diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/various/peepopt.ys | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/tests/various/peepopt.ys b/tests/various/peepopt.ys index 886c8cd9d..6bca62e2b 100644 --- a/tests/various/peepopt.ys +++ b/tests/various/peepopt.ys @@ -16,7 +16,7 @@ select -assert-count 0 t:$shiftx t:* %D design -reset read_verilog <<EOT module peepopt_shiftmul_1 (output [7:0] y, input [2:0] w); -assign y = 1'b1 >> (w * (8'b110)); +assign y = 1'b1 >> (w * (3'b110)); endmodule EOT @@ -25,7 +25,31 @@ equiv_opt -assert peepopt design -load postopt clean select -assert-count 1 t:$shr -select -assert-count 0 t:$mul +select -assert-count 1 t:$mul +select -assert-count 0 t:$shr t:$mul %% t:* %D + +#################### + +design -reset +read_verilog <<EOT +module peepopt_shiftmul_2 (input [11:0] D, input [1:0] S, output [11:0] Y); + assign Y = D >> (S*3); +endmodule +EOT + +prep +design -save gold +peepopt +design -stash gate + +design -import gold -as gold peepopt_shiftmul_2 +design -import gate -as gate peepopt_shiftmul_2 + +miter -equiv -make_assert -make_outputs -ignore_gold_x -flatten gold gate miter +sat -show-public -enable_undef -prove-asserts miter +cd gate +select -assert-count 1 t:$shr +select -assert-count 1 t:$mul select -assert-count 0 t:$shr t:$mul %% t:* %D #################### |