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-# Example taken from http://www.cloog.org
-#
-
-r0:={[i,j]:i>=1 && j<=7 && j>=i-1};
-r1:={[i,j]:2<=i<=6 && 0<=j<=4};
-
-# CLooG optimized for size
-##
-## for (i=1;i<=8;i++) {
-## for (j=i-1;j<=7;j++) {
-## S0(i,j);
-## }
-## if ((i>=2)&&(i<=6)) {
-## for (j=0;j<=4;j++) {
-## S1(i,j);
-## }
-## }
-## }
-##
-## Since CLooG might not preserve the lexcicographical order other than
-## the default code generation strategy (custom -f or -l values). Its
-## generated code might not be correct should there exist reorder-preventing
-## dependence among statements.
-##
-
-# no overhead removal, minimal code size
-codegen 0 r0,r1;
-
-# remove one-deep loop nest (innermost loop) overhead
-codegen 1 r0,r1;
-
-# CLooG optimized for control
-##
-## for (t2=0;t2<=7;t2++) {
-## S0(1,t2);
-## }
-## for (t1=2;t1<=6;t1++) {
-## for (t2=0;t2<=t1-2;t2++) {
-## S1(t1,t2);
-## }
-## for (t2=t1-1;t2<=4;t2++) {
-## S0(t1,t2);
-## S1(t1,t2);
-## }
-## for (t2=5;t2<=7;t2++) {
-## S0(t1,t2);
-## }
-## }
-## for (t1=7;t1<=8;t1++) {
-## for (t2=t1-1;t2<=7;t2++) {
-## S0(t1,t2);
-## }
-## }
-##
-## This is CLooG's default code generation strategy. It guarantees
-## the lexicographical order as shown in input iteration spaces.
-##
-
-# minimal control overhead, removing overhead from 2-deep loop nest
-codegen 2 r0,r1;