From: Hans Wennborg <hans@hanshq.net>
Date: Tue, 25 Mar 2014 14:48:54 +0000 (+0000)
Subject: clang-cl: Forward /Gy or /Gy- when falling back to cl.exe
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d13c37832fb3792e1a05352184cb7b73e9fc8a93;p=clang

clang-cl: Forward /Gy or /Gy- when falling back to cl.exe

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204723 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 2307713db7..49d73f678f 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -7364,6 +7364,11 @@ Command *visualstudio::Compile::GetCommand(Compilation &C, const JobAction &JA,
   if (Arg *A = Args.getLastArg(options::OPT_frtti, options::OPT_fno_rtti))
     CmdArgs.push_back(A->getOption().getID() == options::OPT_frtti ? "/GR"
                                                                    : "/GR-");
+  if (Arg *A = Args.getLastArg(options::OPT_ffunction_sections,
+                               options::OPT_fno_function_sections))
+    CmdArgs.push_back(A->getOption().getID() == options::OPT_ffunction_sections
+                          ? "/Gy"
+                          : "/Gy-");
   if (Args.hasArg(options::OPT_fsyntax_only))
     CmdArgs.push_back("/Zs");
   if (Args.hasArg(options::OPT_g_Flag, options::OPT_gline_tables_only))
diff --git a/test/Driver/cl-fallback.c b/test/Driver/cl-fallback.c
index 62a71e9835..d90e5fa496 100644
--- a/test/Driver/cl-fallback.c
+++ b/test/Driver/cl-fallback.c
@@ -4,8 +4,9 @@
 // Note: %s must be preceded by --, otherwise it may be interpreted as a
 // command-line option, e.g. on Mac where %s is commonly under /Users.
 
-// RUN: %clang_cl /fallback /Dfoo=bar /Ubaz /Ifoo /O0 /Ox /GR /GR- /LD /LDd \
-// RUN:     /MD /MDd /MTd /MT /FImyheader.h /Zi -### -- %s 2>&1 | FileCheck %s
+// RUN: %clang_cl /fallback /Dfoo=bar /Ubaz /Ifoo /O0 /Ox /GR /GR- /Gy /Gy- \
+// RUN:   /LD /LDd /MD /MDd /MTd /MT /FImyheader.h /Zi -### -- %s 2>&1 \
+// RUN:   | FileCheck %s
 // CHECK: "-fdiagnostics-format" "msvc-fallback"
 // CHECK: ||
 // CHECK: cl.exe
@@ -17,6 +18,7 @@
 // CHECK: "-I" "foo"
 // CHECK: "/Ox"
 // CHECK: "/GR-"
+// CHECK: "/Gy-"
 // CHECK: "/Z7"
 // CHECK: "/FImyheader.h"
 // CHECK: "/LD"