[llvm] [RISCV] Teach RISCVMakeCompressible handle Zca/Zcf/Zce/Zcd. (PR #81844)

[Craig Topper via llvm-commits]

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@@ -143,6 +143,10 @@ class RISCVSubtarget : public RISCVGenSubtargetInfo {
 #include "RISCVGenSubtargetInfo.inc"
 
   bool hasStdExtCOrZca() const { return HasStdExtC || HasStdExtZca; }
+  bool hasStdExtCOrZcd() const { return HasStdExtC || HasStdExtZcd; }
+  bool hasStdExtCOrZcfOrZce() const {
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topperc wrote:

We do have a `HasStdExtCOrZcfOrZce` as a tablegen predicate already. There was a reason I included in Zce in there, but I don't remember exactly why.

https://github.com/llvm/llvm-project/pull/81844