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Use alternative way of ignoring measures when detecting integral types #17040

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merged 4 commits into from
Apr 15, 2024
Merged

Use alternative way of ignoring measures when detecting integral types #17040

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fa0c3b8
Use alternative way of ignoring measures
brianrourkeboll Apr 12, 2024
a54238a
Update release notes
brianrourkeboll Apr 12, 2024
7477762
Typo
brianrourkeboll Apr 12, 2024
e75204c
Merge main
brianrourkeboll Apr 15, 2024
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1 change: 1 addition & 0 deletions docs/release-notes/.FSharp.Compiler.Service/8.0.400.md
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
### Fixed

Various parenthesization API fixes. ([PR #16977](https://github.com/dotnet/fsharp/pull/16977))
* Fix bug in optimization of for-loops over integral ranges with steps and units of measure. ([Issue #17025](https://github.com/dotnet/fsharp/issues/17025), [PR #17040](https://github.com/dotnet/fsharp/pull/17040))
58 changes: 28 additions & 30 deletions src/Compiler/TypedTree/TypedTreeOps.fs
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Expand Up @@ -7417,39 +7417,37 @@ let mkTwo g m = mkInt g m 2
let mkMinusOne g m = mkInt g m -1

let mkTypedZero g m ty =
let underlyingTy = stripMeasuresFromTy g ty
if typeEquiv g underlyingTy g.int32_ty then Expr.Const (Const.Int32 0, m, ty)
elif typeEquiv g underlyingTy g.int64_ty then Expr.Const (Const.Int64 0L, m, ty)
elif typeEquiv g underlyingTy g.uint64_ty then Expr.Const (Const.UInt64 0UL, m, ty)
elif typeEquiv g underlyingTy g.uint32_ty then Expr.Const (Const.UInt32 0u, m, ty)
elif typeEquiv g underlyingTy g.nativeint_ty then Expr.Const (Const.IntPtr 0L, m, ty)
elif typeEquiv g underlyingTy g.unativeint_ty then Expr.Const (Const.UIntPtr 0UL, m, ty)
elif typeEquiv g underlyingTy g.int16_ty then Expr.Const (Const.Int16 0s, m, ty)
elif typeEquiv g underlyingTy g.uint16_ty then Expr.Const (Const.UInt16 0us, m, ty)
elif typeEquiv g underlyingTy g.sbyte_ty then Expr.Const (Const.SByte 0y, m, ty)
elif typeEquiv g underlyingTy g.byte_ty then Expr.Const (Const.Byte 0uy, m, ty)
elif typeEquiv g underlyingTy g.char_ty then Expr.Const (Const.Char '\000', m, ty)
elif typeEquiv g underlyingTy g.float32_ty then Expr.Const (Const.Single 0.0f, m, ty)
elif typeEquiv g underlyingTy g.float_ty then Expr.Const (Const.Double 0.0, m, ty)
elif typeEquiv g underlyingTy g.decimal_ty then Expr.Const (Const.Decimal 0m, m, ty)
if typeEquivAux EraseMeasures g ty g.int32_ty then Expr.Const (Const.Int32 0, m, ty)
elif typeEquivAux EraseMeasures g ty g.int64_ty then Expr.Const (Const.Int64 0L, m, ty)
elif typeEquivAux EraseMeasures g ty g.uint64_ty then Expr.Const (Const.UInt64 0UL, m, ty)
elif typeEquivAux EraseMeasures g ty g.uint32_ty then Expr.Const (Const.UInt32 0u, m, ty)
elif typeEquivAux EraseMeasures g ty g.nativeint_ty then Expr.Const (Const.IntPtr 0L, m, ty)
elif typeEquivAux EraseMeasures g ty g.unativeint_ty then Expr.Const (Const.UIntPtr 0UL, m, ty)
elif typeEquivAux EraseMeasures g ty g.int16_ty then Expr.Const (Const.Int16 0s, m, ty)
elif typeEquivAux EraseMeasures g ty g.uint16_ty then Expr.Const (Const.UInt16 0us, m, ty)
elif typeEquivAux EraseMeasures g ty g.sbyte_ty then Expr.Const (Const.SByte 0y, m, ty)
elif typeEquivAux EraseMeasures g ty g.byte_ty then Expr.Const (Const.Byte 0uy, m, ty)
elif typeEquivAux EraseMeasures g ty g.char_ty then Expr.Const (Const.Char '\000', m, ty)
elif typeEquivAux EraseMeasures g ty g.float32_ty then Expr.Const (Const.Single 0.0f, m, ty)
elif typeEquivAux EraseMeasures g ty g.float_ty then Expr.Const (Const.Double 0.0, m, ty)
elif typeEquivAux EraseMeasures g ty g.decimal_ty then Expr.Const (Const.Decimal 0m, m, ty)
else error (InternalError ($"Unrecognized numeric type '{ty}'.", m))

let mkTypedOne g m ty =
let underlyingTy = stripMeasuresFromTy g ty
if typeEquiv g underlyingTy g.int32_ty then Expr.Const (Const.Int32 1, m, ty)
elif typeEquiv g underlyingTy g.int64_ty then Expr.Const (Const.Int64 1L, m, ty)
elif typeEquiv g underlyingTy g.uint64_ty then Expr.Const (Const.UInt64 1UL, m, ty)
elif typeEquiv g underlyingTy g.uint32_ty then Expr.Const (Const.UInt32 1u, m, ty)
elif typeEquiv g underlyingTy g.nativeint_ty then Expr.Const (Const.IntPtr 1L, m, ty)
elif typeEquiv g underlyingTy g.unativeint_ty then Expr.Const (Const.UIntPtr 1UL, m, ty)
elif typeEquiv g underlyingTy g.int16_ty then Expr.Const (Const.Int16 1s, m, ty)
elif typeEquiv g underlyingTy g.uint16_ty then Expr.Const (Const.UInt16 1us, m, ty)
elif typeEquiv g underlyingTy g.sbyte_ty then Expr.Const (Const.SByte 1y, m, ty)
elif typeEquiv g underlyingTy g.byte_ty then Expr.Const (Const.Byte 1uy, m, ty)
elif typeEquiv g underlyingTy g.char_ty then Expr.Const (Const.Char '\001', m, ty)
elif typeEquiv g underlyingTy g.float32_ty then Expr.Const (Const.Single 1.0f, m, ty)
elif typeEquiv g underlyingTy g.float_ty then Expr.Const (Const.Double 1.0, m, ty)
elif typeEquiv g underlyingTy g.decimal_ty then Expr.Const (Const.Decimal 1m, m, ty)
if typeEquivAux EraseMeasures g ty g.int32_ty then Expr.Const (Const.Int32 1, m, ty)
elif typeEquivAux EraseMeasures g ty g.int64_ty then Expr.Const (Const.Int64 1L, m, ty)
elif typeEquivAux EraseMeasures g ty g.uint64_ty then Expr.Const (Const.UInt64 1UL, m, ty)
elif typeEquivAux EraseMeasures g ty g.uint32_ty then Expr.Const (Const.UInt32 1u, m, ty)
elif typeEquivAux EraseMeasures g ty g.nativeint_ty then Expr.Const (Const.IntPtr 1L, m, ty)
elif typeEquivAux EraseMeasures g ty g.unativeint_ty then Expr.Const (Const.UIntPtr 1UL, m, ty)
elif typeEquivAux EraseMeasures g ty g.int16_ty then Expr.Const (Const.Int16 1s, m, ty)
elif typeEquivAux EraseMeasures g ty g.uint16_ty then Expr.Const (Const.UInt16 1us, m, ty)
elif typeEquivAux EraseMeasures g ty g.sbyte_ty then Expr.Const (Const.SByte 1y, m, ty)
elif typeEquivAux EraseMeasures g ty g.byte_ty then Expr.Const (Const.Byte 1uy, m, ty)
elif typeEquivAux EraseMeasures g ty g.char_ty then Expr.Const (Const.Char '\001', m, ty)
elif typeEquivAux EraseMeasures g ty g.float32_ty then Expr.Const (Const.Single 1.0f, m, ty)
elif typeEquivAux EraseMeasures g ty g.float_ty then Expr.Const (Const.Double 1.0, m, ty)
elif typeEquivAux EraseMeasures g ty g.decimal_ty then Expr.Const (Const.Decimal 1m, m, ty)
else error (InternalError ($"Unrecognized numeric type '{ty}'.", m))

let destInt32 = function Expr.Const (Const.Int32 n, _, _) -> Some n | _ -> None
Expand Down
47 changes: 47 additions & 0 deletions ...ponentTests/EmittedIL/ForLoop/RealInternalSignatureOff/ForEachRangeStep_UnitsOfMeasure.fs
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@@ -0,0 +1,47 @@
open FSharp.Data.UnitSystems.SI.UnitSymbols

let mutable c = 0L<m>

let f1 () =
for n in 10L<m>..1L<m>..1L<m> do
c <- n

let f2 () =
for n in 1L<m>..1L<m>..10L<m> do
c <- n

let f3 () =
for n in 1L<m>..2L<m>..10L<m> do
c <- n

let f4 start =
for n in start..2L<m>..10L<m> do
c <- n

let f5 step =
for n in 1L<m>..step..10L<m> do
c <- n

let f6 finish =
for n in 1L<m>..2L<m>..finish do
c <- n

let f7 start step finish =
for n in start..step..finish do
c <- n

let f8 start finish =
for n in start..0L<m>..finish do
c <- n

let f9 () =
for n in 1L<m>..0L<m>..10L<m> do
c <- n

let f10 () =
for n in 10L<m> .. -1L<m>..1L<m> do
c <- n

let f11 () =
for n in 10L<m> .. -2L<m>..1L<m> do
c <- n
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