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; RUN: opt -basicaa -da -analyze < %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"
target triple = "x86_64-unknown-linux-gnu"
; Derived from the following code:
;
; void foo(long n, long m, double *A) {
; for (long i = 0; i < n; i++)
; for (long j = 0; j < m; j++)
; *(A + i * n + j) = 1.0;
; *(A + j * m + i) = 2.0;
; }
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 ]
br label %for.j
for.j:
%j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
%tmp = mul nsw i64 %i, %m
%vlaarrayidx.sum = add i64 %j, %tmp
%arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum
store double 1.0, double* %arrayidx
%tmp1 = mul nsw i64 %j, %n
%vlaarrayidx.sum1 = add i64 %i, %tmp1
%arrayidx1 = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum1
store double 1.0, double* %arrayidx1
%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
}
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