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      1 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck -check-prefix=CHECK32 %s
      2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck -check-prefix=CHECK64 %s
      3 
      4 struct A {
      5   long x, y;
      6 };
      7 
      8 struct B {
      9   long x, y, z, w;
     10 };
     11 
     12 extern "C" {
     13 
     14 int f1(A, A, A, A);
     15 B f2(void);
     16 _Complex float f3(void);
     17 A &f4();
     18 
     19 }
     20 
     21 void test() {
     22   A a;
     23 
     24   // CHECK32: call i32 bitcast (i32 (i32, i32, i32, i32, i32, i32, i32, i32)* @f1 to i32 (i8*, i32, i32, i32, i32, i32, i32, i32, i32)*)(i8* nest bitcast (i32 (i32, i32, i32, i32, i32, i32, i32, i32)* @f1 to i8*)
     25   // CHECK64: call i32 bitcast (i32 (i64, i64, i64, i64, i64, i64, %struct.A*)* @f1 to i32 (i8*, i64, i64, i64, i64, i64, i64, %struct.A*)*)(i8* nest bitcast (i32 (i64, i64, i64, i64, i64, i64, %struct.A*)* @f1 to i8*)
     26   __builtin_call_with_static_chain(f1(a, a, a, a), f1);
     27 
     28   // CHECK32: call void bitcast (void (%struct.B*)* @f2 to void (%struct.B*, i8*)*)(%struct.B* sret %{{[0-9a-z]+}}, i8* nest bitcast (void (%struct.B*)* @f2 to i8*))
     29   // CHECK64: call void bitcast (void (%struct.B*)* @f2 to void (%struct.B*, i8*)*)(%struct.B* sret %{{[0-9a-z]+}}, i8* nest bitcast (void (%struct.B*)* @f2 to i8*))
     30   __builtin_call_with_static_chain(f2(), f2);
     31 
     32   // CHECK32: call i64 bitcast (i64 ()* @f3 to i64 (i8*)*)(i8* nest bitcast (i64 ()* @f3 to i8*))
     33   // CHECK64: call <2 x float> bitcast (<2 x float> ()* @f3 to <2 x float> (i8*)*)(i8* nest bitcast (<2 x float> ()* @f3 to i8*))
     34   __builtin_call_with_static_chain(f3(), f3);
     35 
     36   // CHECK32: call dereferenceable(8) %struct.A* bitcast (%struct.A* ()* @f4 to %struct.A* (i8*)*)(i8* nest bitcast (%struct.A* ()* @f4 to i8*))
     37   // CHECK64: call dereferenceable(16) %struct.A* bitcast (%struct.A* ()* @f4 to %struct.A* (i8*)*)(i8* nest bitcast (%struct.A* ()* @f4 to i8*))
     38   __builtin_call_with_static_chain(f4(), f4);
     39 }
     40