[clang] [llvm] [SystemZ] Global Stackprotector and associated location section (PR #169317)

[Ulrich Weigand via cfe-commits]

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@@ -1830,6 +1928,25 @@ unsigned SystemZInstrInfo::getInstSizeInBytes(const MachineInstr &MI) const {
     return 18;
   if (MI.getOpcode() == TargetOpcode::PATCHABLE_RET)
     return 18 + (MI.getOperand(0).getImm() == SystemZ::CondReturn ? 4 : 0);
+  if ((MI.getOpcode() == SystemZ::MOVE_STACK_GUARD) ||
+      (MI.getOpcode() == SystemZ::COMPARE_STACK_GUARD)) {
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uweigand wrote:

Well yes, but that should hopefully be much simpler (always 6 bytes), and doesn't require to duplicate the whole decision logic here.

https://github.com/llvm/llvm-project/pull/169317