vendor/llvm-project/llvmorg-14-init-11187-g222442ec2d71

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp
index b0594ec086b2..fbf190a52585 100644
--- a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp
+++ b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp
@@ -136,6 +136,16 @@ unsigned TargetFrameLowering::getStackAlignmentSkew(
   return 0;
 }
 
+bool TargetFrameLowering::allocateScavengingFrameIndexesNearIncomingSP(
+  const MachineFunction &MF) const {
+  if (!hasFP(MF))
+    return false;
+
+  const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();
+  return RegInfo->useFPForScavengingIndex(MF) &&
+         !RegInfo->hasStackRealignment(MF);
+}
+
 bool TargetFrameLowering::isSafeForNoCSROpt(const Function &F) {
   if (!F.hasLocalLinkage() || F.hasAddressTaken() ||
       !F.hasFnAttribute(Attribute::NoRecurse))