1; RUN: opt %loadPolly -basic-aa -polly-detect -analyze < %s | FileCheck %s
2;
3; Verify that we allow the misc intrinsics.
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]* @A 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  %lis = call {}* @llvm.invariant.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  call void @llvm.assume(i1 %exitcond)
46  call i1 @llvm.expect.i1(i1 %exitcond, i1 1)
47  %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv1
48  %tmp6 = load i32, i32* %arrayidx, align 4
49  %arrayidx6 = getelementptr inbounds [1024 x i32], [1024 x i32]* %tmp, i64 0, i64 %indvars.iv3
50  call void @llvm.donothing()
51  %tmp7 = load i32, i32* %arrayidx6, align 4
52  %add = add nsw i32 %tmp7, %tmp6
53  store i32 %add, i32* %arrayidx6, align 4
54  br label %for.inc
55
56for.inc:                                          ; preds = %for.body4
57  %indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
58  br label %for.cond2
59
60for.end:                                          ; preds = %for.cond2
61  %arrayidx8 = getelementptr inbounds [1024 x i32], [1024 x i32]* %tmp, i64 0, i64 %indvars.iv3
62  %tmp8 = load i32, i32* %arrayidx8, align 4
63  %arrayidx10 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv3
64  call void @llvm.invariant.end({}* %lis, i64 4096, i8* %tmp3) #1
65  store i32 %tmp8, i32* %arrayidx10, align 4
66  br label %for.inc11
67
68for.inc11:                                        ; preds = %for.end
69  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
70  br label %for.cond
71
72for.end13:                                        ; preds = %for.cond
73  ret void
74}
75
76; Function Attrs: nounwind
77declare void @llvm.donothing() #1
78
79; Function Attrs: nounwind
80declare void @llvm.assume(i1) #1
81
82; Function Attrs: nounwind
83declare i1 @llvm.expect.i1(i1, i1) #1
84
85; Function Attrs: nounwind
86declare {}* @llvm.invariant.start(i64, i8* nocapture) #1
87
88; Function Attrs: nounwind
89declare void @llvm.invariant.end({}*, i64, i8* nocapture) #1
90
91attributes #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" }
92attributes #1 = { nounwind }
93