https://github.com/jcsxky updated
https://github.com/llvm/llvm-project/pull/74813
>From 4e2ac40eece61343b5947ae906e5a4be8a82c823 Mon Sep 17 00:00:00 2001
From: huqizhi <huqi...@feysh.com>
Date: Fri, 8 Dec 2023 15:26:01 +0800
Subject: [PATCH] [clang][ASTImporter] Support Importer of BuiltinBitCastExpr
---
clang/lib/AST/ASTImporter.cpp | 12 ++++++++++++
clang/unittests/AST/ASTImporterTest.cpp | 24 ++++++++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index f1f335118f37a4..0edb6930ed0a00 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -7820,6 +7820,18 @@ ExpectedStmt
ASTNodeImporter::VisitExplicitCastExpr(ExplicitCastExpr *E) {
*ToLParenLocOrErr, OCE->getBridgeKind(), E->getCastKind(),
*ToBridgeKeywordLocOrErr, ToTypeInfoAsWritten, ToSubExpr);
}
+ case Stmt::BuiltinBitCastExprClass: {
+ auto *BBC = cast<BuiltinBitCastExpr>(E);
+ ExpectedSLoc ToKWLocOrErr = import(BBC->getBeginLoc());
+ if (!ToKWLocOrErr)
+ return ToKWLocOrErr.takeError();
+ ExpectedSLoc ToRParenLocOrErr = import(BBC->getEndLoc());
+ if (!ToRParenLocOrErr)
+ return ToRParenLocOrErr.takeError();
+ return new (Importer.getToContext()) BuiltinBitCastExpr(
+ ToType, E->getValueKind(), E->getCastKind(), ToSubExpr,
+ ToTypeInfoAsWritten, *ToKWLocOrErr, *ToRParenLocOrErr);
+ }
default:
llvm_unreachable("Cast expression of unsupported type!");
return make_error<ASTImportError>(ASTImportError::UnsupportedConstruct);
diff --git a/clang/unittests/AST/ASTImporterTest.cpp
b/clang/unittests/AST/ASTImporterTest.cpp
index 4dd7510bf8ddf8..82174ddc07de22 100644
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -3220,6 +3220,12 @@ TEST_P(ImportExpr, UnresolvedMemberExpr) {
compoundStmt(has(callExpr(has(unresolvedMemberExpr())))))))));
}
+TEST_P(ImportExpr, BuiltinBitCastExpr) {
+ MatchVerifier<Decl> Verifier;
+ testImport("void declToImport(int T) { (void)__builtin_bit_cast(float, T);
}",
+ Lang_CXX20, "", Lang_CXX20, Verifier, functionDecl());
+}
+
class ImportImplicitMethods : public ASTImporterOptionSpecificTestBase {
public:
static constexpr auto DefaultCode = R"(
@@ -9284,6 +9290,24 @@ TEST_P(ASTImporterOptionSpecificTestBase,
// EXPECT_EQ(ToF1Imported->getPreviousDecl(), ToF1);
}
+const internal::VariadicDynCastAllOfMatcher<Stmt, BuiltinBitCastExpr>
+ builtinBitCastExpr;
+
+TEST_P(ASTImporterOptionSpecificTestBase, ImportBuiltinBitCastExpr) {
+ const char *CodeFrom =
+ R"(
+ void foo(int T) { (void)__builtin_bit_cast(float, T); }
+ )";
+ Decl *FromTU = getTuDecl(CodeFrom, Lang_CXX20);
+ auto *FromFoo = FirstDeclMatcher<FunctionDecl>().match(
+ FromTU, functionDecl(hasName("foo")));
+ auto *ToFoo = Import(FromFoo, Lang_CXX20);
+ EXPECT_TRUE(ToFoo);
+ auto *ToBuiltinBitCastExpr =
+ FirstDeclMatcher<BuiltinBitCastExpr>().match(ToFoo,
builtinBitCastExpr());
+ EXPECT_TRUE(ToBuiltinBitCastExpr);
+}
+
INSTANTIATE_TEST_SUITE_P(ParameterizedTests, ASTImporterLookupTableTest,
DefaultTestValuesForRunOptions);
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