[DPWBS-1210] feat(TargetLowering): set the stack pointer register in …

…the TriCoreTargetLowering
llvm · Feb 10, 2020 · f981f31 · f981f31
1 parent dca8869
commit f981f31
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/llvm/lib/Target/TriCore/TriCoreISelLowering.cpp b/llvm/lib/Target/TriCore/TriCoreISelLowering.cpp
@@ -44,6 +44,10 @@ TriCoreTargetLowering::TriCoreTargetLowering(const TargetMachine &TM,
   addRegisterClass(MVT::i32, &TriCore::DataRegsRegClass);
   addRegisterClass(MVT::i64, &TriCore::ExtDataRegsRegClass);
 
+  // Set up the stack pointer register
+  setStackPointerRegisterToSaveRestore(
+      STI.getRegisterInfo()->getStackRegister());
+
   // Compute derived properties from the register classes
   computeRegisterProperties(STI.getRegisterInfo());
 }