1 ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=2 -S | FileCheck %s 2 3 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" 4 5 ; Make sure that we can handle multiple integer induction variables. 6 ; CHECK: multi_int_induction 7 ; CHECK: vector.body: 8 ; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] 9 ; CHECK: %normalized.idx = sub i64 %index, 0 10 ; CHECK: %[[VAR:.*]] = trunc i64 %normalized.idx to i32 11 ; CHECK: %offset.idx = add i32 190, %[[VAR]] 12 define void @multi_int_induction(i32* %A, i32 %N) { 13 for.body.lr.ph: 14 br label %for.body 15 16 for.body: 17 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] 18 %count.09 = phi i32 [ 190, %for.body.lr.ph ], [ %inc, %for.body ] 19 %arrayidx2 = getelementptr inbounds i32* %A, i64 %indvars.iv 20 store i32 %count.09, i32* %arrayidx2, align 4 21 %inc = add nsw i32 %count.09, 1 22 %indvars.iv.next = add i64 %indvars.iv, 1 23 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 24 %exitcond = icmp ne i32 %lftr.wideiv, %N 25 br i1 %exitcond, label %for.body, label %for.end 26 27 for.end: 28 ret void 29 } 30 31
