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#pragma once
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
namespace cps {
class RuntimeCheck {
llvm::Module &TheModule;
llvm::LLVMContext &TheContext;
llvm::IRBuilder<> &Builder;
llvm::FunctionCallee PrintfFunc;
llvm::FunctionCallee ExitFunc;
llvm::Value *DivZeroMsg;
llvm::Value *OutOfBoundsMsg;
void setupExternalFunctions();
void emitErrorAndExit(llvm::Value *Condition, llvm::Value *Msg, int Line);
public:
RuntimeCheck(llvm::Module &M, llvm::LLVMContext &C, llvm::IRBuilder<> &B);
void emitDivZeroCheck(llvm::Value *Divisor, int Line);
void emitIndexCheck(llvm::Value *Index, llvm::Value *Lower, llvm::Value *Upper, int Line);
// Runtime-computed variant: FmtArgs are the printf varargs after Msg
// (e.g. {i32 line, ptr filename}). Needed when the failure site is inside
// a synthesized helper function, where the line number is an argument
// rather than a compile-time constant.
void emitErrorAndExit(llvm::Value *Condition, llvm::Value *Msg,
llvm::ArrayRef<llvm::Value *> FmtArgs);
};
}
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