diff options
Diffstat (limited to 'lib/Target/ARM/ARMMachineFunctionInfo.h')
-rw-r--r-- | lib/Target/ARM/ARMMachineFunctionInfo.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMMachineFunctionInfo.h b/lib/Target/ARM/ARMMachineFunctionInfo.h index 90d794cd27b1..bb136e92329b 100644 --- a/lib/Target/ARM/ARMMachineFunctionInfo.h +++ b/lib/Target/ARM/ARMMachineFunctionInfo.h @@ -16,6 +16,7 @@ #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/CodeGen/MachineFunction.h" +#include "llvm/IR/GlobalVariable.h" #include "llvm/Support/ErrorHandling.h" #include <utility> @@ -130,6 +131,10 @@ class ARMFunctionInfo : public MachineFunctionInfo { /// The amount the literal pool has been increasedby due to promoted globals. int PromotedGlobalsIncrease = 0; + /// True if r0 will be preserved by a call to this function (e.g. C++ + /// con/destructors). + bool PreservesR0 = false; + public: ARMFunctionInfo() = default; @@ -247,6 +252,9 @@ public: } DenseMap<unsigned, unsigned> EHPrologueRemappedRegs; + + void setPreservesR0() { PreservesR0 = true; } + bool getPreservesR0() const { return PreservesR0; } }; } // end namespace llvm |