syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Only valid on floating point instructions.
context_before:     ///
context_after:     pub fn LLVMSetFastMathFlags(FPMathInst: LLVMValueRef, FMF: LLVMFastMathFlags);