================
@@ -12007,6 +12011,49 @@ static void genTPLoopBody(MachineBasicBlock
*TpLoopBody,
.add(predOps(ARMCC::AL));
}
+bool ARMTargetLowering::supportKCFIBundles() const {
+ // KCFI is only supported in ARM mode, not Thumb mode
+ return !Subtarget->isThumb();
----------------
samitolvanen wrote:
I believe it would require KCFI_CHECK lowering for Thumb, and you'll need make
sure you clear the LSB from the function address when calculating the hash
location, because ARM uses that to select between ARM/Thumb mode for the callee.
https://github.com/llvm/llvm-project/pull/163698
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