1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s
3; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
4
5target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
6
7define void @foo(i64* nocapture %P) {
8; CHECK-LABEL: @foo(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i64* [[P:%.*]] to i16*
11; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[TMP0]], i64 1
12; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i16* [[ARRAYIDX]] to i32*
13; CHECK-NEXT:    [[ARRAYIDX1:%.*]] = getelementptr inbounds i16, i16* [[TMP0]], i64 3
14; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i16* [[TMP0]] to i8*
15; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* align 2 [[TMP2]], i8 0, i64 8, i1 false)
16; CHECK-NEXT:    ret void
17;
18entry:
19  %0 = bitcast i64* %P to i16*
20  %arrayidx = getelementptr inbounds i16, i16* %0, i64 1
21  %1 = bitcast i16* %arrayidx to i32*
22  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3
23  store i16 0, i16* %0, align 2
24  store i32 0, i32* %1, align 4
25  store i16 0, i16* %arrayidx1, align 2
26  ret void
27}
28
29