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[MCJIT] Make repeat calls to MCJIT::getPointerToFunction for declarations safe.

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MCJIT::getPointerForFunction adds the resulting address to the global mapping.
This should be done via updateGlobalMapping rather than addGlobalMapping, since
the latter asserts if a mapping already exists.

MCJIT::getPointerToFunction is actually deprecated - hopefully we can remove it
(or more likely re-task it) entirely soon. In the mean time it should at least
work as advertised.

<rdar://problem/18727946>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220444 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2014-10-22 23:18:42 +00:00
parent ae3811c355
commit 950c6482c6
3 changed files with 22 additions and 1 deletions
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lib/ExecutionEngine/MCJIT/MCJIT.cpp
+1 -1
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@@ -357,7 +357,7 @@ void *MCJIT::getPointerToFunction(Function *F) {
if (F->isDeclaration() || F->hasAvailableExternallyLinkage()) {
bool AbortOnFailure = !F->hasExternalWeakLinkage();
void *Addr = getPointerToNamedFunction(Name, AbortOnFailure);
addGlobalMapping(F, Addr);
updateGlobalMapping(F, Addr);
return Addr;
}