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Pull in r248379 from upstream clang trunk (by Jörg Sonnenberger):

Browse Source 
Refactor library decision for -fopenmp support from Darwin into a
  function for sharing with other platforms.

Pull in r248424 from upstream clang trunk (by Jörg Sonnenberger):

  Push OpenMP linker flags after linker input on Darwin. Don't add any
  libraries if -nostdlib is specified. Test.

Pull in r248426 from upstream clang trunk (by Jörg Sonnenberger):

  Support linking against OpenMP runtime on NetBSD.

Pull in r250657 from upstream clang trunk (by Dimitry Andric):

  Support linking against OpenMP runtime on FreeBSD.
This commit is contained in:
dim 2015-10-18 17:13:41 +00:00
parent 5723997412
commit 904ee0481b
1 changed files with 28 additions and 18 deletions
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46
contrib/llvm/tools/clang/lib/Driver/Tools.cpp
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@ -2460,6 +2460,28 @@ static OpenMPRuntimeKind getOpenMPRuntime(const ToolChain &TC,
return RT;
}
static void addOpenMPRuntime(ArgStringList &CmdArgs, const ToolChain &TC,
const ArgList &Args) {
if (!Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ,
options::OPT_fno_openmp, false))
return;
switch (getOpenMPRuntime(TC, Args)) {
case OMPRT_OMP:
CmdArgs.push_back("-lomp");
break;
case OMPRT_GOMP:
CmdArgs.push_back("-lgomp");
break;
case OMPRT_IOMP5:
CmdArgs.push_back("-liomp5");
break;
case OMPRT_Unknown:
// Already diagnosed.
break;
}
}
static void addSanitizerRuntime(const ToolChain &TC, const ArgList &Args,
ArgStringList &CmdArgs, StringRef Sanitizer,
bool IsShared) {
@ -6527,24 +6549,6 @@ void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddAllArgs(CmdArgs, options::OPT_L);
if (Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ,
options::OPT_fno_openmp, false)) {
switch (getOpenMPRuntime(getToolChain(), Args)) {
case OMPRT_OMP:
CmdArgs.push_back("-lomp");
break;
case OMPRT_GOMP:
CmdArgs.push_back("-lgomp");
break;
case OMPRT_IOMP5:
CmdArgs.push_back("-liomp5");
break;
case OMPRT_Unknown:
// Already diagnosed.
break;
}
}
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
// Build the input file for -filelist (list of linker input files) in case we
// need it later
@ -6563,6 +6567,10 @@ void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
InputFileList.push_back(II.getFilename());
}
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs))
addOpenMPRuntime(CmdArgs, getToolChain(), Args);
if (isObjCRuntimeLinked(Args) && !Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
// We use arclite library for both ARC and subscripting support.
@ -7358,6 +7366,7 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
addOpenMPRuntime(CmdArgs, ToolChain, Args);
if (D.CCCIsCXX()) {
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
if (Args.hasArg(options::OPT_pg))
@ -7673,6 +7682,7 @@ void netbsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
addOpenMPRuntime(CmdArgs, getToolChain(), Args);
if (D.CCCIsCXX()) {
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
CmdArgs.push_back("-lm");