File: 2007-08-22-CTTZ.c

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llvm-toolchain-3.9 1%3A3.9.1-8
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// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s

int bork(unsigned long long x) {
  // CHECK: llvm.cttz.i64
  // CHECK: llvm.cttz.i64
  // CHECK-NOT: lshr
  return __builtin_ctzll(x);
}