Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Analysis/ScalarEvolution/2008-07-29-SGTTripCount.ll

@@ -1,28 +0,0 @@
-; RUN: opt < %s -analyze -scalar-evolution \
-; RUN:   -scalar-evolution-max-iterations=0 | FileCheck %s
-; PR2607
-
-define i32 @_Z1aj(i32 %j) nounwind  {
-entry:
-	icmp sgt i32 0, %j		; <i1>:0 [#uses=1]
-	br i1 %0, label %bb.preheader, label %return
-
-bb.preheader:		; preds = %entry
-	br label %bb
-
-bb:		; preds = %bb, %bb.preheader
-	%i.01 = phi i32 [ %1, %bb ], [ 0, %bb.preheader ]		; <i32> [#uses=1]
-	add i32 %i.01, -1		; <i32>:1 [#uses=3]
-	icmp sgt i32 %1, %j		; <i1>:2 [#uses=1]
-	br i1 %2, label %bb, label %return.loopexit
-
-return.loopexit:		; preds = %bb
-	br label %return
-
-return:		; preds = %return.loopexit, %entry
-	%i.0.lcssa = phi i32 [ 0, %entry ], [ %1, %return.loopexit ]		; <i32> [#uses=1]
-	ret i32 %i.0.lcssa
-}
-
-; CHECK: backedge-taken count is (-1 + (-1 * %j))
-