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simplify this code again, try 2 :)

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llvm-svn: 47319
This commit is contained in:
Chris Lattner 2008-02-19 06:52:38 +00:00
parent d60bb0a64b
commit 0ee0f38084
1 changed files with 5 additions and 7 deletions
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12
lib/Transforms/Scalar/GVN.cpp
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@ -1220,13 +1220,11 @@ bool GVN::processInstruction(Instruction* I,
if (dep == MemoryDependenceAnalysis::None ||
dep == MemoryDependenceAnalysis::NonLocal)
return false;
else if (CallInst* C = dyn_cast<CallInst>(dep)) {
if (!isa<MemCpyInst>(C))
return performReturnSlotOptzn(M, C, toErase);
} else if (!isa<MemCpyInst>(dep))
return false;
return processMemCpy(M, cast<MemCpyInst>(dep), toErase);
if (isa<MemCpyInst>(dep))
return processMemCpy(M, cast<MemCpyInst>(dep), toErase);
if (CallInst* C = dyn_cast<CallInst>(dep))
return performReturnSlotOptzn(M, C, toErase);
return false;
}
unsigned num = VN.lookup_or_add(I);