blob: 5c32b46555f21929c7e4feb83ae686a02230cbc9 [file] [log] [blame]
Andrew Top61a84952019-04-30 15:07:33 -07001; RUN: opt %loadPolly -polly-scops -analyze -S < %s | FileCheck %s
2;
3; struct com {
4; double Real;
5; double Img;
6; };
7;
8; void foo(long n, struct com A[][n]) {
9; for (long i = 0; i < 100; i++)
10; for (long j = 0; j < 1000; j++)
11; A[i][j].Real += A[i][j].Img;
12; }
13;
14; int main() {
15; struct com A[100][1000];
16; foo(1000, A);
17; }
18
19; CHECK: Arrays {
20; CHECK-NEXT: double MemRef_A[*][(2 * %n)]; // Element size 8
21; CHECK-NEXT: }
22
23; CHECK: Stmt_for_body3
24; CHECK-NEXT: Domain :=
25; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] : 0 <= i0 <= 99 and 0 <= i1 <= 999 };
26; CHECK-NEXT: Schedule :=
27; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> [i0, i1] };
28; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
29; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 1 + 2i1] };
30; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
31; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 2i1] };
32; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
33; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 2i1] };
34
35source_filename = "/tmp/test.c"
36target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
37
38%struct.com = type { double, double }
39%struct.com2 = type { [20000000000 x double] }
40
41define void @foo(i64 %n, %struct.com* %A) {
42entry:
43 br label %for.cond
44
45for.cond: ; preds = %for.inc7, %entry
46 %i.0 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
47 %exitcond1 = icmp ne i64 %i.0, 100
48 br i1 %exitcond1, label %for.body, label %for.end9
49
50for.body: ; preds = %for.cond
51 br label %for.cond1
52
53for.cond1: ; preds = %for.inc, %for.body
54 %j.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ]
55 %exitcond = icmp ne i64 %j.0, 1000
56 br i1 %exitcond, label %for.body3, label %for.end
57
58for.body3: ; preds = %for.cond1
59 %tmp = mul nsw i64 %i.0, %n
60 %arrayidx = getelementptr inbounds %struct.com, %struct.com* %A, i64 %tmp
61 %arrayidx4 = getelementptr inbounds %struct.com, %struct.com* %arrayidx, i64 %j.0
62 %Img = getelementptr inbounds %struct.com, %struct.com* %arrayidx4, i64 0, i32 1
63 %tmp2 = load double, double* %Img, align 8
64 %tmp3 = mul nsw i64 %i.0, %n
65 %arrayidx5 = getelementptr inbounds %struct.com, %struct.com* %A, i64 %tmp3
66 %arrayidx6 = getelementptr inbounds %struct.com, %struct.com* %arrayidx5, i64 %j.0
67 %Real = getelementptr inbounds %struct.com, %struct.com* %arrayidx6, i64 0, i32 0
68 %tmp4 = load double, double* %Real, align 8
69 %add = fadd double %tmp4, %tmp2
70 store double %add, double* %Real, align 8
71 br label %for.inc
72
73for.inc: ; preds = %for.body3
74 %inc = add nuw nsw i64 %j.0, 1
75 br label %for.cond1
76
77for.end: ; preds = %for.cond1
78 br label %for.inc7
79
80for.inc7: ; preds = %for.end
81 %inc8 = add nuw nsw i64 %i.0, 1
82 br label %for.cond
83
84for.end9: ; preds = %for.cond
85 ret void
86}
87
88; CHECK: Arrays {
89; CHECK-NEXT: double MemRef_O[*][%n]; // Element size 8
90; CHECK-NEXT: }
91
92define void @foo_overflow(i64 %n, %struct.com2* nocapture %O) local_unnamed_addr #0 {
93entry:
94 br label %for.body
95
96for.cond.cleanup: ; preds = %for.cond.cleanup3
97 ret void
98
99for.body: ; preds = %for.cond.cleanup3, %entry
100 %i.024 = phi i64 [ 0, %entry ], [ %inc12, %for.cond.cleanup3 ]
101 %0 = mul nsw i64 %i.024, %n
102 %arrayidx = getelementptr inbounds %struct.com2, %struct.com2* %O, i64 %0
103 br label %for.body4
104
105for.cond.cleanup3: ; preds = %for.body4
106 %inc12 = add nuw nsw i64 %i.024, 1
107 %exitcond25 = icmp eq i64 %inc12, 100
108 br i1 %exitcond25, label %for.cond.cleanup, label %for.body
109
110for.body4: ; preds = %for.body4, %for.body
111 %j.023 = phi i64 [ 0, %for.body ], [ %inc, %for.body4 ]
112 %arrayidx5 = getelementptr inbounds %struct.com2, %struct.com2* %arrayidx, i64 %j.023
113 %Real = getelementptr inbounds %struct.com2, %struct.com2* %arrayidx5, i64 0, i32 0
114 %arrayidx6 = getelementptr inbounds [20000000000 x double], [20000000000 x double]* %Real, i64 0, i64 1
115 %1 = load double, double* %arrayidx6, align 8
116 %arrayidx10 = getelementptr inbounds [20000000000 x double], [20000000000 x double]* %Real, i64 0, i64 0
117 %2 = load double, double* %arrayidx10, align 8
118 %add = fadd double %1, %2
119 store double %add, double* %arrayidx10, align 8
120 %inc = add nuw nsw i64 %j.023, 1
121 %exitcond = icmp eq i64 %inc, 1000
122 br i1 %exitcond, label %for.cond.cleanup3, label %for.body4
123}