llvm-project/clang/test/CodeGenCXX/forward-enum.cpp

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C++

// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11.0.0 -emit-llvm -o - %s | FileCheck %s
enum MyEnum : char;
void bar(MyEnum value) { }
// CHECK-LABEL: define{{.*}} void @_Z3foo6MyEnum
void foo(MyEnum value)
{
// CHECK: call void @_Z3bar6MyEnum(i8 noundef signext
bar(value);
}