1*f4a2713aSLionel Sambuc // This verifies that structs returned from functions by value are passed 2*f4a2713aSLionel Sambuc // correctly according to their attributes and the ABI. 3*f4a2713aSLionel Sambuc // SEE: PR3835 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s 6*f4a2713aSLionel Sambuc 7*f4a2713aSLionel Sambuc typedef int T0; 8*f4a2713aSLionel Sambuc typedef struct { int a[16]; } T1; 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc T0 __attribute__((const)) f0(void); 11*f4a2713aSLionel Sambuc T0 __attribute__((pure)) f1(void); 12*f4a2713aSLionel Sambuc T1 __attribute__((const)) f2(void); 13*f4a2713aSLionel Sambuc T1 __attribute__((pure)) f3(void); 14*f4a2713aSLionel Sambuc void __attribute__((const)) f4(T1 a); 15*f4a2713aSLionel Sambuc void __attribute__((pure)) f5(T1 a); 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc void *ps[] = { f0, f1, f2, f3, f4, f5 }; 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc // CHECK: declare i32 @f0() [[RN:#[0-9]+]] 20*f4a2713aSLionel Sambuc // CHECK: declare i32 @f1() [[RO:#[0-9]+]] 21*f4a2713aSLionel Sambuc // CHECK: declare void @f2({{.*}} sret) 22*f4a2713aSLionel Sambuc // CHECK: declare void @f3({{.*}} sret) 23*f4a2713aSLionel Sambuc // CHECK: declare void @f4({{.*}} byval align 4) 24*f4a2713aSLionel Sambuc // CHECK: declare void @f5({{.*}} byval align 4) 25*f4a2713aSLionel Sambuc 26*f4a2713aSLionel Sambuc // CHECK: attributes [[RN]] = { nounwind readnone{{.*}} } 27*f4a2713aSLionel Sambuc // CHECK: attributes [[RO]] = { nounwind readonly{{.*}} } 28