X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FExecutionEngine%2FTargetSelect.cpp;h=558d8b37af12585e89e8f90d16b2bdef86fa5906;hb=03fddb710e1db886dc158fd6ac6decf8201fe4aa;hp=b757111f8ba3645c6ad743e5e704e8bd6c44e595;hpb=5b2d81bb50de40c94449b10c527228b9ebf2c35f;p=oota-llvm.git

diff --git a/lib/ExecutionEngine/TargetSelect.cpp b/lib/ExecutionEngine/TargetSelect.cpp
index b757111f8ba..558d8b37af1 100644
--- a/lib/ExecutionEngine/TargetSelect.cpp
+++ b/lib/ExecutionEngine/TargetSelect.cpp
@@ -15,18 +15,24 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
-#include "llvm/Module.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/IR/Module.h"
 #include "llvm/MC/SubtargetFeature.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Host.h"
 #include "llvm/Support/TargetRegistry.h"
+#include "llvm/Target/TargetMachine.h"
 
 using namespace llvm;
 
 TargetMachine *EngineBuilder::selectTarget() {
-  Triple TT(M->getTargetTriple());
+  Triple TT;
+
+  // MCJIT can generate code for remote targets, but the old JIT and Interpreter
+  // must use the host architecture.
+  if (UseMCJIT && WhichEngine != EngineKind::Interpreter && M)
+    TT.setTriple(M->getTargetTriple());
+
   return selectTarget(TT, MArch, MCPU, MAttrs);
 }
 
@@ -38,7 +44,7 @@ TargetMachine *EngineBuilder::selectTarget(const Triple &TargetTriple,
                               const SmallVectorImpl<std::string>& MAttrs) {
   Triple TheTriple(TargetTriple);
   if (TheTriple.getTriple().empty())
-    TheTriple.setTriple(sys::getDefaultTargetTriple());
+    TheTriple.setTriple(sys::getProcessTriple());
 
   // Adjust the triple to match what the user requested.
   const Target *TheTarget = 0;
@@ -82,6 +88,14 @@ TargetMachine *EngineBuilder::selectTarget(const Triple &TargetTriple,
     FeaturesStr = Features.getString();
   }
 
+  // FIXME: non-iOS ARM FastISel is broken with MCJIT.
+  if (UseMCJIT &&
+      TheTriple.getArch() == Triple::arm &&
+      TheTriple.getOS() != Triple::IOS &&
+      OptLevel == CodeGenOpt::None) {
+    OptLevel = CodeGenOpt::Less;
+  }
+
   // Allocate a target...
   TargetMachine *Target = TheTarget->createTargetMachine(TheTriple.getTriple(),
                                                          MCPU, FeaturesStr,