[llvm] r218360 - R600/SI: Add new helper isSGPRClassID

[Matt Arsenault]

Author: arsenm
Date: Tue Sep 23 21:17:12 2014
New Revision: 218360

URL: http://llvm.org/viewvc/llvm-project?rev=218360&view=rev
Log:
R600/SI: Add new helper isSGPRClassID

Move these into header since they are trivial

Modified:
    llvm/trunk/lib/Target/R600/SIRegisterInfo.cpp
    llvm/trunk/lib/Target/R600/SIRegisterInfo.h

Modified: llvm/trunk/lib/Target/R600/SIRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIRegisterInfo.cpp?rev=218360&r1=218359&r2=218360&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIRegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/R600/SIRegisterInfo.cpp Tue Sep 23 21:17:12 2014
@@ -288,13 +288,6 @@ const TargetRegisterClass *SIRegisterInf
   return nullptr;
 }
 
-bool SIRegisterInfo::isSGPRClass(const TargetRegisterClass *RC) const {
-  if (!RC) {
-    return false;
-  }
-  return !hasVGPRs(RC);
-}
-
 bool SIRegisterInfo::hasVGPRs(const TargetRegisterClass *RC) const {
   return getCommonSubClass(&AMDGPU::VReg_32RegClass, RC) ||
          getCommonSubClass(&AMDGPU::VReg_64RegClass, RC) ||

Modified: llvm/trunk/lib/Target/R600/SIRegisterInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIRegisterInfo.h?rev=218360&r1=218359&r2=218360&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIRegisterInfo.h (original)
+++ llvm/trunk/lib/Target/R600/SIRegisterInfo.h Tue Sep 23 21:17:12 2014
@@ -46,7 +46,20 @@ struct SIRegisterInfo : public AMDGPUReg
   const TargetRegisterClass *getPhysRegClass(unsigned Reg) const;
 
   /// \returns true if this class contains only SGPR registers
-  bool isSGPRClass(const TargetRegisterClass *RC) const;
+  bool isSGPRClass(const TargetRegisterClass *RC) const {
+    if (!RC)
+      return false;
+
+    return !hasVGPRs(RC);
+  }
+
+  /// \returns true if this class ID contains only SGPR registers
+  bool isSGPRClassID(unsigned RCID) const {
+    if (static_cast<int>(RCID) == -1)
+      return false;
+
+    return isSGPRClass(getRegClass(RCID));
+  }
 
   /// \returns true if this class contains VGPR registers.
   bool hasVGPRs(const TargetRegisterClass *RC) const;