Remove Unused RTLSYMs from DMD (#21032)

* Remove RTLSYM for Translation PR #15819: Removed NEWARRAYMITX, NEWARRAYMITX, TRACENEWARRAYMTX and TRACENEWARRAYMITX

* Remove RTLSYM for Translation PR #15299: Removed NEWARRAYT, NEWARRAYIT, TRACENEWARRAYT and TRACENEWARRAYIT

* Remove RTLSYM for Translation PR #14837: Removed NEWCLASS, TRACENEWCLASS

* Remove RTLSYM for Translation PR #14664: Removed NEWITEMT, NEWITEMIT, TRACENEWITEMT and TRACENEWITEMIT

* Remove RTLSYM for Translation PR #14550: Removed ARRAYCATNTX, ARRAYCATT, TRACEARRAYCATNTX and TRACEARRAYCATT

* Remove RTLSYM for Translation PR #14382: Removed ARRAYSETASSIGN

* Remove RTLSYM for Translation PR #14310: Removed ARRAYASSIGN

* Remove RTLSYM for Translation PR #13495: Removed ARRAYAPPENDT, ARRAYAPPENDCTX, TRACEARRAYAPPENDT and TRACEARRAYAPPENDCTX

compiler/src/dmd/backend/drtlsym.d

@@ -103,13 +103,7 @@ Symbol* getRtlsym(RTLSYM i) @trusted
         case RTLSYM.MEMSETDOUBLE:           symbolz(ps,FL.func,FREGSAVED,"_memsetDouble", 0, t); break;
         case RTLSYM.MEMSETSIMD:             symbolz(ps,FL.func,FREGSAVED,"_memsetSIMD",0, t); break;
         case RTLSYM.MEMSETN:                symbolz(ps,FL.func,FREGSAVED,"_memsetn",  0, t); break;
-        case RTLSYM.NEWCLASS:               symbolz(ps,FL.func,FREGSAVED,"_d_newclass", 0, t); break;
         case RTLSYM.NEWTHROW:               symbolz(ps,FL.func,FREGSAVED,"_d_newThrowable", 0, t); break;
-        case RTLSYM.NEWARRAYT:              symbolz(ps,FL.func,FREGSAVED,"_d_newarrayT", 0, t); break;
-        case RTLSYM.NEWARRAYIT:             symbolz(ps,FL.func,FREGSAVED,"_d_newarrayiT", 0, t); break;
-        case RTLSYM.NEWITEMT:               symbolz(ps,FL.func,FREGSAVED,"_d_newitemT", 0, t); break;
-        case RTLSYM.NEWITEMIT:              symbolz(ps,FL.func,FREGSAVED,"_d_newitemiT", 0, t); break;
-        case RTLSYM.NEWARRAYMITX:           symbolz(ps,FL.func,FREGSAVED,"_d_newarraymiTX", 0, t); break;
         case RTLSYM.ARRAYLITERALTX:         symbolz(ps,FL.func,FREGSAVED,"_d_arrayliteralTX", 0, t); break;
         case RTLSYM.ASSOCARRAYLITERALTX:    symbolz(ps,FL.func,FREGSAVED,"_d_assocarrayliteralTX", 0, t); break;
         case RTLSYM.CALLFINALIZER:          symbolz(ps,FL.func,FREGSAVED,"_d_callfinalizer", 0, t); break;
@@ -120,18 +114,13 @@ Symbol* getRtlsym(RTLSYM i) @trusted
         case RTLSYM.CLASS_CAST:             symbolz(ps,FL.func,FREGSAVED,"_d_class_cast", 0, t); break;
         case RTLSYM.INTERFACE_CAST:         symbolz(ps,FL.func,FREGSAVED,"_d_interface_cast", 0, t); break;
         case RTLSYM.ARRAYCATT:              symbolz(ps,FL.func,FREGSAVED,"_d_arraycatT", 0, t); break;
-        case RTLSYM.ARRAYCATNTX:            symbolz(ps,FL.func,FREGSAVED,"_d_arraycatnTX", 0, t); break;
-        case RTLSYM.ARRAYAPPENDT:           symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendT", 0, t); break;
-        case RTLSYM.ARRAYAPPENDCTX:         symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendcTX", 0, t); break;
         case RTLSYM.ARRAYAPPENDCD:          symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendcd", 0, t); break;
         case RTLSYM.ARRAYAPPENDWD:          symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendwd", 0, t); break;
         case RTLSYM.ARRAYSETLENGTHT:        symbolz(ps,FL.func,FREGSAVED,"_d_arraysetlengthT", 0, t); break;
         case RTLSYM.ARRAYSETLENGTHIT:       symbolz(ps,FL.func,FREGSAVED,"_d_arraysetlengthiT", 0, t); break;
         case RTLSYM.ARRAYCOPY:              symbolz(ps,FL.func,FREGSAVED,"_d_arraycopy", 0, t); break;
-        case RTLSYM.ARRAYASSIGN:            symbolz(ps,FL.func,FREGSAVED,"_d_arrayassign", 0, t); break;
         case RTLSYM.ARRAYASSIGN_R:          symbolz(ps,FL.func,FREGSAVED,"_d_arrayassign_r", 0, t); break;
         case RTLSYM.ARRAYASSIGN_L:          symbolz(ps,FL.func,FREGSAVED,"_d_arrayassign_l", 0, t); break;
-        case RTLSYM.ARRAYSETASSIGN:         symbolz(ps,FL.func,FREGSAVED,"_d_arraysetassign", 0, t); break;
         case RTLSYM.ARRAYEQ2:               symbolz(ps,FL.func,FREGSAVED,"_adEq2", 0, t); break;
 
         /* Associative Arrays https://github.com/dlang/dmd/blob/master/druntime/src/rt/aaA.d */
@@ -173,21 +162,11 @@ Symbol* getRtlsym(RTLSYM i) @trusted
         case RTLSYM.TRACE_EPI_N:            symbolz(ps,FL.func,ALLREGS|mBP|mES,"_trace_epi_n",0,tstrace); break;
         case RTLSYM.TRACE_EPI_F:            symbolz(ps,FL.func,ALLREGS|mBP|mES,"_trace_epi_f",0,tstrace); break;
 
-        case RTLSYM.TRACENEWCLASS:          symbolz(ps,FL.func,FREGSAVED,"_d_newclassTrace", 0, t); break;
+
-        case RTLSYM.TRACENEWARRAYT:         symbolz(ps,FL.func,FREGSAVED,"_d_newarrayTTrace", 0, t); break;
-        case RTLSYM.TRACENEWARRAYIT:        symbolz(ps,FL.func,FREGSAVED,"_d_newarrayiTTrace", 0, t); break;
-        case RTLSYM.TRACENEWARRAYMTX:       symbolz(ps,FL.func,FREGSAVED,"_d_newarraymTXTrace", 0, t); break;
-        case RTLSYM.TRACENEWARRAYMITX:      symbolz(ps,FL.func,FREGSAVED,"_d_newarraymiTXTrace", 0, t); break;
-        case RTLSYM.TRACENEWITEMT:          symbolz(ps,FL.func,FREGSAVED,"_d_newitemTTrace", 0, t); break;
-        case RTLSYM.TRACENEWITEMIT:         symbolz(ps,FL.func,FREGSAVED,"_d_newitemiTTrace", 0, t); break;
         case RTLSYM.TRACECALLFINALIZER:     symbolz(ps,FL.func,FREGSAVED,"_d_callfinalizerTrace", 0, t); break;
         case RTLSYM.TRACECALLINTERFACEFINALIZER: symbolz(ps,FL.func,FREGSAVED,"_d_callinterfacefinalizerTrace", 0, t); break;
         case RTLSYM.TRACEARRAYLITERALTX:    symbolz(ps,FL.func,FREGSAVED,"_d_arrayliteralTXTrace", 0, t); break;
         case RTLSYM.TRACEASSOCARRAYLITERALTX: symbolz(ps,FL.func,FREGSAVED,"_d_assocarrayliteralTXTrace", 0, t); break;
-        case RTLSYM.TRACEARRAYCATT:         symbolz(ps,FL.func,FREGSAVED,"_d_arraycatTTrace", 0, t); break;
-        case RTLSYM.TRACEARRAYCATNTX:       symbolz(ps,FL.func,FREGSAVED,"_d_arraycatnTXTrace", 0, t); break;
-        case RTLSYM.TRACEARRAYAPPENDT:      symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendTTrace", 0, t); break;
-        case RTLSYM.TRACEARRAYAPPENDCTX:    symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendcTXTrace", 0, t); break;
         case RTLSYM.TRACEARRAYAPPENDCD:     symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendcdTrace", 0, t); break;
         case RTLSYM.TRACEARRAYAPPENDWD:     symbolz(ps,FL.func,FREGSAVED,"_d_arrayappendwdTrace", 0, t); break;
         case RTLSYM.TRACEARRAYSETLENGTHT:   symbolz(ps,FL.func,FREGSAVED,"_d_arraysetlengthTTrace", 0, t); break;

compiler/src/dmd/backend/rtlsym.d

@@ -47,14 +47,8 @@ enum RTLSYM
     MEMSETDOUBLE,
     MEMSETSIMD,
     MEMSETN,
-    NEWCLASS,
     NEWTHROW,
-    NEWARRAYT,
+
-    NEWARRAYIT,
-    NEWITEMT,
-    NEWITEMIT,
-    NEWARRAYMTX,
-    NEWARRAYMITX,
     ARRAYLITERALTX,
     ASSOCARRAYLITERALTX,
     CALLFINALIZER,
@@ -65,18 +59,13 @@ enum RTLSYM
     CLASS_CAST,
     INTERFACE_CAST,
     ARRAYCATT,
-    ARRAYCATNTX,
-    ARRAYAPPENDT,
-    ARRAYAPPENDCTX,
     ARRAYAPPENDCD,
     ARRAYAPPENDWD,
     ARRAYSETLENGTHT,
     ARRAYSETLENGTHIT,
     ARRAYCOPY,
-    ARRAYASSIGN,
     ARRAYASSIGN_R,
     ARRAYASSIGN_L,
-    ARRAYSETASSIGN,
     ARRAYEQ2,
     AANEW,
     AAEQUAL,
@@ -116,21 +105,11 @@ enum RTLSYM
     TRACE_EPI_N,
     TRACE_EPI_F,
 
-    TRACENEWCLASS,
+
-    TRACENEWARRAYT,
-    TRACENEWARRAYIT,
-    TRACENEWARRAYMTX,
-    TRACENEWARRAYMITX,
-    TRACENEWITEMT,
-    TRACENEWITEMIT,
     TRACECALLFINALIZER,
     TRACECALLINTERFACEFINALIZER,
     TRACEARRAYLITERALTX,
     TRACEASSOCARRAYLITERALTX,
-    TRACEARRAYCATT,
-    TRACEARRAYCATNTX,
-    TRACEARRAYAPPENDT,
-    TRACEARRAYAPPENDCTX,
     TRACEARRAYAPPENDCD,
     TRACEARRAYAPPENDWD,
     TRACEARRAYSETLENGTHT,

compiler/src/dmd/e2ir.d

@@ -326,12 +326,6 @@ void toTraceGC(ref IRState irs, elem* e, Loc loc)
 {
     static immutable RTLSYM[2][25] map =
     [
-        [ RTLSYM.NEWCLASS, RTLSYM.TRACENEWCLASS ],
-        [ RTLSYM.NEWITEMT, RTLSYM.TRACENEWITEMT ],
-        [ RTLSYM.NEWITEMIT, RTLSYM.TRACENEWITEMIT ],
-        [ RTLSYM.NEWARRAYT, RTLSYM.TRACENEWARRAYT ],
-        [ RTLSYM.NEWARRAYIT, RTLSYM.TRACENEWARRAYIT ],
-        [ RTLSYM.NEWARRAYMITX, RTLSYM.TRACENEWARRAYMITX ],
 
         [ RTLSYM.CALLFINALIZER, RTLSYM.TRACECALLFINALIZER ],
         [ RTLSYM.CALLINTERFACEFINALIZER, RTLSYM.TRACECALLINTERFACEFINALIZER ],
@@ -339,13 +333,10 @@ void toTraceGC(ref IRState irs, elem* e, Loc loc)
         [ RTLSYM.ARRAYLITERALTX, RTLSYM.TRACEARRAYLITERALTX ],
         [ RTLSYM.ASSOCARRAYLITERALTX, RTLSYM.TRACEASSOCARRAYLITERALTX ],
 
-        [ RTLSYM.ARRAYCATT, RTLSYM.TRACEARRAYCATT ],
-        [ RTLSYM.ARRAYCATNTX, RTLSYM.TRACEARRAYCATNTX ],
 
         [ RTLSYM.ARRAYAPPENDCD, RTLSYM.TRACEARRAYAPPENDCD ],
         [ RTLSYM.ARRAYAPPENDWD, RTLSYM.TRACEARRAYAPPENDWD ],
-        [ RTLSYM.ARRAYAPPENDT, RTLSYM.TRACEARRAYAPPENDT ],
+
-        [ RTLSYM.ARRAYAPPENDCTX, RTLSYM.TRACEARRAYAPPENDCTX ],
 
         [ RTLSYM.ARRAYSETLENGTHT, RTLSYM.TRACEARRAYSETLENGTHT ],
         [ RTLSYM.ARRAYSETLENGTHIT, RTLSYM.TRACEARRAYSETLENGTHIT ],