1 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 ; crc32 with 64-bit destination zeros high 32-bit.
6 define i64 @test() nounwind {
9 ; CHECK: tail call i64 @llvm.x86.sse42.crc32.64.64
12 %0 = tail call i64 @llvm.x86.sse42.crc32.64.64(i64 0, i64 4) nounwind
13 %1 = and i64 %0, 4294967295
17 declare i64 @llvm.x86.sse42.crc32.64.64(i64, i64) nounwind readnone