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 7typedef int T0; 8typedef struct { int a[16]; } T1; 9 10T0 __attribute__((const)) f0(void); 11T0 __attribute__((pure)) f1(void); 12T1 __attribute__((const)) f2(void); 13T1 __attribute__((pure)) f3(void); 14void __attribute__((const)) f4(T1 a); 15void __attribute__((pure)) f5(T1 a); 16 17void *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