[llvm-commits] [llvm] r134085 - in /llvm/trunk/lib/Target/MBlaze: MBlazeISelLowering.cpp MBlazeISelLowering.h

[Eric Christopher]

Author: echristo
Date: Wed Jun 29 14:12:24 2011
New Revision: 134085

URL: http://llvm.org/viewvc/llvm-project?rev=134085&view=rev
Log:
Remove getRegClassForInlineAsmConstraint from MBlaze. Add a TODO comment
for the port.

Part of rdar://9643582

Modified:
    llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.cpp
    llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.h

Modified: llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.cpp?rev=134085&r1=134084&r2=134085&view=diff
==============================================================================
--- llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.cpp Wed Jun 29 14:12:24 2011
@@ -1114,15 +1114,19 @@
   return weight;
 }
 
-/// getRegClassForInlineAsmConstraint - Given a constraint letter (e.g. "r"),
-/// return a list of registers that can be used to satisfy the constraint.
-/// This should only be used for C_RegisterClass constraints.
+/// Given a register class constraint, like 'r', if this corresponds directly
+/// to an LLVM register class, return a register of 0 and the register class
+/// pointer.
 std::pair<unsigned, const TargetRegisterClass*> MBlazeTargetLowering::
 getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const {
   if (Constraint.size() == 1) {
     switch (Constraint[0]) {
     case 'r':
       return std::make_pair(0U, MBlaze::GPRRegisterClass);
+      // TODO: These can't possibly be right, but match what was in
+      // getRegClassForInlineAsmConstraint.
+    case 'd':
+    case 'y':
     case 'f':
       if (VT == MVT::f32)
         return std::make_pair(0U, MBlaze::GPRRegisterClass);
@@ -1131,32 +1135,6 @@
   return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
 }
 
-/// Given a register class constraint, like 'r', if this corresponds directly
-/// to an LLVM register class, return a register of 0 and the register class
-/// pointer.
-std::vector<unsigned> MBlazeTargetLowering::
-getRegClassForInlineAsmConstraint(const std::string &Constraint, EVT VT) const {
-  if (Constraint.size() != 1)
-    return std::vector<unsigned>();
-
-  switch (Constraint[0]) {
-    default : break;
-    case 'r':
-    // GCC MBlaze Constraint Letters
-    case 'd':
-    case 'y':
-    case 'f':
-      return make_vector<unsigned>(
-        MBlaze::R3,  MBlaze::R4,  MBlaze::R5,  MBlaze::R6,
-        MBlaze::R7,  MBlaze::R9,  MBlaze::R10, MBlaze::R11,
-        MBlaze::R12, MBlaze::R19, MBlaze::R20, MBlaze::R21,
-        MBlaze::R22, MBlaze::R23, MBlaze::R24, MBlaze::R25,
-        MBlaze::R26, MBlaze::R27, MBlaze::R28, MBlaze::R29,
-        MBlaze::R30, MBlaze::R31, 0);
-  }
-  return std::vector<unsigned>();
-}
-
 bool MBlazeTargetLowering::
 isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
   // The MBlaze target isn't yet aware of offsets.

Modified: llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.h?rev=134085&r1=134084&r2=134085&view=diff
==============================================================================
--- llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.h (original)
+++ llvm/trunk/lib/Target/MBlaze/MBlazeISelLowering.h Wed Jun 29 14:12:24 2011
@@ -173,10 +173,6 @@
               getRegForInlineAsmConstraint(const std::string &Constraint,
               EVT VT) const;
 
-    std::vector<unsigned>
-    getRegClassForInlineAsmConstraint(const std::string &Constraint,
-              EVT VT) const;
-
     virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
 
     /// isFPImmLegal - Returns true if the target can instruction select the