1; RUN: opt < %s -memcpyopt -S | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
4
5; CHECK-LABEL: @foo(
6; CHECK-NOT: store
7; CHECK: call void @llvm.memset.p0i8.i64(i8* align 2 %2, i8 0, i64 8, i1 false)
8
9define void @foo(i64* nocapture %P) {
10entry:
11  %0 = bitcast i64* %P to i16*
12  %arrayidx = getelementptr inbounds i16, i16* %0, i64 1
13  %1 = bitcast i16* %arrayidx to i32*
14  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3
15  store i16 0, i16* %0, align 2
16  store i32 0, i32* %1, align 4
17  store i16 0, i16* %arrayidx1, align 2
18  ret void
19}
20
21