1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3; crc32 with 64-bit destination zeros high 32-bit. 4; rdar://9467055 5 6define i64 @test() nounwind { 7entry: 8; CHECK: test 9; CHECK: tail call i64 @llvm.x86.sse42.crc32.64.64 10; CHECK-NOT: and 11; CHECK: ret 12 %0 = tail call i64 @llvm.x86.sse42.crc32.64.64(i64 0, i64 4) nounwind 13 %1 = and i64 %0, 4294967295 14 ret i64 %1 15} 16 17declare i64 @llvm.x86.sse42.crc32.64.64(i64, i64) nounwind readnone 18