qbe-backend/test/_dragon.ssa

# a moderately complex test for
# dominators computation from
# the dragon book
# because branching is limited to
# two, I had to split some blocks

function $dragon() {
@start
@b1
	jnz 0, @b2, @b3
@b2
	jmp @b3
@b3
	jmp @b4.1
@b4.1
	jnz 0, @b3, @b4.2
@b4.2
	jnz 0, @b5, @b6
@b5
	jmp @b7
@b6
	jmp @b7
@b7
	jnz 0, @b8.1, @b4.1
@b8.1
	jnz 0, @b3, @b8.2
@b8.2
	jnz 0, @b9, @b10
@b9
	jmp @b1
@b10
	jmp @b7
}