lib/CodeGen/BackendUtil.cpp

46   const CodeGenOptions &CodeGenOpts;
113     : Diags(_Diags), CodeGenOpts(CGOpts), TargetOpts(TOpts), LangOpts(LOpts),
210   unsigned OptLevel = CodeGenOpts.OptimizationLevel;
211   CodeGenOptions::InliningMethod Inlining = CodeGenOpts.getInlining();
215   if (CodeGenOpts.DisableLLVMOpts) {
217     Inlining = CodeGenOpts.NoInlining;
220   PassManagerBuilderWrapper PMBuilder(CodeGenOpts, LangOpts);
222   PMBuilder.SizeLevel = CodeGenOpts.OptimizeSize;
224   PMBuilder.DisableSimplifyLibCalls = !CodeGenOpts.SimplifyLibCalls;
225   PMBuilder.DisableUnitAtATime = !CodeGenOpts.UnitAtATime;
226   PMBuilder.DisableUnrollLoops = !CodeGenOpts.UnrollLoops;
269   if (!CodeGenOpts.SimplifyLibCalls)
277     if (CodeGenOpts.OptimizeSize == 1)      // -Os
279     else if (CodeGenOpts.OptimizeSize == 2) // -Oz
298   if (CodeGenOpts.VerifyModule)
305   if (!CodeGenOpts.DisableGCov &&
306       (CodeGenOpts.EmitGcovArcs || CodeGenOpts.EmitGcovNotes)) {
310     Options.EmitNotes = CodeGenOpts.EmitGcovNotes;
311     Options.EmitData = CodeGenOpts.EmitGcovArcs;
312     memcpy(Options.Version, CodeGenOpts.CoverageVersion, 4);
313     Options.UseCfgChecksum = CodeGenOpts.CoverageExtraChecksum;
314     Options.NoRedZone = CodeGenOpts.DisableRedZone;
316         !CodeGenOpts.CoverageNoFunctionNamesInData;
318     if (CodeGenOpts.getDebugInfo() == CodeGenOptions::NoDebugInfo)
340   TargetMachine::setAsmVerbosityDefault(CodeGenOpts.AsmVerbose);
342   TargetMachine::setFunctionSections(CodeGenOpts.FunctionSections);
343   TargetMachine::setDataSections    (CodeGenOpts.DataSections);
347   if (CodeGenOpts.CodeModel == "small") {
349   } else if (CodeGenOpts.CodeModel == "kernel") {
351   } else if (CodeGenOpts.CodeModel == "medium") {
353   } else if (CodeGenOpts.CodeModel == "large") {
356     assert(CodeGenOpts.CodeModel.empty() && "Invalid code model!");
362   if (!CodeGenOpts.DebugPass.empty()) {
364     BackendArgs.push_back(CodeGenOpts.DebugPass.c_str());
366   if (!CodeGenOpts.LimitFloatPrecision.empty()) {
368     BackendArgs.push_back(CodeGenOpts.LimitFloatPrecision.c_str());
372   for (unsigned i = 0, e = CodeGenOpts.BackendOptions.size(); i != e; ++i)
373     BackendArgs.push_back(CodeGenOpts.BackendOptions[i].c_str());
374   if (CodeGenOpts.NoGlobalMerge)
391   if (CodeGenOpts.RelocationModel == "static") {
393   } else if (CodeGenOpts.RelocationModel == "pic") {
396     assert(CodeGenOpts.RelocationModel == "dynamic-no-pic" &&
402   switch (CodeGenOpts.OptimizationLevel) {
411   if (!CodeGenOpts.DisableFPElim) {
414   } else if (CodeGenOpts.OmitLeafFramePointer) {
422   if (CodeGenOpts.UseInitArray)
426   if (CodeGenOpts.FloatABI == "soft" || CodeGenOpts.FloatABI == "softfp")
428   else if (CodeGenOpts.FloatABI == "hard")
431     assert(CodeGenOpts.FloatABI.empty() && "Invalid float abi!");
436   switch (CodeGenOpts.getFPContractMode()) {
448   Options.LessPreciseFPMADOption = CodeGenOpts.LessPreciseFPMAD;
449   Options.NoInfsFPMath = CodeGenOpts.NoInfsFPMath;
450   Options.NoNaNsFPMath = CodeGenOpts.NoNaNsFPMath;
451   Options.NoZerosInBSS = CodeGenOpts.NoZeroInitializedInBSS;
452   Options.UnsafeFPMath = CodeGenOpts.UnsafeFPMath;
453   Options.UseSoftFloat = CodeGenOpts.SoftFloat;
454   Options.StackAlignmentOverride = CodeGenOpts.StackAlignment;
455   Options.RealignStack = CodeGenOpts.StackRealignment;
456   Options.DisableTailCalls = CodeGenOpts.DisableTailCalls;
457   Options.TrapFuncName = CodeGenOpts.TrapFuncName;
459   Options.SSPBufferSize = CodeGenOpts.SSPBufferSize;
460   Options.EnableSegmentedStacks = CodeGenOpts.EnableSegmentedStacks;
466   if (CodeGenOpts.RelaxAll)
468   if (CodeGenOpts.SaveTempLabels)
470   if (CodeGenOpts.NoDwarf2CFIAsm)
472   if (!CodeGenOpts.NoDwarfDirectoryAsm)
474   if (CodeGenOpts.NoExecStack)
490   if (!CodeGenOpts.SimplifyLibCalls)
511       CodeGenOpts.OptimizationLevel > 0)
515                               /*DisableVerify=*/!CodeGenOpts.VerifyModule)) {