<rdar://problem/6721894>. Allow multiple registers to be renamed together (super and sub) if necessary to break an anti-dependence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89722 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index e8fb86c..8e3f8e7 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -581,12 +581,6 @@
return false;
}
- // FIXME: for now just handle single register in group case...
- if (Regs.size() > 1) {
- DEBUG(errs() << "\tMultiple rename registers in group\n");
- return false;
- }
-
#ifndef NDEBUG
// If DebugDiv > 0 then only rename (renamecnt % DebugDiv) == DebugMod
if (DebugDiv > 0) {