summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--llvm/include/llvm/Transforms/Utils/FunctionImportUtils.h5
-rw-r--r--llvm/lib/Transforms/Utils/FunctionImportUtils.cpp23
2 files changed, 12 insertions, 16 deletions
diff --git a/llvm/include/llvm/Transforms/Utils/FunctionImportUtils.h b/llvm/include/llvm/Transforms/Utils/FunctionImportUtils.h
index fca23dda8a1..2c6c3adc8da 100644
--- a/llvm/include/llvm/Transforms/Utils/FunctionImportUtils.h
+++ b/llvm/include/llvm/Transforms/Utils/FunctionImportUtils.h
@@ -49,7 +49,7 @@ class FunctionImportGlobalProcessing {
DenseMap<const Comdat *, Comdat *> RenamedComdats;
/// Check if we should promote the given local value to global scope.
- bool shouldPromoteLocalToGlobal(const GlobalValue *SGV);
+ bool shouldPromoteLocalToGlobal(const GlobalValue *SGV, ValueInfo VI);
#ifndef NDEBUG
/// Check if the given value is a local that can't be renamed (promoted).
@@ -105,9 +105,6 @@ public:
}
bool run();
-
- static bool doImportAsDefinition(const GlobalValue *SGV,
- SetVector<GlobalValue *> *GlobalsToImport);
};
/// Perform in-place global value handling on the given Module for
diff --git a/llvm/lib/Transforms/Utils/FunctionImportUtils.cpp b/llvm/lib/Transforms/Utils/FunctionImportUtils.cpp
index 04172b499cd..71aa585dfe5 100644
--- a/llvm/lib/Transforms/Utils/FunctionImportUtils.cpp
+++ b/llvm/lib/Transforms/Utils/FunctionImportUtils.cpp
@@ -19,7 +19,9 @@ using namespace llvm;
/// Checks if we should import SGV as a definition, otherwise import as a
/// declaration.
bool FunctionImportGlobalProcessing::doImportAsDefinition(
- const GlobalValue *SGV, SetVector<GlobalValue *> *GlobalsToImport) {
+ const GlobalValue *SGV) {
+ if (!isPerformingImport())
+ return false;
// Only import the globals requested for importing.
if (!GlobalsToImport->count(const_cast<GlobalValue *>(SGV)))
@@ -32,16 +34,8 @@ bool FunctionImportGlobalProcessing::doImportAsDefinition(
return true;
}
-bool FunctionImportGlobalProcessing::doImportAsDefinition(
- const GlobalValue *SGV) {
- if (!isPerformingImport())
- return false;
- return FunctionImportGlobalProcessing::doImportAsDefinition(SGV,
- GlobalsToImport);
-}
-
bool FunctionImportGlobalProcessing::shouldPromoteLocalToGlobal(
- const GlobalValue *SGV) {
+ const GlobalValue *SGV, ValueInfo VI) {
assert(SGV->hasLocalLinkage());
// Both the imported references and the original local variable must
// be promoted.
@@ -66,7 +60,7 @@ bool FunctionImportGlobalProcessing::shouldPromoteLocalToGlobal(
// (so the source file name and resulting GUID is the same). Find the one
// in this module.
auto Summary = ImportIndex.findSummaryInModule(
- SGV->getGUID(), SGV->getParent()->getModuleIdentifier());
+ VI, SGV->getParent()->getModuleIdentifier());
assert(Summary && "Missing summary for global value when exporting");
auto Linkage = Summary->linkage();
if (!GlobalValue::isLocalLinkage(Linkage)) {
@@ -227,6 +221,11 @@ void FunctionImportGlobalProcessing::processGlobalForThinLTO(GlobalValue &GV) {
}
}
+ // We should always have a ValueInfo (i.e. GV in index) for definitions when
+ // we are exporting, and also when importing that value.
+ assert(VI || GV.isDeclaration() ||
+ (isPerformingImport() && !doImportAsDefinition(&GV)));
+
// Mark read/write-only variables which can be imported with specific
// attribute. We can't internalize them now because IRMover will fail
// to link variable definitions to their external declarations during
@@ -265,7 +264,7 @@ void FunctionImportGlobalProcessing::processGlobalForThinLTO(GlobalValue &GV) {
}
}
- if (GV.hasLocalLinkage() && shouldPromoteLocalToGlobal(&GV)) {
+ if (GV.hasLocalLinkage() && shouldPromoteLocalToGlobal(&GV, VI)) {
// Save the original name string before we rename GV below.
auto Name = GV.getName().str();
GV.setName(getPromotedName(&GV));
OpenPOWER on IntegriCloud