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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=loop-vectorize -S | FileCheck %s3 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"5 6; Test case based on reproducer for7; http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64778 9define void @test1(i32 %n) #0 {10; CHECK-LABEL: @test1(11; CHECK-NEXT: br i1 false, label [[DOTLR_PH_PREHEADER:%.*]], label [[DOT_CRIT_EDGE:%.*]]12; CHECK: .lr.ph.preheader:13; CHECK-NEXT: br label [[DOTLR_PH:%.*]]14; CHECK: .lr.ph:15; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]16; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 117; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[DOTLR_PH]], !llvm.loop !018; CHECK: ._crit_edge.loopexit:19; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]20; CHECK: ._crit_edge:21; CHECK-NEXT: ret void22;23 br i1 false, label %.lr.ph, label %._crit_edge24 25.lr.ph: ; preds = %.lr.ph, %026 %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]27 %indvars.iv.next = add i64 %indvars.iv, 128 br i1 true, label %._crit_edge, label %.lr.ph, !llvm.loop !029 30._crit_edge: ; preds = %.lr.ph, %031 ret void32}33 34!0 = distinct !{!0, !1}35!1 = !{!"llvm.loop.interleave.count", i32 2}36