Revert [SCEV] Make isLoopEntryGuardedByCond a bit smarter

Revert rL324453 commit which causes buildbot failures.

Differential Revision: https://reviews.llvm.org/D42835

llvm-svn: 324462

1 files changed, 0 insertions, 30 deletions

diff --git a/llvm/test/Transforms/IndVarSimplify/loop-invariant-conditions.ll b/llvm/test/Transforms/IndVarSimplify/loop-invariant-conditions.ll
index 30249828107..70cf714ba9f 100644
--- a/llvm/test/Transforms/IndVarSimplify/loop-invariant-conditions.ll
+++ b/llvm/test/Transforms/IndVarSimplify/loop-invariant-conditions.ll
@@ -325,36 +325,6 @@ exit:
   ret void
 }
 
-; check that we can figure out that iv.next > 1 from the facts that iv >= 0 and
-; iv.start != 0.
-define void @test11(i64* %inc_ptr) {
-; CHECK-LABEL: @test11
-entry:
-  %inc = load i64, i64* %inc_ptr, !range !0
-  %ne.cond = icmp ne i64 %inc, 0
-  br i1 %ne.cond, label %loop, label %exit
-
-loop:
-  %iv = phi i64 [ %inc, %entry ], [ %iv.next, %backedge ]
-  %iv.next = add i64 %iv, 1
-  %brcond = icmp sgt i64 %iv.next, 1
-  ; CHECK: br i1 true, label %if.true, label %if.false
-  br i1 %brcond, label %if.true, label %if.false
-
-if.true:
-  br label %backedge
-
-if.false:
-  br label %backedge
-
-backedge:
-  %loopcond = icmp slt i64 %iv, 200
-  br i1 %loopcond, label %loop, label %exit
-
-exit:
-  ret void
-}
-
 !1 = !{i64 -1, i64 100}