[NFC] [PPC] Store Instructions have a destination not a source

[rnk]

lgtm

Fair enough, it better not be a source.

[nemanjai]

:) It seems these have been around for a long time and nobody bothered to fix it. Thanks for fixing this.

llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td

def LMW : DForm_1<46, (outs gprc:$rD), (ins memri:$src),
                   "lmw $rD, $src", IIC_LdStLMW, []>;
 
 //===----------------------------------------------------------------------===//
 // PPC32 Store Instructions.
 //
 
 // Unindexed (r+i) Stores.
 let PPC970_Unit = 2, mayStore = 1, mayLoad = 0 in {
-def STB  : DForm_1<38, (outs), (ins gprc:$rS, memri:$src),
-                   "stb $rS, $src", IIC_LdStStore,
-                   [(truncstorei8 i32:$rS, iaddr:$src)]>;
-def STH  : DForm_1<44, (outs), (ins gprc:$rS, memri:$src),
-                   "sth $rS, $src", IIC_LdStStore,
-                   [(truncstorei16 i32:$rS, iaddr:$src)]>;
-def STW  : DForm_1<36, (outs), (ins gprc:$rS, memri:$src),
-                   "stw $rS, $src", IIC_LdStStore,
-                   [(store i32:$rS, iaddr:$src)]>;
+def STB  : DForm_1<38, (outs), (ins gprc:$rS, memri:$dst),
+                   "stb $rS, $dst", IIC_LdStStore,
+                   [(truncstorei8 i32:$rS, iaddr:$dst)]>;
+def STH  : DForm_1<44, (outs), (ins gprc:$rS, memri:$dst),
+                   "sth $rS, $dst", IIC_LdStStore,
+                   [(truncstorei16 i32:$rS, iaddr:$dst)]>;
+def STW  : DForm_1<36, (outs), (ins gprc:$rS, memri:$dst),
+                   "stw $rS, $dst", IIC_LdStStore,
+                   [(store i32:$rS, iaddr:$dst)]>;
 let Predicates = [HasFPU] in {
 def STFS : DForm_1<52, (outs), (ins f4rc:$rS, memri:$dst),
                    "stfs $rS, $dst", IIC_LdStSTFD,
                    [(store f32:$rS, iaddr:$dst)]>;
 def STFD : DForm_1<54, (outs), (ins f8rc:$rS, memri:$dst),
                    "stfd $rS, $dst", IIC_LdStSTFD,
                    [(store f64:$rS, iaddr:$dst)]>;
 }