clang/test/CodeGen/2008-01-07-UnusualIntSize.c

   1 // FIXME: 32-bit target?
   2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -emit-llvm -o - | FileCheck %s
   3 // PR1721
   4
   5 struct s {
   6   unsigned long long u33: 33;
   7 } a, b;
   8
   9 // This should have %0 and %1 truncated to 33 bits before any operation.
  10 // This can be done using i33 or an explicit and.
  11 _Bool test(void) {
  12   // CHECK: and i64 %[[TMP1:[^,]+]], 8589934591
  13   // CHECK-NOT: and i64 [[TMP1]], 8589934591
  14   // CHECK: and i64 %{{[^,]+}}, 8589934591
  15   return a.u33 + b.u33 != 0;
  16 }