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added assert in linkBasicBlocks()

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This commit is contained in:
artur-zawlocki 2014-10-21 16:24:53 +01:00
parent 8909c150a1
commit 5a8ba36fe5
1 changed files with 15 additions and 9 deletions
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24
libevmjit/Compiler.cpp
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@ -892,7 +892,16 @@ void Compiler::linkBasicBlocks(Stack& stack)
else
++it;
}
} while (sthErased);
}
while (sthErased);
// Remove jump table block if no predecessors
if (llvm::pred_begin(m_jumpTableBlock->llvm()) == llvm::pred_end(m_jumpTableBlock->llvm()))
{
m_jumpTableBlock->llvm()->eraseFromParent();
m_jumpTableBlock.reset();
}
struct BBInfo
{
@ -931,7 +940,11 @@ void Compiler::linkBasicBlocks(Stack& stack)
for (auto predIt = llvm::pred_begin(bbPtr); predIt != llvm::pred_end(bbPtr); ++predIt)
{
if (*predIt != &entryBlock)
bbInfo.predecessors.push_back(&cfg.find(*predIt)->second);
{
auto predInfoEntry = cfg.find(*predIt);
assert(predInfoEntry != cfg.end());
bbInfo.predecessors.push_back(&predInfoEntry->second);
}
}
}
@ -1001,13 +1014,6 @@ void Compiler::linkBasicBlocks(Stack& stack)
for (size_t i = 0; i < localStackSize - bbInfo.outputItems; ++i)
stack.pushWord(bblock.getStack().get(localStackSize - 1 - i));
}
// Remove jump table block if not predecessors
if (llvm::pred_begin(m_jumpTableBlock->llvm()) == llvm::pred_end(m_jumpTableBlock->llvm()))
{
m_jumpTableBlock->llvm()->eraseFromParent();
m_jumpTableBlock.reset();
}
}
void Compiler::dumpBasicBlockGraph(std::ostream& out)