Introduce the notion of function addresses in Subzero.

src/IceTargetLowering.h

Index: src/IceTargetLowering.h
diff --git a/src/IceTargetLowering.h b/src/IceTargetLowering.h
index f116cf31ea685546402ea759fee5172e29822570..a24e180b9e3cb9475e5599f77b1631cbb32c2239 100644
--- a/src/IceTargetLowering.h
+++ b/src/IceTargetLowering.h
@@ -27,7 +27,7 @@ namespace Ice {
 typedef uint8_t AsmCodeByte;
 
 class Assembler;
-class GlobalAddress;
+class GlobalVariable;
 
 // LoweringContext makes it easy to iterate through non-deleted
 // instructions in a node, and insert new (lowered) instructions at
@@ -249,7 +249,7 @@ public:
                                                   GlobalContext *Ctx);
   virtual ~TargetGlobalInitLowering();
 
-  virtual void lower(const GlobalAddress &Addr, bool DisableTranslation) = 0;
+  virtual void lower(const GlobalVariable &Vbl, bool DisableTranslation) = 0;

[jvoung (off chromium), 2014/10/10 01:47:28]

nit: How about "Var" instead of "Vbl"?

[Karl, 2014/10/10 20:17:30]

Done.

 
 protected:
   TargetGlobalInitLowering(GlobalContext *Ctx) : Ctx(Ctx) {}