[clang] [CIR] Add x86_64 scalar calling-convention lowering (PR #209636)

[via cfe-commits]

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@@ -38,6 +39,17 @@ bool cir::isSized(mlir::Type ty) {
   return false;
 }
 
+mlir::Type cir::getFloatingPointType(const llvm::fltSemantics &sem,
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adams381 wrote:

Changed it to return `cir::FPTypeInterface`.


https://github.com/llvm/llvm-project/pull/209636