Temporarily revert "Change the informal convention of DBG_VALUE so that we can express a"

because it breaks some buildbots.

This reverts commit 180816.

llvm-svn: 180819

1 files changed, 7 insertions, 10 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 806e4640bfe..e21f26e91ce 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -418,14 +418,12 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
       MachineBasicBlock::iterator InsertPos = Def;
       const MDNode *Variable =
         MI->getOperand(MI->getNumOperands()-1).getMetadata();
-      unsigned Offset = 0;
-      if (MI->getOperand(1).isImm())
-        Offset = MI->getOperand(1).getImm();
+      unsigned Offset = MI->getOperand(1).getImm();
       // Def is never a terminator here, so it is ok to increment InsertPos.
       BuildMI(*EntryMBB, ++InsertPos, MI->getDebugLoc(),
-              TII.get(TargetOpcode::DBG_VALUE),
-              MI->getOperand(1).isReg(),
-              LDI->second, Offset, Variable);
+              TII.get(TargetOpcode::DBG_VALUE))
+        .addReg(LDI->second, RegState::Debug)
+        .addImm(Offset).addMetadata(Variable);
 
       // If this vreg is directly copied into an exported register then
       // that COPY instructions also need DBG_VALUE, if it is the only
@@ -444,10 +442,9 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
       if (CopyUseMI) {
         MachineInstr *NewMI =
           BuildMI(*MF, CopyUseMI->getDebugLoc(),
-                  TII.get(TargetOpcode::DBG_VALUE),
-                  Offset!=0,
-                  CopyUseMI->getOperand(0).getReg(),
-                  Offset, Variable);
+                  TII.get(TargetOpcode::DBG_VALUE))
+          .addReg(CopyUseMI->getOperand(0).getReg(), RegState::Debug)
+          .addImm(Offset).addMetadata(Variable);
         MachineBasicBlock::iterator Pos = CopyUseMI;
         EntryMBB->insertAfter(Pos, NewMI);
       }