Physreg dead defs should be handled too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149118 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp
index b7d18ba1a1431c70e066deb2c4cf4ecbeef76619..b1796ab8a9a3f2a3c33cbba91b1e5a7581032bc7 100644 (file)
--- a/lib/CodeGen/RegisterCoalescer.cpp
+++ b/lib/CodeGen/RegisterCoalescer.cpp
@@ -1931,8 +1931,8 @@ bool RegisterCoalescer::runOnMachineFunction(MachineFunction &fn) {
           unsigned Reg = MO.getReg();
           if (!Reg)
             continue;
+          DeadDefs.push_back(Reg);
           if (TargetRegisterInfo::isVirtualRegister(Reg)) {
-            DeadDefs.push_back(Reg);
             // Remat may also enable register class inflation.
             if (RegClassInfo.isProperSubClass(MRI->getRegClass(Reg)))
               InflateRegs.push_back(Reg);