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Wrong resize condition fixed

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[Delivers #80191662]
This commit is contained in:
Paweł Bylica 2014-10-13 09:12:22 +02:00
parent 4f871447a3
commit 0128f09065
3 changed files with 13 additions and 1 deletions
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2
evmcc/Memory.cpp
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@ -75,7 +75,7 @@ llvm::Function* Memory::createFunc(bool _isStore, llvm::Type* _valueType, llvm::
auto valueSize = _valueType->getPrimitiveSizeInBits() / 8; auto valueSize = _valueType->getPrimitiveSizeInBits() / 8;
auto sizeRequired = builder.CreateAdd(index, builder.getIntN(256, valueSize), "sizeRequired"); auto sizeRequired = builder.CreateAdd(index, builder.getIntN(256, valueSize), "sizeRequired");
auto size = builder.CreateLoad(m_size, "size"); auto size = builder.CreateLoad(m_size, "size");
auto resizeNeeded = builder.CreateICmpULE(sizeRequired, size, "resizeNeeded"); auto resizeNeeded = builder.CreateICmpULE(size, sizeRequired, "resizeNeeded");
builder.CreateCondBr(resizeNeeded, resizeBB, accessBB); // OPT branch weights? builder.CreateCondBr(resizeNeeded, resizeBB, accessBB); // OPT branch weights?
builder.SetInsertPoint(resizeBB); builder.SetInsertPoint(resizeBB);

1
evmcc/bytecode/mem2.evm Normal file
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@ -0,0 +1 @@
6001610d80556504409585d6df620493e05462061a8053

11
evmcc/lll/mem2.lll Normal file
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@ -0,0 +1,11 @@
(asm ;; []
1
3456
MSTORE8 ;; [02]
4675432994527
300000
MSTORE
400000
MLOAD
)