3 files changed, 56 insertions, 0 deletions
diff --git a/tests/various/bug1781.ys b/tests/various/bug1781.ys
new file mode 100644
index 000000000..60dcc0830
--- /dev/null
+++ b/tests/various/bug1781.ys
@@ -0,0 +1,33 @@
+read_verilog <<EOT
+
+module top(input clk, input rst);
+
+reg [1:0] state;
+
+always @(posedge clk, posedge rst) begin
+	if (rst)
+		state <= 0;
+	else
+		case (state)
+			2'b00: state <= 2'b01;
+			2'b01: state <= 2'b10;
+			2'b10: state <= 2'b00;
+		endcase
+end
+
+sub sub_i(.i(state == 0));
+
+endmodule
+
+
+(* blackbox, keep *)
+module sub(input i);
+endmodule
+
+EOT
+
+proc
+fsm
+
+# Make sure there is a driver
+select -assert-any t:sub %ci %a w:* %i %ci c:* %i
diff --git a/tests/various/exec.ys b/tests/various/exec.ys
new file mode 100644
index 000000000..0eec00719
--- /dev/null
+++ b/tests/various/exec.ys
@@ -0,0 +1,6 @@
+exec -expect-return 0 -- exit 0
+exec -expect-return 27 -- exit 27
+exec -expect-stdout nana -expect-stdout api -not-expect-stdout giraffe -- echo "bananapie"
+
+logger -expect error "stdout did have a line" 1
+exec -not-expect-stdout giraffe -- echo "giraffe"
diff --git a/tests/various/ice40_mince_abc9.ys b/tests/various/ice40_mince_abc9.ys
new file mode 100644
index 000000000..408e16f05
--- /dev/null
+++ b/tests/various/ice40_mince_abc9.ys
@@ -0,0 +1,17 @@
+read_verilog <<EOT
+
+module top(input clk, ce, input [2:0] a, b, output reg [2:0] q);
+
+	reg [2:0] aa, bb;
+
+	always @(posedge clk) begin
+		if (ce) begin
+			aa <= a;
+		end
+		bb <= b;
+		q <= aa + bb;
+	end
+endmodule
+EOT
+
+synth_ice40 -abc9 -dffe_min_ce_use 4