diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/CodeExtractor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/CodeExtractor.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/CodeExtractor.cpp b/llvm/lib/Transforms/Utils/CodeExtractor.cpp index 6816eb48f29..c514c9c9cd4 100644 --- a/llvm/lib/Transforms/Utils/CodeExtractor.cpp +++ b/llvm/lib/Transforms/Utils/CodeExtractor.cpp @@ -351,7 +351,22 @@ Function *CodeExtractor::constructFunction(const ValueSet &inputs, // If the old function is no-throw, so is the new one. if (oldFunction->doesNotThrow()) newFunction->setDoesNotThrow(); - + + // Inherit the uwtable attribute if we need to. + if (oldFunction->hasUWTable()) + newFunction->setHasUWTable(); + + // Inherit all of the target dependent attributes. + // (e.g. If the extracted region contains a call to an x86.sse + // instruction we need to make sure that the extracted region has the + // "target-features" attribute allowing it to be lowered. + // FIXME: This should be changed to check to see if a specific + // attribute can not be inherited. + AttributeSet OldFnAttrs = oldFunction->getAttributes().getFnAttributes(); + AttrBuilder AB(OldFnAttrs, AttributeSet::FunctionIndex); + for (auto Attr : AB.td_attrs()) + newFunction->addFnAttr(Attr.first, Attr.second); + newFunction->getBasicBlockList().push_back(newRootNode); // Create an iterator to name all of the arguments we inserted. |
