clang/test/CodeGenCXX/call-with-static-chain.cpp

   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 @f1(ptr nest noundef @f1
  25   // CHECK64: call i32 @f1(ptr nest noundef @f1
  26   __builtin_call_with_static_chain(f1(a, a, a, a), f1);
  27
  28   // CHECK32: call void @f2(ptr dead_on_unwind writable sret(%struct.B) align 4 %{{[0-9a-z]+}}, ptr nest noundef @f2)
  29   // CHECK64: call void @f2(ptr dead_on_unwind writable sret(%struct.B) align 8 %{{[0-9a-z]+}}, ptr nest noundef @f2)
  30   __builtin_call_with_static_chain(f2(), f2);
  31
  32   // CHECK32: call i64 @f3(ptr nest noundef @f3)
  33   // CHECK64: call <2 x float> @f3(ptr nest noundef @f3)
  34   __builtin_call_with_static_chain(f3(), f3);
  35
  36   // CHECK32: call nonnull align 4 dereferenceable(8) ptr @f4(ptr nest noundef @f4)
  37   // CHECK64: call nonnull align 8 dereferenceable(16) ptr @f4(ptr nest noundef @f4)
  38   __builtin_call_with_static_chain(f4(), f4);
  39 }