Add support for the /Fi argument to clang-cl (PR20036)

Patch by Ehsan Akhgari!

Differential Revision: http://reviews.llvm.org/D4143

llvm-svn: 211081

diff --git a/clang/include/clang/Driver/CLCompatOptions.td b/clang/include/clang/Driver/CLCompatOptions.td
index e80a44b..13456b9 100644 (file)
--- a/clang/include/clang/Driver/CLCompatOptions.td
+++ b/clang/include/clang/Driver/CLCompatOptions.td
@@ -154,6 +154,9 @@ def _SLASH_FI : CLJoinedOrSeparate<"FI">,
 def _SLASH_Fe : CLJoined<"Fe">,
   HelpText<"Set output executable file or directory (ends in / or \\)">,
   MetaVarName<"<file or directory>">;
+def _SLASH_Fi : CLCompileJoined<"Fi">,
+  HelpText<"Set preprocess output file name">,
+  MetaVarName<"<file>">;
 def _SLASH_Fo : CLCompileJoined<"Fo">,
   HelpText<"Set output object file, or directory (ends in / or \\)">,
   MetaVarName<"<file or directory>">;
@@ -212,7 +215,6 @@ def _SLASH_favor : CLJoined<"favor">;
 def _SLASH_FC : CLFlag<"FC">;
 def _SLASH_F : CLFlag<"F">;
 def _SLASH_Fd : CLJoined<"Fd">;
-def _SLASH_Fi : CLJoined<"Fi">;
 def _SLASH_Fm : CLJoined<"Fm">;
 def _SLASH_fp : CLJoined<"fp">;
 def _SLASH_Fp : CLJoined<"Fp">;

diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 1a9de3a..dc07e64 100644 (file)
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1615,7 +1615,10 @@ const char *Driver::GetNamedOutputPath(Compilation &C,
   if (C.getArgs().hasArg(options::OPT__SLASH_P)) {
     assert(AtTopLevel && isa<PreprocessJobAction>(JA));
     StringRef BaseName = llvm::sys::path::filename(BaseInput);
-    return C.addResultFile(MakeCLOutputFilename(C.getArgs(), "", BaseName,
+    StringRef NameArg;
+    if (Arg *A = C.getArgs().getLastArg(options::OPT__SLASH_Fi))
+      NameArg = A->getValue();
+    return C.addResultFile(MakeCLOutputFilename(C.getArgs(), NameArg, BaseName,
                                                 types::TY_PP_C), &JA);
   }
 

diff --git a/clang/test/Driver/cl-outputs.c b/clang/test/Driver/cl-outputs.c
index ad4051d..46502f6 100644 (file)
--- a/clang/test/Driver/cl-outputs.c
+++ b/clang/test/Driver/cl-outputs.c
@@ -109,3 +109,11 @@
 // RUN: %clang_cl /P -### -- %s 2>&1 | FileCheck -check-prefix=P %s
 // P: "-E"
 // P: "-o" "cl-outputs.i"
+
+// RUN: %clang_cl /P /Fifoo -### -- %s 2>&1 | FileCheck -check-prefix=Fi1 %s
+// Fi1: "-E"
+// Fi1: "-o" "foo.i"
+
+// RUN: %clang_cl /P /Fifoo.x -### -- %s 2>&1 | FileCheck -check-prefix=Fi2 %s
+// Fi2: "-E"
+// Fi2: "-o" "foo.x"