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Be careful not to make "external" function internal

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2363 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-04-28 05:48:34 +00:00
parent dbb1735673
commit 100d6daca4
1 changed files with 3 additions and 2 deletions
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5
lib/Transforms/IPO/Internalize.cpp
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@ -15,7 +15,7 @@ class InternalizePass : public Pass {
virtual bool run(Module *M) {
bool FoundMain = false; // Look for a function named main...
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
if ((*I)->getName() == "main") {
if ((*I)->getName() == "main" && !(*I)->isExternal()) {
FoundMain = true;
break;
}
@ -26,7 +26,8 @@ class InternalizePass : public Pass {
// Found a main function, mark all functions not named main as internal.
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
if ((*I)->getName() != "main") // Leave the main function external
if ((*I)->getName() != "main" && // Leave the main function external
!(*I)->isExternal()) // Function must be defined here
(*I)->setInternalLinkage(Changed = true);
return Changed;