Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopVectorize/pr32859.ll

@@ -1,30 +0,0 @@
-; RUN: opt < %s -loop-vectorize -S | FileCheck %s
-
-; Out of the LCSSA form we could have 'phi i32 [ loop-invariant, %for.inc.2.i ]'
-; but the IR Verifier requires for PHI one entry for each predecessor of
-; it's parent basic block. The original PR14725 solution for the issue just
-; added 'undef' for an predecessor BB and which is not correct. We copy the real
-; value for another predecessor instead of bringing 'undef'.
-
-; CHECK-LABEL: for.cond.preheader:
-; CHECK: %e.0.ph = phi i32 [ 0, %if.end.2.i ], [ 0, %middle.block ]
-
-; Function Attrs: nounwind uwtable
-define void @main() #0 {
-entry:
-  br label %for.cond1.preheader.i
-
-for.cond1.preheader.i:                            ; preds = %if.end.2.i, %entry
-  %c.06.i = phi i32 [ 0, %entry ], [ %inc5.i, %if.end.2.i ]
-  %tobool.i = icmp ne i32 undef, 0
-  br label %if.end.2.i
-
-if.end.2.i:                                       ; preds = %for.cond1.preheader.i
-  %inc5.i = add nsw i32 %c.06.i, 1
-  %cmp.i = icmp slt i32 %inc5.i, 16
-  br i1 %cmp.i, label %for.cond1.preheader.i, label %for.cond.preheader
-
-for.cond.preheader:                               ; preds = %if.end.2.i
-  %e.0.ph = phi i32 [ 0, %if.end.2.i ]
-  unreachable
-}