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Move command line options to the users of libLTO. Fixes --enable-shared build.

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Patch by Richard Sandiford.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191680 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-09-30 16:39:19 +00:00
parent 4b5205d2a3
commit c13c9e5a9d
6 changed files with 185 additions and 176 deletions
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57
tools/llvm-lto/llvm-lto.cpp
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@@ -12,6 +12,7 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CommandFlags.h"
#include "llvm/LTO/LTOCodeGenerator.h"
#include "llvm/LTO/LTOModule.h"
#include "llvm/Support/CommandLine.h"
@@ -23,13 +24,26 @@
using namespace llvm;
static cl::list<std::string> InputFilenames(cl::Positional, cl::OneOrMore,
cl::desc("<input bitcode files>"));
static cl::opt<bool>
DisableOpt("disable-opt", cl::init(false),
cl::desc("Do not run any optimization passes"));
static cl::opt<std::string> OutputFilename("o",
cl::desc("Override output filename"),
cl::init(""),
cl::value_desc("filename"));
static cl::opt<bool>
DisableInline("disable-inlining", cl::init(false),
cl::desc("Do not run the inliner pass"));
static cl::opt<bool>
DisableGVNLoadPRE("disable-gvn-loadpre", cl::init(false),
cl::desc("Do not run the GVN load PRE pass"));
static cl::list<std::string>
InputFilenames(cl::Positional, cl::OneOrMore,
cl::desc("<input bitcode files>"));
static cl::opt<std::string>
OutputFilename("o", cl::init(""),
cl::desc("Override output filename"),
cl::value_desc("filename"));
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
@@ -45,6 +59,28 @@ int main(int argc, char **argv) {
InitializeAllAsmPrinters();
InitializeAllAsmParsers();
// set up the TargetOptions for the machine
TargetOptions Options;
Options.LessPreciseFPMADOption = EnableFPMAD;
Options.NoFramePointerElim = DisableFPElim;
Options.AllowFPOpFusion = FuseFPOps;
Options.UnsafeFPMath = EnableUnsafeFPMath;
Options.NoInfsFPMath = EnableNoInfsFPMath;
Options.NoNaNsFPMath = EnableNoNaNsFPMath;
Options.HonorSignDependentRoundingFPMathOption =
EnableHonorSignDependentRoundingFPMath;
Options.UseSoftFloat = GenerateSoftFloatCalls;
if (FloatABIForCalls != FloatABI::Default)
Options.FloatABIType = FloatABIForCalls;
Options.NoZerosInBSS = DontPlaceZerosInBSS;
Options.GuaranteedTailCallOpt = EnableGuaranteedTailCallOpt;
Options.DisableTailCalls = DisableTailCalls;
Options.StackAlignmentOverride = OverrideStackAlignment;
Options.TrapFuncName = TrapFuncName;
Options.PositionIndependentExecutable = EnablePIE;
Options.EnableSegmentedStacks = SegmentedStacks;
Options.UseInitArray = UseInitArray;
unsigned BaseArg = 0;
std::string ErrorMessage;
@@ -52,11 +88,12 @@ int main(int argc, char **argv) {
CodeGen.setCodePICModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC);
CodeGen.setDebugInfo(LTO_DEBUG_MODEL_DWARF);
CodeGen.setTargetOptions(Options);
for (unsigned i = BaseArg; i < InputFilenames.size(); ++i) {
std::string error;
OwningPtr<LTOModule> Module(LTOModule::makeLTOModule(InputFilenames[i].c_str(),
error));
Options, error));
if (!error.empty()) {
errs() << argv[0] << ": error loading file '" << InputFilenames[i]
<< "': " << error << "\n";
@@ -74,7 +111,8 @@ int main(int argc, char **argv) {
if (!OutputFilename.empty()) {
size_t len = 0;
std::string ErrorInfo;
const void *Code = CodeGen.compile(&len, ErrorInfo);
const void *Code = CodeGen.compile(&len, DisableOpt, DisableInline,
DisableGVNLoadPRE, ErrorInfo);
if (Code == NULL) {
errs() << argv[0]
<< ": error compiling the code: " << ErrorInfo << "\n";
@@ -92,7 +130,8 @@ int main(int argc, char **argv) {
} else {
std::string ErrorInfo;
const char *OutputName = NULL;
if (!CodeGen.compile_to_file(&OutputName, ErrorInfo)) {
if (!CodeGen.compile_to_file(&OutputName, DisableOpt, DisableInline,
DisableGVNLoadPRE, ErrorInfo)) {
errs() << argv[0]
<< ": error compiling the code: " << ErrorInfo
<< "\n";