[clang] [CIR] Add invariant attribute to cir.load (PR #204283)

[Andy Kaylor via cfe-commits]

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@@ -229,11 +229,12 @@ class CIRBaseBuilderTy : public mlir::OpBuilder {
   }
 
   cir::LoadOp createLoad(mlir::Location loc, mlir::Value ptr,
-                         bool isVolatile = false, uint64_t alignment = 0) {
+                         bool isVolatile = false, uint64_t alignment = 0,
+                         bool isInvariant = false) {
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andykaylor wrote:

I don't see any calls where this is anything other than `false`.

https://github.com/llvm/llvm-project/pull/204283