https://github.com/kikairoya created https://github.com/llvm/llvm-project/pull/158404
follow-up to https://github.com/llvm/llvm-project/commit/45ca613c135ea7b5fbc63bff003f20bf20f62081 >From 3d88b0f56df2a269adcc46daf7b6dc437b15964e Mon Sep 17 00:00:00 2001 From: kikairoya <kikair...@gmail.com> Date: Sat, 13 Sep 2025 09:54:55 +0900 Subject: [PATCH 1/2] correct mangling rule --- clang/lib/Basic/Targets/X86.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/clang/lib/Basic/Targets/X86.h b/clang/lib/Basic/Targets/X86.h index 6e013c95dbf01..d159a7906854c 100644 --- a/clang/lib/Basic/Targets/X86.h +++ b/clang/lib/Basic/Targets/X86.h @@ -646,6 +646,7 @@ class LLVM_LIBRARY_VISIBILITY CygwinX86_32TargetInfo : public X86_32TargetInfo { : X86_32TargetInfo(Triple, Opts) { this->WCharType = TargetInfo::UnsignedShort; this->WIntType = TargetInfo::UnsignedInt; + this->UseMicrosoftManglingForC = true; DoubleAlign = LongLongAlign = 64; resetDataLayout("e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-" "i128:128-f80:32-n8:16:32-a:0:32-S32", @@ -983,6 +984,7 @@ class LLVM_LIBRARY_VISIBILITY CygwinX86_64TargetInfo : public X86_64TargetInfo { : X86_64TargetInfo(Triple, Opts) { this->WCharType = TargetInfo::UnsignedShort; this->WIntType = TargetInfo::UnsignedInt; + this->UseMicrosoftManglingForC = true; } void getTargetDefines(const LangOptions &Opts, >From 7c39b808652b9616b74c5567c89144faa60a3b09 Mon Sep 17 00:00:00 2001 From: kikairoya <kikair...@gmail.com> Date: Sat, 13 Sep 2025 09:55:06 +0900 Subject: [PATCH 2/2] test --- clang/test/CodeGen/mangle-windows.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/clang/test/CodeGen/mangle-windows.c b/clang/test/CodeGen/mangle-windows.c index 046b1e8815a8a..e1b06e72a9635 100644 --- a/clang/test/CodeGen/mangle-windows.c +++ b/clang/test/CodeGen/mangle-windows.c @@ -1,8 +1,10 @@ // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s -// RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-mingw32 | FileCheck %s +// RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-mingw32 | FileCheck %s +// RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-cygwin | FileCheck %s // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-windows-msvc-elf | FileCheck %s --check-prefix=ELF32 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-pc-win32 | FileCheck %s --check-prefix=X64 -// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-mingw32 | FileCheck %s --check-prefix=X64 +// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-mingw32 | FileCheck %s --check-prefix=X64 +// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-cygwin | FileCheck %s --check-prefix=X64 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-pc-windows-msvc-elf | FileCheck %s --check-prefix=ELF64 // CHECK: target datalayout = "e-m:x-{{.*}}" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
