[Polly] Fix test after D96534.

Author: Meinersbur

polly/test/Isl/CodeGen/scev-backedgetaken.ll

@@ -40,8 +40,8 @@ for.cond.cleanup.loopexit:
 
 
 ; CHECK-LABEL: @func(
-; CHECK:         polly.stmt.omp.inner.for.body.us.us.us.preheader5:
-; CHECK:         load i32, i32* %scevgep6, align 4, !alias.scope !0, !noalias !2
+; CHECK:         polly.stmt.omp.inner.for.body.us.us.us.preheader:
+; CHECK:         load i32, i32* %scevgep, align 4, !alias.scope !0, !noalias !2
 
 ; CHECK:       !0 = distinct !{!0, !1, !"polly.alias.scope.MemRef_d"}
 ; CHECK:       !1 = distinct !{!1, !"polly.alias.scope.domain"}