Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index bf4e205..acd3dde 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -960,8 +960,9 @@
}
// Finally, if this is a noop copy instruction, zap it.
- unsigned SrcReg, DstReg;
- if (TII->isMoveInstr(*MI, SrcReg, DstReg) && SrcReg == DstReg)
+ unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
+ if (TII->isMoveInstr(*MI, SrcReg, DstReg, SrcSubReg, DstSubReg) &&
+ SrcReg == DstReg)
MBB.erase(MI);
}