Subzero: Add basic ELFObjectWriter (text section, symtab, strtab, headers)

src/IceTargetLowering.h

Index: src/IceTargetLowering.h
diff --git a/src/IceTargetLowering.h b/src/IceTargetLowering.h
index 07d665f105b333d6f9d027db937709d074e56470..51f573149b9ff7d3ad00f5cd41f1c84e1be6b647 100644
--- a/src/IceTargetLowering.h
+++ b/src/IceTargetLowering.h
@@ -24,8 +24,6 @@
 
 namespace Ice {
 
-typedef uint8_t AsmCodeByte;
-
 class Assembler;
 
 // LoweringContext makes it easy to iterate through non-deleted
@@ -167,8 +165,6 @@ public:
   virtual bool hasFramePointer() const { return false; }
   virtual SizeT getFrameOrStackReg() const = 0;
   virtual size_t typeWidthInBytesOnStack(Type Ty) const = 0;
-  virtual SizeT getBundleAlignLog2Bytes() const = 0;
-  virtual llvm::ArrayRef<AsmCodeByte> getNonExecBundlePadding() const = 0;
   bool hasComputedFrame() const { return HasComputedFrame; }
   bool shouldDoNopInsertion() const;
   // Returns true if this function calls a function that has the