1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp
index 1d7eef9ddcf..561f80ad21f 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.cpp
+++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp
@@ -199,6 +199,9 @@ void ARMSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
       (Options.UnsafeFPMath || isTargetDarwin()))
     UseNEONForSinglePrecisionFP = true;
 
+  if (isRWPI())
+    ReserveR9 = true;
+
   // FIXME: Teach TableGen to deal with these instead of doing it manually here.
   switch (ARMProcFamily) {
   case Others:
@@ -261,6 +264,15 @@ bool ARMSubtarget::isAAPCS16_ABI() const {
   return TM.TargetABI == ARMBaseTargetMachine::ARM_ABI_AAPCS16;
 }
 
+bool ARMSubtarget::isROPI() const {
+  return TM.getRelocationModel() == Reloc::ROPI ||
+         TM.getRelocationModel() == Reloc::ROPI_RWPI;
+}
+bool ARMSubtarget::isRWPI() const {
+  return TM.getRelocationModel() == Reloc::RWPI ||
+         TM.getRelocationModel() == Reloc::ROPI_RWPI;
+}
+
 bool ARMSubtarget::isGVIndirectSymbol(const GlobalValue *GV) const {
   if (!TM.shouldAssumeDSOLocal(*GV->getParent(), GV))
     return true;