1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.h b/llvm/lib/Target/X86/X86RegisterInfo.h
index 1b1a1ccfc1a..c3a2845c362 100644
--- a/llvm/lib/Target/X86/X86RegisterInfo.h
+++ b/llvm/lib/Target/X86/X86RegisterInfo.h
@@ -87,6 +87,11 @@ public:
   const TargetRegisterClass *
   getCrossCopyRegClass(const TargetRegisterClass *RC) const override;
 
+  /// getGPRsForTailCall - Returns a register class with registers that can be
+  /// used in forming tail calls.
+  const TargetRegisterClass *
+  getGPRsForTailCall(const MachineFunction &MF) const;
+
   unsigned getRegPressureLimit(const TargetRegisterClass *RC,
                                MachineFunction &MF) const override;