isbranch          332 src/cmd/5c/gc.h int	isbranch(Prog *);
isbranch         1321 src/cmd/5c/peep.c 	if (isbranch(p)
isbranch         1454 src/cmd/5c/peep.c 		if (isbranch(r->prog)) {
isbranch         1451 src/cmd/5g/peep.c 	if(isbranch(p))
isbranch         1581 src/cmd/5g/peep.c 		if (isbranch(r->prog)) {