[PATCH] D113658: [fir] Add !fir.len type conversion

[Valentin Clement via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG6c8eecd6769d: [fir] Add !fir.len type conversion (authored by clementval).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D113658/new/

https://reviews.llvm.org/D113658

Files:
  flang/lib/Optimizer/CodeGen/TypeConverter.h
  flang/test/Fir/types-to-llvm.fir


Index: flang/test/Fir/types-to-llvm.fir
===================================================================
--- flang/test/Fir/types-to-llvm.fir
+++ flang/test/Fir/types-to-llvm.fir
@@ -293,3 +293,11 @@
 func private @foo0(%arg0: !fir.field)
 // CHECK-LABEL: foo0
 // CHECK-SAME: i32
+
+// -----
+
+// Test `!fir.len` conversion.
+
+func private @foo0(%arg0: !fir.len)
+// CHECK-LABEL: foo0
+// CHECK-SAME: i64
Index: flang/lib/Optimizer/CodeGen/TypeConverter.h
===================================================================
--- flang/lib/Optimizer/CodeGen/TypeConverter.h
+++ flang/lib/Optimizer/CodeGen/TypeConverter.h
@@ -73,6 +73,11 @@
       // Convert to i32 because of LLVM GEP indexing restriction.
       return mlir::IntegerType::get(field.getContext(), 32);
     });
+    addConversion([&](fir::LenType field) {
+      // Get size of len paramter from the descriptor.
+      return getModel<Fortran::runtime::typeInfo::TypeParameterValue>()(
+          &getContext());
+    });
     addConversion(
         [&](fir::ComplexType cmplx) { return convertComplexType(cmplx); });
     addConversion(


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