Support UndefValue emission.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17721 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Sparc/SparcAsmPrinter.cpp b/lib/Target/Sparc/SparcAsmPrinter.cpp
index 56ec97a088270d1aa9ff05f6c80594db93fc1056..36137b1a1c12335fb55d9fe55b3940260cff6f64 100644 (file)
--- a/lib/Target/Sparc/SparcAsmPrinter.cpp
+++ b/lib/Target/Sparc/SparcAsmPrinter.cpp
@@ -131,7 +131,7 @@ static void printAsCString(std::ostream &O, const ConstantArray *CVA) {
 // Print out the specified constant, without a storage class.  Only the
 // constants valid in constant expressions can occur here.
 void V8Printer::emitConstantValueOnly(const Constant *CV) {
-  if (CV->isNullValue())
+  if (CV->isNullValue() || isa<UndefValue> (CV))
     O << "0";
   else if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
     assert(CB == ConstantBool::True);
@@ -266,6 +266,10 @@ void V8Printer::emitGlobalConstant(const Constant *CV) {
       return;
     }
     }
+  } else if (isa<UndefValue> (CV)) {
+    unsigned size = TD.getTypeSize (CV->getType ());
+    O << "\t.skip\t " << size << "\n";      
+    return;
   }
 
   const Type *type = CV->getType();

diff --git a/lib/Target/SparcV8/SparcV8AsmPrinter.cpp b/lib/Target/SparcV8/SparcV8AsmPrinter.cpp
index 56ec97a088270d1aa9ff05f6c80594db93fc1056..36137b1a1c12335fb55d9fe55b3940260cff6f64 100644 (file)
--- a/lib/Target/SparcV8/SparcV8AsmPrinter.cpp
+++ b/lib/Target/SparcV8/SparcV8AsmPrinter.cpp
@@ -131,7 +131,7 @@ static void printAsCString(std::ostream &O, const ConstantArray *CVA) {
 // Print out the specified constant, without a storage class.  Only the
 // constants valid in constant expressions can occur here.
 void V8Printer::emitConstantValueOnly(const Constant *CV) {
-  if (CV->isNullValue())
+  if (CV->isNullValue() || isa<UndefValue> (CV))
     O << "0";
   else if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
     assert(CB == ConstantBool::True);
@@ -266,6 +266,10 @@ void V8Printer::emitGlobalConstant(const Constant *CV) {
       return;
     }
     }
+  } else if (isa<UndefValue> (CV)) {
+    unsigned size = TD.getTypeSize (CV->getType ());
+    O << "\t.skip\t " << size << "\n";      
+    return;
   }
 
   const Type *type = CV->getType();