[llvm-commits] [llvm] r84842 - /llvm/trunk/lib/Target/ARM/ARMLoadStoreOptimizer.cpp

[Evan Cheng]

Author: evancheng
Date: Thu Oct 22 01:47:35 2009
New Revision: 84842

URL: http://llvm.org/viewvc/llvm-project?rev=84842&view=rev
Log:
Load / store multiple was missing opportunites when the load / store bundles are at the end of the bb. Test case is already in, the bug is exposed by subsequent commit.

Modified:
    llvm/trunk/lib/Target/ARM/ARMLoadStoreOptimizer.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMLoadStoreOptimizer.cpp?rev=84842&r1=84841&r2=84842&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMLoadStoreOptimizer.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMLoadStoreOptimizer.cpp Thu Oct 22 01:47:35 2009
@@ -974,6 +974,9 @@
     if (Advance) {
       ++Position;
       ++MBBI;
+      if (MBBI == E)
+        // Reach the end of the block, try merging the memory instructions.
+        TryMerge = true;
     } else
       TryMerge = true;