[X86][Haswell][SchedModel] Add architecture specific scheduling models.

[oota-llvm.git] / lib / ExecutionEngine / Interpreter / ExternalFunctions.cpp

diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index 40e12cc98f749fe7bb970f0bb89332d24edd8fac..671bbeea8d0dfb8bfb81f7d3257c28dca5871f90 100644 (file)
--- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -20,19 +20,19 @@
 //===----------------------------------------------------------------------===//
 
 #include "Interpreter.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
 #include "llvm/Config/config.h"     // Detect libffi
-#include "llvm/Support/ErrorHandling.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Module.h"
 #include "llvm/Support/DynamicLibrary.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Mutex.h"
+#include <cmath>
 #include <csignal>
 #include <cstdio>
-#include <map>
-#include <cmath>
 #include <cstring>
+#include <map>
 
 #ifdef HAVE_FFI_CALL
 #ifdef HAVE_FFI_H
@@ -98,13 +98,13 @@ static ExFunc lookupFunction(const Function *F) {
 
   sys::ScopedLock Writer(*FunctionsLock);
   ExFunc FnPtr = FuncNames[ExtName];
-  if (FnPtr == 0)
+  if (!FnPtr)
     FnPtr = FuncNames["lle_X_" + F->getName().str()];
-  if (FnPtr == 0)  // Try calling a generic function... if it exists...
+  if (!FnPtr)  // Try calling a generic function... if it exists...
     FnPtr = (ExFunc)(intptr_t)
       sys::DynamicLibrary::SearchForAddressOfSymbol("lle_X_" +
                                                     F->getName().str());
-  if (FnPtr != 0)
+  if (FnPtr)
     ExportedFunctions->insert(std::make_pair(F, FnPtr));  // Cache for later
   return FnPtr;
 }
@@ -180,7 +180,7 @@ static void *ffiValueFor(Type *Ty, const GenericValue &AV,
 
 static bool ffiInvoke(RawFunc Fn, Function *F,
                       const std::vector<GenericValue> &ArgVals,
-                      const TargetData *TD, GenericValue &Result) {
+                      const DataLayout *TD, GenericValue &Result) {
   ffi_cif cif;
   FunctionType *FTy = F->getFunctionType();
   const unsigned NumArgs = F->arg_size();
@@ -276,7 +276,7 @@ GenericValue Interpreter::callExternalFunction(Function *F,
   FunctionsLock->release();
 
   GenericValue Result;
-  if (RawFn != 0 && ffiInvoke(RawFn, F, ArgVals, getTargetData(), Result))
+  if (RawFn != 0 && ffiInvoke(RawFn, F, ArgVals, getDataLayout(), Result))
     return Result;
 #endif // USE_LIBFFI
 
@@ -297,14 +297,8 @@ GenericValue Interpreter::callExternalFunction(Function *F,
 //  Functions "exported" to the running application...
 //
 
-// Visual Studio warns about returning GenericValue in extern "C" linkage
-#ifdef _MSC_VER
-    #pragma warning(disable : 4190)
-#endif
-
-extern "C" {  // Don't add C++ manglings to llvm mangling :)
-
 // void atexit(Function*)
+static
 GenericValue lle_X_atexit(FunctionType *FT,
                           const std::vector<GenericValue> &Args) {
   assert(Args.size() == 1);
@@ -315,6 +309,7 @@ GenericValue lle_X_atexit(FunctionType *FT,
 }
 
 // void exit(int)
+static
 GenericValue lle_X_exit(FunctionType *FT,
                         const std::vector<GenericValue> &Args) {
   TheInterpreter->exitCalled(Args[0]);
@@ -322,6 +317,7 @@ GenericValue lle_X_exit(FunctionType *FT,
 }
 
 // void abort(void)
+static
 GenericValue lle_X_abort(FunctionType *FT,
                          const std::vector<GenericValue> &Args) {
   //FIXME: should we report or raise here?
@@ -332,6 +328,7 @@ GenericValue lle_X_abort(FunctionType *FT,
 
 // int sprintf(char *, const char *, ...) - a very rough implementation to make
 // output useful.
+static
 GenericValue lle_X_sprintf(FunctionType *FT,
                            const std::vector<GenericValue> &Args) {
   char *OutputBuffer = (char *)GVTOP(Args[0]);
@@ -379,7 +376,7 @@ GenericValue lle_X_sprintf(FunctionType *FT,
       case 'x': case 'X':
         if (HowLong >= 1) {
           if (HowLong == 1 &&
-              TheInterpreter->getTargetData()->getPointerSizeInBits() == 64 &&
+              TheInterpreter->getDataLayout()->getPointerSizeInBits() == 64 &&
               sizeof(long) < sizeof(int64_t)) {
             // Make sure we use %lld with a 64 bit argument because we might be
             // compiling LLI on a 32 bit compiler.
@@ -409,10 +406,12 @@ GenericValue lle_X_sprintf(FunctionType *FT,
       break;
     }
   }
+  return GV;
 }
 
 // int printf(const char *, ...) - a very rough implementation to make output
 // useful.
+static
 GenericValue lle_X_printf(FunctionType *FT,
                           const std::vector<GenericValue> &Args) {
   char Buffer[10000];
@@ -425,6 +424,7 @@ GenericValue lle_X_printf(FunctionType *FT,
 }
 
 // int sscanf(const char *format, ...);
+static
 GenericValue lle_X_sscanf(FunctionType *FT,
                           const std::vector<GenericValue> &args) {
   assert(args.size() < 10 && "Only handle up to 10 args to sscanf right now!");
@@ -435,11 +435,12 @@ GenericValue lle_X_sscanf(FunctionType *FT,
 
   GenericValue GV;
   GV.IntVal = APInt(32, sscanf(Args[0], Args[1], Args[2], Args[3], Args[4],
-                        Args[5], Args[6], Args[7], Args[8], Args[9]));
+                    Args[5], Args[6], Args[7], Args[8], Args[9]));
   return GV;
 }
 
 // int scanf(const char *format, ...);
+static
 GenericValue lle_X_scanf(FunctionType *FT,
                          const std::vector<GenericValue> &args) {
   assert(args.size() < 10 && "Only handle up to 10 args to scanf right now!");
@@ -450,12 +451,13 @@ GenericValue lle_X_scanf(FunctionType *FT,
 
   GenericValue GV;
   GV.IntVal = APInt(32, scanf( Args[0], Args[1], Args[2], Args[3], Args[4],
-                        Args[5], Args[6], Args[7], Args[8], Args[9]));
+                    Args[5], Args[6], Args[7], Args[8], Args[9]));
   return GV;
 }
 
 // int fprintf(FILE *, const char *, ...) - a very rough implementation to make
 // output useful.
+static
 GenericValue lle_X_fprintf(FunctionType *FT,
                            const std::vector<GenericValue> &Args) {
   assert(Args.size() >= 2);
@@ -469,13 +471,29 @@ GenericValue lle_X_fprintf(FunctionType *FT,
   return GV;
 }
 
-} // End extern "C"
+static GenericValue lle_X_memset(FunctionType *FT,
+                                 const std::vector<GenericValue> &Args) {
+  int val = (int)Args[1].IntVal.getSExtValue();
+  size_t len = (size_t)Args[2].IntVal.getZExtValue();
+  memset((void *)GVTOP(Args[0]), val, len);
+  // llvm.memset.* returns void, lle_X_* returns GenericValue,
+  // so here we return GenericValue with IntVal set to zero
+  GenericValue GV;
+  GV.IntVal = 0;
+  return GV;
+}
 
-// Done with externals; turn the warning back on
-#ifdef _MSC_VER
-    #pragma warning(default: 4190)
-#endif
+static GenericValue lle_X_memcpy(FunctionType *FT,
+                                 const std::vector<GenericValue> &Args) {
+  memcpy(GVTOP(Args[0]), GVTOP(Args[1]),
+         (size_t)(Args[2].IntVal.getLimitedValue()));
 
+  // llvm.memcpy* returns void, lle_X_* returns GenericValue,
+  // so here we return GenericValue with IntVal set to zero
+  GenericValue GV;
+  GV.IntVal = 0;
+  return GV;
+}
 
 void Interpreter::initializeExternalFunctions() {
   sys::ScopedLock Writer(*FunctionsLock);
@@ -488,4 +506,6 @@ void Interpreter::initializeExternalFunctions() {
   FuncNames["lle_X_sscanf"]       = lle_X_sscanf;
   FuncNames["lle_X_scanf"]        = lle_X_scanf;
   FuncNames["lle_X_fprintf"]      = lle_X_fprintf;
+  FuncNames["lle_X_memset"]       = lle_X_memset;
+  FuncNames["lle_X_memcpy"]       = lle_X_memcpy;
 }