maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Refactor out some common code from r252834 

llvm-svn: 252840
This commit is contained in:
David Blaikie 2015-11-12 01:09:58 +00:00
parent b9610a6bc2
commit 5df25338a0
1 changed files with 26 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
clang/lib/CodeGen/CodeGenFunction.cpp
View File

@ -1843,6 +1843,30 @@ template void CGBuilderInserter<PreserveNames>::InsertHelper(
llvm::BasicBlock::iterator InsertPt) const;
#undef PreserveNames
static bool hasRequiredFeatures(const SmallVectorImpl<StringRef> &ReqFeatures,
CodeGenModule &CGM, const FunctionDecl *FD) {
// If there aren't any required features listed then go ahead and return.
if (ReqFeatures.empty())
return false;
// Now build up the set of caller features and verify that all the required
// features are there.
llvm::StringMap<bool> CallerFeatureMap;
CGM.getFunctionFeatureMap(CallerFeatureMap, FD);
// If we have at least one of the features in the feature list return
// true, otherwise return false.
return std::all_of(
ReqFeatures.begin(), ReqFeatures.end(), [&](StringRef Feature) {
SmallVector<StringRef, 1> OrFeatures;
Feature.split(OrFeatures, "|");
return std::any_of(OrFeatures.begin(), OrFeatures.end(),
[&](StringRef Feature) {
return CallerFeatureMap.lookup(Feature);
});
});
}
// Emits an error if we don't have a valid set of target features for the
// called function.
void CodeGenFunction::checkTargetFeatures(const CallExpr *E,
@ -1870,26 +1894,7 @@ void CodeGenFunction::checkTargetFeatures(const CallExpr *E,
return;
StringRef(FeatureList).split(ReqFeatures, ",");
// If there aren't any required features listed then go ahead and return.
if (ReqFeatures.empty())
return;
// Now build up the set of caller features and verify that all the required
// features are there.
llvm::StringMap<bool> CallerFeatureMap;
CGM.getFunctionFeatureMap(CallerFeatureMap, FD);
// If we have at least one of the features in the feature list return
// true, otherwise return false.
if (!std::all_of(
ReqFeatures.begin(), ReqFeatures.end(), [&](StringRef &Feature) {
SmallVector<StringRef, 1> OrFeatures;
Feature.split(OrFeatures, "|");
return std::any_of(OrFeatures.begin(), OrFeatures.end(),
[&](StringRef &Feature) {
return CallerFeatureMap.lookup(Feature);
});
}))
if (!hasRequiredFeatures(ReqFeatures, CGM, FD))
CGM.getDiags().Report(E->getLocStart(), diag::err_builtin_needs_feature)
<< TargetDecl->getDeclName()
<< CGM.getContext().BuiltinInfo.getRequiredFeatures(BuiltinID);
@ -1901,25 +1906,7 @@ void CodeGenFunction::checkTargetFeatures(const CallExpr *E,
CGM.getFunctionFeatureMap(CalleeFeatureMap, TargetDecl);
for (const auto &F : CalleeFeatureMap)
ReqFeatures.push_back(F.getKey());
// If there aren't any required features listed then go ahead and return.
if (ReqFeatures.empty())
return;
// Now get the features that the caller provides.
llvm::StringMap<bool> CallerFeatureMap;
CGM.getFunctionFeatureMap(CallerFeatureMap, FD);
// If we have at least one of the features in the feature list return
// true, otherwise return false.
if (!std::all_of(
ReqFeatures.begin(), ReqFeatures.end(), [&](StringRef &Feature) {
SmallVector<StringRef, 1> OrFeatures;
Feature.split(OrFeatures, "|");
return std::any_of(OrFeatures.begin(), OrFeatures.end(),
[&](StringRef &Feature) {
return CallerFeatureMap.lookup(Feature);
});
}))
if (!hasRequiredFeatures(ReqFeatures, CGM, FD))
CGM.getDiags().Report(E->getLocStart(), diag::err_function_needs_feature)
<< FD->getDeclName() << TargetDecl->getDeclName();
}