Promote pointer to dex cache arrays on arm.

Do the use-count analysis on temps (ArtMethod* and the new
PC-relative temp) in Mir2Lir, rather than MIRGraph. MIRGraph
isn't really supposed to know how the ArtMethod* is used by
the backend.

Change-Id: Iaf56a46ae203eca86281b02b54f39a80fe5cc2dd

1 files changed, 12 insertions, 0 deletions

diff --git a/compiler/dex/mir_graph.h b/compiler/dex/mir_graph.h
index 3298af1162..d4a9eb938b 100644
--- a/compiler/dex/mir_graph.h
+++ b/compiler/dex/mir_graph.h
@@ -960,6 +960,12 @@ class MIRGraph {
    */
   CompilerTemp* GetNewCompilerTemp(CompilerTempType ct_type, bool wide);
 
+  /**
+   * @brief Used to remove last created compiler temporary when it's not needed.
+   * @param temp the temporary to remove.
+   */
+  void RemoveLastCompilerTemp(CompilerTempType ct_type, bool wide, CompilerTemp* temp);
+
   bool MethodIsLeaf() {
     return attributes_ & METHOD_IS_LEAF;
   }
@@ -1185,6 +1191,12 @@ class MIRGraph {
   void DoConstantPropagation(BasicBlock* bb);
 
   /**
+   * @brief Get use count weight for a given block.
+   * @param bb the BasicBlock.
+   */
+  uint32_t GetUseCountWeight(BasicBlock* bb) const;
+
+  /**
    * @brief Count the uses in the BasicBlock
    * @param bb the BasicBlock
    */