| ; RUN: opt < %s -memcpyopt -S | FileCheck %s | 
 |  | 
 | target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" | 
 |  | 
 | ; CHECK-LABEL: @foo( | 
 | ; CHECK-NOT: store | 
 | ; CHECK: call void @llvm.memset.p0i8.i64(i8* align 2 %2, i8 0, i64 8, i1 false) | 
 |  | 
 | define void @foo(i64* nocapture %P) { | 
 | entry: | 
 |   %0 = bitcast i64* %P to i16* | 
 |   %arrayidx = getelementptr inbounds i16, i16* %0, i64 1 | 
 |   %1 = bitcast i16* %arrayidx to i32* | 
 |   %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3 | 
 |   store i16 0, i16* %0, align 2 | 
 |   store i32 0, i32* %1, align 4 | 
 |   store i16 0, i16* %arrayidx1, align 2 | 
 |   ret void | 
 | } | 
 |  |