llvm-project
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1; RUN: opt %loadNPMPolly -aa-pipeline=basic-aa '-passes=print<polly-detect>' -disable-output < %s 2>&1 | 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
26br label %for.cond
27
28for.cond: ; preds = %for.inc11, %entry
29%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc11 ], [ 0, %entry ]
30%exitcond5 = icmp ne i64 %indvars.iv3, 1024
31br i1 %exitcond5, label %for.body, label %for.end13
32
33for.body: ; preds = %for.cond
34call void @llvm.lifetime.start(i64 4096, ptr %tmp) #1
35br label %for.cond2
36
37for.cond2: ; preds = %for.inc, %for.body
38%indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc ], [ %indvars.iv3, %for.body ]
39%lftr.wideiv = trunc i64 %indvars.iv1 to i32
40%exitcond = icmp ne i32 %lftr.wideiv, 1024
41br i1 %exitcond, label %for.body4, label %for.end
42
43for.body4: ; preds = %for.cond2
44%arrayidx = getelementptr inbounds [1024 x i32], ptr @A, i64 0, i64 %indvars.iv1
45%tmp6 = load i32, ptr %arrayidx, align 4
46%arrayidx6 = getelementptr inbounds [1024 x i32], ptr %tmp, i64 0, i64 %indvars.iv3
47%tmp7 = load i32, ptr %arrayidx6, align 4
48%add = add nsw i32 %tmp7, %tmp6
49store i32 %add, ptr %arrayidx6, align 4
50br label %for.inc
51
52for.inc: ; preds = %for.body4
53%indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
54br label %for.cond2
55
56for.end: ; preds = %for.cond2
57%arrayidx8 = getelementptr inbounds [1024 x i32], ptr %tmp, i64 0, i64 %indvars.iv3
58%tmp8 = load i32, ptr %arrayidx8, align 4
59%arrayidx10 = getelementptr inbounds [1024 x i32], ptr @A, i64 0, i64 %indvars.iv3
60store i32 %tmp8, ptr %arrayidx10, align 4
61br label %for.inc11
62
63for.inc11: ; preds = %for.end
64%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
65call void @llvm.lifetime.end(i64 4096, ptr %tmp) #1
66br label %for.cond
67
68for.end13: ; preds = %for.cond
69ret void
70}
71
72; Function Attrs: nounwind
73declare void @llvm.lifetime.start(i64, ptr nocapture) #1
74
75; Function Attrs: nounwind
76declare void @llvm.lifetime.end(i64, ptr nocapture) #1
77
78attributes #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" }
79attributes #1 = { nounwind }
80