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Avoid doing pointless work. Amazingly, this makes us go faster.

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Running the inliner on 252.eon used to take 48.4763s, now it takes 14.4148s.

In release mode, it went from taking 25.8741s to taking 11.5712s.

This also fixes a FIXME.

llvm-svn: 8890
This commit is contained in:
Chris Lattner
2003-10-06 15:23:43 +00:00
parent 8bfda656d9
commit 6aa34b0d0b
2 changed files with 5 additions and 8 deletions
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8
llvm/lib/Transforms/Utils/InlineFunction.cpp
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@@ -124,14 +124,6 @@ bool InlineFunction(CallSite CS) {
// Make a vector to capture the return instructions in the cloned function...
std::vector<ReturnInst*> Returns;
// Populate the value map with all of the globals in the program.
// FIXME: This should be the default for CloneFunctionInto!
Module &M = *Caller->getParent();
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
ValueMap[I] = I;
for (Module::giterator I = M.gbegin(), E = M.gend(); I != E; ++I)
ValueMap[I] = I;
// Do all of the hard part of cloning the callee into the caller...
CloneFunctionInto(Caller, CalledFunc, ValueMap, Returns, ".i");