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Add fveclib option. 

Review: http://reviews.llvm.org/D8097
llvm-svn: 232533
This commit is contained in:
Michael Zolotukhin 2015-03-17 20:03:11 +00:00
parent ba05a784ff
commit c888dd0cb8
7 changed files with 38 additions and 0 deletions
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2
clang/include/clang/Driver/Options.td
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@ -756,6 +756,8 @@ def fno_exceptions : Flag<["-"], "fno-exceptions">, Group<f_Group>;
def fno_gnu_keywords : Flag<["-"], "fno-gnu-keywords">, Group<f_Group>, Flags<[CC1Option]>;
def fno_inline_functions : Flag<["-"], "fno-inline-functions">, Group<f_clang_Group>, Flags<[CC1Option]>;
def fno_inline : Flag<["-"], "fno-inline">, Group<f_clang_Group>, Flags<[CC1Option]>;
def fveclib : Joined<["-"], "fveclib=">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"Use the given vector functions library">;
def fno_lax_vector_conversions : Flag<["-"], "fno-lax-vector-conversions">, Group<f_Group>,
HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">, Flags<[CC1Option]>;
def fno_merge_all_constants : Flag<["-"], "fno-merge-all-constants">, Group<f_Group>,

3
clang/include/clang/Frontend/CodeGenOptions.def
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@ -162,6 +162,9 @@ VALUE_CODEGENOPT(DwarfVersion, 3, 0)
/// The kind of inlining to perform.
ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NoInlining)
// Vector functions library to use.
ENUM_CODEGENOPT(VecLib, VectorLibrary, 1, NoLibrary)
/// The default TLS model to use.
ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)

5
clang/include/clang/Frontend/CodeGenOptions.h
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@ -46,6 +46,11 @@ public:
OnlyAlwaysInlining // Only run the always inlining pass.
};
enum VectorLibrary {
NoLibrary, // Don't use any vector library.
Accelerate // Use the Accelerate framework.
};
enum ObjCDispatchMethodKind {
Legacy = 0,
NonLegacy = 1,

8
clang/lib/CodeGen/BackendUtil.cpp
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@ -237,6 +237,14 @@ static TargetLibraryInfoImpl *createTLII(llvm::Triple &TargetTriple,
TargetLibraryInfoImpl *TLII = new TargetLibraryInfoImpl(TargetTriple);
if (!CodeGenOpts.SimplifyLibCalls)
TLII->disableAllFunctions();
switch (CodeGenOpts.getVecLib()) {
case CodeGenOptions::Accelerate:
TLII->addVectorizableFunctionsFromVecLib(TargetLibraryInfoImpl::Accelerate);
break;
default:
break;
}
return TLII;
}

2
clang/lib/Driver/Tools.cpp
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@ -2864,6 +2864,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
else
CmdArgs.push_back(Args.MakeArgString(getToolChain().getThreadModel()));
Args.AddLastArg(CmdArgs, options::OPT_fveclib);
if (!Args.hasFlag(options::OPT_fmerge_all_constants,
options::OPT_fno_merge_all_constants))
CmdArgs.push_back("-fno-merge-all-constants");

10
clang/lib/Frontend/CompilerInvocation.cpp
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@ -367,6 +367,16 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ?
CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining());
if (Arg *A = Args.getLastArg(OPT_fveclib)) {
StringRef Name = A->getValue();
if (Name == "Accelerate")
Opts.setVecLib(CodeGenOptions::Accelerate);
else if (Name == "none")
Opts.setVecLib(CodeGenOptions::NoLibrary);
else
Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
}
if (Args.hasArg(OPT_gline_tables_only)) {
Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly);
} else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||

8
clang/test/Driver/fveclib.c Normal file
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@ -0,0 +1,8 @@
// RUN: %clang -### -c -fveclib=none %s 2>&1 | FileCheck -check-prefix CHECK-NOLIB %s
// RUN: %clang -### -c -fveclib=Accelerate %s 2>&1 | FileCheck -check-prefix CHECK-ACCELERATE %s
// RUN: not %clang -c -fveclib=something %s 2>&1 | FileCheck -check-prefix CHECK-INVALID %s
// CHECK-NOLIB: "-fveclib=none"
// CHECK-ACCELERATE: "-fveclib=Accelerate"
// CHECK-INVALID: error: invalid value 'something' in '-fveclib=something'