[llvm-commits] CVS: llvm/lib/Bytecode/Writer/Writer.cpp

[Anton Korobeynikov]

Changes in directory llvm/lib/Bytecode/Writer:

Writer.cpp updated: 1.176 -> 1.177
---
Log message:

Implement aliases. This fixes PR1017: http://llvm.org/PR1017  and it's dependent bugs. CFE part 
will follow.


---
Diffs of the changes:  (+26 -1)

 Writer.cpp |   27 ++++++++++++++++++++++++++-
 1 files changed, 26 insertions(+), 1 deletion(-)


Index: llvm/lib/Bytecode/Writer/Writer.cpp
diff -u llvm/lib/Bytecode/Writer/Writer.cpp:1.176 llvm/lib/Bytecode/Writer/Writer.cpp:1.177
--- llvm/lib/Bytecode/Writer/Writer.cpp:1.176	Sun Apr 22 14:24:39 2007
+++ llvm/lib/Bytecode/Writer/Writer.cpp	Wed Apr 25 09:27:10 2007
@@ -1088,9 +1088,34 @@
   output_vbr((unsigned)SectionNames.size());
   for (unsigned i = 0, e = SectionNames.size(); i != e; ++i)
     output(SectionNames[i]);
-  
+
   // Output the inline asm string.
   output(M->getModuleInlineAsm());
+
+  // Output aliases
+  for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
+       I != E; ++I) {
+    unsigned Slot = Table.getTypeSlot(I->getType());
+    assert(((Slot << 2) >> 2) == Slot && "Slot # too big!");
+    unsigned aliasLinkage = 0;
+    switch (I->getLinkage()) {
+     case GlobalValue::ExternalLinkage:
+      aliasLinkage = 0;
+      break;
+     case GlobalValue::InternalLinkage:
+      aliasLinkage = 1;
+      break;
+     case GlobalValue::WeakLinkage:
+      aliasLinkage = 2;
+      break;
+     default:
+      assert(0 && "Invalid alias linkage");
+    }    
+    output_vbr((Slot << 2) | aliasLinkage);
+    output_vbr(Table.getTypeSlot(I->getAliasee()->getType()));
+    output_vbr(Table.getSlot(I->getAliasee()));
+  }
+  output_typeid(Table.getTypeSlot(Type::VoidTy));
 }
 
 void BytecodeWriter::outputInstructions(const Function *F) {