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Implement function prefix data as an IR feature.

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Previous discussion:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/063909.html

Differential Revision: http://llvm-reviews.chandlerc.com/D1191

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190773 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2013-09-16 01:08:15 +00:00
parent fabfb5d588
commit 1e3037f0be
20 changed files with 213 additions and 13 deletions
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17
lib/Linker/LinkModules.cpp
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@@ -1260,6 +1260,13 @@ bool ModuleLinker::run() {
// Skip if not linking from source.
if (DoNotLinkFromSource.count(SF)) continue;
Function *DF = cast<Function>(ValueMap[SF]);
if (SF->hasPrefixData()) {
// Link in the prefix data.
DF->setPrefixData(MapValue(
SF->getPrefixData(), ValueMap, RF_None, &TypeMap, &ValMaterializer));
}
// Skip if no body (function is external) or materialize.
if (SF->isDeclaration()) {
if (!SF->isMaterializable())
@@ -1268,7 +1275,7 @@ bool ModuleLinker::run() {
return true;
}
linkFunctionBody(cast<Function>(ValueMap[SF]), SF);
linkFunctionBody(DF, SF);
SF->Dematerialize();
}
@@ -1296,6 +1303,14 @@ bool ModuleLinker::run() {
continue;
Function *DF = cast<Function>(ValueMap[SF]);
if (SF->hasPrefixData()) {
// Link in the prefix data.
DF->setPrefixData(MapValue(SF->getPrefixData(),
ValueMap,
RF_None,
&TypeMap,
&ValMaterializer));
}
// Materialize if necessary.
if (SF->isDeclaration()) {