Combine allocas

src/IceCfg.h

Index: src/IceCfg.h
diff --git a/src/IceCfg.h b/src/IceCfg.h
index 37c6eb7fb93ef3085e69187d5a58294b60d254b5..a80eba822c8a6fa1b2ffb76d05bf4e85b47741e1 100644
--- a/src/IceCfg.h
+++ b/src/IceCfg.h
@@ -185,8 +185,11 @@ public:
   void advancedPhiLowering();
   void reorderNodes();
   void shuffleNodes();
-  void sortAllocas(CfgVector<Inst *> &Allocas, InstList &Insts,
-                   bool IsKnownFrameOffset);
+
+  enum AllocaBaseVariableType { StackPointer, FramePointer, UserPointer };

[Jim Stichnoth, 2015/11/11 17:47:16]

Consider adding some common prefix to each enum value, e.g. BVT_StackPointer,
BVT_FramePointer, BVT_UserPointer

[sehr, 2015/11/11 22:14:10]

Done.

+  void sortAndCombineAllocas(CfgVector<Inst *> &Allocas,
+                             uint32_t CombinedAlignment, InstList &Insts,
+                             AllocaBaseVariableType BaseVariableType);
   /// Merge all the fixed-size allocas in the entry block.
   void processAllocas();
   void doAddressOpt();