[Mips] Fix 374055

EXPENSIVE_CHECKS build was failing on new test.
This is fixed by marking $ra register as undef.
Test now has -verify-machineinstrs to check for operand flags.

llvm-svn: 374320

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp b/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
index 65afb3650f8..c8313240a67 100644
--- a/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
@@ -129,9 +129,9 @@ void MipsSEDAGToDAGISel::emitMCountABI(MachineInstr &MI, MachineBasicBlock &MBB,
   MachineInstrBuilder MIB(MF, &MI);
   if (!Subtarget->isABI_O32()) { // N32, N64
     // Save current return address.
-    BuildMI(MBB, &MI, MI.getDebugLoc(), TII->get(Mips::OR))
+    BuildMI(MBB, &MI, MI.getDebugLoc(), TII->get(Mips::OR64))
         .addDef(Mips::AT_64)
-        .addUse(Mips::RA_64)
+        .addUse(Mips::RA_64, RegState::Undef)
         .addUse(Mips::ZERO_64);
     // Stops instruction above from being removed later on.
     MIB.addUse(Mips::AT_64, RegState::Implicit);
@@ -139,7 +139,7 @@ void MipsSEDAGToDAGISel::emitMCountABI(MachineInstr &MI, MachineBasicBlock &MBB,
     // Save current return address.
     BuildMI(MBB, &MI, MI.getDebugLoc(), TII->get(Mips::OR))
         .addDef(Mips::AT)
-        .addUse(Mips::RA)
+        .addUse(Mips::RA, RegState::Undef)
         .addUse(Mips::ZERO);
     // _mcount pops 2 words from stack.
     BuildMI(MBB, &MI, MI.getDebugLoc(), TII->get(Mips::ADDiu))