test/CodeGen/bitfield-promote.c

   1 // RUN: clang -O3 -emit-llvm -S -o %t %s &&
   2 // RUN: grep 'ret i64 4294967292' %t | count 2 &&
   3 // RUN: grep 'ret i64 -4' %t | count 1 &&
   4 // RUN: true
   5
   6 long long f0(void) {
   7  struct { unsigned f0 : 32; } x = { 18 };
   8  return (long long) (x.f0 - (int) 22);
   9 }
  10
  11 long long f1(void) {
  12  struct { unsigned f0 : 31; } x = { 18 };
  13  return (long long) (x.f0 - (int) 22);
  14 }
  15
  16 long long f2(void) {
  17  struct { unsigned f0     ; } x = { 18 };
  18  return (long long) (x.f0 - (int) 22);
  19 }