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Commit fc23a3d9 authored by Simon Marlow's avatar Simon Marlow
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[project @ 1999-07-14 12:31:14 by simonmar]

Recover the -funbox-strict-fields test.
parent 1824ff0e
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module Test where
-- Strict field unpacking tests: compile with -O -funbox-strict-fields.
-- test 1: simple unboxed int field
data T = T !Int
t (T i) = i + 1
-- test 2: mutual recursion (should back off from unboxing either field)
data R = R !R
data S = S !S
r (R s) = s
-- test 3: multi-level unboxing
data A = A Int !B Int
data B = B !Int
f = A 1 (B 2) 1
g (A x (B y) z) = A x (B (y+2)) z
h (A x (B y) z) = y + 2
-- test 4: flattening nested tuples
data C = C !(Int,Int)
j (C (a,b)) = a + b
-- test 5: polymorphism, multiple strict fields
data D a b = D Int !(a,b) !(E Int)
data E a = E a
k (D a (b,c) (E d)) = a + b + c + d
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