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If a local variable is always assigned before it is used, then adding nosync prevents latches from being needlessly generated.
17 lines
359 B
Text
17 lines
359 B
Text
read_verilog -sv <<EOF
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module top;
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parameter AVOID_LATCH = 0;
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logic x, z;
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assign z = 1'b1;
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always_comb begin
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logic y;
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if (z)
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y = 0;
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for (int i = 1; i == AVOID_LATCH; i++)
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y = 1;
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x = z ? y : 1'b0;
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end
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endmodule
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EOF
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logger -expect error "^Latch inferred for signal `\\top\.\$unnamed_block\$3\.y' from always_comb process" 1
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proc
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