This situation can occur:

[oota-llvm.git] / lib / CodeGen / AsmPrinter.cpp

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index c00d4d197c8fc01da4894e3688038a62f7290750..4ac8026a1b28ab52bc9beacd116019a288e7d56d 100644 (file)
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -192,14 +192,23 @@ bool AsmPrinter::doFinalization(Module &M) {
                                          E = CMM->begin(); I != E; )
     (*--I)->finishAssembly(O, *this, *TAI);
 
+  // If we don't have any trampolines, then we don't require stack memory
+  // to be executable. Some targets have a directive to declare this.
+  Function* InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
+  if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
+    if (TAI->getNonexecutableStackDirective())
+      O << TAI->getNonexecutableStackDirective() << "\n";
+
   delete Mang; Mang = 0;
   return false;
 }
 
 std::string AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) {
   assert(MF && "No machine function?");
-  return Mang->makeNameProper(MF->getFunction()->getName() + ".eh",
-                              TAI->getGlobalPrefix());
+  std::string Name = MF->getFunction()->getName();
+  if (Name.empty())
+    Name = Mang->getValueName(MF->getFunction());
+  return Mang->makeNameProper(Name + ".eh", TAI->getGlobalPrefix());
 }
 
 void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
@@ -880,11 +889,9 @@ void AsmPrinter::EmitString(const ConstantArray *CVA) const {
 }
 
 /// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-/// If Packed is false, pad to the ABI size.
-void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
+void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
   const TargetData *TD = TM.getTargetData();
-  unsigned Size = Packed ?
-    TD->getTypeStoreSize(CV->getType()) : TD->getABITypeSize(CV->getType());
+  unsigned Size = TD->getABITypeSize(CV->getType());
 
   if (CV->isNullValue() || isa<UndefValue>(CV)) {
     EmitZeros(Size);
@@ -894,7 +901,7 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
       EmitString(CVA);
     } else { // Not a string.  Print the values in successive locations
       for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i)
-        EmitGlobalConstant(CVA->getOperand(i), false);
+        EmitGlobalConstant(CVA->getOperand(i));
     }
     return;
   } else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
@@ -905,13 +912,13 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
       const Constant* field = CVS->getOperand(i);
 
       // Check if padding is needed and insert one or more 0s.
-      uint64_t fieldSize = TD->getTypeStoreSize(field->getType());
+      uint64_t fieldSize = TD->getABITypeSize(field->getType());
       uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1))
                           - cvsLayout->getElementOffset(i)) - fieldSize;
       sizeSoFar += fieldSize + padSize;
 
-      // Now print the actual field value without ABI size padding.
-      EmitGlobalConstant(field, true);
+      // Now print the actual field value.
+      EmitGlobalConstant(field);
 
       // Insert padding - this may include padding to increase the size of the
       // current field up to the ABI size (if the struct is not packed) as well
@@ -1057,7 +1064,7 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
     const VectorType *PTy = CP->getType();
     
     for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I)
-      EmitGlobalConstant(CP->getOperand(I), false);
+      EmitGlobalConstant(CP->getOperand(I));
     
     return;
   }
@@ -1065,6 +1072,11 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
   const Type *type = CV->getType();
   printDataDirective(type);
   EmitConstantValueOnly(CV);
+  if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
+    O << "\t\t\t"
+      << TAI->getCommentString()
+      << " 0x" << CI->getValue().toStringUnsigned(16);
+  }
   O << "\n";
 }
 
@@ -1426,3 +1438,10 @@ void AsmPrinter::printDataDirective(const Type *type) {
   }
 }
 
+void AsmPrinter::printSuffixedName(std::string &Name, const char* Suffix) {
+  if (Name[0]=='\"')
+    O << "\"" << TAI->getPrivateGlobalPrefix() << 
+         Name.substr(1, Name.length()-2) << Suffix << "\"";
+  else
+    O << TAI->getPrivateGlobalPrefix() << Name << Suffix;
+}