[PATCH] D113660: [Flang] Add type conversion for FIR integer kind

[Kiran Chandramohan via Phabricator via llvm-commits]

kiranchandramohan created this revision.
kiranchandramohan added reviewers: clementval, awarzynski, rovka, jeanPerier, schweitz, svedanayagam, AlexisPerry, pmccormick.
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Convert fir.int<kind> to their llvm equivalent type

This patch is part of the upstreaming effort from fir-dev branch.

Co-authored-by: Eric Schweitz <eschweitz at nvidia.com>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113660

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
@@ -82,6 +82,30 @@
 
 // -----
 
+// Test `!fir.integer<KIND>` conversion.
+
+func private @foo0(%arg0: !fir.int<1>)
+// CHECK-LABEL: foo0
+// CHECK-SAME: i8
+
+func private @foo1(%arg0: !fir.int<2>)
+// CHECK-LABEL: foo1
+// CHECK-SAME: i16
+
+func private @foo2(%arg0: !fir.int<4>)
+// CHECK-LABEL: foo2
+// CHECK-SAME: i32
+
+func private @foo3(%arg0: !fir.int<8>)
+// CHECK-LABEL: foo3
+// CHECK-SAME: i64
+
+func private @foo4(%arg0: !fir.int<16>)
+// CHECK-LABEL: foo4
+// CHECK-SAME: i128
+
+// -----
+
 // Test `!fir.logical<KIND>` conversion.
 
 func private @foo0(%arg0: !fir.logical<1>)
Index: flang/lib/Optimizer/CodeGen/TypeConverter.h
===================================================================
--- flang/lib/Optimizer/CodeGen/TypeConverter.h
+++ flang/lib/Optimizer/CodeGen/TypeConverter.h
@@ -52,6 +52,10 @@
     addConversion([&](BoxType box) { return convertBoxType(box); });
     addConversion(
         [&](fir::CharacterType charTy) { return convertCharType(charTy); });
+    addConversion([&](fir::IntegerType intTy) {
+      return mlir::IntegerType::get(
+          &getContext(), kindMapping.getIntegerBitsize(intTy.getFKind()));
+    });
     addConversion([&](fir::LogicalType boolTy) {
       return mlir::IntegerType::get(
           &getContext(), kindMapping.getLogicalBitsize(boolTy.getFKind()));


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