Add support for attribute groups in the value enumerator.
Attribute groups are essentially all AttributeSets which are used by the
program. Enumerate them here.
llvm-svn: 174844
diff --git a/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp b/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp
index b2f7875..9f7e17b 100644
--- a/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -427,6 +427,16 @@
Attribute.push_back(PAL);
Entry = Attribute.size();
}
+
+ // Do lookups for all attribute groups.
+ for (unsigned i = 0, e = PAL.getNumSlots(); i != e; ++i) {
+ AttributeSet AS = PAL.getSlotAttributes(i);
+ unsigned &Entry = AttributeSetMap[AS];
+ if (Entry == 0) {
+ AttributeSets.push_back(AS);
+ Entry = AttributeSets.size();
+ }
+ }
}
void ValueEnumerator::incorporateFunction(const Function &F) {