Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/IndVarSimplify/pr22222.ll

@@ -1,46 +0,0 @@
-; RUN: opt -indvars -S < %s | FileCheck %s
-
-@b = common global i32 0, align 4
-@c = common global i32 0, align 4
-@a = common global i32 0, align 4
-
-declare void @abort() #1
-
-; Function Attrs: nounwind ssp uwtable
-define i32 @main() {
-entry:
-  %a.promoted13 = load i32, i32* @a, align 4
-  br label %for.cond1.preheader
-
-for.cond1.preheader:                              ; preds = %entry, %for.end
-  %or.lcssa14 = phi i32 [ %a.promoted13, %entry ], [ %or.lcssa, %for.end ]
-  %d.010 = phi i32 [ 1, %entry ], [ 0, %for.end ]
-  br label %for.body3
-
-for.body3:                                        ; preds = %for.cond1.preheader, %for.body3
-  %inc12 = phi i32 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ]
-  %or11 = phi i32 [ %or.lcssa14, %for.cond1.preheader ], [ %or, %for.body3 ]
-; CHECK-NOT: sub nuw i32 %inc12, %d.010
-; CHECK: sub i32 %inc12, %d.010
-  %add = sub i32 %inc12, %d.010
-  %or = or i32 %or11, %add
-  %inc = add i32 %inc12, 1
-  br i1 false, label %for.body3, label %for.end
-
-for.end:                                          ; preds = %for.body3
-  %or.lcssa = phi i32 [ %or, %for.body3 ]
-  br i1 false, label %for.cond1.preheader, label %for.end6
-
-for.end6:                                         ; preds = %for.end
-  %or.lcssa.lcssa = phi i32 [ %or.lcssa, %for.end ]
-  store i32 %or.lcssa.lcssa, i32* @a, align 4
-  %cmp7 = icmp eq i32 %or.lcssa.lcssa, -1
-  br i1 %cmp7, label %if.end, label %if.then
-
-if.then:                                          ; preds = %for.end6
-  tail call void @abort() #2
-  unreachable
-
-if.end:                                           ; preds = %for.end6
-  ret i32 0
-}