Check SB_CARRY name also preserved

diff --git a/tests/arch/ice40/ice40_opt.ys b/tests/arch/ice40/ice40_opt.ys
index 58c33acaaba82c4336b0a980dff03803ed2a9f73..860e2e211604207c5c657138e728a1ea2b7afacb 100644 (file)
--- a/tests/arch/ice40/ice40_opt.ys
+++ b/tests/arch/ice40/ice40_opt.ys
@@ -84,3 +84,4 @@ synth_ice40
 select -assert-count 1 t:SB_LUT4
 select -assert-count 1 t:SB_CARRY
 select -assert-count 1 t:SB_CARRY a:keep %i
+select -assert-count 1 t:SB_CARRY c:carry %i