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authorEddie Hung <eddie@fpgeh.com>2019-09-05 08:43:22 -0700
committerEddie Hung <eddie@fpgeh.com>2019-09-05 08:43:22 -0700
commitef0681ea4ca0b34689cbf14d5a4478e2785600d9 (patch)
tree746e464fca3e16f91890590ca3e45ed0045aeb3a /tests
parent11f623cbe0057ee752f2545eb7100966afb08676 (diff)
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simple/peepopt.v tests to various/peepopt.ys with equiv_opt & select
Diffstat (limited to 'tests')
-rw-r--r--tests/simple/peepopt.v21
-rw-r--r--tests/various/peepopt.ys63
2 files changed, 63 insertions, 21 deletions
diff --git a/tests/simple/peepopt.v b/tests/simple/peepopt.v
deleted file mode 100644
index b4d113dba..000000000
--- a/tests/simple/peepopt.v
+++ /dev/null
@@ -1,21 +0,0 @@
-module peepopt_shiftmul_0 #(parameter N=3, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output [W-1:0] o);
-assign o = i[s*W+:W];
-endmodule
-
-module peepopt_shiftmul_1 (output y, input [2:0] w);
-assign y = 1'b1 >> (w * (3'b110));
-endmodule
-
-module peepopt_muldiv_0(input [1:0] i, output [1:0] o);
-wire [3:0] t;
-assign t = i * 3;
-assign o = t / 3;
-endmodule
-
-module peepopt_dffmuxext_signed(input clk, ce, input signed [1:0] i, output reg signed [3:0] o);
- always @(posedge clk) if (ce) o <= i;
-endmodule
-
-module peepopt_dffmuxext_unsigned(input clk, ce, input [1:0] i, output reg [3:0] o);
- always @(posedge clk) if (ce) o <= i;
-endmodule
diff --git a/tests/various/peepopt.ys b/tests/various/peepopt.ys
new file mode 100644
index 000000000..91db22423
--- /dev/null
+++ b/tests/various/peepopt.ys
@@ -0,0 +1,63 @@
+read_verilog <<EOT
+module peepopt_shiftmul_0 #(parameter N=3, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output [W-1:0] o);
+assign o = i[s*W+:W];
+endmodule
+EOT
+
+prep -nokeepdc
+equiv_opt peepopt
+design -load postopt
+clean
+select -assert-count 1 t:$shiftx
+select -assert-count 0 t:$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 * (3'b110));
+endmodule
+EOT
+
+prep -nokeepdc
+equiv_opt peepopt
+design -load postopt
+clean
+select -assert-count 1 t:$shr
+select -assert-count 1 t:$mul
+select -assert-count 0 t:$shr t:$mul %% t:* %D
+
+####################
+
+design -reset
+read_verilog <<EOT
+module peepopt_muldiv_0(input [1:0] i, output [1:0] o);
+wire [3:0] t;
+assign t = i * 3;
+assign o = t / 3;
+endmodule
+EOT
+
+prep -nokeepdc
+equiv_opt peepopt
+design -load postopt
+clean
+select -assert-count 0 t:*
+
+####################
+
+design -reset
+read_verilog <<EOT
+module peepopt_dffmuxext_signed(input clk, ce, input signed [1:0] i, output reg signed [3:0] o);
+ always @(posedge clk) if (ce) o <= i;
+endmodule
+EOT
+
+prep -nokeepdc
+equiv_opt peepopt
+design -load postopt
+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