From: Chris Lattner <sabre@nondot.org>
Date: Mon, 21 Nov 2005 07:11:11 +0000 (+0000)
Subject: Start using the AsmPrinter shared SwitchSection code.  This allows the X86
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=224cfc2eac2c7815e5fe6b9709f7f0e0d201018c;p=oota-llvm.git

Start using the AsmPrinter shared SwitchSection code.  This allows the X86
backend to implement global variables in sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24447 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index af805766db4..dc12d87d96b 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -105,7 +105,6 @@ void X86SharedAsmPrinter::printConstantPool(MachineConstantPool *MCP) {
 
 bool X86SharedAsmPrinter::doFinalization(Module &M) {
   const TargetData &TD = TM.getTargetData();
-  std::string CurSection;
 
   // Print out module-level global variables here.
   for (Module::const_global_iterator I = M.global_begin(),
@@ -120,7 +119,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
       if (C->isNullValue() &&
           (I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
            I->hasWeakLinkage() /* FIXME: Verify correct */)) {
-        switchSection(O, CurSection, ".data");
+        SwitchSection(".data", I);
         if (!forCygwin && !forDarwin && I->hasInternalLinkage())
           O << "\t.local " << name << "\n";
         if (forDarwin && I->hasInternalLinkage())
@@ -139,8 +138,8 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
         case GlobalValue::WeakLinkage:   // FIXME: Verify correct for weak.
           // Nonnull linkonce -> weak
           O << "\t.weak " << name << "\n";
-          switchSection(O, CurSection, "");
           O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n";
+          SwitchSection("", I);
           break;
         case GlobalValue::AppendingLinkage:
           // FIXME: appending linkage variables should go into a section of
@@ -150,10 +149,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
           O << "\t.globl " << name << "\n";
           // FALL THROUGH
         case GlobalValue::InternalLinkage:
-          if (C->isNullValue())
-            switchSection(O, CurSection, ".bss");
-          else
-            switchSection(O, CurSection, ".data");
+          SwitchSection(C->isNullValue() ? ".bss" : ".data", I);
           break;
         }
 
diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h
index 06b4225c32f..ff6597d0b2c 100755
--- a/lib/Target/X86/X86AsmPrinter.h
+++ b/lib/Target/X86/X86AsmPrinter.h
@@ -55,17 +55,6 @@ struct X86SharedAsmPrinter : public AsmPrinter {
       MI->getOperand(Op+2).isRegister() && (MI->getOperand(Op+3).isImmediate()||
       MI->getOperand(Op+3).isGlobalAddress());
   }
-
-  // switchSection - Switch to the specified section of the executable if we are
-  // not already in it!
-  inline static void switchSection(std::ostream &OS, std::string &CurSection,
-                                   const char *NewSection) {
-    if (CurSection != NewSection) {
-      CurSection = NewSection;
-      if (!CurSection.empty())
-        OS << "\t" << NewSection << "\n";
-    }
-  }
 };
 
 } // end namespace x86