29 lines · plain
1; REQUIRES: asserts2; RUN: opt < %s -passes='loop-vectorize' -force-target-supports-scalable-vectors=true -enable-epilogue-vectorization -epilogue-vectorization-force-VF=2 --debug-only=loop-vectorize --disable-output -S -scalable-vectorization=on 2>&1 | FileCheck %s3 4target datalayout = "e-m:e-i64:64-n32:64-v256:256:256-v512:512:512"5 6; Currently we cannot handle scalable vectorization factors.7; CHECK: LV: Checking a loop in 'f1'8; CHECK: LEV: Epilogue vectorization factor is forced.9; CHECK: Epilogue Loop VF:2, Epilogue Loop UF:110 11define void @f1(ptr %A) {12entry:13 br label %for.body14 15for.body:16 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]17 %arrayidx = getelementptr inbounds i8, ptr %A, i64 %iv18 store i8 1, ptr %arrayidx, align 119 %iv.next = add nuw nsw i64 %iv, 120 %exitcond = icmp ne i64 %iv.next, 102421 br i1 %exitcond, label %for.body, label %exit, !llvm.loop !022 23exit:24 ret void25}26 27!0 = !{!0, !1}28!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}29