1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
; RUN: opt %loadPolly -polly-precise-fold-accesses -polly-print-scops -disable-output < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
; void foo(long n, long m, long o, double A[n][m][o], long p, long q, long r) {
;
; for (long i = 0; i < n; i++)
; for (long j = 0; j < m; j++)
; for (long k = 0; k < o; k++)
; A[i+p][j+q][k+r] = 1.0;
; }
;
; Access function:
; {{{((8 * ((((%m * %p) + %q) * %o) + %r)) + %A),+,(8 * %m * %o)}<%for.i>,+,
; (8 * %o)}<%for.j>,+,8}<%for.k>
; CHECK: Assumed Context:
; CHECK-NEXT: [o, m, n, p, q, r] -> { : -m <= q <= 1 and ((-m < q <= 0 and -o < r < 0) or (r = 0 and q <= 0) or (r = -o and q > -m)) }
;
; CHECK: p0: %o
; CHECK-NEXT: p1: %m
; CHECK-NEXT: p2: %n
; CHECK-NEXT: p3: %p
; CHECK-NEXT: p4: %q
; CHECK-NEXT: p5: %r
; CHECK-NOT: p6
;
; CHECK: Statements {
; CHECK-NEXT: Stmt_for_k
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [o, m, n, p, q, r] -> { Stmt_for_k[i0, i1, i2] : 0 <= i0 < n and 0 <= i1 < m and 0 <= i2 < o };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [o, m, n, p, q, r] -> { Stmt_for_k[i0, i1, i2] -> [i0, i1, i2] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [o, m, n, p, q, r] -> { Stmt_for_k[i0, i1, i2] -> MemRef_A[-1 + p + i0, -1 + m + q + i1, o + r + i2] : i1 <= -q and i2 < -r; Stmt_for_k[i0, i1, i2] -> MemRef_A[p + i0, -1 + q + i1, o + r + i2] : i1 > -q and i2 < -r; Stmt_for_k[i0, i1, i2] -> MemRef_A[-1 + p + i0, m + q + i1, r + i2] : i1 < -q and i2 >= -r; Stmt_for_k[i0, i1, i2] -> MemRef_A[p + i0, q + i1, r + i2] : i1 >= -q and i2 >= -r };
; CHECK-NEXT: }
define void @foo(i64 %n, i64 %m, i64 %o, ptr %A, i64 %p, i64 %q, i64 %r) {
entry:
br label %for.i
for.i:
%i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
br label %for.j
for.j:
%j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j.inc ]
br label %for.k
for.k:
%k = phi i64 [ 0, %for.j ], [ %k.inc, %for.k.inc ]
%offset0 = add nsw i64 %i, %p
%subscript0 = mul i64 %offset0, %m
%offset1 = add nsw i64 %j, %q
%subscript1 = add i64 %offset1, %subscript0
%subscript2 = mul i64 %subscript1, %o
%offset2 = add nsw i64 %k, %r
%subscript = add i64 %subscript2, %offset2
%idx = getelementptr inbounds double, ptr %A, i64 %subscript
store double 1.0, ptr %idx
br label %for.k.inc
for.k.inc:
%k.inc = add nsw i64 %k, 1
%k.exitcond = icmp eq i64 %k.inc, %o
br i1 %k.exitcond, label %for.j.inc, label %for.k
for.j.inc:
%j.inc = add nsw i64 %j, 1
%j.exitcond = icmp eq i64 %j.inc, %m
br i1 %j.exitcond, label %for.i.inc, label %for.j
for.i.inc:
%i.inc = add nsw i64 %i, 1
%i.exitcond = icmp eq i64 %i.inc, %n
br i1 %i.exitcond, label %end, label %for.i
end:
ret void
}
|
