Add conditional and unconditional thumb-2 branch. Add thumb-2 jump table.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74543 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/Target/ARM/ARMMachineFunctionInfo.h b/lib/Target/ARM/ARMMachineFunctionInfo.h
index 0b0e289282..66d3df60e0 100644
--- a/lib/Target/ARM/ARMMachineFunctionInfo.h
+++ b/lib/Target/ARM/ARMMachineFunctionInfo.h
@@ -30,6 +30,11 @@ class ARMFunctionInfo : public MachineFunctionInfo {
   /// Used to initialized Align, so must precede it.
   bool isThumb;
 
+  /// hasThumb2 - True if the target architecture supports Thumb2. Do not use
+  /// to determine if function is compiled under Thumb mode, for that use
+  /// 'isThumb'.
+  bool hasThumb2;
+
   /// Align - required alignment.  ARM functions and Thumb functions with
   /// constant pools require 4-byte alignment; other Thumb functions
   /// require only 2-byte alignment.
@@ -91,7 +96,8 @@ class ARMFunctionInfo : public MachineFunctionInfo {
 
 public:
   ARMFunctionInfo() :
-    isThumb(false), 
+    isThumb(false),
+    hasThumb2(false),
     Align(2U),
     VarArgsRegSaveSize(0), HasStackFrame(false),
     LRSpilledForFarJump(false), R3IsLiveIn(false),
@@ -102,6 +108,7 @@ public:
 
   explicit ARMFunctionInfo(MachineFunction &MF) :
     isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()),
+    hasThumb2(MF.getTarget().getSubtarget<ARMSubtarget>().hasThumb2()),
     Align(isThumb ? 1U : 2U),
     VarArgsRegSaveSize(0), HasStackFrame(false),
     LRSpilledForFarJump(false), R3IsLiveIn(false),
@@ -112,6 +119,7 @@ public:
     JumpTableUId(0), ConstPoolEntryUId(0) {}
 
   bool isThumbFunction() const { return isThumb; }
+  bool isThumb2Function() const { return isThumb && hasThumb2; }
 
   unsigned getAlign() const { return Align; }
   void setAlign(unsigned a) { Align = a; }