+ tllvmtypeconvnode.second_int_to_bool() implementation

git-svn-id: branches/hlcgllvm@28370 -

compiler/llvm/nllvmcnv.pas

@@ -32,6 +32,7 @@ interface
        tllvmtypeconvnode = class(tcgtypeconvnode)
          protected
           function first_int_to_real: tnode; override;
+          function first_int_to_bool: tnode; override;
           procedure second_int_to_int;override;
          { procedure second_string_to_string;override; }
          { procedure second_cstring_to_pchar;override; }
@@ -45,7 +46,7 @@ interface
          { procedure second_cord_to_pointer;override; }
          { procedure second_proc_to_procvar;override; }
          { procedure second_bool_to_int;override; }
-         {  procedure second_int_to_bool;override; }
+         procedure second_int_to_bool;override;
          { procedure second_load_smallset;override;  }
          { procedure second_ansistring_to_pchar;override; }
          { procedure second_pchar_to_string;override; }
@@ -57,11 +58,12 @@ interface
 implementation
 
 uses
-  globtype,verbose,
+  globtype,globals,verbose,
-  aasmdata,
+  aasmbase,aasmdata,
   llvmbase,aasmllvm,
+  procinfo,
   symconst,symdef,defutil,
-  cgbase,cgutils,hlcgobj;
+  cgbase,cgutils,hlcgobj,pass_2;
 
 { tllvmtypeconvnode }
 
@@ -71,6 +73,15 @@ function tllvmtypeconvnode.first_int_to_real: tnode;
     result:=nil;
   end;
 
+
+function tllvmtypeconvnode.first_int_to_bool: tnode;
+  begin
+    result:=inherited;
+    if not assigned(result) then
+      expectloc:=LOC_JUMP;
+  end;
+
+
 procedure tllvmtypeconvnode.second_int_to_int;
   var
     fromsize, tosize: tcgint;
@@ -123,6 +134,48 @@ procedure tllvmtypeconvnode.second_int_to_real;
   end;
 
 
+procedure tllvmtypeconvnode.second_int_to_bool;
+  var
+    newsize  : tcgsize;
+  begin
+    secondpass(left);
+    if codegenerror then
+      exit;
+
+    { Explicit typecasts from any ordinal type to a boolean type }
+    { must not change the ordinal value                          }
+    if (nf_explicit in flags) and
+       not(left.location.loc in [LOC_FLAGS,LOC_JUMP]) then
+      begin
+         location_copy(location,left.location);
+         newsize:=def_cgsize(resultdef);
+         { change of size? change sign only if location is LOC_(C)REGISTER? Then we have to sign/zero-extend }
+         if (tcgsize2size[newsize]<>tcgsize2size[left.location.size]) or
+            ((newsize<>left.location.size) and (location.loc in [LOC_REGISTER,LOC_CREGISTER])) then
+           hlcg.location_force_reg(current_asmdata.CurrAsmList,location,left.resultdef,resultdef,true)
+         else
+           location.size:=newsize;
+         exit;
+      end;
+
+    location_reset(location,LOC_JUMP,OS_NO);
+    case left.location.loc of
+      LOC_SUBSETREG,LOC_CSUBSETREG,LOC_SUBSETREF,LOC_CSUBSETREF,
+      LOC_CREFERENCE,LOC_REFERENCE,LOC_REGISTER,LOC_CREGISTER:
+        begin
+          hlcg.a_cmp_const_loc_label(current_asmdata.CurrAsmList,left.resultdef,OC_EQ,0,left.location,current_procinfo.CurrFalseLabel);
+          hlcg.a_jmp_always(current_asmdata.CurrAsmList,current_procinfo.CurrTrueLabel);
+        end;
+      LOC_JUMP :
+        begin
+          { nothing to do, jumps already go to the right labels }
+        end;
+      else
+        internalerror(10062);
+    end;
+  end;
+
+
 procedure tllvmtypeconvnode.second_nothing;
   var
     hreg: tregister;