1 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 | FileCheck %s
3 define void @merge_store(i32* nocapture %a) {
4 ; CHECK-LABEL: merge_store:
11 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
12 %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
13 store i32 1, i32* %arrayidx, align 4
14 %0 = or i64 %indvars.iv, 1
15 %arrayidx2 = getelementptr inbounds i32* %a, i64 %0
16 store i32 1, i32* %arrayidx2, align 4
17 %1 = or i64 %indvars.iv, 2
18 %arrayidx5 = getelementptr inbounds i32* %a, i64 %1
19 store i32 1, i32* %arrayidx5, align 4
20 %2 = or i64 %indvars.iv, 3
21 %arrayidx8 = getelementptr inbounds i32* %a, i64 %2
22 store i32 1, i32* %arrayidx8, align 4
23 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 4
24 %3 = trunc i64 %indvars.iv.next to i32
25 %cmp = icmp slt i32 %3, 1000
26 br i1 %cmp, label %for.body, label %for.end