// 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; } |