[flang-commits] [flang] [flang][debug] Support fir::ReferenceType. (PR #113480)
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Wed Oct 23 11:07:12 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-flang-fir-hlfir
Author: Abid Qadeer (abidh)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/113480.diff
2 Files Affected:
- (modified) flang/lib/Optimizer/Transforms/DebugTypeGenerator.cpp (+5)
- (added) flang/test/Transforms/debug-ref-type.fir (+10)
``````````diff
diff --git a/flang/lib/Optimizer/Transforms/DebugTypeGenerator.cpp b/flang/lib/Optimizer/Transforms/DebugTypeGenerator.cpp
index 71e534b4f2e2a3..84f7873a9fd009 100644
--- a/flang/lib/Optimizer/Transforms/DebugTypeGenerator.cpp
+++ b/flang/lib/Optimizer/Transforms/DebugTypeGenerator.cpp
@@ -511,6 +511,11 @@ DebugTypeGenerator::convertType(mlir::Type Ty, mlir::LLVM::DIFileAttr fileAttr,
/*hasDescriptor=*/false);
} else if (auto recTy = mlir::dyn_cast_or_null<fir::RecordType>(Ty)) {
return convertRecordType(recTy, fileAttr, scope, declOp);
+ } else if (auto refTy = mlir::dyn_cast_if_present<fir::ReferenceType>(Ty)) {
+ auto elTy = refTy.getEleTy();
+ return convertPointerLikeType(elTy, fileAttr, scope, declOp,
+ /*genAllocated=*/false,
+ /*genAssociated=*/false);
} else if (auto boxTy = mlir::dyn_cast_or_null<fir::BoxType>(Ty)) {
auto elTy = boxTy.getElementType();
if (auto seqTy = mlir::dyn_cast_or_null<fir::SequenceType>(elTy))
diff --git a/flang/test/Transforms/debug-ref-type.fir b/flang/test/Transforms/debug-ref-type.fir
new file mode 100644
index 00000000000000..2b3af485385d8a
--- /dev/null
+++ b/flang/test/Transforms/debug-ref-type.fir
@@ -0,0 +1,10 @@
+// RUN: fir-opt --add-debug-info --mlir-print-debuginfo %s | FileCheck %s
+
+module attributes {dlti.dl_spec = #dlti.dl_spec<>} {
+ func.func private @_FortranAioBeginExternalListOutput(i8) -> !fir.ref<i8> loc(#loc1)
+}
+#loc1 = loc("test.f90":5:1)
+
+// CHECK: #[[INT8_TY:.*]] = #llvm.di_basic_type<tag = DW_TAG_base_type, name = "integer", sizeInBits = 8, encoding = DW_ATE_signed>
+// CHECK: #[[REF_TY:.*]] = #llvm.di_derived_type<tag = DW_TAG_pointer_type, name = "", baseType = #[[INT8_TY]]{{.*}}>
+// CHECK: #llvm.di_subroutine_type<{{.*}}types = #[[REF_TY]], #[[INT8_TY]]>
``````````
</details>
https://github.com/llvm/llvm-project/pull/113480
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