[PATCH] D39509: Vary Windows toolchain selection by -fuse-ld

[Dave Lee via Phabricator via cfe-commits]

kastiglione updated this revision to Diff 121194.
kastiglione added a comment.

Base decision on "bfd" prefix


https://reviews.llvm.org/D39509

Files:
  lib/Driver/Driver.cpp
  test/Driver/Inputs/Windows/usr/bin/ld.bfd
  test/Driver/fuse-ld.c


Index: test/Driver/fuse-ld.c
===================================================================
--- test/Driver/fuse-ld.c
+++ test/Driver/fuse-ld.c
@@ -67,3 +67,29 @@
 // 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=lld-link \
+// RUN:     -target i686-unknown-windows-msvc 2>&1 \
+// RUN:   | FileCheck %s --check-prefix CHECK-WINDOWS-MSVC-LLD-LINK
+// CHECK-WINDOWS-MSVC-LLD-LINK: "{{.*}}lld-link"
+// CHECK-WINDOWS-MSVC-LLD-LINK-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"
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<toolchains::MSVCToolChain>(*this, Target, Args);
+        const auto A = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "link");
+        if (A.startswith_lower("bfd"))
+          TC = llvm::make_unique<toolchains::CrossWindowsToolChain>(
+              *this, Target, Args);
+        else
+          TC =
+              llvm::make_unique<toolchains::MSVCToolChain>(*this, Target, Args);
         break;
       }
       break;


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