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47 lines
851 B
47 lines
851 B
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#pragma once
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#include <llvm/IR/IRBuilder.h>
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#include <libdevcore/Common.h>
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namespace evmcc
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{
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/// Representation of 256-bit value binary compatible with LLVM i256
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// TODO: Replace with h256
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struct i256
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{
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uint64_t a;
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uint64_t b;
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uint64_t c;
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uint64_t d;
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};
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static_assert(sizeof(i256) == 32, "Wrong i265 size");
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dev::u256 llvm2eth(i256);
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i256 eth2llvm(dev::u256);
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struct InsertPointGuard
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{
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InsertPointGuard(llvm::IRBuilder<>& _builder) :
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m_builder(_builder),
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m_insertBB(m_builder.GetInsertBlock()),
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m_insertPt(m_builder.GetInsertPoint())
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{}
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~InsertPointGuard()
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{
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m_builder.SetInsertPoint(m_insertBB, m_insertPt);
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}
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private:
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llvm::IRBuilder<>& m_builder;
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llvm::BasicBlock* m_insertBB;
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llvm::BasicBlock::iterator m_insertPt;
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InsertPointGuard(const InsertPointGuard&) = delete;
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void operator=(InsertPointGuard) = delete;
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};
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}
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