From 7608985d2c6237b869a4774c6b1659282e7473ad Mon Sep 17 00:00:00 2001 From: Zachary Snow Date: Wed, 15 Dec 2021 18:15:09 -0700 Subject: fix width detection of array querying function in case and case item expressions I also removed the unnecessary shadowing of `width_hint` and `sign_hint` in the corresponding case in `simplify()`. --- tests/simple/case_expr_extend.sv | 11 +++++++++++ tests/simple/case_expr_query.sv | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 tests/simple/case_expr_extend.sv create mode 100644 tests/simple/case_expr_query.sv (limited to 'tests') diff --git a/tests/simple/case_expr_extend.sv b/tests/simple/case_expr_extend.sv new file mode 100644 index 000000000..61bd14df1 --- /dev/null +++ b/tests/simple/case_expr_extend.sv @@ -0,0 +1,11 @@ +module top( + output logic [5:0] out +); +always_comb begin + out = '0; + case (1'b1 << 1) + 2'b10: out = '1; + default: out = '0; + endcase +end +endmodule diff --git a/tests/simple/case_expr_query.sv b/tests/simple/case_expr_query.sv new file mode 100644 index 000000000..63a0a8b7a --- /dev/null +++ b/tests/simple/case_expr_query.sv @@ -0,0 +1,32 @@ +module top( + output logic [5:0] out +); +always_comb begin + out = '0; + case ($bits (out)) 6: + case ($size (out)) 6: + case ($high (out)) 5: + case ($low (out)) 0: + case ($left (out)) 5: + case ($right(out)) 0: + case (6) $bits (out): + case (6) $size (out): + case (5) $high (out): + case (0) $low (out): + case (5) $left (out): + case (0) $right(out): + out = '1; + endcase + endcase + endcase + endcase + endcase + endcase + endcase + endcase + endcase + endcase + endcase + endcase +end +endmodule -- cgit v1.2.3