1; RUN: opt %loadPolly -basic-aa -polly-detect -analyze < %s | FileCheck %s
2;
3; Verify that we allow the lifetime markers for the tmp array.
4;
5; CHECK: Valid Region for Scop: for.cond => for.end13
6;
7;    int A[1024];
8;    void jd() {
9;      for (int i = 0; i < 1024; i++) {
10;        int tmp[1024];
11;        for (int j = i; j < 1024; j++)
12;          tmp[i] += A[j];
13;        A[i] = tmp[i];
14;      }
15;    }
16;
17; ModuleID = 'test/Isl/CodeGen/lifetime_intrinsics.ll'
18target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
19
20@A = common global [1024 x i32] zeroinitializer, align 16
21
22; Function Attrs: nounwind uwtable
23define void @jd() #0 {
24entry:
25  %tmp = alloca [1024 x i32], align 16
26  %tmp3 = bitcast [1024 x i32]* %tmp to i8*
27  br label %for.cond
28
29for.cond:                                         ; preds = %for.inc11, %entry
30  %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc11 ], [ 0, %entry ]
31  %exitcond5 = icmp ne i64 %indvars.iv3, 1024
32  br i1 %exitcond5, label %for.body, label %for.end13
33
34for.body:                                         ; preds = %for.cond
35  call void @llvm.lifetime.start(i64 4096, i8* %tmp3) #1
36  br label %for.cond2
37
38for.cond2:                                        ; preds = %for.inc, %for.body
39  %indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc ], [ %indvars.iv3, %for.body ]
40  %lftr.wideiv = trunc i64 %indvars.iv1 to i32
41  %exitcond = icmp ne i32 %lftr.wideiv, 1024
42  br i1 %exitcond, label %for.body4, label %for.end
43
44for.body4:                                        ; preds = %for.cond2
45  %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv1
46  %tmp6 = load i32, i32* %arrayidx, align 4
47  %arrayidx6 = getelementptr inbounds [1024 x i32], [1024 x i32]* %tmp, i64 0, i64 %indvars.iv3
48  %tmp7 = load i32, i32* %arrayidx6, align 4
49  %add = add nsw i32 %tmp7, %tmp6
50  store i32 %add, i32* %arrayidx6, align 4
51  br label %for.inc
52
53for.inc:                                          ; preds = %for.body4
54  %indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
55  br label %for.cond2
56
57for.end:                                          ; preds = %for.cond2
58  %arrayidx8 = getelementptr inbounds [1024 x i32], [1024 x i32]* %tmp, i64 0, i64 %indvars.iv3
59  %tmp8 = load i32, i32* %arrayidx8, align 4
60  %arrayidx10 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv3
61  store i32 %tmp8, i32* %arrayidx10, align 4
62  br label %for.inc11
63
64for.inc11:                                        ; preds = %for.end
65  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
66  call void @llvm.lifetime.end(i64 4096, i8* %tmp3) #1
67  br label %for.cond
68
69for.end13:                                        ; preds = %for.cond
70  ret void
71}
72
73; Function Attrs: nounwind
74declare void @llvm.lifetime.start(i64, i8* nocapture) #1
75
76; Function Attrs: nounwind
77declare void @llvm.lifetime.end(i64, i8* nocapture) #1
78
79attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
80attributes #1 = { nounwind }
81