Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopStrengthReduce/scev-insertpt-bug.ll

@@ -1,47 +0,0 @@
-; RUN: opt < %s -loop-reduce -S
-
-; Test that SCEV insertpoint's don't get corrupted and cause an
-; invalid instruction to be inserted in a block other than its parent.
-; See http://reviews.llvm.org/D20703 for context.
-define void @test() {
-entry:
-  %bf.load = load i32, i32* null, align 4
-  %bf.clear = lshr i32 %bf.load, 1
-  %div = and i32 %bf.clear, 134217727
-  %sub = add nsw i32 %div, -1
-  %0 = zext i32 %sub to i64
-  br label %while.cond
-
-while.cond:                                       ; preds = %cond.end, %entry
-  %indvars.iv = phi i64 [ %indvars.iv.next, %cond.end ], [ 0, %entry ]
-  %cmp = icmp eq i64 %indvars.iv, %0
-  br i1 %cmp, label %cleanup16, label %while.body
-
-while.body:                                       ; preds = %while.cond
-  %1 = trunc i64 %indvars.iv to i32
-  %mul = shl i32 %1, 1
-  %add = add nuw i32 %mul, 2
-  %cmp3 = icmp ult i32 %add, 0
-  br i1 %cmp3, label %if.end, label %if.then
-
-if.then:                                          ; preds = %while.body
-  unreachable
-
-if.end:                                           ; preds = %while.body
-  br i1 false, label %cond.end, label %cond.true
-
-cond.true:                                        ; preds = %if.end
-  br label %cond.end
-
-cond.end:                                         ; preds = %cond.true, %if.end
-  %add7 = add i32 %1, 1
-  %cmp12 = icmp ugt i32 %add7, %sub
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br i1 %cmp12, label %if.then13, label %while.cond
-
-if.then13:                                        ; preds = %cond.end
-  unreachable
-
-cleanup16:                                        ; preds = %while.cond
-  ret void
-}