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Add example of PlutusTx miscompilation due to optimisation pass #6

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Add example of PlutusTx miscompilation due to optimisation pass #6

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16 changes: 15 additions & 1 deletion plutus-tx-plugin/test/Optimization/Spec.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import Test.Tasty.Extras
import PlutusCore.Test
import PlutusTx.Builtins qualified as PlutusTx
import PlutusTx.Code
import PlutusTx.Prelude qualified as P
import PlutusTx.TH (compile)
import PlutusTx.Test ()

Expand All @@ -24,7 +25,12 @@ import PlutusTx.Test ()
-- ones that run on UPLC.
tests :: TestNested
tests = testNested "Optimization" [
goldenUPlc "maybeFun" maybeFun ]
goldenUPlc "maybeFun" maybeFun
, goldenUPlc "trueOrError" trueOrError
, goldenUEval "trueOrErrorEval" [ toUPlc trueOrError ]
, goldenUPlc "trueOrErrorOpaque" trueOrErrorOpaque
, goldenUEval "trueOrErrorOpaqueEval" [ toUPlc trueOrErrorOpaque ]
]

-- The point of this test is to check that matchers get eliminated unconditionally
-- even if they're used more than once.
Expand All @@ -37,3 +43,11 @@ maybeFun = $$(compile
Nothing -> Nothing
Nothing -> Nothing
||])

trueOrError :: CompiledCode Bool
trueOrError = $$(compile [|| c True (P.error () :: Bool) ||])
where
c x _ = x

trueOrErrorOpaque :: CompiledCode Bool
trueOrErrorOpaque = $$(compile [|| P.const True (P.error () :: Bool) ||])
1 change: 1 addition & 0 deletions plutus-tx-plugin/test/Optimization/trueOrError.plc.golden
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@@ -0,0 +1 @@
(program 1.0.0 (delay (lam case_True_i0 (lam case_False_i0 case_True_i2))))
1 change: 1 addition & 0 deletions plutus-tx-plugin/test/Optimization/trueOrErrorEval.plc.golden
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@@ -0,0 +1 @@
(delay (lam case_True_0 (lam case_False_1 case_True_0)))
7 changes: 7 additions & 0 deletions plutus-tx-plugin/test/Optimization/trueOrErrorOpaque.plc.golden
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@@ -0,0 +1,7 @@
(program
1.0.0
[
(lam ds_i0 (delay (lam case_True_i0 (lam case_False_i0 case_True_i2))))
(error )
]
)
1 change: 1 addition & 0 deletions plutus-tx-plugin/test/Optimization/trueOrErrorOpaqueEval.plc.golden
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Failure