16
|
|
gi = __builtin_object_size((A*)&c->bs[0], 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 true, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0].buf[0], 2);
|
|
// CHECK: store i32 16
|
|
gi = __builtin_object_size(&c->bs[0].buf[0], 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 false, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0].buf[0], 0);
|
|
// CHECK: store i32 16
|
|
gi = __builtin_object_size(&c->bs[0].buf[0], 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0(ptr %{{.*}}, i1 true, i1 true, i1 false)
|
|
gi = __builtin_object_size(&c->bs[0].buf[0], 2);
|
|
// CHECK: store i32 16
|
|
gi = __builtin_object_size(&c->bs[0].buf[0], 3);
|
|
}
|