1; RUN: opt -S -inline < %s | FileCheck %s
2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3target triple = "x86_64-unknown-linux-gnu"
4
5; Function Attrs: norecurse nounwind uwtable
6define void @Body(i32* nocapture %res, i32* nocapture readnone %c, i32* nocapture readonly %d, i32* nocapture readonly %p, i32 %i) #0 {
7entry:
8  %idxprom = sext i32 %i to i64
9  %arrayidx = getelementptr inbounds i32, i32* %p, i64 %idxprom
10  %0 = load i32, i32* %arrayidx, align 4
11  %cmp = icmp eq i32 %0, 0
12  %arrayidx2 = getelementptr inbounds i32, i32* %res, i64 %idxprom
13  %1 = load i32, i32* %arrayidx2, align 4
14  br i1 %cmp, label %cond.end, label %cond.false
15
16cond.false:                                       ; preds = %entry
17  %arrayidx6 = getelementptr inbounds i32, i32* %d, i64 %idxprom
18  %2 = load i32, i32* %arrayidx6, align 4
19  %add = add nsw i32 %2, %1
20  br label %cond.end
21
22cond.end:                                         ; preds = %entry, %cond.false
23  %cond = phi i32 [ %add, %cond.false ], [ %1, %entry ]
24  store i32 %cond, i32* %arrayidx2, align 4
25  ret void
26}
27
28; Function Attrs: nounwind uwtable
29define void @Test(i32* %res, i32* %c, i32* %d, i32* %p, i32 %n) #1 {
30entry:
31  br label %for.cond
32
33for.cond:                                         ; preds = %for.body, %entry
34  %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
35  %cmp = icmp slt i32 %i.0, 1600
36  br i1 %cmp, label %for.body, label %for.end
37
38for.body:                                         ; preds = %for.cond
39  call void @Body(i32* %res, i32* undef, i32* %d, i32* %p, i32 %i.0), !llvm.mem.parallel_loop_access !0
40  %inc = add nsw i32 %i.0, 1
41  br label %for.cond, !llvm.loop !0
42
43for.end:                                          ; preds = %for.cond
44  ret void
45}
46
47; CHECK-LABEL: @Test
48; CHECK: load i32,{{.*}}, !llvm.mem.parallel_loop_access !0
49; CHECK: load i32,{{.*}}, !llvm.mem.parallel_loop_access !0
50; CHECK: load i32,{{.*}}, !llvm.mem.parallel_loop_access !0
51; CHECK: store i32{{.*}}, !llvm.mem.parallel_loop_access !0
52; CHECK: br label %for.cond, !llvm.loop !0
53
54attributes #0 = { norecurse nounwind uwtable }
55
56!0 = distinct !{!0}
57
58