| ; RUN: opt -S -loop-vectorize -scalable-vectorization=on -mattr=+sve -mtriple aarch64-linux-gnu < %s | FileCheck %s |
| |
| define void @invariant_load(i64 %n, i32* noalias nocapture %a, i32* nocapture readonly %b) { |
| ; CHECK-LABEL: @invariant_load |
| ; CHECK: vector.body: |
| ; CHECK: %[[GEP:.*]] = getelementptr inbounds i32, i32* %b, i64 42 |
| ; CHECK-NEXT: %[[INVLOAD:.*]] = load i32, i32* %[[GEP]] |
| ; CHECK-NEXT: %[[SPLATINS:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[INVLOAD]], i32 0 |
| ; CHECK-NEXT: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[SPLATINS]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer |
| ; CHECK: %[[LOAD:.*]] = load <vscale x 4 x i32>, <vscale x 4 x i32>* |
| ; CHECK-NEXT: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[SPLAT]], %[[LOAD]] |
| ; CHECK: store <vscale x 4 x i32> %[[ADD]], <vscale x 4 x i32>* |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body.lr.ph, %for.body |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %b, i64 42 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx1 = getelementptr inbounds i32, i32* %b, i64 %iv |
| %1 = load i32, i32* %arrayidx1, align 4 |
| %add = add nsw i32 %0, %1 |
| %arrayidx2 = getelementptr inbounds i32, i32* %a, i64 %iv |
| store i32 %add, i32* %arrayidx2, align 4 |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %exitcond.not = icmp eq i64 %iv.next, %n |
| br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !1 |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| !1 = distinct !{!1, !2, !3, !4} |
| !2 = !{!"llvm.loop.vectorize.width", i32 4} |
| !3 = !{!"llvm.loop.interleave.count", i32 1} |
| !4 = !{!"llvm.loop.vectorize.scalable.enable", i1 true} |