| ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=2 -S | FileCheck %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" |
| |
| ; Make sure that we can handle multiple integer induction variables. |
| ; CHECK: multi_int_induction |
| ; CHECK: vector.body: |
| ; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] |
| ; CHECK: %normalized.idx = sub i64 %index, 0 |
| ; CHECK: %[[VAR:.*]] = trunc i64 %normalized.idx to i32 |
| ; CHECK: %offset.idx = add i32 190, %[[VAR]] |
| define void @multi_int_induction(i32* %A, i32 %N) { |
| for.body.lr.ph: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] |
| %count.09 = phi i32 [ 190, %for.body.lr.ph ], [ %inc, %for.body ] |
| %arrayidx2 = getelementptr inbounds i32* %A, i64 %indvars.iv |
| store i32 %count.09, i32* %arrayidx2, align 4 |
| %inc = add nsw i32 %count.09, 1 |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp ne i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.end: |
| ret void |
| } |
| |