4 files changed, 8 insertions, 1 deletions
diff --git a/include/llvm/MC/MCSection.h b/include/llvm/MC/MCSection.h
index 5c99735..3e5b5f1 100644
--- a/include/llvm/MC/MCSection.h
+++ b/include/llvm/MC/MCSection.h
@@ -61,6 +61,10 @@ namespace llvm {
       return false;
     }
 
+    // UseCodeAlign - Return true if a .align directive should use
+    // "optimized nops" to fill instead of 0s.
+    virtual bool UseCodeAlign() const = 0;
+
     static bool classof(const MCSection *) { return true; }
   };
 
diff --git a/include/llvm/MC/MCSectionCOFF.h b/include/llvm/MC/MCSectionCOFF.h
index f828e10..62d07cf 100644
--- a/include/llvm/MC/MCSectionCOFF.h
+++ b/include/llvm/MC/MCSectionCOFF.h
@@ -55,6 +55,7 @@ namespace llvm {
     
     virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
                                       raw_ostream &OS) const;
+    virtual bool UseCodeAlign() const;
 
     static bool classof(const MCSection *S) {
       return S->getVariant() == SV_COFF;
diff --git a/include/llvm/MC/MCSectionELF.h b/include/llvm/MC/MCSectionELF.h
index f97ab16..a92d0f2 100644
--- a/include/llvm/MC/MCSectionELF.h
+++ b/include/llvm/MC/MCSectionELF.h
@@ -178,7 +178,8 @@ public:
   
   void PrintSwitchToSection(const MCAsmInfo &MAI,
                             raw_ostream &OS) const;
-  
+  virtual bool UseCodeAlign() const;
+
   /// isBaseAddressKnownZero - We know that non-allocatable sections (like
   /// debug info) have a base of zero.
   virtual bool isBaseAddressKnownZero() const {
diff --git a/include/llvm/MC/MCSectionMachO.h b/include/llvm/MC/MCSectionMachO.h
index 2d9d133..19d003a 100644
--- a/include/llvm/MC/MCSectionMachO.h
+++ b/include/llvm/MC/MCSectionMachO.h
@@ -165,6 +165,7 @@ public:
 
   virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
                                     raw_ostream &OS) const;
+  virtual bool UseCodeAlign() const;
 
   static bool classof(const MCSection *S) {
     return S->getVariant() == SV_MachO;