test/CodeGenCXX/powerpc-byval.cpp

// RUN: %clang_cc1 -emit-llvm %s -o - -triple=powerpc-unknown-linux | FileCheck %s

struct S {
  S();
  ~S();
};

void byval(S one, S two) {
  one = two;
}

// CHECK: define{{.*}} void @_Z5byval1SS_(ptr noundef %one, ptr noundef %two)