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Implement optimization for direct function call case. This dramatically

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reduces the number of function nodes created and speeds up analysis by
about 10% overall.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5495 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-02-05 21:59:58 +00:00
parent bbe5ac1458
commit 923fc05b3a
13 changed files with 209 additions and 97 deletions
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4
lib/Analysis/IPA/IPModRef.cpp
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@@ -144,7 +144,7 @@ DSGraph* FunctionModRefInfo::ResolveCallSiteModRefInfo(CallInst &CI,
Result->maskNodeTypes(~(DSNode::Modified | DSNode::Read));
// Step #3: clone the bottom up graphs for the callees into the caller graph
if (const Function *F = CI.getCalledFunction())
if (Function *F = CI.getCalledFunction())
{
assert(!F->isExternal());
@@ -162,7 +162,7 @@ DSGraph* FunctionModRefInfo::ResolveCallSiteModRefInfo(CallInst &CI,
Args.push_back(Result->getNodeForValue(CI.getOperand(i)));
// Build the call site...
DSCallSite CS(CI, RetVal, 0, Args);
DSCallSite CS(CI, RetVal, F, Args);
// Perform the merging now of the graph for the callee, which will
// come with mod/ref bits set...