38 lines · plain
1; RUN: opt -S -passes=loop-vectorize -mattr=+sve -mtriple aarch64-linux-gnu \2; RUN: -prefer-predicate-over-epilogue=scalar-epilogue < %s | FileCheck %s3 4define void @invariant_load(i64 %n, ptr noalias nocapture %a, ptr nocapture readonly %b) {5; CHECK-LABEL: @invariant_load6; CHECK: %[[GEP:.*]] = getelementptr inbounds i32, ptr %b, i64 427; CHECK: vector.body:8; CHECK: %[[INVLOAD:.*]] = load i32, ptr %[[GEP]]9; CHECK-NEXT: %[[SPLATINS:.*]] = insertelement <vscale x 4 x i32> poison, i32 %[[INVLOAD]], i64 010; CHECK-NEXT: %[[SPLAT:.*]] = shufflevector <vscale x 4 x i32> %[[SPLATINS]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer11; CHECK: %[[LOAD:.*]] = load <vscale x 4 x i32>, ptr12; CHECK-NEXT: %[[ADD:.*]] = add nsw <vscale x 4 x i32> %[[SPLAT]], %[[LOAD]]13; CHECK: store <vscale x 4 x i32> %[[ADD]], ptr14entry:15 br label %for.body16 17for.body: ; preds = %for.body.lr.ph, %for.body18 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]19 %arrayidx = getelementptr inbounds i32, ptr %b, i64 4220 %0 = load i32, ptr %arrayidx, align 421 %arrayidx1 = getelementptr inbounds i32, ptr %b, i64 %iv22 %1 = load i32, ptr %arrayidx1, align 423 %add = add nsw i32 %0, %124 %arrayidx2 = getelementptr inbounds i32, ptr %a, i64 %iv25 store i32 %add, ptr %arrayidx2, align 426 %iv.next = add nuw nsw i64 %iv, 127 %exitcond.not = icmp eq i64 %iv.next, %n28 br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !129 30for.end: ; preds = %for.body31 ret void32}33 34!1 = distinct !{!1, !2, !3, !4}35!2 = !{!"llvm.loop.vectorize.width", i32 4}36!3 = !{!"llvm.loop.interleave.count", i32 1}37!4 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}38