1; RUN: opt -S -basicaa -licm < %s | FileCheck %s
2
3target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
4target triple = "i686-pc-windows-msvc18.0.0"
5
6; Make sure the store to v is not sunk past the memset
7; CHECK-LABEL: @main
8; CHECK: for.body:
9; CHECK-NEXT: store i8 1, i8* %p
10; CHECK-NEXT: store i8 2, i8* %p1
11; CHECK-NEXT: call void @llvm.memset
12; CHECK: end:
13; CHECK-NEXT: ret i32 0
14
15define i32 @main(i1 %k, i8* %p) {
16entry:
17  %p1 = getelementptr i8, i8* %p, i32 1
18  br label %for.body
19
20for.body:
21  store i8 1, i8* %p, align 1
22  store i8 2, i8* %p1, align 1
23  call void @llvm.memset.p0i8.i32(i8* %p, i8 255, i32 4, i32 1, i1 false)
24  br label %for.latch
25
26for.latch:
27  br i1 %k, label %for.body, label %end
28
29end:
30  ret i32 0
31}
32
33declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1)
34