Index: llvm/trunk/lib/Target/Hexagon/HexagonRegisterInfo.td
===================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonRegisterInfo.td
+++ llvm/trunk/lib/Target/Hexagon/HexagonRegisterInfo.td
@@ -63,38 +63,9 @@
   def subreg_hireg  : SubRegIndex<32, 32>;
 
   // Integer registers.
-  def R0 : Ri< 0, "r0">, DwarfRegNum<[0]>;
-  def R1 : Ri< 1, "r1">, DwarfRegNum<[1]>;
-  def R2 : Ri< 2, "r2">, DwarfRegNum<[2]>;
-  def R3 : Ri< 3, "r3">, DwarfRegNum<[3]>;
-  def R4 : Ri< 4, "r4">, DwarfRegNum<[4]>;
-  def R5 : Ri< 5, "r5">, DwarfRegNum<[5]>;
-  def R6 : Ri< 6, "r6">, DwarfRegNum<[6]>;
-  def R7 : Ri< 7, "r7">, DwarfRegNum<[7]>;
-  def R8 : Ri< 8, "r8">, DwarfRegNum<[8]>;
-  def R9 : Ri< 9, "r9">, DwarfRegNum<[9]>;
-  def R10 : Ri<10, "r10">, DwarfRegNum<[10]>;
-  def R11 : Ri<11, "r11">, DwarfRegNum<[11]>;
-  def R12 : Ri<12, "r12">, DwarfRegNum<[12]>;
-  def R13 : Ri<13, "r13">, DwarfRegNum<[13]>;
-  def R14 : Ri<14, "r14">, DwarfRegNum<[14]>;
-  def R15 : Ri<15, "r15">, DwarfRegNum<[15]>;
-  def R16 : Ri<16, "r16">, DwarfRegNum<[16]>;
-  def R17 : Ri<17, "r17">, DwarfRegNum<[17]>;
-  def R18 : Ri<18, "r18">, DwarfRegNum<[18]>;
-  def R19 : Ri<19, "r19">, DwarfRegNum<[19]>;
-  def R20 : Ri<20, "r20">, DwarfRegNum<[20]>;
-  def R21 : Ri<21, "r21">, DwarfRegNum<[21]>;
-  def R22 : Ri<22, "r22">, DwarfRegNum<[22]>;
-  def R23 : Ri<23, "r23">, DwarfRegNum<[23]>;
-  def R24 : Ri<24, "r24">, DwarfRegNum<[24]>;
-  def R25 : Ri<25, "r25">, DwarfRegNum<[25]>;
-  def R26 : Ri<26, "r26">, DwarfRegNum<[26]>;
-  def R27 : Ri<27, "r27">, DwarfRegNum<[27]>;
-  def R28 : Ri<28, "r28">, DwarfRegNum<[28]>;
-  def R29 : Ri<29, "r29">, DwarfRegNum<[29]>;
-  def R30 : Ri<30, "r30">, DwarfRegNum<[30]>;
-  def R31 : Ri<31, "r31">, DwarfRegNum<[31]>;
+  foreach I = 0-31 in {
+    def R#I  : Ri<I, "r"#I>,  DwarfRegNum<[I]>;
+  }
 
   def SP : Rj<"sp", R29>, DwarfRegNum<[29]>;
   def FP : Rj<"fp", R30>, DwarfRegNum<[30]>;