; RUN: opt < %s -passes='print<delinearization>' -disable-output 2>&1 | FileCheck %s ; Derived from the following code: ; ; void foo(long n, long m, double A[n][m]) { ; for (long i = 0; i < n; i++) ; for (long j = 0; j < m; j++) ; A[i][j] = 1.0; ; } ; Inst: %val = load double, double* %arrayidx ; In Loop with Header: for.j ; AddRec: {{0,+,(%m * 8)}<%for.i>,+,8}<%for.j> ; Base offset: %A ; ArrayDecl[UnknownSize][%m] with elements of 8 bytes. ; ArrayRef[{0,+,1}<nuw><nsw><%for.i>][{0,+,1}<nuw><nsw><%for.j>] ; Inst: store double %val, double* %arrayidx ; In Loop with Header: for.j ; AddRec: {{%A,+,(8 * %m)}<%for.i>,+,8}<%for.j> ; CHECK: Base offset: %A ; CHECK: ArrayDecl[UnknownSize][%m] with elements of 8 bytes. ; CHECK: ArrayRef[{0,+,1}<nuw><nsw><%for.i>][{0,+,1}<nuw><nsw><%for.j>] define void @foo(i64 %n, i64 %m, double* %A) { entry: br label %for.i for.i: %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ] %tmp = mul nsw i64 %i, %m br label %for.j for.j: %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ] %vlaarrayidx.sum = add i64 %j, %tmp %arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum %val = load double, double* %arrayidx store double %val, double* %arrayidx %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 }