Loosen our check here. Local regalloc only cares that the reg is used and def'd by the same instruction, but about the details of
the relationship.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 3e1038d..7f65f1b 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -592,9 +592,7 @@
// If this is a two address instr, then we don't mark the def
// as killing the use.
- if (last->second.first == I &&
- I->getDesc().getOperandConstraint(last->second.second,
- TOI::TIED_TO) == (signed)i) {
+ if (last->second.first == I) {
LastUseDef[MO.getReg()] = std::make_pair(I, i);
continue;
}