| ; RUN: opt %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s |
| |
| define void @foo(float* %a, i64 %n) { |
| ; CHECK: vector.body: |
| ; CHECK: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* {{.*}}, align 4 |
| ; CHECK-NEXT: [[TMP4:%.*]] = fneg <4 x float> [[WIDE_LOAD]] |
| ; CHECK: store <4 x float> [[TMP4]], <4 x float>* {{.*}}, align 4 |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv |
| %0 = load float, float* %arrayidx, align 4 |
| %sub = fneg float %0 |
| store float %sub, float* %arrayidx, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %cmp = icmp eq i64 %indvars.iv.next, %n |
| br i1 %cmp, label %for.exit, label %for.body |
| |
| for.exit: |
| ret void |
| } |