diff options
| -rw-r--r-- | tests/various/opt_expr.ys | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/various/opt_expr.ys b/tests/various/opt_expr.ys index 2165802d6..0c61ac881 100644 --- a/tests/various/opt_expr.ys +++ b/tests/various/opt_expr.ys @@ -25,6 +25,31 @@ sat -verify -prove-asserts -show-ports miter ########## read_verilog <<EOT +module opt_expr_add_signed_test(input signed [3:0] i, input signed [7:0] j, output signed [8:0] o); + assign o = (i << 4) + j; +endmodule +EOT + +hierarchy -auto-top +proc +design -save gold + +opt_expr -fine +wreduce + +select -assert-count 1 t:$add r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +design -stash gate + +design -import gold -as gold +design -import gate -as gate + +miter -equiv -flatten -make_assert -make_outputs gold gate miter +sat -verify -prove-asserts -show-ports miter + +########## + +read_verilog <<EOT module opt_expr_sub_test1(input [3:0] i, input [7:0] j, output [8:0] o); assign o = j - (i << 4); endmodule @@ -50,6 +75,31 @@ sat -verify -prove-asserts -show-ports miter ########## read_verilog <<EOT +module opt_expr_sub_signed_test1(input signed [3:0] i, input signed [7:0] j, output signed [8:0] o); + assign o = j - (i << 4); +endmodule +EOT + +hierarchy -auto-top +proc +design -save gold + +opt_expr -fine +wreduce + +select -assert-count 1 t:$sub r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +design -stash gate + +design -import gold -as gold +design -import gate -as gate + +miter -equiv -flatten -make_assert -make_outputs gold gate miter +sat -verify -prove-asserts -show-ports miter + +########## + +read_verilog <<EOT module opt_expr_sub_test2(input [3:0] i, input [7:0] j, output [8:0] o); assign o = (i << 4) - j; endmodule |