eliminate extra space.

[oota-llvm.git] / lib / Target / X86 / AsmPrinter / X86IntelAsmPrinter.cpp

diff --git a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
index 5b1733e681630835f6f2aada37bc8779f83ac22c..1a40ed46478789c42c08fb401fab161c9b01fd64 100644 (file)
--- a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
@@ -26,6 +26,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/CodeGen/DwarfWriter.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetOptions.h"
@@ -114,7 +115,7 @@ void X86IntelAsmPrinter::decorateName(std::string &Name,
 
     break;
   default:
-    assert(0 && "Unsupported DecorationStyle");
+    LLVM_UNREACHABLE("Unsupported DecorationStyle");
   }
 }
 
@@ -132,6 +133,7 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   // Print out labels for the function.
   const Function *F = MF.getFunction();
   unsigned CC = F->getCallingConv();
+  unsigned FnAlign = MF.getAlignment();
 
   // Populate function information map.  Actually, We don't want to populate
   // non-stdcall or non-fastcall functions' information right now.
@@ -141,12 +143,8 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   decorateName(CurrentFnName, F);
 
   SwitchToTextSection("_text", F);
-
-  unsigned FnAlign = 4;
-  if (F->hasFnAttr(Attribute::OptimizeForSize))
-    FnAlign = 1;
   switch (F->getLinkage()) {
-  default: assert(0 && "Unsupported linkage type!");
+  default: LLVM_UNREACHABLE("Unsupported linkage type!");
   case Function::PrivateLinkage:
   case Function::InternalLinkage:
     EmitAlignment(FnAlign);
@@ -223,9 +221,6 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
   case MachineOperand::MO_Immediate:
     O << MO.getImm();
     return;
-  case MachineOperand::MO_MachineBasicBlock:
-    printBasicBlockLabel(MO.getMBB());
-    return;
   case MachineOperand::MO_JumpTableIndex: {
     bool isMemOp  = Modifier && !strcmp(Modifier, "mem");
     if (!isMemOp) O << "OFFSET ";
@@ -243,26 +238,24 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
     return;
   }
   case MachineOperand::MO_GlobalAddress: {
-    bool isCallOp = Modifier && !strcmp(Modifier, "call");
     bool isMemOp  = Modifier && !strcmp(Modifier, "mem");
     GlobalValue *GV = MO.getGlobal();
-    std::string Name = Mang->getValueName(GV);
-
+    std::string Name = Mang->getMangledName(GV);
     decorateName(Name, GV);
 
-    if (!isMemOp && !isCallOp) O << "OFFSET ";
-    if (GV->hasDLLImportLinkage()) {
-      // FIXME: This should be fixed with full support of stdcall & fastcall
-      // CC's
+    if (!isMemOp) O << "OFFSET ";
+    
+    // Handle dllimport linkage.
+    // FIXME: This should be fixed with full support of stdcall & fastcall
+    // CC's
+    if (MO.getTargetFlags() == X86II::MO_DLLIMPORT)
       O << "__imp_";
-    }
+    
     O << Name;
     printOffset(MO.getOffset());
     return;
   }
   case MachineOperand::MO_ExternalSymbol: {
-    bool isCallOp = Modifier && !strcmp(Modifier, "call");
-    if (!isCallOp) O << "OFFSET ";
     O << TAI->getGlobalPrefix() << MO.getSymbolName();
     return;
   }
@@ -271,6 +264,39 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
   }
 }
 
+void X86IntelAsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo){
+  const MachineOperand &MO = MI->getOperand(OpNo);
+  switch (MO.getType()) {
+  default: LLVM_UNREACHABLE("Unknown pcrel immediate operand");
+  case MachineOperand::MO_Immediate:
+    O << MO.getImm();
+    return;
+  case MachineOperand::MO_MachineBasicBlock:
+    printBasicBlockLabel(MO.getMBB());
+    return;
+    
+  case MachineOperand::MO_GlobalAddress: {
+    GlobalValue *GV = MO.getGlobal();
+    std::string Name = Mang->getMangledName(GV);
+    decorateName(Name, GV);
+    
+    // Handle dllimport linkage.
+    // FIXME: This should be fixed with full support of stdcall & fastcall
+    // CC's
+    if (MO.getTargetFlags() == X86II::MO_DLLIMPORT)
+      O << "__imp_";
+    O << Name;
+    printOffset(MO.getOffset());
+    return;
+  }
+
+  case MachineOperand::MO_ExternalSymbol:
+    O << TAI->getGlobalPrefix() << MO.getSymbolName();
+    return;
+  }
+}
+
+
 void X86IntelAsmPrinter::printLeaMemReference(const MachineInstr *MI,
                                               unsigned Op,
                                               const char *Modifier) {
@@ -419,7 +445,7 @@ bool X86IntelAsmPrinter::doInitialization(Module &M) {
   // Emit declarations for external functions.
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
     if (I->isDeclaration()) {
-      std::string Name = Mang->getValueName(I);
+      std::string Name = Mang->getMangledName(I);
       decorateName(Name, I);
 
       O << "\tEXTERN " ;
@@ -434,7 +460,7 @@ bool X86IntelAsmPrinter::doInitialization(Module &M) {
   for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
        I != E; ++I) {
     if (I->isDeclaration()) {
-      std::string Name = Mang->getValueName(I);
+      std::string Name = Mang->getMangledName(I);
 
       O << "\tEXTERN " ;
       if (I->hasDLLImportLinkage()) {
@@ -459,7 +485,7 @@ bool X86IntelAsmPrinter::doFinalization(Module &M) {
     if (EmitSpecialLLVMGlobal(I))
       continue;
 
-    std::string name = Mang->getValueName(I);
+    std::string name = Mang->getMangledName(I);
     Constant *C = I->getInitializer();
     unsigned Align = TD->getPreferredAlignmentLog(I);
     bool bCustomSegment = false;
@@ -493,7 +519,7 @@ bool X86IntelAsmPrinter::doFinalization(Module &M) {
       SwitchToSection(TAI->getDataSection());
       break;
     default:
-      assert(0 && "Unknown linkage type!");
+      LLVM_UNREACHABLE("Unknown linkage type!");
     }
 
     if (!bCustomSegment)