1 ; RUN: opt < %s -indvars -S | FileCheck %s 2 ; RUN: opt < %s -indvars -disable-iv-rewrite -S | FileCheck %s 3 ; CHECK-NOT: and 4 ; CHECK-NOT: zext 5 6 target datalayout = "-p:64:64:64-n:32:64" 7 8 define void @foo(double* %d, i64 %n) nounwind { 9 entry: 10 br label %loop 11 12 loop: 13 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %loop ] 14 %indvar.i8 = and i64 %indvar, 255 15 %t0 = getelementptr double* %d, i64 %indvar.i8 16 %t1 = load double* %t0 17 %t2 = fmul double %t1, 0.1 18 store double %t2, double* %t0 19 %indvar.i24 = and i64 %indvar, 16777215 20 %t3 = getelementptr double* %d, i64 %indvar.i24 21 %t4 = load double* %t3 22 %t5 = fmul double %t4, 2.3 23 store double %t5, double* %t3 24 %t6 = getelementptr double* %d, i64 %indvar 25 %t7 = load double* %t6 26 %t8 = fmul double %t7, 4.5 27 store double %t8, double* %t6 28 %indvar.next = add i64 %indvar, 1 29 %exitcond = icmp eq i64 %indvar.next, 10 30 br i1 %exitcond, label %return, label %loop 31 32 return: 33 ret void 34 } 35
