Move support/lib into lib/Support

[oota-llvm.git] / support / lib / Support / Mangler.cpp

diff --git a/support/lib/Support/Mangler.cpp b/support/lib/Support/Mangler.cpp
deleted file mode 100644 (file)
index d9186a9..0000000
--- a/support/lib/Support/Mangler.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-//===-- Mangler.cpp - Self-contained c/asm llvm name mangler --------------===//
-//
-// Unified name mangler for CWriter and assembly backends.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/Mangler.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "Support/StringExtras.h"
-
-static char HexDigit(int V) {
-  return V < 10 ? V+'0' : V+'A'-10;
-}
-
-static std::string MangleLetter(unsigned char C) {
-  return std::string("_")+HexDigit(C >> 4) + HexDigit(C & 15) + "_";
-}
-
-/// makeNameProper - We don't want identifier names non-C-identifier characters
-/// in them, so mangle them as appropriate.
-/// 
-std::string Mangler::makeNameProper(const std::string &X) {
-  std::string Result;
-  
-  // Mangle the first letter specially, don't allow numbers...
-  if ((X[0] < 'a' || X[0] > 'z') && (X[0] < 'A' || X[0] > 'Z') && X[0] != '_')
-    Result += MangleLetter(X[0]);
-  else
-    Result += X[0];
-
-  for (std::string::const_iterator I = X.begin()+1, E = X.end(); I != E; ++I)
-    if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
-        (*I < '0' || *I > '9') && *I != '_')
-      Result += MangleLetter(*I);
-    else
-      Result += *I;
-  return Result;
-}
-
-std::string Mangler::getValueName(const Value *V) {
-  // Check to see whether we've already named V.
-  ValueMap::iterator VI = Memo.find(V);
-  if (VI != Memo.end()) {
-    return VI->second; // Return the old name for V.
-  }
-
-  std::string name;
-  if (V->hasName()) { // Print out the label if it exists...
-    // Name mangling occurs as follows:
-    // - If V is not a global, mangling always occurs.
-    // - Otherwise, mangling occurs when any of the following are true:
-    //   1) V has internal linkage
-    //   2) V's name would collide if it is not mangled.
-    //
-    const GlobalValue* gv = dyn_cast<GlobalValue>(V);
-    if (gv && !gv->hasInternalLinkage() && !MangledGlobals.count(gv)) {
-      name = makeNameProper(gv->getName());
-      if (AddUnderscorePrefix) name = "_" + name;
-    } else {
-      // Non-global, or global with internal linkage / colliding name
-      // -> mangle.
-      name = "l" + utostr(V->getType()->getUniqueID()) + "_" +
-        makeNameProper(V->getName());      
-    }
-  } else {
-    name = "ltmp_" + utostr(Count++) + "_"
-      + utostr(V->getType()->getUniqueID());
-  }
-  
-  Memo[V] = name;
-  return name;
-}
-
-Mangler::Mangler(Module &m, bool addUnderscorePrefix)
-  : M(m), AddUnderscorePrefix(addUnderscorePrefix) {
-  // Calculate which global values have names that will collide when we throw
-  // away type information.
-  std::set<std::string> FoundNames;
-  for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
-    if (I->hasName())                      // If the global has a name...
-      if (FoundNames.count(I->getName()))  // And the name is already used
-        MangledGlobals.insert(I);          // Mangle the name
-      else
-        FoundNames.insert(I->getName());   // Otherwise, keep track of name
-
-  for (Module::giterator I = M.gbegin(), E = M.gend(); I != E; ++I)
-    if (I->hasName())                      // If the global has a name...
-      if (FoundNames.count(I->getName()))  // And the name is already used
-        MangledGlobals.insert(I);          // Mangle the name
-      else
-        FoundNames.insert(I->getName());   // Otherwise, keep track of name
-}
-