clang/test/CodeGen/windows-struct-abi.c

   1 // RUN: %clang_cc1 -triple i686-windows-itanium -emit-llvm -o - %s | FileCheck %s
   2
   3 struct f1 {
   4   float f;
   5 };
   6
   7 struct f1 return_f1(void) { while (1); }
   8
   9 // CHECK: define dso_local i32 @return_f1()
  10
  11 void receive_f1(struct f1 a0) { }
  12
  13 // CHECK: define dso_local void @receive_f1(float %a0.0)
  14
  15 struct f2 {
  16   float f;
  17   float g;
  18 };
  19
  20 struct f2 return_f2(void) { while (1); }
  21
  22 // CHECK: define dso_local i64 @return_f2()
  23
  24 void receive_f2(struct f2 a0) { }
  25
  26 // CHECK: define dso_local void @receive_f2(float %a0.0, float %a0.1)
  27
  28 struct f4 {
  29   float f;
  30   float g;
  31   float h;
  32   float i;
  33 };
  34
  35 struct f4 return_f4(void) { while (1); }
  36
  37 // CHECK: define dso_local void @return_f4(ptr dead_on_unwind noalias writable sret(%struct.f4) align 4 %agg.result)
  38
  39 void receive_f4(struct f4 a0) { }
  40
  41 // CHECK: define dso_local void @receive_f4(float %a0.0, float %a0.1, float %a0.2, float %a0.3)
  42