ellis updated this revision to Diff 355066.
ellis added a comment.
Add min instruction count frontend flag.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D104088/new/
https://reviews.llvm.org/D104088
Files:
clang/include/clang/Driver/Options.td
clang/include/clang/Driver/ToolChain.h
clang/lib/Driver/ToolChain.cpp
clang/lib/Driver/ToolChains/AIX.cpp
clang/lib/Driver/ToolChains/Clang.cpp
clang/lib/Driver/ToolChains/Darwin.cpp
clang/lib/Driver/ToolChains/Darwin.h
clang/lib/Driver/ToolChains/DragonFly.cpp
clang/lib/Driver/ToolChains/FreeBSD.cpp
clang/lib/Driver/ToolChains/Fuchsia.cpp
clang/lib/Driver/ToolChains/Fuchsia.h
clang/lib/Driver/ToolChains/Gnu.cpp
clang/lib/Driver/ToolChains/Linux.cpp
clang/lib/Driver/ToolChains/Linux.h
clang/lib/Driver/ToolChains/NetBSD.cpp
clang/lib/Driver/ToolChains/Solaris.cpp
clang/test/CMakeLists.txt
clang/test/Driver/clang-mip-flags.c
Index: clang/test/Driver/clang-mip-flags.c
===================================================================
--- /dev/null
+++ clang/test/Driver/clang-mip-flags.c
@@ -0,0 +1,49 @@
+// REQUIRES: clang-driver
+// UNSUPPORTED: windows-msvc
+
+// RUN: %clang -### -fmachine-profile-use=/path/to/profile.mip %s 2>&1 | FileCheck %s --check-prefix USE
+// USE: "-cc1"
+// USE-SAME: "-mllvm" "-machine-profile-use=/path/to/profile.mip"
+// USE-SAME: "-mllvm" "-link-unit-name=a.out"
+
+// RUN: %clang -### -fmachine-profile-use=/path/to/profile.mip -o my-executable %s 2>&1 | FileCheck %s --check-prefix USE-OUTPUT
+// RUN: %clang -### -fmachine-profile-use=/path/to/profile.mip -fmachine-profile-link-unit-name=my-executable %s 2>&1 | FileCheck %s --check-prefix USE-OUTPUT
+// USE-OUTPUT: "-cc1"
+// USE-OUTPUT-SAME: "-mllvm" "-link-unit-name=my-executable"
+
+// RUN: %clang -### -fmachine-profile-generate %s 2>&1 | FileCheck %s --check-prefix GEN
+// RUN: %clang -### -fno-machine-profile-generate -fmachine-profile-generate %s 2>&1 | FileCheck %s --check-prefix GEN
+// GEN: "-cc1"
+// GEN-SAME: "-mllvm" "-enable-machine-instrumentation"
+// GEN-SAME: "-mllvm" "-link-unit-name=a.out"
+
+// RUN: %clang -### %s 2>&1 | FileCheck %s --check-prefix NOGEN
+// RUN: %clang -### -fno-machine-profile-generate %s 2>&1 | FileCheck %s --check-prefix NOGEN
+// RUN: %clang -### -fmachine-profile-generate -fno-machine-profile-generate %s 2>&1 | FileCheck %s --check-prefix NOGEN
+// NOGEN-NOT: "-enable-machine-instrumentation"
+
+// RUN: %clang -### -fmachine-profile-generate -fmachine-profile-function-coverage %s 2>&1 | FileCheck %s --check-prefix FUNCCOV
+// FUNCCOV: "-cc1"
+// FUNCCOV-SAME: "-mllvm" "-enable-machine-function-coverage"
+
+// RUN: %clang -### -fmachine-profile-generate -fmachine-profile-block-coverage %s 2>&1 | FileCheck %s --check-prefix BLOCKCOV
+// BLOCKCOV: "-cc1"
+// BLOCKCOV-SAME: "-mllvm" "-enable-machine-block-coverage"
+
+// RUN: %clang -### -fmachine-profile-generate %s 2>&1 | FileCheck %s --check-prefix FULL
+// RUN: %clang -### -fmachine-profile-generate -fmachine-profile-call-graph %s 2>&1 | FileCheck %s --check-prefix FULL
+// FULL: "-cc1"
+// FULL-SAME: "-mllvm" "-enable-machine-call-graph"
+
+// RUN: %clang -### -fmachine-profile-generate -fmachine-profile-runtime-buffer=1024 %s 2>&1 | FileCheck %s --check-prefix RUNTIMEBUF
+// RUNTIMEBUF: "-cc1"
+// RUNTIMEBUF-SAME: "-mllvm" "-machine-profile-runtime-buffer=1024"
+
+// RUN: %clang -### -fmachine-profile-generate -fmachine-profile-function-group-count=22 -fmachine-profile-selected-function-group=11 %s 2>&1 | FileCheck %s --check-prefix GEN-GROUPS
+// GEN-GROUPS: "-cc1"
+// GEN-GROUPS-SAME: "-mllvm" "-machine-profile-function-group-count=22"
+// GEN-GROUPS-SAME: "-mllvm" "-machine-profile-selected-function-group=11"
+
+// RUN: %clang -### -fmachine-profile-generate -fmachine-profile-min-instruction-count=50 %s 2>&1 | FileCheck %s --check-prefix MIN-INSTR
+// MIN-INSTR: "-cc1"
+// MIN-INSTR-SAME: "-mllvm" "-machine-profile-min-instruction-count=50"
Index: clang/test/CMakeLists.txt
===================================================================
--- clang/test/CMakeLists.txt
+++ clang/test/CMakeLists.txt
@@ -118,6 +118,7 @@
llvm-lto2
llvm-modextract
llvm-nm
+ llvm-mipdata
llvm-objcopy
llvm-objdump
llvm-profdata
Index: clang/lib/Driver/ToolChains/Solaris.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Solaris.cpp
+++ clang/lib/Driver/ToolChains/Solaris.cpp
@@ -149,6 +149,7 @@
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
getToolChain().addProfileRTLibs(Args, CmdArgs);
+ getToolChain().addMachineProfileRTLibs(Args, CmdArgs);
const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
Index: clang/lib/Driver/ToolChains/NetBSD.cpp
===================================================================
--- clang/lib/Driver/ToolChains/NetBSD.cpp
+++ clang/lib/Driver/ToolChains/NetBSD.cpp
@@ -337,6 +337,7 @@
}
ToolChain.addProfileRTLibs(Args, CmdArgs);
+ ToolChain.addMachineProfileRTLibs(Args, CmdArgs);
const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
C.addCommand(std::make_unique<Command>(JA, *this,
Index: clang/lib/Driver/ToolChains/Linux.h
===================================================================
--- clang/lib/Driver/ToolChains/Linux.h
+++ clang/lib/Driver/ToolChains/Linux.h
@@ -49,6 +49,9 @@
SanitizerMask getSupportedSanitizers() const override;
void addProfileRTLibs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
+ void
+ addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override;
std::string computeSysRoot() const override;
std::string getDynamicLinker(const llvm::opt::ArgList &Args) const override;
Index: clang/lib/Driver/ToolChains/Linux.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Linux.cpp
+++ clang/lib/Driver/ToolChains/Linux.cpp
@@ -17,6 +17,7 @@
#include "clang/Driver/Driver.h"
#include "clang/Driver/Options.h"
#include "clang/Driver/SanitizerArgs.h"
+#include "llvm/MIP/MIP.h"
#include "llvm/Option/ArgList.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/Path.h"
@@ -735,6 +736,17 @@
ToolChain::addProfileRTLibs(Args, CmdArgs);
}
+void Linux::addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const {
+ // Add linker option -u__llvm_mip_runtime to cause runtime
+ // initialization module to be linked in.
+ if (needsMachineProfileRT(Args) &&
+ !Args.hasArg(options::OPT_fno_machine_profile_dump)) {
+ CmdArgs.push_back(Args.MakeArgString("-u" MIP_RUNTIME_SYMBOL_NAME));
+ }
+ ToolChain::addMachineProfileRTLibs(Args, CmdArgs);
+}
+
llvm::DenormalMode
Linux::getDefaultDenormalModeForType(const llvm::opt::ArgList &DriverArgs,
const JobAction &JA,
Index: clang/lib/Driver/ToolChains/Gnu.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Gnu.cpp
+++ clang/lib/Driver/ToolChains/Gnu.cpp
@@ -571,6 +571,7 @@
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
// The profile runtime also needs access to system libraries.
getToolChain().addProfileRTLibs(Args, CmdArgs);
+ getToolChain().addMachineProfileRTLibs(Args, CmdArgs);
if (D.CCCIsCXX() &&
!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
Index: clang/lib/Driver/ToolChains/Fuchsia.h
===================================================================
--- clang/lib/Driver/ToolChains/Fuchsia.h
+++ clang/lib/Driver/ToolChains/Fuchsia.h
@@ -74,6 +74,10 @@
void addProfileRTLibs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
+ void
+ addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override;
+
RuntimeLibType
GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
CXXStdlibType
Index: clang/lib/Driver/ToolChains/Fuchsia.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -14,6 +14,7 @@
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "clang/Driver/SanitizerArgs.h"
+#include "llvm/MIP/MIP.h"
#include "llvm/Option/ArgList.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/FileSystem.h"
@@ -128,6 +129,7 @@
bool NeedsXRayDeps = addXRayRuntime(ToolChain, Args, CmdArgs);
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
ToolChain.addProfileRTLibs(Args, CmdArgs);
+ ToolChain.addMachineProfileRTLibs(Args, CmdArgs);
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
if (Args.hasArg(options::OPT_static))
@@ -447,3 +449,14 @@
Twine("-u", llvm::getInstrProfRuntimeHookVarName())));
ToolChain::addProfileRTLibs(Args, CmdArgs);
}
+
+void Fuchsia::addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const {
+ // Add linker option -u__llvm_mip_runtime to cause runtime
+ // initialization module to be linked in.
+ if (needsMachineProfileRT(Args) &&
+ !Args.hasArg(options::OPT_fno_machine_profile_dump)) {
+ CmdArgs.push_back(Args.MakeArgString("-u" MIP_RUNTIME_SYMBOL_NAME));
+ }
+ ToolChain::addProfileRTLibs(Args, CmdArgs);
+}
Index: clang/lib/Driver/ToolChains/FreeBSD.cpp
===================================================================
--- clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -365,6 +365,7 @@
}
ToolChain.addProfileRTLibs(Args, CmdArgs);
+ ToolChain.addMachineProfileRTLibs(Args, CmdArgs);
const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
C.addCommand(std::make_unique<Command>(JA, *this,
Index: clang/lib/Driver/ToolChains/DragonFly.cpp
===================================================================
--- clang/lib/Driver/ToolChains/DragonFly.cpp
+++ clang/lib/Driver/ToolChains/DragonFly.cpp
@@ -169,6 +169,7 @@
}
getToolChain().addProfileRTLibs(Args, CmdArgs);
+ getToolChain().addMachineProfileRTLibs(Args, CmdArgs);
const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
C.addCommand(std::make_unique<Command>(JA, *this,
Index: clang/lib/Driver/ToolChains/Darwin.h
===================================================================
--- clang/lib/Driver/ToolChains/Darwin.h
+++ clang/lib/Driver/ToolChains/Darwin.h
@@ -202,6 +202,14 @@
// There aren't any profiling libs for embedded targets currently.
}
+ /// Add any profiling runtime libraries that are needed. This is essentially a
+ /// MachO specific version of addMachineProfileRT in Tools.cpp.
+ void
+ addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override {
+ // There aren't any profiling libs for embedded targets currently.
+ }
+
/// }
/// @name ToolChain Implementation
/// {
@@ -329,6 +337,10 @@
void addProfileRTLibs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
+ void
+ addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override;
+
protected:
/// }
/// @name Darwin specific Toolchain functions
Index: clang/lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Darwin.cpp
+++ clang/lib/Driver/ToolChains/Darwin.cpp
@@ -19,6 +19,7 @@
#include "clang/Driver/Options.h"
#include "clang/Driver/SanitizerArgs.h"
#include "llvm/ADT/StringSwitch.h"
+#include "llvm/MIP/MIP.h"
#include "llvm/Option/ArgList.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/Path.h"
@@ -657,6 +658,7 @@
CmdArgs.push_back("-allow_stack_execute");
getMachOToolChain().addProfileRTLibs(Args, CmdArgs);
+ getMachOToolChain().addMachineProfileRTLibs(Args, CmdArgs);
StringRef Parallelism = getLTOParallelism(Args, getToolChain().getDriver());
if (!Parallelism.empty()) {
@@ -1256,6 +1258,18 @@
}
}
+void Darwin::addMachineProfileRTLibs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ if (!needsMachineProfileRT(Args))
+ return;
+
+ AddLinkRuntimeLib(Args, CmdArgs, "mip",
+ RuntimeLinkOptions(RLO_AlwaysLink | RLO_FirstLink));
+
+ if (!Args.hasArg(options::OPT_fno_machine_profile_dump))
+ addExportedSymbol(CmdArgs, "_" MIP_RUNTIME_SYMBOL_NAME);
+}
+
void DarwinClang::AddLinkSanitizerLibArgs(const ArgList &Args,
ArgStringList &CmdArgs,
StringRef Sanitizer,
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -967,6 +967,107 @@
}
}
+static void addMachineProfileFlags(const Driver &D, const ArgList &Args,
+ ArgStringList &CmdArgs) {
+ // FIXME: Machine profile generation flags need to be added to linker args
+ // when LTO is on.
+ if (!D.isUsingLTO()) {
+ bool HasMIPFlags = false;
+ if (Args.hasFlag(options::OPT_fmachine_profile_generate,
+ options::OPT_fno_machine_profile_generate, false)) {
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back("-enable-machine-instrumentation");
+ // TODO: Add a tool to run `llvm-objcopy` and `llvm-mipdata` to fully
+ // extract and create an empty .mip file after the link step.
+ HasMIPFlags = true;
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_fmachine_profile_use_EQ)) {
+ StringRef value = A->getValue();
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString("-machine-profile-use=" + value));
+ HasMIPFlags = true;
+ }
+
+ if (!HasMIPFlags)
+ return;
+
+ std::string LinkUnitName;
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_fmachine_profile_link_unit_name_EQ)) {
+ LinkUnitName = A->getValue();
+ } else if (const Arg *A = Args.getLastArg(options::OPT_o)) {
+ LinkUnitName = A->getValue();
+ } else {
+ LinkUnitName = D.getDefaultImageName();
+ }
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString("-link-unit-name=" + LinkUnitName));
+
+ if (Args.hasFlag(options::OPT_fmachine_profile_function_coverage,
+ options::OPT_fno_machine_profile_function_coverage,
+ false)) {
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back("-enable-machine-function-coverage");
+ } else if (Args.hasFlag(options::OPT_fmachine_profile_call_graph,
+ options::OPT_fno_machine_profile_call_graph,
+ true)) {
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back("-enable-machine-call-graph");
+ }
+
+ if (Args.hasFlag(options::OPT_fmachine_profile_block_coverage,
+ options::OPT_fno_machine_profile_block_coverage, false)) {
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back("-enable-machine-block-coverage");
+ }
+
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_fmachine_profile_runtime_buffer_EQ)) {
+ StringRef S = A->getValue();
+ unsigned RuntimeBufferSize;
+ if (S.getAsInteger(0, RuntimeBufferSize))
+ D.Diag(clang::diag::err_drv_invalid_value) << A->getAsString(Args) << S;
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString("-machine-profile-runtime-buffer=" +
+ Twine(RuntimeBufferSize)));
+ }
+
+ unsigned GroupCount = 1;
+ if (const Arg *A = Args.getLastArg(
+ options::OPT_fmachine_profile_function_group_count_EQ)) {
+ StringRef S = A->getValue();
+ if (S.getAsInteger(0, GroupCount) || GroupCount < 1)
+ D.Diag(clang::diag::err_drv_invalid_value) << A->getAsString(Args) << S;
+ // TODO: Add these args in the linker if we are using LTO.
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString(
+ "-machine-profile-function-group-count=" + Twine(GroupCount)));
+ }
+
+ if (const Arg *A = Args.getLastArg(
+ options::OPT_fmachine_profile_selected_function_group_EQ)) {
+ unsigned SelectedGroup;
+ StringRef S = A->getValue();
+ if (S.getAsInteger(0, SelectedGroup) || SelectedGroup >= GroupCount)
+ D.Diag(clang::diag::err_drv_invalid_value) << A->getAsString(Args) << S;
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString(
+ "-machine-profile-selected-function-group=" + Twine(SelectedGroup)));
+ }
+
+ if (const Arg *A = Args.getLastArg(
+ options::OPT_fmachine_profile_min_instruction_count_EQ)) {
+ unsigned MinInstructionCount;
+ StringRef S = A->getValue();
+ if (S.getAsInteger(0, MinInstructionCount) || MinInstructionCount < 1)
+ D.Diag(clang::diag::err_drv_invalid_value) << A->getAsString(Args) << S;
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString("-machine-profile-min-instruction-count=" + Twine(MinInstructionCount)));
+ }
+ }
+}
+
/// Check whether the given input tree contains any compilation actions.
static bool ContainsCompileAction(const Action *A) {
if (isa<CompileJobAction>(A) || isa<BackendJobAction>(A))
@@ -5303,6 +5404,8 @@
if (!Triple.isNVPTX() && !Triple.isAMDGCN())
addPGOAndCoverageFlags(TC, C, D, Output, Args, CmdArgs);
+ addMachineProfileFlags(D, Args, CmdArgs);
+
Args.AddLastArg(CmdArgs, options::OPT_fclang_abi_compat_EQ);
// Add runtime flag for PS4 when PGO, coverage, or sanitizers are enabled.
Index: clang/lib/Driver/ToolChains/AIX.cpp
===================================================================
--- clang/lib/Driver/ToolChains/AIX.cpp
+++ clang/lib/Driver/ToolChains/AIX.cpp
@@ -155,6 +155,8 @@
if (getToolChain().ShouldLinkCXXStdlib(Args))
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+ ToolChain.addMachineProfileRTLibs(Args, CmdArgs);
+
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
Index: clang/lib/Driver/ToolChain.cpp
===================================================================
--- clang/lib/Driver/ToolChain.cpp
+++ clang/lib/Driver/ToolChain.cpp
@@ -517,6 +517,12 @@
Args.hasArg(options::OPT_forder_file_instrumentation);
}
+bool ToolChain::needsMachineProfileRT(const ArgList &Args) {
+ return Args.hasFlag(options::OPT_fmachine_profile_generate,
+ options::OPT_fno_machine_profile_generate, false) &&
+ !Args.hasArg(options::OPT_fno_machine_profile_runtime);
+}
+
bool ToolChain::needsGCovInstrumentation(const llvm::opt::ArgList &Args) {
return Args.hasArg(options::OPT_coverage) ||
Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
@@ -749,6 +755,14 @@
CmdArgs.push_back(getCompilerRTArgString(Args, "profile"));
}
+void ToolChain::addMachineProfileRTLibs(
+ const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const {
+ if (!needsMachineProfileRT(Args))
+ return;
+
+ CmdArgs.push_back(getCompilerRTArgString(Args, "mip"));
+}
+
ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
const ArgList &Args) const {
if (runtimeLibType)
Index: clang/include/clang/Driver/ToolChain.h
===================================================================
--- clang/include/clang/Driver/ToolChain.h
+++ clang/include/clang/Driver/ToolChain.h
@@ -457,6 +457,9 @@
/// needsProfileRT - returns true if instrumentation profile is on.
static bool needsProfileRT(const llvm::opt::ArgList &Args);
+ /// Returns true if machine profile instrumentation is on.
+ static bool needsMachineProfileRT(const llvm::opt::ArgList &Args);
+
/// Returns true if gcov instrumentation (-fprofile-arcs or --coverage) is on.
static bool needsGCovInstrumentation(const llvm::opt::ArgList &Args);
@@ -660,6 +663,11 @@
virtual void addProfileRTLibs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const;
+ /// addMachineProfileRTLibs - When -fmachine-profile-generate is specified,
+ /// try to pass a suitable profile runtime library to the linker.
+ virtual void addMachineProfileRTLibs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const;
+
/// Add arguments to use system-specific CUDA includes.
virtual void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const;
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -1191,6 +1191,46 @@
CodeGenOpts<"CoverageMapping">, DefaultFalse,
PosFlag<SetTrue, [CC1Option], "Generate coverage mapping to enable code coverage analysis">,
NegFlag<SetFalse, [], "Disable code coverage analysis">, BothFlags<[CoreOption]>>;
+
+def fmachine_profile_generate : Flag<["-"], "fmachine-profile-generate">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Generate MIP instrumented code.">;
+def fno_machine_profile_generate : Flag<["-"], "fno-machine-profile-generate">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Disable MIP instrumented code.">;
+def fmachine_profile_function_coverage : Flag<["-"], "fmachine-profile-function-coverage">, Group<f_Group>,
+ Flags<[CC1Option]>, HelpText<"Enable MIP machine function coverage instrumentation.">;
+def fno_machine_profile_function_coverage : Flag<["-"], "fno-machine-profile-function-coverage">, Group<f_Group>,
+ Flags<[CC1Option]>, HelpText<"Disable MIP machine function coverage instrumentation.">;
+def fmachine_profile_block_coverage : Flag<["-"], "fmachine-profile-block-coverage">, Group<f_Group>,
+ Flags<[CC1Option]>, HelpText<"Enable MIP machine basic block coverage instrumentation.">;
+def fno_machine_profile_block_coverage : Flag<["-"], "fno-machine-profile-block-coverage">, Group<f_Group>,
+ Flags<[CC1Option]>, HelpText<"Disable MIP machine basic block coverage instrumentation.">;
+def fmachine_profile_call_graph : Flag<["-"], "fmachine-profile-call-graph">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Enable full MIP instrumentation. Cannot be used with -fmachine-profile-function-coverage.">;
+def fno_machine_profile_call_graph : Flag<["-"], "fno-machine-profile-call-graph">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Disable full MIP instrumentation.">;
+def fmachine_profile_runtime_buffer_EQ : Joined<["-"], "fmachine-profile-runtime-buffer=">, Group<f_Group>,
+ Flags<[CC1Option]>, MetaVarName<"<RuntimeBufferSize>">,
+ HelpText<"Allocate a buffer of <RuntimeBufferSize> bytes to hold machine function call samples.">;
+def fmachine_profile_link_unit_name_EQ : Joined<["-"], "fmachine-profile-link-unit-name=">,
+ Group<f_Group>, Flags<[CC1Option]>, MetaVarName<"<LinkUnitName>">,
+ HelpText<"Use <LinkUnitName> to identify this link unit.">;
+def fno_machine_profile_runtime : Flag<["-"], "fno-machine-profile-runtime">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Do not link the machine profile runtime.">;
+def fno_machine_profile_dump : Flag<["-"], "fno-machine-profile-dump">, Group<f_Group>, Flags<[CC1Option]>,
+ HelpText<"Do not dump a raw machine profile when the program exits.">;
+def fmachine_profile_function_group_count_EQ : Joined<["-"], "fmachine-profile-function-group-count=">, Group<f_Group>,
+ Flags<[CC1Option]>, MetaVarName<"<N>">,
+ HelpText<"Partition the machine functions into <N> groups and instrument the group specified by -fmachine-profile-selected-function-group.">;
+def fmachine_profile_selected_function_group_EQ : Joined<["-"], "fmachine-profile-selected-function-group=">,
+ Group<f_Group>, Flags<[CC1Option]>, MetaVarName<"<i>">,
+ HelpText<"Instrument only group <i>. Must be in the range [0, -fmachine-profile-function-group-count).">;
+def fmachine_profile_min_instruction_count_EQ : Joined<["-"], "fmachine-profile-min-instruction-count=">,
+ Group<f_Group>, Flags<[CC1Option]>, MetaVarName<"<N>">,
+ HelpText<"Do not instrument machine functions that have fewer than <N> instructions">;
+def fmachine_profile_use_EQ : Joined<["-"], "fmachine-profile-use=">,
+ Group<f_Group>, Flags<[CC1Option]>, MetaVarName<"<pathnames>">,
+ HelpText<"Use MIP profile data from <pathnames> for profile-guided optimization, where <pathnames> is a comma separated ordered list of .mip profiles.">;
+
def fprofile_generate : Flag<["-"], "fprofile-generate">,
Group<f_Group>, Flags<[CoreOption]>,
HelpText<"Generate instrumented code to collect execution counts into default.profraw (overridden by LLVM_PROFILE_FILE env var)">;
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