24 lines
638 B
C
24 lines
638 B
C
|
// RUN: %clang_cc1 -triple i386-unknown-unknown %s -O3 -emit-llvm -o - | FileCheck -check-prefix=CHECK-C %s
|
||
|
|
// RUN: %clang_cc1 -triple i386-unknown-unknown -x c++ %s -O3 -emit-llvm -o - | FileCheck -check-prefix=CHECK-CXX %s
|
||
|
|
// CHECK-C: ret i32 6
|
||
|
|
// CHECK-CXX: ret i32 7
|
||
|
|
|
||
|
|
// This test case illustrates a peculiarity of the promotion of
|
||
|
|
// enumeration types in C and C++. In particular, the enumeration type
|
||
|
|
// "z" below promotes to an unsigned int in C but int in C++.
|
||
|
|
static enum { foo, bar = 1U } z;
|
||
|
|
|
||
|
|
int main (void)
|
||
|
|
{
|
||
|
|
int r = 0;
|
||
|
|
|
||
|
|
if (bar - 2 < 0)
|
||
|
|
r += 4;
|
||
|
|
if (foo - 1 < 0)
|
||
|
|
r += 2;
|
||
|
|
if (z - 1 < 0)
|
||
|
|
r++;
|
||
|
|
|
||
|
|
return r;
|
||
|
|
}
|