[PATCH] D16434: Fix ARM load/store opt live reg computing

[Weiming Zhao via llvm-commits]

weimingz updated this revision to Diff 45615.

Repository:
  rL LLVM

http://reviews.llvm.org/D16434

Files:
  lib/Target/ARM/ARMLoadStoreOptimizer.cpp

Index: lib/Target/ARM/ARMLoadStoreOptimizer.cpp
===================================================================
--- lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -560,6 +560,9 @@
   while (LiveRegPos != Before) {
     --LiveRegPos;
     LiveRegs.stepBackward(*LiveRegPos);
+    if (LiveRegPos->getOpcode() == ARM::BX_RET ||
+        LiveRegPos->getOpcode() == ARM::tBX_RET)
+      LiveRegs.addReg(ARM::LR);
   }
 }
 


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