Index: lib/Driver/Driver.cpp =================================================================== --- lib/Driver/Driver.cpp +++ lib/Driver/Driver.cpp @@ -3880,7 +3880,13 @@ break; case llvm::Triple::MSVC: case llvm::Triple::UnknownEnvironment: - TC = llvm::make_unique(*this, Target, Args); + const auto A = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "link"); + if (A.equals_lower("link") || A.equals_lower("lld")) + TC = + llvm::make_unique(*this, Target, Args); + else + TC = llvm::make_unique( + *this, Target, Args); break; } break; Index: test/Driver/fuse-ld.c =================================================================== --- test/Driver/fuse-ld.c +++ test/Driver/fuse-ld.c @@ -67,3 +67,23 @@ // RUN: -gcc-toolchain %S/Inputs/basic_android_tree 2>&1 \ // RUN: | FileCheck %s -check-prefix=CHECK-ANDROID-ARM-GOLD-TC // CHECK-ANDROID-ARM-GOLD-TC: Inputs/basic_android_tree/lib/gcc/arm-linux-androideabi/4.4.3/../../../../arm-linux-androideabi/bin{{/|\\+}}ld.gold + + +// RUN: %clang %s -### -fuse-ld=link \ +// RUN: -target i686-unknown-windows-msvc 2>&1 \ +// RUN: | FileCheck %s --check-prefix CHECK-WINDOWS-MSVC-LINK +// CHECK-WINDOWS-MSVC-LINK: "{{.*}}link.exe" +// CHECK-WINDOWS-MSVC-LINK-SAME: "-out:{{.*}}" + +// RUN: %clang %s -### -fuse-ld=lld \ +// RUN: -target i686-unknown-windows-msvc 2>&1 \ +// RUN: | FileCheck %s --check-prefix CHECK-WINDOWS-MSVC-LLD +// CHECK-WINDOWS-MSVC-LLD: "{{.*}}lld-link" +// CHECK-WINDOWS-MSVC-LLD-SAME: "-out:{{.*}}" + +// RUN: %clang %s -### -fuse-ld=bfd \ +// RUN: -target i686-unknown-windows-msvc \ +// RUN: -B %S/Inputs/Windows/usr/bin 2>&1 \ +// RUN: | FileCheck %s --check-prefix CHECK-WINDOWS-MSVC-BFD +// CHECK-WINDOWS-MSVC-BFD: "{{.*}}ld.bfd" +// CHECK-WINDOWS-MSVC-BFD-SAME: "-o"