ivtest: add br_gh191_break and br_gh191_continue tests

ivtest/ivltests/br_gh191_break.v

@@ -0,0 +1,51 @@
+//
+// github Issue#191
+//
+module main;
+   integer idx;
+   initial begin
+      for(idx=0; idx < 5; idx=idx+1 ) begin
+	 if (idx >= 2)
+	   break;
+      end
+      if (idx != 2) begin
+	 $display("FAILED -- break from for loop");
+	 $finish;
+      end
+      
+      idx = 0;
+      forever begin
+	 idx += 1;
+	 if (idx >= 2)
+	   break;
+      end
+      if (idx != 2) begin
+	 $display("FAILED -- break from forever loop");
+	 $finish;
+      end
+
+      idx = 0;
+      while (idx < 5) begin
+	 if (idx >= 2)
+	   break;
+	 idx += 1;
+      end
+      if (idx != 2) begin
+	 $display("FAILED -- break from while loop");
+	 $finish;
+      end
+
+      idx = 0;
+      repeat (5) begin
+	 if (idx >= 2)
+	   break;
+	 idx += 1;
+      end
+      if (idx != 2) begin
+	 $display("FAILED -- break from repeat(5) loop");
+	 $finish;
+      end
+
+      $display("PASSED");
+   end
+endmodule

ivtest/ivltests/br_gh191_continue.v

@@ -0,0 +1,68 @@
+//
+// github Issue#191
+//
+module main;
+   integer idx;
+   initial begin
+
+      for(idx=0; idx < 5; idx=idx+1 ) begin
+	 if (idx < 2)
+	   continue;
+	 if (idx < 2) begin
+	    $display("FAILED -- continue in for-loop");
+	    $finish;
+	 end
+      end
+      if (idx != 5) begin
+	 $display("FAILED -- break from for loop");
+	 $finish;
+      end
+
+      idx = 0;
+      forever begin
+	 idx += 1;
+	 if (idx < 2)
+	   continue;
+	 if (idx < 2) begin
+	    $display("FAILED -- continue in forever-loop");
+	    $finish;
+	 end
+	 // Need a 'break', since that (and 'return') is the only
+	 // way to escape a 'forever' loop.
+	 break;
+      end
+      if (idx != 2) begin
+	 $display("FAILED -- break from forever loop");
+	 $finish;
+      end
+
+      idx = 0;
+      while (idx < 5) begin
+	 idx += 1;
+	 if (idx < 2)
+	   continue;
+	 if (idx < 2) begin
+	    $display("FAILED -- continue in while loop");
+	    $finish;
+	 end
+      end
+      if (idx != 5) begin
+	 $display("FAILED -- break from while loop");
+	 $finish;
+      end
+
+      idx = 0;
+      repeat (5) begin
+	 idx += 1;
+	 if (idx < 2)
+	   continue;
+	 idx += 1;
+      end
+      if (idx != 9) begin
+	 $display("FAILED -- continue from repeat(5) loop (idx=%0d)", idx);
+	 $finish;
+      end
+
+      $display("PASSED");
+   end
+endmodule

ivtest/regress-sv.list

@@ -173,6 +173,8 @@ br_gh167a		normal,-g2009		ivltests
 br_gh167b		normal,-g2009		ivltests
 br_gh177a		normal,-g2009		ivltests
 br_gh177b		normal,-g2009		ivltests
+br_gh191_break		normal,-g2009		ivltests
+br_gh191_continue	normal,-g2009		ivltests
 br_gh194		normal,-g2009		ivltests
 br_gh219		normal,-g2009		ivltests
 br_gh220		normal,-g2009		ivltests