Use LLVM to JIT the code for one of the drawer functions

src/r_compiler/ssa/ssa_int.cpp

@@ -0,0 +1,117 @@
+
+#include "ssa_int.h"
+#include "ssa_float.h"
+#include "ssa_scope.h"
+#include "r_compiler/llvm_include.h"
+
+SSAInt::SSAInt()
+: v(0)
+{
+}
+
+SSAInt::SSAInt(int constant)
+: v(0)
+{
+	v = llvm::ConstantInt::get(SSAScope::context(), llvm::APInt(32, constant, true));
+}
+
+SSAInt::SSAInt(SSAFloat f)
+: v(0)
+{
+	v = SSAScope::builder().CreateFPToSI(f.v, llvm::Type::getInt32Ty(SSAScope::context()), SSAScope::hint());
+}
+
+SSAInt::SSAInt(llvm::Value *v)
+: v(v)
+{
+}
+
+llvm::Type *SSAInt::llvm_type()
+{
+	return llvm::Type::getInt32Ty(SSAScope::context());
+}
+
+SSAInt operator+(const SSAInt &a, const SSAInt &b)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateAdd(a.v, b.v, SSAScope::hint()));
+}
+
+SSAInt operator-(const SSAInt &a, const SSAInt &b)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateSub(a.v, b.v, SSAScope::hint()));
+}
+
+SSAInt operator*(const SSAInt &a, const SSAInt &b)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateMul(a.v, b.v, SSAScope::hint()));
+}
+
+SSAInt operator/(const SSAInt &a, const SSAInt &b)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateSDiv(a.v, b.v, SSAScope::hint()));
+}
+
+SSAInt operator%(const SSAInt &a, const SSAInt &b)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateSRem(a.v, b.v, SSAScope::hint()));
+}
+
+SSAInt operator+(int a, const SSAInt &b)
+{
+	return SSAInt(a) + b;
+}
+
+SSAInt operator-(int a, const SSAInt &b)
+{
+	return SSAInt(a) - b;
+}
+
+SSAInt operator*(int a, const SSAInt &b)
+{
+	return SSAInt(a) * b;
+}
+
+SSAInt operator/(int a, const SSAInt &b)
+{
+	return SSAInt(a) / b;
+}
+
+SSAInt operator%(int a, const SSAInt &b)
+{
+	return SSAInt(a) % b;
+}
+
+SSAInt operator+(const SSAInt &a, int b)
+{
+	return a + SSAInt(b);
+}
+
+SSAInt operator-(const SSAInt &a, int b)
+{
+	return a - SSAInt(b);
+}
+
+SSAInt operator*(const SSAInt &a, int b)
+{
+	return a * SSAInt(b);
+}
+
+SSAInt operator/(const SSAInt &a, int b)
+{
+	return a / SSAInt(b);
+}
+
+SSAInt operator%(const SSAInt &a, int b)
+{
+	return a % SSAInt(b);
+}
+
+SSAInt operator<<(const SSAInt &a, int bits)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateShl(a.v, bits, SSAScope::hint()));
+}
+
+SSAInt operator>>(const SSAInt &a, int bits)
+{
+	return SSAInt::from_llvm(SSAScope::builder().CreateLShr(a.v, bits, SSAScope::hint()));
+}