Factor out offset printing code into generic AsmPrinter.
FIXME: it seems, that most of targets don't support
offsets wrt CPI/GlobalAddress', was it intentional?

llvm-svn: 58917
diff --git a/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index 36cd98e..ae6c354 100644
--- a/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -300,12 +300,9 @@
       FnStubs.insert(Name);
     } else
       O << Name;
-    
-    if (MO.getOffset() > 0)
-      O << '+' << MO.getOffset();
-    else if (MO.getOffset() < 0)
-      O << MO.getOffset();
-    
+
+    printOffset(MO.getOffset());
+
     if (isCallOp && Subtarget->isTargetELF() &&
         TM.getRelocationModel() == Reloc::PIC_)
       O << "(PLT)";
@@ -345,7 +342,7 @@
   assert(V < (1 << 12) && "Not a valid so_imm value!");
   unsigned Imm = ARM_AM::getSOImmValImm(V);
   unsigned Rot = ARM_AM::getSOImmValRot(V);
-  
+
   // Print low-level immediate formation info, per
   // A5.1.3: "Data-processing operands - Immediate".
   if (Rot) {
diff --git a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index 6c17dbe..280003a 100644
--- a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -398,10 +398,7 @@
     }
     O << Name;
 
-    if (MO.getOffset() > 0)
-      O << "+" << MO.getOffset();
-    else if (MO.getOffset() < 0)
-      O << MO.getOffset();
+    printOffset(MO.getOffset());
 
     if (GV->hasExternalWeakLinkage())
       ExtWeakSymbols.insert(GV);
diff --git a/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
index 556757a..66319c39 100644
--- a/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
+++ b/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
@@ -344,11 +344,7 @@
         O << "@GOTOFF";
     }
 
-    int Offset = MO.getOffset();
-    if (Offset > 0)
-      O << '+' << Offset;
-    else if (Offset < 0)
-      O << Offset;
+    printOffset(MO.getOffset());
 
     if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
       O << "(%rip)";
@@ -429,11 +425,7 @@
     if (GV->hasExternalWeakLinkage())
       ExtWeakSymbols.insert(GV);
 
-    int Offset = MO.getOffset();
-    if (Offset > 0)
-      O << '+' << Offset;
-    else if (Offset < 0)
-      O << Offset;
+    printOffset(MO.getOffset());
 
     if (isThreadLocal) {
       if (TM.getRelocationModel() == Reloc::PIC_ || Subtarget->is64Bit())
diff --git a/llvm/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp b/llvm/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
index 4868906..1d4a695 100644
--- a/llvm/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
+++ b/llvm/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
@@ -235,11 +235,7 @@
     if (!isMemOp) O << "OFFSET ";
     O << "[" << TAI->getPrivateGlobalPrefix() << "CPI"
       << getFunctionNumber() << "_" << MO.getIndex();
-    int Offset = MO.getOffset();
-    if (Offset > 0)
-      O << " + " << Offset;
-    else if (Offset < 0)
-      O << Offset;
+    printOffset(MO.getOffset());
     O << "]";
     return;
   }
@@ -258,11 +254,7 @@
       O << "__imp_";
     }
     O << Name;
-    int Offset = MO.getOffset();
-    if (Offset > 0)
-      O << " + " << Offset;
-    else if (Offset < 0)
-      O << Offset;
+    printOffset(MO.getOffset());
     return;
   }
   case MachineOperand::MO_ExternalSymbol: {