https://github.com/Ankur-0429 created
https://github.com/llvm/llvm-project/pull/136807
#136055
This PR adds basic support for enum declarations in CIR by handling the
Decl::Enum case in CIRGenModule::emitTopLevelDecl(). The implementation
currently asserts when debug info generation is requested.
A simple test case with an anonymous enum declaration has been added to verify
the functionality.
>From 44a384b8ad774939c7664c8a476e852f1d4a7341 Mon Sep 17 00:00:00 2001
From: Ankur Ahir <ankura...@google.com>
Date: Tue, 22 Apr 2025 20:04:34 -0700
Subject: [PATCH] Upstream enum support
---
clang/lib/CIR/CodeGen/CIRGenModule.cpp | 3 +++
clang/test/CIR/CodeGen/basic.c | 5 +++++
clang/test/CIR/CodeGen/basic.cpp | 5 +++++
3 files changed, 13 insertions(+)
diff --git a/clang/lib/CIR/CodeGen/CIRGenModule.cpp
b/clang/lib/CIR/CodeGen/CIRGenModule.cpp
index 3b13d495be5e3..79db25dda3fea 100644
--- a/clang/lib/CIR/CodeGen/CIRGenModule.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenModule.cpp
@@ -617,6 +617,9 @@ void CIRGenModule::emitTopLevelDecl(Decl *decl) {
case Decl::OpenACCDeclare:
emitGlobalOpenACCDecl(cast<OpenACCDeclareDecl>(decl));
break;
+ case Decl::Enum:
+ assert(!cir::MissingFeatures::generateDebugInfo() && "NYI");
+ break;
case Decl::Typedef:
case Decl::TypeAlias: // using foo = bar; [C++11]
diff --git a/clang/test/CIR/CodeGen/basic.c b/clang/test/CIR/CodeGen/basic.c
index 1845d3b64bf68..623aad778f0db 100644
--- a/clang/test/CIR/CodeGen/basic.c
+++ b/clang/test/CIR/CodeGen/basic.c
@@ -253,3 +253,8 @@ size_type max_size(void) {
// OGCG: define{{.*}} i64 @max_size()
// OGCG: ret i64 2305843009213693951
+
+enum {
+ um = 0,
+ dois = 1,
+};
\ No newline at end of file
diff --git a/clang/test/CIR/CodeGen/basic.cpp b/clang/test/CIR/CodeGen/basic.cpp
index 0f8431325a86f..c1c3e60079869 100644
--- a/clang/test/CIR/CodeGen/basic.cpp
+++ b/clang/test/CIR/CodeGen/basic.cpp
@@ -102,3 +102,8 @@ size_type max_size() {
// CHECK: %3 = cir.cast(integral, %2 : !s32i), !u64i
// CHECK: %4 = cir.const #cir.int<8> : !u64i
// CHECK: %5 = cir.binop(div, %3, %4) : !u64i
+
+enum {
+ um = 0,
+ dois = 1,
+};
\ No newline at end of file
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