[llvm-commits] [llvm] r93291 - /llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

[Chris Lattner]

Author: lattner
Date: Tue Jan 12 22:34:19 2010
New Revision: 93291

URL: http://llvm.org/viewvc/llvm-project?rev=93291&view=rev
Log:
reduce indentation and add a fast-path to EmitGlobalConstant for 8-byte 
integers on 64-bit systems.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=93291&r1=93290&r2=93291&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Tue Jan 12 22:34:19 2010
@@ -1305,22 +1305,39 @@
   if (CV->isNullValue() || isa<UndefValue>(CV)) {
     EmitZeros(Size, AddrSpace);
     return;
-  } else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
+  }
+  
+  if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
     EmitGlobalConstantArray(CVA , AddrSpace);
     return;
-  } else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
+  }
+  
+  if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
     EmitGlobalConstantStruct(CVS, AddrSpace);
     return;
-  } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
+  }
+
+  if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
     EmitGlobalConstantFP(CFP, AddrSpace);
     return;
-  } else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
+  }
+  
+  if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
+    // If we can directly emit an 8-byte constant, do it.
+    if (Size == 8)
+      if (const char *Data64Dir = MAI->getData64bitsDirective(AddrSpace)) {
+        O << Data64Dir << CI->getZExtValue() << '\n';
+        return;
+      }
+
     // Small integers are handled below; large integers are handled here.
     if (Size > 4) {
       EmitGlobalConstantLargeInt(CI, AddrSpace);
       return;
     }
-  } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
+  }
+  
+  if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
     EmitGlobalConstantVector(CP);
     return;
   }