1; RUN: opt < %s -analyze -delinearize | FileCheck %s 2 3; void foo(long n, long m, long o, double A[n][m][o]) { 4; 5; for (long i = 0; i < n; i++) 6; for (long j = 0; j < m; j++) 7; for (long k = 0; k < o; k++) 8; A[i][j][k] = 1.0; 9; } 10 11; AddRec: {{{%A,+,(8 * %m * %o)}<%for.i>,+,(8 * %o)}<%for.j>,+,8}<%for.k> 12; CHECK: Base offset: %A 13; CHECK: ArrayDecl[UnknownSize][%m][%o] with elements of sizeof(double) bytes. 14; CHECK: ArrayRef[{0,+,1}<nuw><nsw><%for.i>][{0,+,1}<nuw><nsw><%for.j>][{0,+,1}<nuw><nsw><%for.k>] 15 16; AddRec: {{(-8 + (8 * %o) + %A),+,(8 * %m * %o)}<%for.i>,+,(8 * %o)}<%for.j> 17; CHECK: Base offset: %A 18; CHECK: ArrayDecl[UnknownSize][(%m * %o)] with elements of sizeof(double) bytes. 19; CHECK: ArrayRef[{0,+,1}<nuw><nsw><%for.i>][{(-1 + %o),+,%o}<%for.j>] 20 21; AddRec: {(-8 + (8 * %m * %o) + %A),+,(8 * %m * %o)}<%for.i> 22; CHECK: Base offset: %A 23; CHECK: ArrayDecl[UnknownSize] with elements of sizeof(double) bytes. 24; CHECK: ArrayRef[{(-1 + (%m * %o)),+,(%m * %o)}<%for.i>] 25 26define void @foo(i64 %n, i64 %m, i64 %o, double* %A) { 27entry: 28 br label %for.i 29 30for.i: 31 %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ] 32 br label %for.j 33 34for.j: 35 %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j.inc ] 36 br label %for.k 37 38for.k: 39 %k = phi i64 [ 0, %for.j ], [ %k.inc, %for.k.inc ] 40 %subscript0 = mul i64 %i, %m 41 %subscript1 = add i64 %j, %subscript0 42 %subscript2 = mul i64 %subscript1, %o 43 %subscript = add i64 %subscript2, %k 44 %idx = getelementptr inbounds double* %A, i64 %subscript 45 store double 1.0, double* %idx 46 br label %for.k.inc 47 48for.k.inc: 49 %k.inc = add nsw i64 %k, 1 50 %k.exitcond = icmp eq i64 %k.inc, %o 51 br i1 %k.exitcond, label %for.j.inc, label %for.k 52 53for.j.inc: 54 %j.inc = add nsw i64 %j, 1 55 %j.exitcond = icmp eq i64 %j.inc, %m 56 br i1 %j.exitcond, label %for.i.inc, label %for.j 57 58for.i.inc: 59 %i.inc = add nsw i64 %i, 1 60 %i.exitcond = icmp eq i64 %i.inc, %n 61 br i1 %i.exitcond, label %end, label %for.i 62 63end: 64 ret void 65} 66