[clang] [CIR][CIRGen][Builtin][X86] Compress Store Intrinsics (PR #169648)

[Andy Kaylor via cfe-commits]

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@@ -86,6 +86,17 @@ static mlir::Value getMaskVecValue(CIRGenBuilderTy &builder, mlir::Location loc,
   return maskVec;
 }
 
+static mlir::Value emitX86CompressStore(CIRGenBuilderTy &builder,
+                                        mlir::Location loc,
+                                        ArrayRef<mlir::Value> ops) {
+  auto resultTy = cast<cir::VectorType>(ops[1].getType());
+  mlir::Value maskValue =
+      getMaskVecValue(builder, loc, ops[2], resultTy.getSize());
+  mlir::Value ptr = ops[0];
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andykaylor wrote:

I do see any value in saving this to a temporary. I realize classic codegen does that too, but I don't see any value in it there either. It could be an artifact of some earlier state.

https://github.com/llvm/llvm-project/pull/169648