[AArch64] Enable PostRAScheduler for AArch64 generic build.

Disable post-ra scheduler for perturbed tests to appease the bots and to
preserve the history of the tests.

http://reviews.llvm.org/D15652

llvm-svn: 256158
diff --git a/llvm/test/CodeGen/AArch64/arm64-large-frame.ll b/llvm/test/CodeGen/AArch64/arm64-large-frame.ll
index c4cce36..d1244e7 100644
--- a/llvm/test/CodeGen/AArch64/arm64-large-frame.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-large-frame.ll
@@ -1,4 +1,4 @@
-; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -disable-fp-elim -disable-post-ra < %s | FileCheck %s
 declare void @use_addr(i8*)
 
 @addr = global i8* null