[clang] [CIR][X86] Implement lowering for sqrt builtins (PR #169310)

[Andy Kaylor via cfe-commits]

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@@ -30,6 +31,7 @@
 #include "mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h"
 #include "mlir/Target/LLVMIR/Export.h"
 #include "mlir/Transforms/DialectConversion.h"
+#include "clang/Basic/LLVM.h"
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andykaylor wrote:

Why is this needed?

https://github.com/llvm/llvm-project/pull/169310