clang/test/CodeGen/arm_function_epilog.cpp

   1 // REQUIRES: arm-registered-target
   2 // RUN: %clang_cc1 -triple armv7-none-linux-androideabi -target-abi aapcs-linux -mfloat-abi hard -x c++ -emit-llvm %s -o - | FileCheck %s
   3
   4 struct Vec2 {
   5     union { struct { float x, y; };
   6             float data[2];
   7     };
   8 };
   9
  10 // CHECK: define{{.*}} arm_aapcs_vfpcc %struct.Vec2 @_Z7getVec2v()
  11 // CHECK: ret %struct.Vec2
  12 Vec2 getVec2() {
  13     Vec2 out;
  14     union { Vec2* v; unsigned char* u; } x;
  15     x.v = &out;
  16     return out;
  17 }