1 ; RUN: opt -basicaa -da -analyze -da-delinearize < %s 2 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" 3 target triple = "x86_64-unknown-linux-gnu" 4 5 ; Derived from the following code: 6 ; 7 ; void foo(long n, long m, double *A) { 8 ; for (long i = 0; i < n; i++) 9 ; for (long j = 0; j < m; j++) 10 ; *(A + i * n + j) = 1.0; 11 ; *(A + j * m + i) = 2.0; 12 ; } 13 14 define void @foo(i64 %n, i64 %m, double* %A) { 15 entry: 16 br label %for.i 17 18 for.i: 19 %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ] 20 br label %for.j 21 22 for.j: 23 %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ] 24 %tmp = mul nsw i64 %i, %m 25 %vlaarrayidx.sum = add i64 %j, %tmp 26 %arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum 27 store double 1.0, double* %arrayidx 28 %tmp1 = mul nsw i64 %j, %n 29 %vlaarrayidx.sum1 = add i64 %i, %tmp1 30 %arrayidx1 = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum1 31 store double 1.0, double* %arrayidx1 32 %j.inc = add nsw i64 %j, 1 33 %j.exitcond = icmp eq i64 %j.inc, %m 34 br i1 %j.exitcond, label %for.i.inc, label %for.j 35 36 for.i.inc: 37 %i.inc = add nsw i64 %i, 1 38 %i.exitcond = icmp eq i64 %i.inc, %n 39 br i1 %i.exitcond, label %end, label %for.i 40 41 end: 42 ret void 43 } 44
