| ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -S | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| |
| ; CHECK-LABEL: @lshr_exact( |
| ; CHECK: lshr exact <4 x i32> |
| define void @lshr_exact(i32* %x) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %x, i64 %iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %conv1 = lshr exact i32 %0, 1 |
| store i32 %conv1, i32* %arrayidx, align 4 |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %exitcond = icmp eq i64 %iv.next, 256 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret void |
| } |
