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-rw-r--r--clang/lib/Driver/ToolChains/Clang.cpp55
-rw-r--r--clang/lib/Driver/ToolChains/Gnu.cpp19
-rw-r--r--clang/lib/Frontend/CompilerInvocation.cpp19
3 files changed, 75 insertions, 18 deletions
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index bd4e894d650..292cf72b56c 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -910,6 +910,37 @@ static void RenderDebugEnablingArgs(const ArgList &Args, ArgStringList &CmdArgs,
}
}
+static void RenderDebugInfoCompressionArgs(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const Driver &D) {
+ const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ);
+ if (!A)
+ return;
+
+ if (A->getOption().getID() == options::OPT_gz) {
+ if (llvm::zlib::isAvailable())
+ CmdArgs.push_back("-compress-debug-sections");
+ else
+ D.Diag(diag::warn_debug_compression_unavailable);
+ return;
+ }
+
+ StringRef Value = A->getValue();
+ if (Value == "none") {
+ CmdArgs.push_back("-compress-debug-sections=none");
+ } else if (Value == "zlib" || Value == "zlib-gnu") {
+ if (llvm::zlib::isAvailable()) {
+ CmdArgs.push_back(
+ Args.MakeArgString("-compress-debug-sections=" + Twine(Value)));
+ } else {
+ D.Diag(diag::warn_debug_compression_unavailable);
+ }
+ } else {
+ D.Diag(diag::err_drv_unsupported_option_argument)
+ << A->getOption().getName() << Value;
+ }
+}
+
static const char *RelocationModelName(llvm::Reloc::Model Model) {
switch (Model) {
case llvm::Reloc::Static:
@@ -1747,10 +1778,6 @@ static void CollectArgsForIntegratedAssembler(Compilation &C,
// arg after parsing the '-I' arg.
bool TakeNextArg = false;
- // When using an integrated assembler, translate -Wa, and -Xassembler
- // options.
- bool CompressDebugSections = false;
-
bool UseRelaxRelocations = ENABLE_X86_RELAX_RELOCATIONS;
const char *MipsTargetFeature = nullptr;
for (const Arg *A :
@@ -1825,12 +1852,11 @@ static void CollectArgsForIntegratedAssembler(Compilation &C,
CmdArgs.push_back("-massembler-fatal-warnings");
} else if (Value == "--noexecstack") {
CmdArgs.push_back("-mnoexecstack");
- } else if (Value == "-compress-debug-sections" ||
- Value == "--compress-debug-sections") {
- CompressDebugSections = true;
- } else if (Value == "-nocompress-debug-sections" ||
+ } else if (Value.startswith("-compress-debug-sections") ||
+ Value.startswith("--compress-debug-sections") ||
+ Value == "-nocompress-debug-sections" ||
Value == "--nocompress-debug-sections") {
- CompressDebugSections = false;
+ CmdArgs.push_back(Value.data());
} else if (Value == "-mrelax-relocations=yes" ||
Value == "--mrelax-relocations=yes") {
UseRelaxRelocations = true;
@@ -1883,12 +1909,6 @@ static void CollectArgsForIntegratedAssembler(Compilation &C,
}
}
}
- if (CompressDebugSections) {
- if (llvm::zlib::isAvailable())
- CmdArgs.push_back("-compress-debug-sections");
- else
- D.Diag(diag::warn_debug_compression_unavailable);
- }
if (UseRelaxRelocations)
CmdArgs.push_back("--mrelax-relocations");
if (MipsTargetFeature != nullptr) {
@@ -2824,6 +2844,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-generate-type-units");
}
+ RenderDebugInfoCompressionArgs(Args, CmdArgs, D);
+
bool UseSeparateSections = isUseSeparateSections(Triple);
if (Args.hasFlag(options::OPT_ffunction_sections,
@@ -4927,6 +4949,7 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
const llvm::Triple &Triple = getToolChain().getEffectiveTriple();
const std::string &TripleStr = Triple.getTriple();
+ const auto &D = getToolChain().getDriver();
// Don't warn about "clang -w -c foo.s"
Args.ClaimAllArgs(options::OPT_w);
@@ -5014,6 +5037,8 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
}
RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, DwarfVersion,
llvm::DebuggerKind::Default);
+ RenderDebugInfoCompressionArgs(Args, CmdArgs, D);
+
// Handle -fPIC et al -- the relocation-model affects the assembler
// for some targets.
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index d50f8e21f62..c9d15ea00d8 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -650,6 +650,8 @@ void tools::gnutools::Assembler::ConstructJob(Compilation &C,
const InputInfoList &Inputs,
const ArgList &Args,
const char *LinkingOutput) const {
+ const auto &D = getToolChain().getDriver();
+
claimNoWarnArgs(Args);
ArgStringList CmdArgs;
@@ -660,6 +662,23 @@ void tools::gnutools::Assembler::ConstructJob(Compilation &C,
std::tie(RelocationModel, PICLevel, IsPIE) =
ParsePICArgs(getToolChain(), Args);
+ if (const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ)) {
+ if (A->getOption().getID() == options::OPT_gz) {
+ CmdArgs.push_back("-compress-debug-sections");
+ } else {
+ StringRef Value = A->getValue();
+ if (Value == "none") {
+ CmdArgs.push_back("-compress-debug-sections=none");
+ } else if (Value == "zlib" || Value == "zlib-gnu") {
+ CmdArgs.push_back(
+ Args.MakeArgString("-compress-debug-sections=" + Twine(Value)));
+ } else {
+ D.Diag(diag::err_drv_unsupported_option_argument)
+ << A->getOption().getName() << Value;
+ }
+ }
+ }
+
switch (getToolChain().getArch()) {
default:
break;
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 203723953a6..6254b0013ba 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -745,9 +745,22 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
Opts.CallFEntry = Args.hasArg(OPT_mfentry);
Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info);
- // TODO: map this from -gz in the driver and give it a named value
- if (Args.hasArg(OPT_compress_debug_sections))
- Opts.setCompressDebugSections(llvm::DebugCompressionType::GNU);
+
+ if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections,
+ OPT_compress_debug_sections_EQ)) {
+ if (A->getOption().getID() == OPT_compress_debug_sections) {
+ // TODO: be more clever about the compression type auto-detection
+ Opts.setCompressDebugSections(llvm::DebugCompressionType::GNU);
+ } else {
+ auto DCT = llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
+ .Case("none", llvm::DebugCompressionType::None)
+ .Case("zlib", llvm::DebugCompressionType::Z)
+ .Case("zlib-gnu", llvm::DebugCompressionType::GNU)
+ .Default(llvm::DebugCompressionType::None);
+ Opts.setCompressDebugSections(DCT);
+ }
+ }
+
Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
for (auto A : Args.filtered(OPT_mlink_bitcode_file, OPT_mlink_cuda_bitcode)) {
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