Add support for generating reg+reg (indexed) pre-inc loads on PPC.

llvm-svn: 158823
diff --git a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
index 64e561d..e83fd72 100644
--- a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
+++ b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
@@ -533,6 +533,16 @@
                     NoEncode<"$ea_result">;
 // NO LWAU!
 
+def LHAUX8 : XForm_1<31, 375, (outs G8RC:$rD, ptr_rc:$ea_result),
+                    (ins memrr:$addr),
+                    "lhaux $rD, $addr", LdStLoad,
+                    []>, RegConstraint<"$addr.offreg = $ea_result">,
+                    NoEncode<"$ea_result">;
+def LWAUX : XForm_1<31, 375, (outs G8RC:$rD, ptr_rc:$ea_result),
+                    (ins memrr:$addr),
+                    "lwaux $rD, $addr", LdStLoad,
+                    []>, RegConstraint<"$addr.offreg = $ea_result">,
+                    NoEncode<"$ea_result">, isPPC64;
 }
 
 // Zero extending loads.
@@ -572,6 +582,22 @@
                     "lwzu $rD, $addr", LdStLoad,
                     []>, RegConstraint<"$addr.reg = $ea_result">,
                     NoEncode<"$ea_result">;
+
+def LBZUX8 : XForm_1<31, 119, (outs G8RC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lbzux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+def LHZUX8 : XForm_1<31, 331, (outs G8RC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lhzux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+def LWZUX8 : XForm_1<31, 55, (outs G8RC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lwzux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
 }
 }
 
@@ -607,6 +633,11 @@
                     []>, RegConstraint<"$addr.reg = $ea_result">, isPPC64,
                     NoEncode<"$ea_result">;
 
+def LDUX : XForm_1<31, 53, (outs G8RC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "ldux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">, isPPC64;
 }
 
 def : Pat<(PPCload ixaddr:$src),