llvm-project/clang/test/CodeGen/SystemZ/s390x-packed-struct-func-arg.c

24 lines
428 B
C

// RUN: %clang_cc1 -triple s390x-linux-gnu -target-cpu z13 -emit-llvm -o - %s \
// RUN: | FileCheck %s
struct S0 {
long f1;
int f2 : 4;
} d;
#pragma pack(1)
struct S1 {
struct S0 S0_member;
};
void f(struct S0 arg) {
arg.f2 = 1;
}
void g() {
struct S1 g;
// CHECK: alloca %struct.S0, align 8
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 {{.*}}, i8* align 1 {{.*}}, i64 16
f(g.S0_member);
}