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| -rw-r--r-- | tests/various/peepopt.ys | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/various/peepopt.ys b/tests/various/peepopt.ys index 2a660d5c9..8dce679ff 100644 --- a/tests/various/peepopt.ys +++ b/tests/various/peepopt.ys @@ -78,3 +78,35 @@ clean select -assert-count 1 t:$dff r:WIDTH=2 %i select -assert-count 1 t:$mux r:WIDTH=2 %i select -assert-count 0 t:$dff t:$mux %% t:* %D + +################### + +design -reset +read_verilog <<EOT +module peepopt_dffmuxext_const(input clk, ce, input [1:0] i, output reg [5:0] o); + always @(posedge clk) if (ce) o <= {1'b0, i[1], 2'b1x, i[0], 1'bz}; +endmodule +EOT + +proc +equiv_opt -assert peepopt +design -load postopt +select -assert-count 1 t:$dff r:WIDTH=2 %i +select -assert-count 1 t:$mux r:WIDTH=2 %i +select -assert-count 0 t:$dff t:$mux %% t:* %D + +################### + +design -reset +read_verilog <<EOT +module peepopt_dffmuxext_const_init(input clk, ce, input [1:0] i, (* init=6'b0x00x1 *) output reg [5:0] o); + always @(posedge clk) if (ce) o <= {1'b0, i[1], 2'b1x, i[0], 1'bz}; +endmodule +EOT + +proc +equiv_opt -assert peepopt +design -load postopt +select -assert-count 1 t:$dff r:WIDTH=5 %i +select -assert-count 1 t:$mux r:WIDTH=5 %i +select -assert-count 0 t:$dff t:$mux %% t:* %D |