Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/test/Other/2002-03-11-ConstPropCrash.ll

@@ -1,24 +0,0 @@
-; When constant propogating terminator instructions, the basic block iterator
-; was not updated to refer to the final position of the new terminator.  This
-; can be bad, f.e. because constproping a terminator can lead to the 
-; destruction of PHI nodes, which invalidates the iterator!
-;
-; Fixed by adding new arguments to ConstantFoldTerminator
-;
-; RUN: opt < %s -constprop
-
-define void @build_tree(i32 %ml) {
-; <label>:0
-        br label %bb2
-
-bb2:            ; preds = %bb2, %0
-        %reg137 = phi i32 [ %reg140, %bb2 ], [ 12, %0 ]         ; <i32> [#uses=1]
-        %reg138 = phi i32 [ %reg139, %bb2 ], [ 0, %0 ]          ; <i32> [#uses=1]
-        %reg139 = add i32 %reg138, 1            ; <i32> [#uses=1]
-        %reg140 = add i32 %reg137, -1           ; <i32> [#uses=1]
-        br i1 false, label %bb2, label %bb3
-
-bb3:            ; preds = %bb2
-        ret void
-}
-