================
@@ -8701,95 +8734,266 @@ SDValue SystemZTargetLowering::combineSETCC(
return SDValue();
}
-static bool combineCCMask(SDValue &CCReg, int &CCValid, int &CCMask) {
+static std::pair<SDValue, int> findCCUse(const SDValue &Val) {
+ auto *N = Val.getNode();
+ if (!N)
+ return std::make_pair(SDValue(), SystemZ::CCMASK_NONE);
----------------
uweigand wrote:
Just wondering: can N actually ever be null here?
https://github.com/llvm/llvm-project/pull/125970
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