| // RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -Ounchecked %s -emit-ir | %FileCheck %s | |
| // REQUIRES: CPU=x86_64 | |
| // rdar://30579970 | |
| // REQUIRES: optimized_stdlib | |
| // FIXME: https://bugs.swift.org/browse/SR-2808 | |
| // XFAIL: resilient_stdlib | |
| // We were missing target transform info and not vectorizing the loop below. | |
| // CHECK: xor <2 x i64> | |
| public func f(a: UnsafePointer<Int>, b: UnsafePointer<Int>, count: Int) -> Int { | |
| var c = 0 | |
| for i in 0..<count { | |
| c = a[i] ^ b[i] ^ c | |
| } | |
| return c | |
| } | |