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do not (implicitly) dereference iterator many times, cache it instead

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109222 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-07-23 10:23:01 +00:00
parent 6252f6ea11
commit 9843688f97
1 changed files with 3 additions and 2 deletions
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5
lib/Target/PIC16/PIC16Passes/PIC16Overlay.cpp
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@@ -171,8 +171,9 @@ void PIC16Overlay::MarkIndirectlyCalledFunctions(Module &M) {
for (Module::iterator MI = M.begin(), E = M.end(); MI != E; ++MI) { for (Module::iterator MI = M.begin(), E = M.end(); MI != E; ++MI) {
for (Value::use_iterator I = MI->use_begin(), E = MI->use_end(); I != E; for (Value::use_iterator I = MI->use_begin(), E = MI->use_end(); I != E;
++I) { ++I) {
if ((!isa<CallInst>(I) && !isa<InvokeInst>(I)) User *U = *I;
|| !CallSite(cast<Instruction>(I)).isCallee(I)) { if ((!isa<CallInst>(U) && !isa<InvokeInst>(U))
|| !CallSite(cast<Instruction>(U)).isCallee(I)) {
setColor(MI, ++IndirectCallColor); setColor(MI, ++IndirectCallColor);
break; break;
} }