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1; RUN: opt < %s -scalable-vectorization=on -force-target-supports-scalable-vectors=true -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=2 -S | FileCheck %s2 3define void @test1(ptr noalias nocapture %a, ptr noalias nocapture readonly %b) {4entry:5 br label %for.body6 7; CHECK-LABEL: @test18; CHECK: vector.body:9; CHECK: @llvm.experimental.noalias.scope.decl10; CHECK-NOT: @llvm.experimental.noalias.scope.decl11; CHECK: for.body:12; CHECK: @llvm.experimental.noalias.scope.decl13; CHECK-NOT: @llvm.experimental.noalias.scope.decl14; CHECK: ret void15 16for.body: ; preds = %for.body, %entry17 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]18 %arrayidx = getelementptr inbounds float, ptr %b, i64 %indvars.iv19 %0 = load float, ptr %arrayidx, align 420 %cmp1 = fcmp ogt float %0, 1.000000e+0221 tail call void @llvm.experimental.noalias.scope.decl(metadata !0)22 %add = fadd float %0, 1.000000e+0023 %arrayidx5 = getelementptr inbounds float, ptr %a, i64 %indvars.iv24 store float %add, ptr %arrayidx5, align 425 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 126 %exitcond = icmp eq i64 %indvars.iv, 159927 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !528 29for.end: ; preds = %for.body30 ret void31}32 33declare void @llvm.experimental.noalias.scope.decl(metadata)34 35%struct.data = type { ptr, ptr }36 37define void @test2(ptr %a, ptr %b) {38; CHECK-LABEL: @test239; CHECK: vector.body:40; CHECK: @llvm.experimental.noalias.scope.decl(metadata [[SCOPE0_LIST:!.*]])41; CHECK: @llvm.experimental.noalias.scope.decl(metadata [[SCOPE4_LIST:!.*]])42; CHECK-NOT: @llvm.experimental.noalias.scope.decl43; CHECK: for.body:44; CHECK: @llvm.experimental.noalias.scope.decl(metadata [[SCOPE0_LIST]])45; CHECK: @llvm.experimental.noalias.scope.decl(metadata [[SCOPE4_LIST]])46; CHECK-NOT: @llvm.experimental.noalias.scope.decl47; CHECK: ret void48entry:49 %ptrint = ptrtoint ptr %b to i6450 %maskcond = icmp eq i64 %ptrint, 051 %ptrint2 = ptrtoint ptr %a to i6452 %maskcond4 = icmp eq i64 %ptrint2, 053 br label %for.body54 55for.body: ; preds = %for.body, %entry56 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]57 tail call void @llvm.experimental.noalias.scope.decl(metadata !0)58 %arrayidx = getelementptr inbounds float, ptr %b, i64 %indvars.iv59 %0 = load float, ptr %arrayidx, align 460 %add = fadd float %0, 1.000000e+0061 tail call void @llvm.experimental.noalias.scope.decl(metadata !4)62 %arrayidx5 = getelementptr inbounds float, ptr %a, i64 %indvars.iv63 store float %add, ptr %arrayidx5, align 464 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 165 %exitcond = icmp eq i64 %indvars.iv, 159966 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !567 68for.end: ; preds = %for.body69 ret void70}71 72define void @predicated_noalias_scope_decl(ptr noalias nocapture readonly %a, ptr noalias nocapture %b, i64 %n) {73 74; Check that the vector.body still contains a llvm.experimental.noalias.scope.decl75 76; CHECK-LABEL: @predicated_noalias_scope_decl(77; CHECK: vector.body:78; CHECK: call void @llvm.experimental.noalias.scope.decl79; CHECK-NOT: @llvm.experimental.noalias.scope.decl80; CHECK: scalar.ph:81; CHECK-NOT: @llvm.experimental.noalias.scope.decl82; CHECK: if.else:83; CHECK: call void @llvm.experimental.noalias.scope.decl84; CHECK-NOT: @llvm.experimental.noalias.scope.decl85; CHECK: }86 87entry:88 br label %for.body89 90for.body: ; preds = %entry, %if.end591 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %if.end5 ]92 %cmp1 = icmp ult i64 %indvars.iv, 49561693 br i1 %cmp1, label %if.end5, label %if.else94 95if.else: ; preds = %for.body96 %cmp2 = icmp ult i64 %indvars.iv, 99123297 tail call void @llvm.experimental.noalias.scope.decl(metadata !0)98 br label %if.end599 100if.end5: ; preds = %for.body, %if.else101 %x.0 = phi float [ 4.200000e+01, %if.else ], [ 2.300000e+01, %for.body ]102 %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv103 %0 = load float, ptr %arrayidx, align 4104 %mul = fmul float %x.0, %0105 %arrayidx7 = getelementptr inbounds float, ptr %b, i64 %indvars.iv106 store float %mul, ptr %arrayidx7, align 4107 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1108 %cmp = icmp eq i64 %indvars.iv.next, %n109 br i1 %cmp, label %for.cond.cleanup, label %for.body, !llvm.loop !5110 111for.cond.cleanup: ; preds = %if.end5112 ret void113}114 115!0 = !{ !1 }116!1 = distinct !{ !1, !2 }117!2 = distinct !{ !2 }118!3 = distinct !{ !3, !2 }119!4 = !{ !3 }120!5 = distinct !{!5, !6}121!6 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}122 123; CHECK: [[SCOPE0_LIST]] = !{[[SCOPE0:!.*]]}124; CHECK: [[SCOPE0]] = distinct !{[[SCOPE0]], [[SCOPE0_DOM:!.*]]}125; CHECK: [[SCOPE0_DOM]] = distinct !{[[SCOPE0_DOM]]}126; CHECK: [[SCOPE4_LIST]] = !{[[SCOPE4:!.*]]}127; CHECK: [[SCOPE4]] = distinct !{[[SCOPE4]], [[SCOPE0_DOM]]}128