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      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 void @f1(i8 %a)
      7 void f1(char a) {}
      8 
      9 // CHECK-LABEL: define void @f2(i8 %a)
     10 void f2(unsigned char a) {}
     11 
     12 // CHECK-LABEL: define void @f3(i16 %a)
     13 void f3(short a) {}
     14 
     15 // CHECK-LABEL: define void @f4(i16 %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 void @f5(i64 %a.coerce)
     22 void f5(_Complex float a) {}
     23 
     24 // CHECK-LABEL: define void @f6({ double, double }* %a)
     25 void f6(_Complex double a) {}
     26 
     27 // CHECK-LABEL: define i64 @f7()
     28 _Complex float f7() { return 1.0; }
     29 
     30 // CHECK-LABEL: define void @f8({ double, double }* noalias sret %agg.result)
     31 _Complex double f8() { return 1.0; }
     32