mirror of https://github.com/YosysHQ/yosys.git
376 lines
8.9 KiB
Plaintext
376 lines
8.9 KiB
Plaintext
# Tests for opt_argmax.
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log -header "Small masked argmax self-equivalence"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_w8
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proc; opt_clean
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rename opt_argmax_w8 gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_w8
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proc; opt_clean
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select -module opt_argmax_w8
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opt_argmax
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select -clear
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opt_clean
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rename opt_argmax_w8 gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Basic masked argmax structural rewrite"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_basic
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proc; opt_clean
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opt_argmax
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opt_clean
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select -assert-min 1 w:*argmax*
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select -assert-count 16 t:$bmux
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select -assert-count 15 t:$lt
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select -assert-count 29 t:$mux
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select -assert-count 30 t:$and
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select -assert-count 29 t:$or
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select -assert-count 15 t:$not
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select -assert-none c:LessThan_*
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design -reset
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log -pop
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log -header "Flat-bus masked argmax self-equivalence"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_flat
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proc; opt_clean
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rename opt_argmax_flat gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_flat
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proc; opt_clean
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select -module opt_argmax_flat
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opt_argmax
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select -clear
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opt_clean
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select -assert-min 1 w:*argmax*
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rename opt_argmax_flat gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Identity-index masked argmax self-equivalence"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_identity_w8
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proc; opt_clean
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rename opt_argmax_identity_w8 gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_identity_w8
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proc; opt_clean
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select -module opt_argmax_identity_w8
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opt_argmax
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select -clear
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opt_clean
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select -assert-min 1 w:*argmax*
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rename opt_argmax_identity_w8 gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Identity-index masked argmax structural rewrite"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_identity_w16
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proc; opt_clean
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opt_argmax
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opt_clean
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select -assert-min 1 w:*argmax*
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select -assert-none c:*argmax_val*
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select -assert-none c:LessThan_*
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design -reset
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log -pop
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log -header "Scaled masked argmax: 8 entries structural"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_w8
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proc; opt_clean
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opt_argmax
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opt_clean
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select -assert-min 1 w:*argmax*
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design -reset
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log -pop
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log -header "Scaled masked argmax: 32 entries structural"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_w32
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proc; opt_clean
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opt_argmax
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opt_clean
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select -assert-min 1 w:*argmax*
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design -reset
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log -pop
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log -header "Value width edge: 1-bit values"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_value_w1
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proc; opt_clean
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rename opt_argmax_value_w1 gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_value_w1
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proc; opt_clean
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select -module opt_argmax_value_w1
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opt_argmax
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select -clear
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opt_clean
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select -assert-min 1 w:*argmax*
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rename opt_argmax_value_w1 gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Value width edge: 16-bit values"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_value_w16
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proc; opt_clean
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rename opt_argmax_value_w16 gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_value_w16
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proc; opt_clean
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select -module opt_argmax_value_w16
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opt_argmax
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select -clear
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opt_clean
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select -assert-min 1 w:*argmax*
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rename opt_argmax_value_w16 gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Same module: two independent argmax regions"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_two_regions
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proc; opt_clean
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rename opt_argmax_two_regions gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_two_regions
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proc; opt_clean
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select -module opt_argmax_two_regions
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opt_argmax
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select -clear
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opt_clean
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select -assert-min 2 w:*argmax*
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rename opt_argmax_two_regions gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Shared consumer of argmax output remains equivalent"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_shared_consumer
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proc; opt_clean
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rename opt_argmax_shared_consumer gold
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read -sv opt_argmax.sv
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verific -import opt_argmax_shared_consumer
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proc; opt_clean
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select -module opt_argmax_shared_consumer
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opt_argmax
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select -clear
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opt_clean
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select -assert-min 1 w:*argmax*
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rename opt_argmax_shared_consumer gate
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miter -equiv -flatten -make_assert gold gate miter
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hierarchy -top miter
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proc; opt; memory; opt
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sat -prove-asserts -verify
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design -reset
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log -pop
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log -header "Max width leaves argmax unchanged"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_basic
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proc; opt_clean
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opt_argmax -max_width 8
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Negative: non-power-of-two candidate count"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_w12
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proc; opt_clean
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opt_argmax
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Negative: mismatched index-map width"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_bad_index_width
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proc; opt_clean
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opt_argmax
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Negative: strict tie behavior changed"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_tie_high
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proc; opt_clean
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opt_argmax
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Negative: nonzero all-invalid default"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_nonzero_default
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proc; opt_clean
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opt_argmax
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Negative: min-selection comparator"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_min
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proc; opt_clean
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opt_argmax
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Negative: unrelated mux logic unchanged"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_unrelated
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proc; opt_clean
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select -assert-count 1 t:$mux
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opt_argmax
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select -assert-none w:*argmax*
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select -assert-count 1 t:$mux
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design -reset
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log -pop
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log -header "Negative: bmux-heavy unrelated stress module"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_stress_noop
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proc; opt_clean
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opt_argmax
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select -assert-none w:*argmax*
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design -reset
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log -pop
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log -header "Multi-module: only matching module rewrites"
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log -push
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design -reset
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verific -cfg veri_optimize_wide_selector 1
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verific -cfg db_infer_wide_muxes_post_elaboration 0
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read -sv opt_argmax.sv
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verific -import opt_argmax_multi_match opt_argmax_multi_keep
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proc; opt_clean
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opt_argmax
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opt_clean
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select -assert-min 1 opt_argmax_multi_match/w:*argmax*
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select -assert-none opt_argmax_multi_keep/w:*argmax*
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design -reset
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log -pop
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