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1// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s2 3unsigned t2(unsigned X) {4  // CHECK: t25  // CHECK: llvm.ctlz.i326  return __builtin_clz(X);7}8int t1(int X) {9  // CHECK: t110  // CHECK: llvm.ctlz.i3211  return __builtin_clz(X);12}13