https://github.com/momchil-velikov created
https://github.com/llvm/llvm-project/pull/124968
Fixes #124907
>From e490f9684aa8784299a9195a195433270f2cec79 Mon Sep 17 00:00:00 2001
From: Momchil Velikov <momchil.veli...@arm.com>
Date: Wed, 29 Jan 2025 18:31:18 +0000
Subject: [PATCH] [AArch64] Add MSVC mangling for the __mfp8 type
---
clang/lib/AST/MicrosoftMangle.cpp | 5 +++++
clang/test/CodeGenCXX/aarch64-ms-mangle-mfp8.cpp | 14 ++++++++++++++
2 files changed, 19 insertions(+)
create mode 100644 clang/test/CodeGenCXX/aarch64-ms-mangle-mfp8.cpp
diff --git a/clang/lib/AST/MicrosoftMangle.cpp
b/clang/lib/AST/MicrosoftMangle.cpp
index edeeaeaa9ae17c..42b735ccf4a2ce 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -2792,6 +2792,10 @@ void MicrosoftCXXNameMangler::mangleType(const
BuiltinType *T, Qualifiers,
mangleArtificialTagType(TagTypeKind::Struct, "__bf16", {"__clang"});
break;
+ case BuiltinType::MFloat8:
+ mangleArtificialTagType(TagTypeKind::Struct, "__mfp8", {"__clang"});
+ break;
+
#define WASM_REF_TYPE(InternalName, MangledName, Id, SingletonId, AS)
\
case BuiltinType::Id:
\
mangleArtificialTagType(TagTypeKind::Struct, MangledName);
\
@@ -2808,6 +2812,7 @@ void MicrosoftCXXNameMangler::mangleType(const
BuiltinType *T, Qualifiers,
#define SVE_TYPE(Name, Id, SingletonId) \
case BuiltinType::Id:
+#define SVE_SCALAR_TYPE(Name, MangledName, Id, SingletonId, Bits)
#include "clang/Basic/AArch64SVEACLETypes.def"
#define PPC_VECTOR_TYPE(Name, Id, Size) \
case BuiltinType::Id:
diff --git a/clang/test/CodeGenCXX/aarch64-ms-mangle-mfp8.cpp
b/clang/test/CodeGenCXX/aarch64-ms-mangle-mfp8.cpp
new file mode 100644
index 00000000000000..b5fd9171ad81a9
--- /dev/null
+++ b/clang/test/CodeGenCXX/aarch64-ms-mangle-mfp8.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -triple aarch64-windows-msvc -emit-llvm -o - %s | FileCheck
%s
+
+typedef __mfp8 mf8;
+typedef __attribute__((neon_vector_type(8))) __mfp8 mf8x8_t;
+typedef __attribute__((neon_vector_type(16))) __mfp8 mf8x16_t;
+
+// CHECK: "?f@@YAXU__mfp8@__clang@@@Z"
+void f(mf8 v) {}
+
+// CHECK: "?f@@YAXT?$__vector@U__mfp8@__clang@@$07@__clang@@@Z"
+void f(mf8x8_t v) {}
+
+// CHECK: "?f@@YAXT?$__vector@U__mfp8@__clang@@$0BA@@__clang@@@Z"
+void f(mf8x16_t v) {}
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