Turn on if-conversion for thumb2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79084 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
index fbc5f38..fdfa3a3 100644
--- a/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/lib/Target/ARM/ARMTargetMachine.cpp
@@ -75,17 +75,15 @@
 ThumbTargetMachine::ThumbTargetMachine(const Target &T, const std::string &TT,
                                        const std::string &FS)
   : ARMBaseTargetMachine(T, TT, FS, true),
+    InstrInfo(Subtarget.hasThumb2()
+              ? ((ARMBaseInstrInfo*)new Thumb2InstrInfo(Subtarget))
+              : ((ARMBaseInstrInfo*)new Thumb1InstrInfo(Subtarget))),
     DataLayout(Subtarget.isAPCS_ABI() ?
                std::string("e-p:32:32-f64:32:32-i64:32:32-"
                            "i16:16:32-i8:8:32-i1:8:32-a:0:32") :
                std::string("e-p:32:32-f64:64:64-i64:64:64-"
                            "i16:16:32-i8:8:32-i1:8:32-a:0:32")),
     TLInfo(*this) {
-  // Create the approriate type of Thumb InstrInfo
-  if (Subtarget.hasThumb2())
-    InstrInfo = new Thumb2InstrInfo(Subtarget);
-  else
-    InstrInfo = new Thumb1InstrInfo(Subtarget);
 }
 
 
@@ -116,7 +114,7 @@
     PM.add(createARMLoadStoreOptimizationPass());
 
   if (OptLevel != CodeGenOpt::None &&
-      !DisableIfConversion && !Subtarget.isThumb())
+      !DisableIfConversion && !Subtarget.isThumb1Only())
     PM.add(createIfConverterPass());
 
   if (Subtarget.isThumb2()) {