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1; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S %s | FileCheck %s2 3; Avoid crashing while trying to vectorize fcmp that can be folded to vector of4; i1 true.5define void @test1() {6; CHECK-LABEL: test1(7; CHECK-LABEL: vector.body:8; CHECK-NEXT:    %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]9; CHECK:         %index.next = add nuw i32 %index, 410 11entry:12  br label %loop13 14loop:                                              ; preds = %loop, %entry15  %iv = phi i32 [ 0, %entry ], [ %ivnext, %loop ]16  %fcmp = fcmp uno float 0.000000e+00, 0.000000e+0017  %ivnext = add nsw i32 %iv, 118  %cnd = icmp sgt i32 %iv, 14219  br i1 %cnd, label %exit, label %loop20 21exit:                                              ; preds = %loop22  ret void23}24