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      1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
      2 
      3 struct s0 {
      4   int Start, End;
      5   unsigned Alignment;
      6   int TheStores __attribute__((aligned(16)));
      7 };
      8 
      9 // CHECK: define void @f0
     10 // CHECK: alloca %struct.s0, align 16
     11 extern "C" void f0() {
     12   (void) s0();
     13 }
     14 
     15 // CHECK: define void @f1
     16 // CHECK: alloca %struct.s0, align 16
     17 extern "C" void f1() {
     18   (void) (struct s0) { 0, 0, 0, 0 };
     19 }
     20 
     21 // CHECK: define i32 @f2
     22 // CHECK: alloca %struct.s1, align 2
     23 struct s1 { short x; short y; };
     24 extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
     25   if (a)
     26     return *x;
     27   return *y;
     28 }
     29