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Link the type of aliases.

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They are not more or less "well typed" than GlobalVariables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-11-25 04:43:59 +00:00
parent 5c51153edc
commit 453ce91dbc
3 changed files with 19 additions and 2 deletions
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7
lib/Linker/LinkModules.cpp
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@@ -786,6 +786,11 @@ void ModuleLinker::computeTypeMapping() {
TypeMap.addTypeMapping(DGV->getType(), SGV.getType());
}
for (GlobalValue &SGV : SrcM->aliases()) {
if (GlobalValue *DGV = getLinkedToGlobal(&SGV))
TypeMap.addTypeMapping(DGV->getType(), SGV.getType());
}
// Incorporate types by name, scanning all the types in the source module.
// At this point, the destination module may have a type "%foo = { i32 }" for
// example. When the source module got loaded into the same LLVMContext, if
@@ -829,8 +834,6 @@ void ModuleLinker::computeTypeMapping() {
TypeMap.addTypeMapping(DST, ST);
}
// Don't bother incorporating aliases, they aren't generally typed well.
// Now that we have discovered all of the type equivalences, get a body for
// any 'opaque' types in the dest module that are now resolved.
TypeMap.linkDefinedTypeBodies();