[clang] [llvm] Add support for flag output operand "=@cc" for SystemZ. (PR #125970)

[Ulrich Weigand via cfe-commits]

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@@ -756,7 +768,11 @@ class SystemZTargetLowering : public TargetLowering {
   SDValue combineINT_TO_FP(SDNode *N, DAGCombinerInfo &DCI) const;
   SDValue combineBSWAP(SDNode *N, DAGCombinerInfo &DCI) const;
   SDValue combineBR_CCMASK(SDNode *N, DAGCombinerInfo &DCI) const;
+  std::optional<SDValue> combineBR_CCJoinIPMMask(SDNode *N,
+                                                 DAGCombinerInfo &DCI) const;
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uweigand wrote:

This doesn't exist?

https://github.com/llvm/llvm-project/pull/125970
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