R600/SI: Clean up checks for legality of immediate operands

[oota-llvm.git] / lib / Target / R600 / SIRegisterInfo.h

diff --git a/lib/Target/R600/SIRegisterInfo.h b/lib/Target/R600/SIRegisterInfo.h
index 112b267fc8a88bbd792ffc5ecc3f66e6f2666293..29b5d0c6d2aa550a66710ea79489fe771282192d 100644 (file)
--- a/lib/Target/R600/SIRegisterInfo.h
+++ b/lib/Target/R600/SIRegisterInfo.h
@@ -68,12 +68,21 @@ struct SIRegisterInfo : public AMDGPURegisterInfo {
                             unsigned Channel) const;
 
   /// \returns True if operands defined with this register class can accept
-  /// inline immediates.
-  bool regClassCanUseImmediate(int RCID) const;
+  /// a literal constant (i.e. any 32-bit immediate).
+  bool regClassCanUseLiteralConstant(int RCID) const;
 
   /// \returns True if operands defined with this register class can accept
-  /// inline immediates.
-  bool regClassCanUseImmediate(const TargetRegisterClass *RC) const;
+  /// a literal constant (i.e. any 32-bit immediate).
+  bool regClassCanUseLiteralConstant(const TargetRegisterClass *RC) const;
+
+  /// \returns True if operands defined with this register class can accept
+  /// an inline constant. i.e. An integer value in the range (-16, 64) or
+  /// -4.0f, -2.0f, -1.0f, -0.5f, 0.0f, 0.5f, 1.0f, 2.0f, 4.0f. 
+  bool regClassCanUseInlineConstant(int RCID) const;
+
+  /// \returns True if operands defined with this register class can accept
+  /// a literal constant. i.e. A value in the range (-16, 64).
+  bool regClassCanUseInlineConstant(const TargetRegisterClass *RC) const;
 
   enum PreloadedValue {
     TGID_X,