[WinEH] Create an llvm.x86.seh.exceptioninfo intrinsic

[oota-llvm.git] / include / llvm / CodeGen / CommandFlags.h

diff --git a/include/llvm/CodeGen/CommandFlags.h b/include/llvm/CodeGen/CommandFlags.h
index b870c2502804b1db5df3f11546a7aa10a0132efe..3c3f770f92b5f51bbbf567ff3359c125dd21be5c 100644 (file)
--- a/include/llvm/CodeGen/CommandFlags.h
+++ b/include/llvm/CodeGen/CommandFlags.h
@@ -16,11 +16,16 @@
 #ifndef LLVM_CODEGEN_COMMANDFLAGS_H
 #define LLVM_CODEGEN_COMMANDFLAGS_H
 
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/IR/Module.h"
 #include "llvm/MC/MCTargetOptionsCommandFlags.h"
+#include "llvm//MC/SubtargetFeature.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Host.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRecip.h"
 #include <string>
 using namespace llvm;
 
@@ -123,11 +128,6 @@ EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math",
       cl::desc("Force codegen to assume rounding mode can change dynamically"),
       cl::init(false));
 
-cl::opt<bool>
-GenerateSoftFloatCalls("soft-float",
-                    cl::desc("Generate software floating point library calls"),
-                    cl::init(false));
-
 cl::opt<llvm::FloatABI::ABIType>
 FloatABIForCalls("float-abi",
                  cl::desc("Choose float ABI type"),
@@ -151,9 +151,15 @@ FuseFPOps("fp-contract",
               clEnumValN(FPOpFusion::Standard, "on",
                          "Only fuse 'blessed' FP ops."),
               clEnumValN(FPOpFusion::Strict, "off",
-                         "Only fuse FP ops when the result won't be effected."),
+                         "Only fuse FP ops when the result won't be affected."),
               clEnumValEnd));
 
+cl::list<std::string>
+ReciprocalOps("recip",
+  cl::CommaSeparated,
+  cl::desc("Choose reciprocal operation types and parameters."),
+  cl::value_desc("all,none,default,divf,!vec-sqrtd,vec-divd:0,sqrt:9..."));
+
 cl::opt<bool>
 DontPlaceZerosInBSS("nozero-initialized-in-bss",
               cl::desc("Don't place zero-initialized symbols into bss section"),
@@ -207,6 +213,10 @@ FunctionSections("function-sections",
                  cl::desc("Emit functions into separate sections"),
                  cl::init(false));
 
+cl::opt<bool> UniqueSectionNames("unique-section-names",
+                                 cl::desc("Give unique names to every section"),
+                                 cl::init(true));
+
 cl::opt<llvm::JumpTable::JumpTableType>
 JTableType("jump-table-type",
           cl::desc("Choose the type of Jump-Instruction Table for jumptable."),
@@ -227,25 +237,24 @@ JTableType("jump-table-type",
 static inline TargetOptions InitTargetOptionsFromCodeGenFlags() {
   TargetOptions Options;
   Options.LessPreciseFPMADOption = EnableFPMAD;
-  Options.NoFramePointerElim = DisableFPElim;
   Options.AllowFPOpFusion = FuseFPOps;
+  Options.Reciprocals = TargetRecip(ReciprocalOps);
   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.UseInitArray = !UseCtors;
   Options.DataSections = DataSections;
   Options.FunctionSections = FunctionSections;
+  Options.UniqueSectionNames = UniqueSectionNames;
 
   Options.MCOptions = InitMCTargetOptionsFromFlags();
   Options.JTType = JTableType;
@@ -255,4 +264,66 @@ static inline TargetOptions InitTargetOptionsFromCodeGenFlags() {
   return Options;
 }
 
+static inline std::string getCPUStr() {
+  // If user asked for the 'native' CPU, autodetect here. If autodection fails,
+  // this will set the CPU to an empty string which tells the target to
+  // pick a basic default.
+  if (MCPU == "native")
+    return sys::getHostCPUName();
+
+  return MCPU;
+}
+
+static inline std::string getFeaturesStr() {
+  SubtargetFeatures Features;
+
+  // If user asked for the 'native' CPU, we need to autodetect features.
+  // This is necessary for x86 where the CPU might not support all the
+  // features the autodetected CPU name lists in the target. For example,
+  // not all Sandybridge processors support AVX.
+  if (MCPU == "native") {
+    StringMap<bool> HostFeatures;
+    if (sys::getHostCPUFeatures(HostFeatures))
+      for (auto &F : HostFeatures)
+        Features.AddFeature(F.first(), F.second);
+  }
+
+  for (unsigned i = 0; i != MAttrs.size(); ++i)
+    Features.AddFeature(MAttrs[i]);
+
+  return Features.getString();
+}
+
+/// \brief Set function attributes of functions in Module M based on CPU,
+/// Features, and command line flags.
+static inline void setFunctionAttributes(StringRef CPU, StringRef Features,
+                                         Module &M) {
+  for (auto &F : M) {
+    auto &Ctx = F.getContext();
+    AttributeSet Attrs = F.getAttributes(), NewAttrs;
+
+    if (!CPU.empty())
+      NewAttrs = NewAttrs.addAttribute(Ctx, AttributeSet::FunctionIndex,
+                                       "target-cpu", CPU);
+
+    if (!Features.empty())
+      NewAttrs = NewAttrs.addAttribute(Ctx, AttributeSet::FunctionIndex,
+                                       "target-features", Features);
+
+    if (DisableFPElim.getNumOccurrences() > 0)
+      NewAttrs = NewAttrs.addAttribute(Ctx, AttributeSet::FunctionIndex,
+                                       "no-frame-pointer-elim",
+                                       DisableFPElim ? "true" : "false");
+
+    if (DisableTailCalls.getNumOccurrences() > 0)
+      NewAttrs = NewAttrs.addAttribute(Ctx, AttributeSet::FunctionIndex,
+                                       "disable-tail-calls",
+                                       toStringRef(DisableTailCalls));
+
+    // Let NewAttrs override Attrs.
+    NewAttrs = Attrs.addAttributes(Ctx, AttributeSet::FunctionIndex, NewAttrs);
+    F.setAttributes(NewAttrs);
+  }
+}
+
 #endif