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Merge pull request #2050 from YosysHQ/eddie/opt_clean_fixes

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opt_clean: remove (* init *) regardless of -purge, remove (* init *) when consistent with sigmap, clean to behave identically
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Claire Wolf 2020-05-14 18:31:16 +02:00 • committed by GitHub
commit 140e9a8e06
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2 changed files with 32 additions and 12 deletions
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tests/opt/opt_clean_init.ys Normal file
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@ -0,0 +1,13 @@
logger -expect warning "Initial value conflict for \\y resolving to 1'0 but with init 1'1" 1
logger -expect-no-warnings
read_verilog <<EOT
module top;
(* init=1'b0 *) wire w = 1'b0;
(* init=1'bx *) wire x = 1'b0;
(* init=1'b1 *) wire y = 1'b0;
(* init=1'b0 *) wire z = 1'bx;
endmodule
EOT
clean
select -assert-count 1 a:init
select -assert-count 1 w:y a:init %i