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
diff --git a/lib/Target/ARM/ARMMachineFunctionInfo.h b/lib/Target/ARM/ARMMachineFunctionInfo.h
index 0b0e289..66d3df6 100644
--- a/lib/Target/ARM/ARMMachineFunctionInfo.h
+++ b/lib/Target/ARM/ARMMachineFunctionInfo.h
@@ -30,6 +30,11 @@
/// 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 @@
public:
ARMFunctionInfo() :
- isThumb(false),
+ isThumb(false),
+ hasThumb2(false),
Align(2U),
VarArgsRegSaveSize(0), HasStackFrame(false),
LRSpilledForFarJump(false), R3IsLiveIn(false),
@@ -102,6 +108,7 @@
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 @@
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; }