Code refactoring, no functionality change.

[oota-llvm.git] / lib / Target / X86 / X86ISelLowering.h

diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 1e66475eae92931ce03b61ba2faff94bb3af93bd..6fd00d6ca2f61dc311f6c0c20a4f4618b0c703d2 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -19,6 +19,7 @@
 #include "X86RegisterInfo.h"
 #include "X86MachineFunctionInfo.h"
 #include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetOptions.h"
 #include "llvm/CodeGen/FastISel.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/CallingConvLower.h"
@@ -361,6 +362,10 @@ namespace llvm {
     /// fit into displacement field of the instruction.
     bool isOffsetSuitableForCodeModel(int64_t Offset, CodeModel::Model M,
                                       bool hasSymbolicDisplacement = true);
+
+    /// IsEligibleForTailCallOpt - Return true if it's legal to perform tail call
+    /// optimization for the given calling convention.
+    bool IsEligibleForTailCallOpt(CallingConv::ID CC);
   }
 
   //===--------------------------------------------------------------------===//