[PATCH] Fix a bug in the Thumb1 ARM Load/Store optimizer which resulted in the base register reset instruction being incorrectly placed.

[Renato Golin]

Hi Morizt,

Apart from the comment, LGTM.

--renato

================
Comment at: lib/Target/ARM/ARMLoadStoreOptimizer.cpp:508
@@ -507,3 +507,3 @@
   // non-writeback. Check for this.
-  if (Opcode == ARM::tLDRi && isThumb1)
+  if (Opcode == ARM::tLDMIA && isThumb1)
     for (unsigned I = 0; I < NumRegs; ++I)
----------------
This change looks odd. Why is the previous case not relevant any more?

http://reviews.llvm.org/D4084