diff options
Diffstat (limited to 'tests/opt')
28 files changed, 626 insertions, 28 deletions
diff --git a/tests/opt/opt_expr.ys b/tests/opt/opt_expr.ys new file mode 100644 index 000000000..f0306efa1 --- /dev/null +++ b/tests/opt/opt_expr.ys @@ -0,0 +1,223 @@ + +read_verilog <<EOT +module opt_expr_add_test(input [3:0] i, input [7:0] j, output [8:0] o); + assign o = (i << 4) + j; +endmodule +EOT + +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$add r:A_WIDTH=5 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########## + +# alumacc version of above +design -reset +read_verilog <<EOT +module opt_expr_add_test(input [3:0] i, input [7:0] j, output [8:0] o); + assign o = (i << 4) + j; +endmodule +EOT + +alumacc +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=5 r:Y_WIDTH=5 %i %i %i + +########## + +design -reset +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 + +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$add r:A_WIDTH=5 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########## + +# alumacc version of above +design -reset +read_verilog <<EOT +module opt_expr_add_signed_test(input signed [3:0] i, input signed [7:0] j, output signed [8:0] o); + assign o = (i << 4) + j; +endmodule +EOT + +alumacc +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=5 r:Y_WIDTH=5 %i %i %i + +########## + +design -reset +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 +EOT + +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$sub r:A_WIDTH=4 r:B_WIDTH=5 r:Y_WIDTH=5 %i %i %i + +########## + +# alumacc version of above +design -reset +read_verilog <<EOT +module opt_expr_sub_test1(input [3:0] i, input [7:0] j, output [8:0] o); + assign o = j - (i << 4); +endmodule +EOT + +alumacc +equiv_opt -assert opt_expr -fine +design -load postopt + +dump +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=5 r:Y_WIDTH=5 %i %i %i + +########## + +design -reset +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 + +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$sub r:A_WIDTH=4 r:B_WIDTH=5 r:Y_WIDTH=5 %i %i %i + +########## + +# alumacc version of above +design -reset +read_verilog <<EOT +module opt_expr_sub_signed_test1(input signed [3:0] i, input signed [7:0] j, output signed [8:0] o); + assign o = j - (i << 4); +endmodule +EOT + +alumacc +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=5 r:Y_WIDTH=5 %i %i %i + +########## + +design -reset +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 +EOT + +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$sub r:A_WIDTH=9 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i + +########## + +# alumacc version of above +design -reset +read_verilog <<EOT +module opt_expr_sub_test2(input [3:0] i, input [7:0] j, output [8:0] o); + assign o = (i << 4) - j; +endmodule +EOT + +alumacc +opt_expr -fine +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$alu r:A_WIDTH=9 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i + +########## + +design -reset +read_verilog <<EOT +module opt_expr_sub_test4(input [3:0] i, output [8:0] o); + assign o = 5'b00010 - i; +endmodule +EOT + +wreduce +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$sub r:A_WIDTH=2 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########## + +# alumacc version of above +design -reset +read_verilog <<EOT +module opt_expr_sub_test4(input [3:0] i, output [8:0] o); + assign o = 5'b00010 - i; +endmodule +EOT + +wreduce +alumacc +equiv_opt -assert opt_expr -fine +design -load postopt + +select -assert-count 1 t:$alu r:A_WIDTH=2 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########### + +design -reset +read_verilog -icells <<EOT +module opt_expr_alu_test_ci0_bi0(input [7:0] a, input [3:0] b, output [8:0] x, y, co); + \$alu #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(8), .B_WIDTH(8), .Y_WIDTH(9)) alu (.A(a), .B({b, 4'b0000}), .CI(1'b0), .BI(1'b0), .X(x), .Y(y), .CO(co)); +endmodule +EOT +check + +equiv_opt -assert opt_expr -fine +design -load postopt +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########### + +design -reset +read_verilog -icells <<EOT +module opt_expr_alu_test_ci1_bi1(input [7:0] a, input [3:0] b, output [8:0] x, y, co); + \$alu #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(8), .B_WIDTH(8), .Y_WIDTH(9)) alu (.A(a), .B({b, 4'b0000}), .CI(1'b1), .BI(1'b1), .X(x), .Y(y), .CO(co)); +endmodule +EOT +check + +equiv_opt opt_expr -fine +design -load postopt +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########### + +design -reset +read_verilog -icells <<EOT +module opt_expr_alu_test_ci0_bi1(input [7:0] a, input [3:0] b, output [8:0] x, y, co); + \$alu #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(8), .B_WIDTH(8), .Y_WIDTH(9)) alu (.A(a), .B({b, 4'b0000}), .CI(1'b0), .BI(1'b1), .X(x), .Y(y), .CO(co)); +endmodule +EOT +check + +equiv_opt opt_expr -fine +design -load postopt +select -assert-count 1 t:$alu r:A_WIDTH=8 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i diff --git a/tests/opt/opt_ff.v b/tests/opt/opt_ff.v deleted file mode 100644 index a01b64b61..000000000 --- a/tests/opt/opt_ff.v +++ /dev/null @@ -1,21 +0,0 @@ -module top( - input clk, - input rst, - input [2:0] a, - output [1:0] b -); - reg [2:0] b_reg; - initial begin - b_reg <= 3'b0; - end - - assign b = b_reg[1:0]; - always @(posedge clk or posedge rst) begin - if(rst) begin - b_reg <= 3'b0; - end else begin - b_reg <= a; - end - end -endmodule - diff --git a/tests/opt/opt_ff.ys b/tests/opt/opt_ff.ys deleted file mode 100644 index 704c7acf3..000000000 --- a/tests/opt/opt_ff.ys +++ /dev/null @@ -1,3 +0,0 @@ -read_verilog opt_ff.v -synth_ice40 -ice40_unlut diff --git a/tests/opt/opt_lut.ys b/tests/opt/opt_lut.ys index 59b12c351..a9fccbb62 100644 --- a/tests/opt/opt_lut.ys +++ b/tests/opt/opt_lut.ys @@ -1,4 +1,2 @@ read_verilog opt_lut.v -synth_ice40 -ice40_unlut -equiv_opt -map +/ice40/cells_sim.v -assert opt_lut -dlogic SB_CARRY:I0=1:I1=2:CI=3 +equiv_opt -map +/ice40/cells_sim.v -assert synth_ice40 diff --git a/tests/opt/opt_rmdff.v b/tests/opt/opt_rmdff.v new file mode 100644 index 000000000..b1c06703c --- /dev/null +++ b/tests/opt/opt_rmdff.v @@ -0,0 +1,50 @@ +module opt_rmdff_test (input C, input D, input E, output [29:0] Q); +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove0 (.CLK(C), .D(D), .EN(1'b0), .Q(Q[0])); // EN is never active +(* init = "1'b1" *) wire Q1; assign Q[1] = Q1; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove1 (.CLK(C), .D(D), .EN(1'b0), .Q(Q1)); // EN is never active +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove2 (.CLK(C), .D(D), .EN(1'bx), .Q(Q[2])); // EN is don't care +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) keep3 (.CLK(C), .D(D), .EN(1'b1), .Q(Q[3])); // EN is always active +(* init = "1'b0" *) wire Q4; assign Q[4] = Q4; +\$dffe #(.WIDTH(1), .CLK_POLARITY(0), .EN_POLARITY(1)) keep4 (.CLK(C), .D(D), .EN(1'b1), .Q(Q4)); // EN is always active +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(0)) remove5 (.CLK(C), .D(D), .EN(1'b1), .Q(Q[5])); // EN is never active +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(0)) remove6 (.CLK(C), .D(D), .EN(1'bx), .Q(Q[6])); // EN is don't care +(* init = "1'b0" *) wire Q7; assign Q[7] = Q7; +\$dffe #(.WIDTH(1), .CLK_POLARITY(0), .EN_POLARITY(0)) keep7 (.CLK(C), .D(D), .EN(E), .Q(Q7)); // EN is non constant + +\$_DFFE_PP_ remove8 (.C(C), .D(D), .E(1'b0), .Q(Q[8])); // EN is never active +(* init = "1'b1" *) wire Q9; assign Q[9] = Q9; +\$_DFFE_PP_ remove9 (.C(C), .D(D), .E(1'b0), .Q(Q9)); // EN is never active +\$_DFFE_PP_ remove10 (.C(C), .D(D), .E(1'bx), .Q(Q[10])); // EN is don't care +\$_DFFE_PP_ keep11 (.C(C), .D(D), .E(1'b1), .Q(Q[11])); // EN is always active +(* init = "1'b0" *) wire Q12; assign Q[12] = Q12; +\$_DFFE_PP_ keep12 (.C(C), .D(D), .E(1'b1), .Q(Q12)); // EN is always active + +\$_DFFE_NN_ remove13 (.C(C), .D(D), .E(1'b1), .Q(Q[13])); // EN is never active +(* init = "1'b1" *) wire Q14; assign Q[14] = Q14; +\$_DFFE_NN_ remove14 (.C(C), .D(D), .E(1'b1), .Q(Q14)); // EN is never active +\$_DFFE_NN_ remove15 (.C(C), .D(D), .E(1'bx), .Q(Q[15])); // EN is don't care +\$_DFFE_NN_ keep16 (.C(C), .D(D), .E(1'b0), .Q(Q[16])); // EN is always active +(* init = "1'b0" *) wire Q17; assign Q[17] = Q17; +\$_DFFE_NN_ keep17 (.C(C), .D(D), .E(1'b0), .Q(Q17)); // EN is always active + +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove18 (.CLK(1'b0), .D(D), .EN(E), .Q(Q[18])); // CLK is constant +(* init = "1'b1" *) wire Q19; assign Q[19] = Q19; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove19 (.CLK(1'b1), .D(D), .EN(E), .Q(Q19)); // CLK is constant +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove20 (.CLK(C), .D(1'bx), .EN(E), .Q(Q[20])); // D is undriven, Q has no initial value +(* init = "1'b0" *) wire Q21; assign Q[21] = Q21; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) keep21 (.CLK(C), .D(1'bx), .EN(E), .Q(Q21)); // D is undriven, Q has initial value +//\$dffe #(.WIDTH(1), .CLK_POLARITY(0), .EN_POLARITY(1)) remove22 (.CLK(C), .D(1'b0), .EN(1'b1), .Q(Q[22])); // D is constant, no initial Q value, EN is always active +// // (TODO, Q starts with 1'bx and becomes 1'b0) +(* init = "1'b0" *) wire Q23; assign Q[23] = Q23; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) noenable23 (.CLK(C), .D(1'b0), .EN(1'b1), .Q(Q23)); // D is constant, initial Q value same as D, EN is always active +(* init = "1'b1" *) wire Q24; assign Q[24] = Q24; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(0)) keep24 (.CLK(C), .D(1'b0), .EN(1'b0), .Q(Q24)); // D is constant, initial Q value NOT same as D, EN is always active +(* init = "1'b1" *) wire Q25; assign Q[25] = Q25; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(0)) remove25 (.CLK(C), .D(1'b0), .EN(1'b1), .Q(Q25)); // D is constant, EN is never active +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) remove26 (.CLK(C), .D(Q[26]), .EN(1'b1), .Q(Q[26])); // D is Q, EN is always active +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(0)) remove27 (.CLK(C), .D(Q[27]), .EN(1'b1), .Q(Q[27])); // D is Q, EN is never active, but no initial value +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(0)) remove28 (.CLK(C), .D(Q[28]), .EN(E), .Q(Q[28])); // EN is nonconst, but no initial value +(* init = "1'b1" *) wire Q29; assign Q[29] = Q29; +\$dffe #(.WIDTH(1), .CLK_POLARITY(1), .EN_POLARITY(1)) keep29 (.CLK(C), .D(Q[29]), .EN(1'b1), .Q(Q29)); // EN is always active, but with initial value + +endmodule diff --git a/tests/opt/opt_rmdff.ys b/tests/opt/opt_rmdff.ys new file mode 100644 index 000000000..83a162f44 --- /dev/null +++ b/tests/opt/opt_rmdff.ys @@ -0,0 +1,26 @@ +read_verilog -icells opt_rmdff.v +prep +design -stash gold +read_verilog -icells opt_rmdff.v +proc +opt_rmdff + +select -assert-count 0 c:remove* +select -assert-min 7 c:keep* +select -assert-count 0 t:$dffe 7:$_DFFE_* %u c:noenable* %i + +design -stash gate + +design -import gold -as gold +design -import gate -as gate + +equiv_make gold gate equiv +hierarchy -top equiv +equiv_simple -undef +equiv_status -assert + +#design -load gold +#stat +# +#design -load gate +#stat diff --git a/tests/opt/opt_ff_sat.v b/tests/opt/opt_rmdff_sat.v index 5a0a6fe37..5a0a6fe37 100644 --- a/tests/opt/opt_ff_sat.v +++ b/tests/opt/opt_rmdff_sat.v diff --git a/tests/opt/opt_ff_sat.ys b/tests/opt/opt_rmdff_sat.ys index 4e7cc6ca4..1c3dd9c05 100644 --- a/tests/opt/opt_ff_sat.ys +++ b/tests/opt/opt_rmdff_sat.ys @@ -1,4 +1,4 @@ -read_verilog opt_ff_sat.v +read_verilog opt_rmdff_sat.v prep -flatten opt_rmdff -sat synth diff --git a/tests/opt/opt_share_add_sub.v b/tests/opt/opt_share_add_sub.v new file mode 100644 index 000000000..d918f27cc --- /dev/null +++ b/tests/opt/opt_share_add_sub.v @@ -0,0 +1,10 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input sel, + output [15:0] res, + ); + + assign res = {sel ? a + b : a - b}; + +endmodule diff --git a/tests/opt/opt_share_add_sub.ys b/tests/opt/opt_share_add_sub.ys new file mode 100644 index 000000000..4a5406791 --- /dev/null +++ b/tests/opt/opt_share_add_sub.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_add_sub.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 1 -module merged t:$alu diff --git a/tests/opt/opt_share_cat.v b/tests/opt/opt_share_cat.v new file mode 100644 index 000000000..7fb97fef5 --- /dev/null +++ b/tests/opt/opt_share_cat.v @@ -0,0 +1,15 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [15:0] d, + input sel, + output [63:0] res, + ); + + reg [31: 0] cat1 = {a+b, c+d}; + reg [31: 0] cat2 = {a-b, c-d}; + + assign res = {b, sel ? cat1 : cat2, a}; + +endmodule diff --git a/tests/opt/opt_share_cat.ys b/tests/opt/opt_share_cat.ys new file mode 100644 index 000000000..7de69bfde --- /dev/null +++ b/tests/opt/opt_share_cat.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_cat.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 2 -module merged t:$alu diff --git a/tests/opt/opt_share_cat_multiuser.v b/tests/opt/opt_share_cat_multiuser.v new file mode 100644 index 000000000..b250689d9 --- /dev/null +++ b/tests/opt/opt_share_cat_multiuser.v @@ -0,0 +1,22 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [15:0] d, + input sel, + output reg [47:0] res, + ); + + wire [15:0] add_res = a+b; + wire [15:0] sub_res = a-b; + wire [31: 0] cat1 = {add_res, c+d}; + wire [31: 0] cat2 = {sub_res, c-d}; + + always @* begin + case(sel) + 0: res = {cat1, add_res}; + 1: res = {cat2, add_res}; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_cat_multiuser.ys b/tests/opt/opt_share_cat_multiuser.ys new file mode 100644 index 000000000..6a82fbd79 --- /dev/null +++ b/tests/opt/opt_share_cat_multiuser.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_cat_multiuser.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 3 -module merged t:$alu diff --git a/tests/opt/opt_share_diff_port_widths.v b/tests/opt/opt_share_diff_port_widths.v new file mode 100644 index 000000000..1a37c80a6 --- /dev/null +++ b/tests/opt/opt_share_diff_port_widths.v @@ -0,0 +1,21 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [1:0] sel, + output reg [15:0] res + ); + + wire [15:0] add0_res = a+b; + wire [15:0] add1_res = a+c; + + always @* begin + case(sel) + 0: res = add0_res[10:0]; + 1: res = add1_res[10:0]; + 2: res = a - b; + default: res = 32'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_diff_port_widths.ys b/tests/opt/opt_share_diff_port_widths.ys new file mode 100644 index 000000000..ec5e9f7b0 --- /dev/null +++ b/tests/opt/opt_share_diff_port_widths.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_diff_port_widths.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 2 -module merged t:$alu diff --git a/tests/opt/opt_share_extend.v b/tests/opt/opt_share_extend.v new file mode 100644 index 000000000..d39f19069 --- /dev/null +++ b/tests/opt/opt_share_extend.v @@ -0,0 +1,18 @@ +module opt_share_test( + input signed [7:0] a, + input signed [10:0] b, + input signed [15:0] c, + input [1:0] sel, + output reg signed [15:0] res + ); + + always @* begin + case(sel) + 0: res = a + b; + 1: res = a - b; + 2: res = a + c; + default: res = 16'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_extend.ys b/tests/opt/opt_share_extend.ys new file mode 100644 index 000000000..c553ee0fb --- /dev/null +++ b/tests/opt/opt_share_extend.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_extend.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 1 -module merged t:$alu diff --git a/tests/opt/opt_share_large_pmux_cat.v b/tests/opt/opt_share_large_pmux_cat.v new file mode 100644 index 000000000..416ba3766 --- /dev/null +++ b/tests/opt/opt_share_large_pmux_cat.v @@ -0,0 +1,21 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [2:0] sel, + output reg [31:0] res + ); + + always @* begin + case(sel) + 0: res = {a + b, a}; + 1: res = {a - b, b}; + 2: res = {a + c, c}; + 3: res = {a - c, a}; + 4: res = {b, b}; + 5: res = {c, c}; + default: res = 32'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_large_pmux_cat.ys b/tests/opt/opt_share_large_pmux_cat.ys new file mode 100644 index 000000000..4186ca52e --- /dev/null +++ b/tests/opt/opt_share_large_pmux_cat.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_large_pmux_cat.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 1 -module merged t:$alu diff --git a/tests/opt/opt_share_large_pmux_cat_multipart.v b/tests/opt/opt_share_large_pmux_cat_multipart.v new file mode 100644 index 000000000..34d2bd9a8 --- /dev/null +++ b/tests/opt/opt_share_large_pmux_cat_multipart.v @@ -0,0 +1,25 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [15:0] d, + input [2:0] sel, + output reg [31:0] res + ); + + wire [15:0] add0_res = a+d; + + always @* begin + case(sel) + 0: res = {add0_res, a}; + 1: res = {a - b, add0_res[7], 15'b0}; + 2: res = {b-a, b}; + 3: res = {d, b - c}; + 4: res = {d, b - a}; + 5: res = {c, d}; + 6: res = {a - c, b-d}; + default: res = 32'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_large_pmux_cat_multipart.ys b/tests/opt/opt_share_large_pmux_cat_multipart.ys new file mode 100644 index 000000000..610bb8c6c --- /dev/null +++ b/tests/opt/opt_share_large_pmux_cat_multipart.ys @@ -0,0 +1,14 @@ +read_verilog opt_share_large_pmux_cat_multipart.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged + +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 4 -module merged t:$alu diff --git a/tests/opt/opt_share_large_pmux_multipart.v b/tests/opt/opt_share_large_pmux_multipart.v new file mode 100644 index 000000000..535adf96f --- /dev/null +++ b/tests/opt/opt_share_large_pmux_multipart.v @@ -0,0 +1,23 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [15:0] d, + input [2:0] sel, + output reg [15:0] res + ); + + always @* begin + case(sel) + 0: res = a + d; + 1: res = a - b; + 2: res = b; + 3: res = b - c; + 4: res = b - a; + 5: res = c; + 6: res = a - c; + default: res = 16'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_large_pmux_multipart.ys b/tests/opt/opt_share_large_pmux_multipart.ys new file mode 100644 index 000000000..11182df1a --- /dev/null +++ b/tests/opt/opt_share_large_pmux_multipart.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_large_pmux_multipart.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 2 -module merged t:$alu diff --git a/tests/opt/opt_share_large_pmux_part.v b/tests/opt/opt_share_large_pmux_part.v new file mode 100644 index 000000000..a9008fb5a --- /dev/null +++ b/tests/opt/opt_share_large_pmux_part.v @@ -0,0 +1,21 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [2:0] sel, + output reg [15:0] res + ); + + always @* begin + case(sel) + 0: res = a + b; + 1: res = a - b; + 2: res = a + c; + 3: res = a - c; + 4: res = b; + 5: res = c; + default: res = 16'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_large_pmux_part.ys b/tests/opt/opt_share_large_pmux_part.ys new file mode 100644 index 000000000..6b594a3d6 --- /dev/null +++ b/tests/opt/opt_share_large_pmux_part.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_large_pmux_part.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 1 -module merged t:$alu diff --git a/tests/opt/opt_share_mux_tree.v b/tests/opt/opt_share_mux_tree.v new file mode 100644 index 000000000..cc5ae4eb9 --- /dev/null +++ b/tests/opt/opt_share_mux_tree.v @@ -0,0 +1,18 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [1:0] sel, + output reg [15:0] res + ); + + always @* begin + case(sel) + 0: res = a + b; + 1: res = a - b; + 2: res = a + c; + default: res = 16'bx; + endcase + end + +endmodule diff --git a/tests/opt/opt_share_mux_tree.ys b/tests/opt/opt_share_mux_tree.ys new file mode 100644 index 000000000..58473039f --- /dev/null +++ b/tests/opt/opt_share_mux_tree.ys @@ -0,0 +1,13 @@ +read_verilog opt_share_mux_tree.v +proc;; +copy opt_share_test merged + +alumacc merged +opt merged +opt_share merged +opt_clean merged + +miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter +sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter + +select -assert-count 1 -module merged t:$alu |