[llvm-commits] [llvm] r144024 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h

[Eric Christopher]

Author: echristo
Date: Mon Nov  7 15:49:35 2011
New Revision: 144024

URL: http://llvm.org/viewvc/llvm-project?rev=144024&view=rev
Log:
Move the hash function to using and taking a StringRef.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h?rev=144024&r1=144023&r2=144024&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfAccelTable.h Mon Nov  7 15:49:35 2011
@@ -69,10 +69,10 @@
     eHashFunctionDJB = 0u
   };
 
-  static uint32_t HashDJB (const char *s) {
+  static uint32_t HashDJB (StringRef Str) {
     uint32_t h = 5381;
-    for (unsigned char c = *s; c; c = *++s)
-      h = ((h << 5) + h) + c;
+    for (unsigned i = 0, e = Str.size(); i != e; ++i)
+      h = ((h << 5) + h) + Str[i];
     return h;
   }
 
@@ -190,7 +190,7 @@
     MCSymbol *Sym;
     std::vector<uint32_t> DIEOffsets; // offsets
     HashData(StringRef S) : Str(S) {
-      HashValue = DwarfAccelTable::HashDJB(S.str().c_str());
+      HashValue = DwarfAccelTable::HashDJB(S);
     }
     void addOffset(uint32_t off) { DIEOffsets.push_back(off); }
     #ifndef NDEBUG