Add the function attributes from an inline asm call. These don't have declarations that set the attribute groups, so we must do it on our own.

llvm-svn: 175577

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 17d49ac4101..d130a25b2ed 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -553,6 +553,14 @@ void SlotTracker::processFunction() {
             for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
               if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i)))
                 CreateMetadataSlot(N);
+
+        // Add all the call attributes to the table. This is important for
+        // inline ASM, which may have attributes but no declaration.
+        if (CI->isInlineAsm()) {
+          AttributeSet Attrs = CI->getAttributes().getFnAttributes();
+          if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
+            CreateAttributeSetSlot(Attrs);
+        }
       }
 
       // Process metadata attached with this instruction.