From d083b9a8f67a10d24e2ccceb96b92a9a0dd119bc Mon Sep 17 00:00:00 2001
From: Paul Robinson <paul_robinson@playstation.sony.com>
Date: Wed, 16 Dec 2015 17:25:27 +0000
Subject: [PS4][Profile] add "--dependent-lib=libclang_rt.profile-x86_64.a" to
 the CC1 command line when enabling code coverage.

Patch by Ying Yi!

Differential Revision: http://reviews.llvm.org/D15222

llvm-svn: 255784
---
 clang/lib/Driver/Tools.cpp | 40 +++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

(limited to 'clang/lib/Driver/Tools.cpp')

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 20a1035bd58..dc125d63898 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3198,6 +3198,23 @@ static void addPGOAndCoverageFlags(Compilation &C, const Driver &D,
   }
 }
 
+static void addPS4ProfileRTArgs(const ToolChain &TC, const ArgList &Args,
+                                ArgStringList &CmdArgs) {
+  if ((Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
+                    false) ||
+       Args.hasFlag(options::OPT_fprofile_generate,
+                    options::OPT_fno_profile_instr_generate, false) ||
+       Args.hasFlag(options::OPT_fprofile_generate_EQ,
+                    options::OPT_fno_profile_instr_generate, false) ||
+       Args.hasFlag(options::OPT_fprofile_instr_generate,
+                    options::OPT_fno_profile_instr_generate, false) ||
+       Args.hasFlag(options::OPT_fprofile_instr_generate_EQ,
+                    options::OPT_fno_profile_instr_generate, false) ||
+       Args.hasArg(options::OPT_fcreate_profile) ||
+       Args.hasArg(options::OPT_coverage)))
+    CmdArgs.push_back("--dependent-lib=libclang_rt.profile-x86_64.a");
+}
+
 /// Parses the various -fpic/-fPIC/-fpie/-fPIE arguments.  Then,
 /// smooshes them together with platform defaults, to decide whether
 /// this compile should be using PIC mode or not. Returns a tuple of
@@ -4133,6 +4150,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
 
   addPGOAndCoverageFlags(C, D, Output, Args, CmdArgs);
 
+  // Add runtime flag for PS4 when PGO or Coverage are enabled.
+  if (getToolChain().getTriple().isPS4CPU())
+    addPS4ProfileRTArgs(getToolChain(), Args, CmdArgs);
+
   // Pass options for controlling the default header search paths.
   if (Args.hasArg(options::OPT_nostdinc)) {
     CmdArgs.push_back("-nostdsysteminc");
@@ -10182,21 +10203,6 @@ void PS4cpu::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
   C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
 }
 
-static void AddPS4ProfileRT(const ToolChain &TC, const ArgList &Args,
-                            ArgStringList &CmdArgs) {
-  if (!(Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
-                     false) ||
-        Args.hasArg(options::OPT_fprofile_generate) ||
-        Args.hasArg(options::OPT_fprofile_instr_generate) ||
-        Args.hasArg(options::OPT_fcreate_profile) ||
-        Args.hasArg(options::OPT_coverage)))
-    return;
-
-  assert(TC.getTriple().isPS4CPU() &&
-         "Profiling libraries are only implemented for the PS4 CPU");
-  CmdArgs.push_back("-lclang_rt.profile-x86_64");
-}
-
 static void AddPS4SanitizerArgs(const ToolChain &TC, ArgStringList &CmdArgs) {
   const SanitizerArgs &SanArgs = TC.getSanitizerArgs();
   if (SanArgs.needsUbsanRt()) {
@@ -10261,8 +10267,6 @@ static void ConstructPS4LinkJob(const Tool &T, Compilation &C,
     CmdArgs.push_back("-lpthread");
   }
 
-  AddPS4ProfileRT(ToolChain, Args, CmdArgs);
-
   const char *Exec = Args.MakeArgString(ToolChain.GetProgramPath("ps4-ld"));
 
   C.addCommand(llvm::make_unique<Command>(JA, T, Exec, CmdArgs, Inputs));
@@ -10434,8 +10438,6 @@ static void ConstructGoldLinkJob(const Tool &T, Compilation &C,
     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
   }
 
-  AddPS4ProfileRT(ToolChain, Args, CmdArgs);
-
   const char *Exec =
 #ifdef LLVM_ON_WIN32
       Args.MakeArgString(ToolChain.GetProgramPath("ps4-ld.gold.exe"));
-- 
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