Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Analysis/ValueTracking/select-pattern.ll

@@ -1,46 +0,0 @@
-; RUN: opt -simplifycfg < %s -S | FileCheck %s
-
-; The dead code would cause a select that had itself
-; as an operand to be analyzed. This would then cause
-; infinite recursion and eventual crash.
-
-define void @PR36045(i1 %t, i32* %b) {
-; CHECK-LABEL: @PR36045(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    ret void
-;
-entry:
-  br i1 %t, label %if, label %end
-
-if:
-  br i1 %t, label %unreach, label %pre
-
-unreach:
-  unreachable
-
-pre:
-  %p = phi i32 [ 70, %if ], [ %sel, %for ]
-  br label %for
-
-for:
-  %cmp = icmp sgt i32 %p, 8
-  %add = add i32 %p, 2
-  %sel = select i1 %cmp, i32 %p, i32 %add
-  %cmp21 = icmp ult i32 %sel, 21
-  br i1 %cmp21, label %pre, label %for.end
-
-for.end:
-  br i1 %t, label %unreach2, label %then12
-
-then12:
-  store i32 0, i32* %b
-  br label %unreach2
-
-unreach2:
-  %spec = phi i32 [ %sel, %for.end ], [ 42, %then12 ]
-  unreachable
-
-end:
-  ret void
-}
-