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      1 // This verifies that structs returned from functions by value are passed
      2 // correctly according to their attributes and the ABI.
      3 // SEE: PR3835
      4 
      5 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
      6 
      7 typedef int T0;
      8 typedef struct { int a[16]; } T1;
      9 
     10 T0 __attribute__((const)) f0(void);
     11 T0 __attribute__((pure)) f1(void);
     12 T1 __attribute__((const)) f2(void);
     13 T1 __attribute__((pure)) f3(void);
     14 void __attribute__((const)) f4(T1 a);
     15 void __attribute__((pure)) f5(T1 a);
     16 
     17 void *ps[] = { f0, f1, f2, f3, f4, f5 };
     18 
     19 // CHECK: declare i32 @f0() nounwind readnone
     20 // CHECK: declare i32 @f1() nounwind readonly
     21 // CHECK: declare void @f2({{.*}} sret)
     22 // CHECK: declare void @f3({{.*}} sret)
     23 // CHECK: declare void @f4({{.*}} byval align 4)
     24 // CHECK: declare void @f5({{.*}} byval align 4)
     25