[flang-commits] [flang] 6d858e2 - [Flang][Doc] Trivial fixes for PDT doc (#72306)
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Wed Nov 15 05:09:40 PST 2023
Author: Kiran Chandramohan
Date: 2023-11-15T13:09:35Z
New Revision: 6d858e2ad3502f787d3a51fb3d69139686812703
URL: https://github.com/llvm/llvm-project/commit/6d858e2ad3502f787d3a51fb3d69139686812703
DIFF: https://github.com/llvm/llvm-project/commit/6d858e2ad3502f787d3a51fb3d69139686812703.diff
LOG: [Flang][Doc] Trivial fixes for PDT doc (#72306)
Adjust the depth (number of #) for some sections.
Move an underscore prefix to a suffix in an example to let the Fortran
parser in the documentation generator pass.
Added:
Modified:
flang/docs/ParameterizedDerivedTypes.md
Removed:
################################################################################
diff --git a/flang/docs/ParameterizedDerivedTypes.md b/flang/docs/ParameterizedDerivedTypes.md
index 39ba20d23246842..34c8894c76918a3 100644
--- a/flang/docs/ParameterizedDerivedTypes.md
+++ b/flang/docs/ParameterizedDerivedTypes.md
@@ -22,6 +22,8 @@ for parameterized derived types.
The constraints are implemented and tested in flang.
+## The two types of PDTs
+
### PDT with kind type parameter
PDTs with kind type parameter are already implemented in flang. Since the kind
@@ -394,8 +396,8 @@ expression would then reference the new name.
type t1(n, m)
integer, len :: n = 2
integer, len :: m = 4
- integer, len :: _t1_n_m = 8 ! hidden extra length type parameter
- real :: data(_t1_n_m)
+ integer, len :: t1_n_m_ = 8 ! hidden extra length type parameter
+ real :: data(t1_n_m_)
end type
```
@@ -825,7 +827,7 @@ parameters are in it.
The operations will be updated if needed during the implementation of the
chosen solution.
-#### `fir.alloca`
+### `fir.alloca`
This primitive operation is used to allocate an object on the stack. When
allocating a PDT, the length type parameters are passed to the
@@ -838,7 +840,7 @@ operation so its size can be computed accordingly.
// %i is the ssa value of the length type parameter
```
-#### `fir.allocmem`
+### `fir.allocmem`
This operation is used to create a heap memory reference suitable for storing a
value of the given type. When creating a PDT, the length type parameters are
@@ -852,7 +854,7 @@ passed so the size can be computed accordingly.
fir.freemem %0 : !fir.type<_QMmod1Tpdt{i:i32,data:!fir.array<?xf32>}>
```
-#### `fir.embox`
+### `fir.embox`
The `fir.embox` operation create a boxed reference value. In the case of PDTs
the length type parameters can be passed as well to the operation.
@@ -885,7 +887,7 @@ func.func @_QMpdt_initPlocal() {
}
```
-#### `fir.field_index`
+### `fir.field_index`
The `fir.field_index` operation is used to generate a field offset value from
a field identifier in a derived-type. The operation takes length type parameter
@@ -900,7 +902,7 @@ values with a PDT so it can compute a correct offset.
return %3
```
-#### `fir.len_param_index`
+### `fir.len_param_index`
This operation is used to get the length type parameter offset in from a PDT.
@@ -914,7 +916,7 @@ func.func @_QPpdt_len_value(%arg0: !fir.box<!fir.type<t1{l:i32,!fir.array<?xi32>
}
```
-#### `fir.save_result`
+### `fir.save_result`
Save the result of a function returning an array, box, or record type value into
a memory location given the shape and LEN parameters of the result. Length type
@@ -931,7 +933,7 @@ func.func @return_pdt(%buffer: !fir.ref<!fir.type<t2(l1:i32,l2:i32){x:f32}>>) {
}
```
-#### `fir.array_*` operations
+### `fir.array_*` operations
The current design of the
diff erent `fir.array_*` operations include length type
parameters operands. This is designed to use PDT without descriptor directly in
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