clang/test/CodeGen/X86/x86_64-arguments-win32.c

   1 // RUN: %clang_cc1 -w -triple x86_64-pc-win32 -emit-llvm -o - %s | FileCheck %s
   2
   3 // To be ABI compatible with code generated by MSVC, there shouldn't be any
   4 // sign/zero extensions on types smaller than 64bit.
   5
   6 // CHECK-LABEL: define dso_local void @f1(i8 noundef %a)
   7 void f1(char a) {}
   8
   9 // CHECK-LABEL: define dso_local void @f2(i8 noundef %a)
  10 void f2(unsigned char a) {}
  11
  12 // CHECK-LABEL: define dso_local void @f3(i16 noundef %a)
  13 void f3(short a) {}
  14
  15 // CHECK-LABEL: define dso_local void @f4(i16 noundef %a)
  16 void f4(unsigned short a) {}
  17
  18 // For ABI compatibility with ICC, _Complex should be passed/returned
  19 // as if it were a struct with two elements.
  20
  21 // CHECK-LABEL: define dso_local void @f5(i64 noundef %a.coerce)
  22 void f5(_Complex float a) {}
  23
  24 // CHECK-LABEL: define dso_local void @f6(ptr noundef %a)
  25 void f6(_Complex double a) {}
  26
  27 // CHECK-LABEL: define dso_local i64 @f7()
  28 _Complex float f7(void) { return 1.0; }
  29
  30 // CHECK-LABEL: define dso_local void @f8(ptr dead_on_unwind noalias writable sret({ double, double }) align 8 %agg.result)
  31 _Complex double f8(void) { return 1.0; }