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// RUN: %clang_cc1 -w -triple x86_64-pc-win32 -emit-llvm -o - %s | FileCheck %s
// To be ABI compatible with code generated by MSVC, there shouldn't be any
// sign/zero extensions on types smaller than 64bit.
// CHECK-LABEL: define void @f1(i8 %a)
void f1(char a) {}
// CHECK-LABEL: define void @f2(i8 %a)
void f2(unsigned char a) {}
// CHECK-LABEL: define void @f3(i16 %a)
void f3(short a) {}
// CHECK-LABEL: define void @f4(i16 %a)
void f4(unsigned short a) {}
// For ABI compatibility with ICC, _Complex should be passed/returned
// as if it were a struct with two elements.
// CHECK-LABEL: define void @f5(i64 %a.coerce)
void f5(_Complex float a) {}
// CHECK-LABEL: define void @f6({ double, double }* %a)
void f6(_Complex double a) {}
// CHECK-LABEL: define i64 @f7()
_Complex float f7() { return 1.0; }
// CHECK-LABEL: define void @f8({ double, double }* noalias sret %agg.result)
_Complex double f8() { return 1.0; }
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