================
@@ -106,9 +111,14 @@ static void emitSCSEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB,
CSI, [&](CalleeSavedInfo &CSR) { return CSR.getReg() == RAReg; }))
return;
+ const RISCVInstrInfo *TII = STI.getInstrInfo();
+ if (STI.hasFeature(RISCV::FeatureStdExtZicfiss)) {
----------------
yetingk wrote:
> Do we need an enable other than just the feature being in -march? The shadow
> stack pointer has to be set up when the application starts.
The hardware shadow stack support in this pr needs
`-fsanitize=shadow-call-stack` now.
https://github.com/llvm/llvm-project/pull/68075
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