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Merge pull request #2338 from zachjs/const-branch-finish

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Propagate const_fold through generate blocks and branches
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clairexen 2020-08-18 17:38:07 +02:00 • committed by GitHub
commit 4aa0dc4dc7
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2 changed files with 43 additions and 4 deletions
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tests/simple/const_branch_finish.v Normal file
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`define CONSTANT_CHECK \
if (WIDTH === 'bx) begin \
$display("FAIL"); \
$finish; \
end
module top;
parameter WIDTH = 32;
integer j;
initial begin
`CONSTANT_CHECK
if (WIDTH == 32) begin : procedural_conditional_block
`CONSTANT_CHECK
end
case (WIDTH)
32: `CONSTANT_CHECK
default: ;
endcase
for (j = 0; j < 2; j = j + 1) begin : procedural_loop_block
`CONSTANT_CHECK
end
end
generate
begin : unconditional_block
initial `CONSTANT_CHECK
end
if (WIDTH == 32) begin : conditional_block
initial `CONSTANT_CHECK
end
case (WIDTH)
32: initial `CONSTANT_CHECK
default: ;
endcase
genvar i;
for (i = 0; i < 2; i = i + 1) begin : loop_block
initial `CONSTANT_CHECK
end
endgenerate
endmodule