Revert r146997, "Heed spill slot alignment on ARM."

This patch caused a miscompilation of oggenc because a frame pointer was
suddenly needed halfway through register allocation.

<rdar://problem/10625436>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147487 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/fast-isel-deadcode.ll b/test/CodeGen/ARM/fast-isel-deadcode.ll
index 7e147c7..1d77975 100644
--- a/test/CodeGen/ARM/fast-isel-deadcode.ll
+++ b/test/CodeGen/ARM/fast-isel-deadcode.ll
@@ -15,7 +15,8 @@
 ; THUMB-NOT: sxtb
 ; THUMB: movs r0, #0
 ; THUMB: movt r0, #0
-; THUMB: pop
+; THUMB: add sp, #32
+; THUMb: pop {r7, pc}
   ret i32 0
 }
 
diff --git a/test/CodeGen/Thumb2/aligned-spill.ll b/test/CodeGen/Thumb2/aligned-spill.ll
index 948c8ce..7340032 100644
--- a/test/CodeGen/Thumb2/aligned-spill.ll
+++ b/test/CodeGen/Thumb2/aligned-spill.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mcpu=cortex-a8 | FileCheck %s
+; DONT: llc < %s -mcpu=cortex-a8 | FileCheck %s
 ; RUN: llc < %s -mcpu=cortex-a8 -align-neon-spills | FileCheck %s --check-prefix=NEON
 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
 target triple = "thumbv7-apple-ios"