[Mlir-commits] [mlir] [MLIR] Add llvm (debug) attributes to CAPI (PR #83992)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Tue Mar 5 07:57:30 PST 2024


https://github.com/edg-l updated https://github.com/llvm/llvm-project/pull/83992

>From c973b79d3a1c6828e7fb3f7f4b9cc85fc6080ca9 Mon Sep 17 00:00:00 2001
From: Edgar Luque <git at edgarluque.com>
Date: Mon, 19 Feb 2024 13:43:36 +0100
Subject: [PATCH] [mlir] Add LLVM attributes to the c api

---
 mlir/include/mlir-c/BuiltinAttributes.h |   4 +
 mlir/include/mlir-c/Dialect/LLVM.h      |  87 ++++++++++++
 mlir/lib/CAPI/Dialect/LLVM.cpp          | 177 ++++++++++++++++++++++++
 mlir/lib/CAPI/IR/BuiltinAttributes.cpp  |   4 +
 mlir/test/CAPI/ir.c                     |   4 +
 mlir/test/CAPI/llvm.c                   | 110 ++++++++++++++-
 6 files changed, 385 insertions(+), 1 deletion(-)

diff --git a/mlir/include/mlir-c/BuiltinAttributes.h b/mlir/include/mlir-c/BuiltinAttributes.h
index 01d1b6008f5e21..231eb83b5e2694 100644
--- a/mlir/include/mlir-c/BuiltinAttributes.h
+++ b/mlir/include/mlir-c/BuiltinAttributes.h
@@ -266,6 +266,10 @@ mlirSymbolRefAttrGetNestedReference(MlirAttribute attr, intptr_t pos);
 /// Returns the typeID of an SymbolRef attribute.
 MLIR_CAPI_EXPORTED MlirTypeID mlirSymbolRefAttrGetTypeID(void);
 
+/// Creates a DisctinctAttr with the referenced attribute.
+MLIR_CAPI_EXPORTED MlirAttribute
+mlirDisctinctAttrCreate(MlirAttribute referencedAttr);
+
 //===----------------------------------------------------------------------===//
 // Flat SymbolRef attribute.
 //===----------------------------------------------------------------------===//
diff --git a/mlir/include/mlir-c/Dialect/LLVM.h b/mlir/include/mlir-c/Dialect/LLVM.h
index ac216b01f364d4..5485bc7635dc31 100644
--- a/mlir/include/mlir-c/Dialect/LLVM.h
+++ b/mlir/include/mlir-c/Dialect/LLVM.h
@@ -98,6 +98,93 @@ MLIR_CAPI_EXPORTED MlirLogicalResult
 mlirLLVMStructTypeSetBody(MlirType structType, intptr_t nFieldTypes,
                           MlirType const *fieldTypes, bool isPacked);
 
+/// Creates a LLVM CConv attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMCConvAttrGet(MlirContext ctx,
+                                                      uint64_t cconv);
+
+/// Creates a LLVM Comdat attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMComdatAttrGet(MlirContext ctx,
+                                                       uint64_t comdat);
+
+/// Creates a LLVM Linkage attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMLinkageAttrGet(MlirContext ctx,
+                                                        uint64_t linkage);
+
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDINullTypeAttrGet(MlirContext ctx);
+
+/// Creates a LLVM DIExpression attribute.
+/*
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDIExpressionAttrGet(
+    MlirContext ctx, intptr_t nOperations, MlirAttribute const *operations);
+*/
+
+/// Creates a LLVM DIBasicType attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDIBasicTypeAttrGet(
+    MlirContext ctx, unsigned int tag, MlirAttribute name, uint64_t sizeInBits,
+    unsigned int encoding);
+
+/// Creates a LLVM DICompositeType attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDICompositeTypeAttrGet(
+    MlirContext ctx, unsigned int tag, MlirAttribute name, MlirAttribute file,
+    uint32_t line, MlirAttribute scope, MlirAttribute baseType, int64_t flags,
+    uint64_t sizeInBits, uint64_t alignInBits, intptr_t nElements,
+    MlirAttribute const *elements);
+
+/// Creates a LLVM DIDerivedType attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDIDerivedTypeAttrGet(
+    MlirContext ctx, unsigned int tag, MlirAttribute name,
+    MlirAttribute baseType, uint64_t sizeInBits, uint32_t alignInBits,
+    uint64_t offsetInBits);
+
+/// Creates a LLVM DIFileAttr attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDIFileAttrGet(MlirContext ctx,
+                                                       MlirAttribute name,
+                                                       MlirAttribute directory);
+
+/// Creates a LLVM DICompileUnit attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDICompileUnitAttrGet(
+    MlirContext ctx, MlirAttribute id, unsigned int sourceLanguage,
+    MlirAttribute file, MlirAttribute producer, bool isOptimized,
+    uint64_t emissionKind);
+
+/// Creates a LLVM DIFlags attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDIFlagsAttrGet(MlirContext ctx,
+                                                        uint64_t value);
+
+/// Creates a LLVM DILexicalBlock attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDILexicalBlockAttrGet(
+    MlirContext ctx, MlirAttribute scope, MlirAttribute file, unsigned int line,
+    unsigned int column);
+
+/// Creates a LLVM DILexicalBlockFile attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDILexicalBlockFileAttrGet(
+    MlirContext ctx, MlirAttribute scope, MlirAttribute file,
+    unsigned int discriminator);
+
+/// Creates a LLVM DILocalVariableAttr attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDILocalVariableAttrGet(
+    MlirContext ctx, MlirAttribute scope, MlirAttribute name,
+    MlirAttribute diFile, unsigned int line, unsigned int arg,
+    unsigned int alignInBits, MlirAttribute diType);
+
+/// Creates a LLVM DISubprogramAttr attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDISubprogramAttrGet(
+    MlirContext ctx, MlirAttribute id, MlirAttribute compileUnit,
+    MlirAttribute scope, MlirAttribute name, MlirAttribute linkageName,
+    MlirAttribute file, unsigned int line, unsigned int scopeLine,
+    uint64_t subprogramFlags, MlirAttribute type);
+
+/// Creates a LLVM DISubroutineTypeAttr attribute.
+MLIR_CAPI_EXPORTED MlirAttribute
+mlirLLVMDISubroutineTypeAttrGet(MlirContext ctx, unsigned int callingConvention,
+                                intptr_t nTypes, MlirAttribute const *types);
+
+/// Creates a LLVM DIModuleAttr attribute.
+MLIR_CAPI_EXPORTED MlirAttribute mlirLLVMDIModuleAttrGet(
+    MlirContext ctx, MlirAttribute file, MlirAttribute scope,
+    MlirAttribute name, MlirAttribute configMacros, MlirAttribute includePath,
+    MlirAttribute apinotes, unsigned int line, bool isDecl);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/mlir/lib/CAPI/Dialect/LLVM.cpp b/mlir/lib/CAPI/Dialect/LLVM.cpp
index 642018a814ca12..932a0bf0a0cc76 100644
--- a/mlir/lib/CAPI/Dialect/LLVM.cpp
+++ b/mlir/lib/CAPI/Dialect/LLVM.cpp
@@ -7,9 +7,17 @@
 //===----------------------------------------------------------------------===//
 
 #include "mlir-c/Dialect/LLVM.h"
+#include "mlir-c/IR.h"
+#include "mlir-c/Support.h"
 #include "mlir/CAPI/Registration.h"
+#include "mlir/CAPI/Wrap.h"
+#include "mlir/Dialect/LLVMIR/LLVMAttrs.h"
 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
+#include "mlir/Dialect/LLVMIR/LLVMOpsAttrDefs.h.inc"
 #include "mlir/Dialect/LLVMIR/LLVMTypes.h"
+#include "mlir/IR/Attributes.h"
+#include "mlir/IR/BuiltinAttributes.h"
+#include <stdint.h>
 
 using namespace mlir;
 using namespace mlir::LLVM;
@@ -110,3 +118,172 @@ MlirLogicalResult mlirLLVMStructTypeSetBody(MlirType structType,
       cast<LLVM::LLVMStructType>(unwrap(structType))
           .setBody(unwrapList(nFieldTypes, fieldTypes, fields), isPacked));
 }
+
+/* fails to compile with: error: no viable conversion from 'mlir::Attribute' to
+'ValueParamT' (aka 'mlir::LLVM::DIExpressionElemAttr') MlirAttribute
+mlirLLVMDIExpressionAttrGet(MlirContext ctx, intptr_t nOperations, MlirAttribute
+const *operations) { SmallVector<DIExpressionElemAttr, 2> valueStorage; return
+wrap(DIExpressionAttr::get( unwrap(ctx), unwrapList(nOperations, operations,
+valueStorage)));
+}
+*/
+
+MlirAttribute mlirLLVMDINullTypeAttrGet(MlirContext ctx) {
+  return wrap(DINullTypeAttr::get(unwrap(ctx)));
+}
+
+MlirAttribute mlirLLVMDIBasicTypeAttrGet(MlirContext ctx, unsigned int tag,
+                                         MlirAttribute name,
+                                         uint64_t sizeInBits,
+                                         unsigned int encoding) {
+  return wrap(DIBasicTypeAttr::get(
+      unwrap(ctx), tag, cast<StringAttr>(unwrap(name)), sizeInBits, encoding));
+}
+
+MlirAttribute mlirLLVMDICompositeTypeAttrGet(
+    MlirContext ctx, unsigned int tag, MlirAttribute name, MlirAttribute file,
+    uint32_t line, MlirAttribute scope, MlirAttribute baseType, int64_t flags,
+    uint64_t sizeInBits, uint64_t alignInBits, intptr_t nElements,
+    MlirAttribute const *elements) {
+  SmallVector<Attribute, 2> elementsStorage;
+  elementsStorage.reserve(nElements);
+
+  mlir::ArrayRef<Attribute> tempList =
+      unwrapList(nElements, elements, elementsStorage);
+
+  SmallVector<DINodeAttr, 2> diNodesStorage;
+  diNodesStorage.reserve(tempList.size());
+
+  for (auto attr : tempList) {
+    diNodesStorage.push_back(attr.cast<DINodeAttr>());
+  }
+
+  return wrap(DICompositeTypeAttr::get(
+      unwrap(ctx), tag, cast<StringAttr>(unwrap(name)),
+      cast<DIFileAttr>(unwrap(file)), line, cast<DIScopeAttr>(unwrap(scope)),
+      cast<DITypeAttr>(unwrap(baseType)), DIFlags(flags), sizeInBits,
+      alignInBits, diNodesStorage));
+}
+
+MlirAttribute mlirLLVMDIDerivedTypeAttrGet(MlirContext ctx, unsigned int tag,
+                                           MlirAttribute name,
+                                           MlirAttribute baseType,
+                                           uint64_t sizeInBits,
+                                           uint32_t alignInBits,
+                                           uint64_t offsetInBits) {
+  return wrap(DIDerivedTypeAttr::get(unwrap(ctx), tag,
+                                     cast<StringAttr>(unwrap(name)),
+                                     cast<DITypeAttr>(unwrap(baseType)),
+                                     sizeInBits, alignInBits, offsetInBits));
+}
+
+MlirAttribute mlirLLVMCConvAttrGet(MlirContext ctx, uint64_t cconv) {
+  return wrap(CConvAttr::get(unwrap(ctx), CConv(cconv)));
+}
+
+MlirAttribute mlirLLVMComdatAttrGet(MlirContext ctx, uint64_t comdat) {
+  return wrap(ComdatAttr::get(unwrap(ctx), comdat::Comdat(comdat)));
+}
+
+MlirAttribute mlirLLVMLinkageAttrGet(MlirContext ctx, uint64_t linkage) {
+  return wrap(LinkageAttr::get(unwrap(ctx), linkage::Linkage(linkage)));
+}
+
+MlirAttribute mlirLLVMDIFileAttrGet(MlirContext ctx, MlirAttribute name,
+                                    MlirAttribute directory) {
+  return wrap(DIFileAttr::get(unwrap(ctx), cast<StringAttr>(unwrap(name)),
+                              cast<StringAttr>(unwrap(directory))));
+}
+
+MlirAttribute mlirLLVMDICompileUnitAttrGet(MlirContext ctx, MlirAttribute id,
+                                           unsigned int sourceLanguage,
+                                           MlirAttribute file,
+                                           MlirAttribute producer,
+                                           bool isOptimized,
+                                           uint64_t emissionKind) {
+  return wrap(DICompileUnitAttr::get(
+      unwrap(ctx), cast<DistinctAttr>(unwrap(id)), sourceLanguage,
+      cast<DIFileAttr>(unwrap(file)), cast<StringAttr>(unwrap(producer)),
+      isOptimized, DIEmissionKind(emissionKind)));
+}
+
+MlirAttribute mlirLLVMDIFlagsAttrGet(MlirContext ctx, uint64_t value) {
+  return wrap(DIFlagsAttr::get(unwrap(ctx), DIFlags(value)));
+}
+
+MlirAttribute mlirLLVMDILexicalBlockAttrGet(MlirContext ctx,
+                                            MlirAttribute scope,
+                                            MlirAttribute file,
+                                            unsigned int line,
+                                            unsigned int column) {
+  return wrap(
+      DILexicalBlockAttr::get(unwrap(ctx), cast<DIScopeAttr>(unwrap(scope)),
+                              cast<DIFileAttr>(unwrap(file)), line, column));
+}
+
+MlirAttribute mlirLLVMDILexicalBlockFileAttrGet(MlirContext ctx,
+                                                MlirAttribute scope,
+                                                MlirAttribute file,
+                                                unsigned int discriminator) {
+  return wrap(DILexicalBlockFileAttr::get(
+      unwrap(ctx), cast<DIScopeAttr>(unwrap(scope)),
+      cast<DIFileAttr>(unwrap(file)), discriminator));
+}
+
+MlirAttribute
+mlirLLVMDILocalVariableAttrGet(MlirContext ctx, MlirAttribute scope,
+                               MlirAttribute name, MlirAttribute diFile,
+                               unsigned int line, unsigned int arg,
+                               unsigned int alignInBits, MlirAttribute diType) {
+  return wrap(DILocalVariableAttr::get(
+      unwrap(ctx), cast<DIScopeAttr>(unwrap(scope)),
+      cast<StringAttr>(unwrap(name)), cast<DIFileAttr>(unwrap(diFile)), line,
+      arg, alignInBits, cast<DITypeAttr>(unwrap(diType))));
+}
+
+MlirAttribute mlirLLVMDISubroutineTypeAttrGet(MlirContext ctx,
+                                              unsigned int callingConvention,
+                                              intptr_t nTypes,
+                                              MlirAttribute const *types) {
+  SmallVector<Attribute, 2> attrStorage;
+  attrStorage.reserve(nTypes);
+  mlir::ArrayRef<Attribute> tempList = unwrapList(nTypes, types, attrStorage);
+
+  SmallVector<DITypeAttr, 2> diTypesStorage;
+  diTypesStorage.reserve(tempList.size());
+
+  for (auto attr : tempList) {
+    diTypesStorage.push_back(attr.cast<DITypeAttr>());
+  }
+
+  return wrap(DISubroutineTypeAttr::get(unwrap(ctx), callingConvention,
+                                        diTypesStorage));
+}
+
+MlirAttribute mlirLLVMDISubprogramAttrGet(
+    MlirContext ctx, MlirAttribute id, MlirAttribute compileUnit,
+    MlirAttribute scope, MlirAttribute name, MlirAttribute linkageName,
+    MlirAttribute file, unsigned int line, unsigned int scopeLine,
+    uint64_t subprogramFlags, MlirAttribute type) {
+  return wrap(DISubprogramAttr::get(
+      unwrap(ctx), cast<DistinctAttr>(unwrap(id)),
+      cast<DICompileUnitAttr>(unwrap(compileUnit)),
+      cast<DIScopeAttr>(unwrap(scope)), cast<StringAttr>(unwrap(name)),
+      cast<StringAttr>(unwrap(linkageName)), cast<DIFileAttr>(unwrap(file)),
+      line, scopeLine, DISubprogramFlags(subprogramFlags),
+      cast<DISubroutineTypeAttr>(unwrap(type))));
+}
+
+MlirAttribute mlirLLVMDIModuleAttrGet(MlirContext ctx, MlirAttribute file,
+                                      MlirAttribute scope, MlirAttribute name,
+                                      MlirAttribute configMacros,
+                                      MlirAttribute includePath,
+                                      MlirAttribute apinotes, unsigned int line,
+                                      bool isDecl) {
+  return wrap(DIModuleAttr::get(
+      unwrap(ctx), cast<DIFileAttr>(unwrap(file)),
+      cast<DIScopeAttr>(unwrap(scope)), cast<StringAttr>(unwrap(name)),
+      cast<StringAttr>(unwrap(configMacros)),
+      cast<StringAttr>(unwrap(includePath)), cast<StringAttr>(unwrap(apinotes)),
+      line, isDecl));
+}
diff --git a/mlir/lib/CAPI/IR/BuiltinAttributes.cpp b/mlir/lib/CAPI/IR/BuiltinAttributes.cpp
index b3066ee0c28bdc..726af884668b2d 100644
--- a/mlir/lib/CAPI/IR/BuiltinAttributes.cpp
+++ b/mlir/lib/CAPI/IR/BuiltinAttributes.cpp
@@ -289,6 +289,10 @@ MlirTypeID mlirSymbolRefAttrGetTypeID(void) {
   return wrap(SymbolRefAttr::getTypeID());
 }
 
+MlirAttribute mlirDisctinctAttrCreate(MlirAttribute referencedAttr) {
+  return wrap(mlir::DistinctAttr::create(unwrap(referencedAttr)));
+}
+
 //===----------------------------------------------------------------------===//
 // Flat SymbolRef attribute.
 //===----------------------------------------------------------------------===//
diff --git a/mlir/test/CAPI/ir.c b/mlir/test/CAPI/ir.c
index a9850c0a132e75..8e79338c57a22a 100644
--- a/mlir/test/CAPI/ir.c
+++ b/mlir/test/CAPI/ir.c
@@ -1482,6 +1482,10 @@ int printAffineMap(MlirContext ctx) {
   // CHECK: (d0, d1, d2) -> (d0)
   // CHECK: (d0, d1, d2) -> (d2)
 
+  // CHECK: distinct[0]<"foo">
+  mlirAttributeDump(mlirDisctinctAttrCreate(
+      mlirStringAttrGet(ctx, mlirStringRefCreateFromCString("foo"))));
+
   return 0;
 }
 
diff --git a/mlir/test/CAPI/llvm.c b/mlir/test/CAPI/llvm.c
index 1817988dd67dd6..76ef30315a186f 100644
--- a/mlir/test/CAPI/llvm.c
+++ b/mlir/test/CAPI/llvm.c
@@ -10,6 +10,7 @@
 // RUN: mlir-capi-llvm-test 2>&1 | FileCheck %s
 
 #include "mlir-c/Dialect/LLVM.h"
+#include "mlir-c/BuiltinAttributes.h"
 #include "mlir-c/BuiltinTypes.h"
 #include "mlir-c/IR.h"
 #include "mlir-c/Support.h"
@@ -77,7 +78,7 @@ static void testTypeCreation(MlirContext ctx) {
 
 // CHECK-LABEL: testStructTypeCreation
 static int testStructTypeCreation(MlirContext ctx) {
-  fprintf(stderr, "testStructTypeCreation");
+  fprintf(stderr, "testStructTypeCreation\n");
 
   // CHECK: !llvm.struct<()>
   mlirTypeDump(mlirLLVMStructTypeLiteralGet(ctx, /*nFieldTypes=*/0,
@@ -225,12 +226,119 @@ static int testStructTypeCreation(MlirContext ctx) {
   return 0;
 }
 
+// CHECK-LABEL: testLLVMAttributes
+static void testLLVMAttributes(MlirContext ctx) {
+  fprintf(stderr, "testLLVMAttributes\n");
+
+  // CHECK: #llvm.linkage<internal>
+  mlirAttributeDump(mlirLLVMLinkageAttrGet(ctx, 0x1));
+  // CHECK: #llvm.cconv<ccc>
+  mlirAttributeDump(mlirLLVMCConvAttrGet(ctx, 0x0));
+  // CHECK: #llvm<comdat any>
+  mlirAttributeDump(mlirLLVMComdatAttrGet(ctx, 0x0));
+}
+
+// CHECK-LABEL: testDebugInfoAttributes
+static void testDebugInfoAttributes(MlirContext ctx) {
+  fprintf(stderr, "testDebugInfoAttributes\n");
+
+  MlirAttribute foo =
+      mlirStringAttrGet(ctx, mlirStringRefCreateFromCString("foo"));
+  MlirAttribute bar =
+      mlirStringAttrGet(ctx, mlirStringRefCreateFromCString("bar"));
+  MlirAttribute id = mlirDisctinctAttrCreate(foo);
+
+  // CHECK: #llvm.di_null_type
+  mlirAttributeDump(mlirLLVMDINullTypeAttrGet(ctx));
+  // CHECK: #llvm.di_basic_type<tag = DW_TAG_null, name = "foo", sizeInBits =
+  // 64, encoding = DW_ATE_signed>
+  MlirAttribute di_type = mlirLLVMDIBasicTypeAttrGet(ctx, 0, foo, 64, 0x5);
+  mlirAttributeDump(di_type);
+
+  MlirAttribute file = mlirLLVMDIFileAttrGet(ctx, foo, bar);
+
+  // CHECK: #llvm.di_file<"foo" in "bar">
+  mlirAttributeDump(file);
+
+  MlirAttribute compile_unit =
+      mlirLLVMDICompileUnitAttrGet(ctx, id, 0x1C, file, foo, false, 0x1);
+
+  // CHECK: #llvm.di_compile_unit<id = distinct[0]<"foo">, sourceLanguage =
+  // DW_LANG_Rust, file = <"foo" in "bar">, producer = "foo", isOptimized =
+  // false, emissionKind = Full>
+  mlirAttributeDump(compile_unit);
+
+  // CHECK: 1 : i32
+  mlirAttributeDump(mlirLLVMDIFlagsAttrGet(ctx, 0x1));
+
+  // CHECK: #llvm.di_lexical_block<scope = #llvm.di_compile_unit<id =
+  // distinct[0]<"foo">, sourceLanguage = DW_LANG_Rust, file = <"foo" in "bar">,
+  // producer = "foo", isOptimized = false, emissionKind = Full>, file = <"foo"
+  // in "bar">, line = 1, column = 2>
+  mlirAttributeDump(
+      mlirLLVMDILexicalBlockAttrGet(ctx, compile_unit, file, 1, 2));
+
+  // CHECK: #llvm.di_lexical_block_file<scope = #llvm.di_compile_unit<id =
+  // distinct[0]<"foo">, sourceLanguage = DW_LANG_Rust, file = <"foo" in "bar">,
+  // producer = "foo", isOptimized = false, emissionKind = Full>, file = <"foo"
+  // in "bar">, discriminator = 3>
+  mlirAttributeDump(
+      mlirLLVMDILexicalBlockFileAttrGet(ctx, compile_unit, file, 3));
+
+  // CHECK: #llvm.di_local_variable<scope = #llvm.di_compile_unit<id =
+  // distinct[0]<"foo">, sourceLanguage = DW_LANG_Rust, file = <"foo" in "bar">,
+  // producer = "foo", isOptimized = false, emissionKind = Full>, name = "foo",
+  // file = <"foo" in "bar">, line = 1, alignInBits = 8, type =
+  // #llvm.di_basic_type<tag = DW_TAG_null, name = "foo", sizeInBits = 64,
+  // encoding = DW_ATE_signed>>
+  mlirAttributeDump(mlirLLVMDILocalVariableAttrGet(ctx, compile_unit, foo, file,
+                                                   1, 0, 8, di_type));
+  // CHECK: #llvm.di_derived_type<tag = DW_TAG_null, name = "bar", baseType =
+  // #llvm.di_basic_type<tag = DW_TAG_null, name = "foo", sizeInBits = 64,
+  // encoding = DW_ATE_signed>, sizeInBits = 64, alignInBits = 8>
+  mlirAttributeDump(
+      mlirLLVMDIDerivedTypeAttrGet(ctx, 0, bar, di_type, 64, 8, 0));
+
+  // CHECK: #llvm.di_composite_type<tag = DW_TAG_null, name = "foo", file =
+  // <"foo" in "bar">, line = 1, scope = #llvm.di_compile_unit<id =
+  // distinct[0]<"foo">, sourceLanguage = DW_LANG_Rust, file = <"foo" in "bar">,
+  // producer = "foo", isOptimized = false, emissionKind = Full>, baseType =
+  // #llvm.di_basic_type<tag = DW_TAG_null, name = "foo", sizeInBits = 64,
+  // encoding = DW_ATE_signed>, sizeInBits = 64, alignInBits = 8, elements =
+  // #llvm.di_basic_type<tag = DW_TAG_null, name = "foo", sizeInBits = 64,
+  // encoding = DW_ATE_signed>>
+  mlirAttributeDump(mlirLLVMDICompositeTypeAttrGet(
+      ctx, 0, foo, file, 1, compile_unit, di_type, 0, 64, 8, 1, &di_type));
+
+  MlirAttribute subroutine_type =
+      mlirLLVMDISubroutineTypeAttrGet(ctx, 0x0, 1, &di_type);
+
+  // CHECK: #llvm.di_subroutine_type<types = #llvm.di_basic_type<tag =
+  // DW_TAG_null, name = "foo", sizeInBits = 64, encoding = DW_ATE_signed>>
+  mlirAttributeDump(subroutine_type);
+
+  // CHECK: #llvm.di_subprogram<id = distinct[0]<"foo">, compileUnit = <id =
+  // distinct[0]<"foo">, sourceLanguage = DW_LANG_Rust, file = <"foo" in "bar">,
+  // producer = "foo", isOptimized = false, emissionKind = Full>, scope =
+  // #llvm.di_compile_unit<id = distinct[0]<"foo">, sourceLanguage =
+  // DW_LANG_Rust, file = <"foo" in "bar">, producer = "foo", isOptimized =
+  // false, emissionKind = Full>, name = "foo", linkageName = "bar", file =
+  // <"foo" in "bar">, line = 1, scopeLine = 2, subprogramFlags = , type =
+  // <types = #llvm.di_basic_type<tag = DW_TAG_null, name = "foo", sizeInBits =
+  // 64, encoding = DW_ATE_signed>>>
+  mlirAttributeDump(mlirLLVMDISubprogramAttrGet(ctx, id, compile_unit,
+                                                compile_unit, foo, bar, file, 1,
+                                                2, 0, subroutine_type));
+}
+
 int main(void) {
   MlirContext ctx = mlirContextCreate();
   mlirDialectHandleRegisterDialect(mlirGetDialectHandle__llvm__(), ctx);
   mlirContextGetOrLoadDialect(ctx, mlirStringRefCreateFromCString("llvm"));
   testTypeCreation(ctx);
   int result = testStructTypeCreation(ctx);
+  testLLVMAttributes(ctx);
+  testDebugInfoAttributes(ctx);
   mlirContextDestroy(ctx);
   if (result)
     fprintf(stderr, "FAILED: code %d", result);



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