Add all implicit defs to FP_REG_KILL mi.

llvm-svn: 31674
2006-11-11 07:19:36 +00:00 · 2006-11-11 07:19:36 +00:00 · a36cdcfaf8
parent c5102bfc7c
commit a36cdcfaf8
1 changed files with 6 additions and 1 deletions
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@ -525,7 +525,12 @@ void X86DAGToDAGISel::InstructionSelectBasicBlock(SelectionDAG &DAG) {

    // Finally, if we found any FP code, emit the FP_REG_KILL instruction.
    if (ContainsFPCode) {
+      const TargetInstrDescriptor &II= TM.getInstrInfo()->get(X86::FP_REG_KILL);
+      MachineInstrBuilder MIB =
        BuildMI(*BB, BB->getFirstTerminator(), X86::FP_REG_KILL, 0);
+      for (const unsigned *ImplicitDefs = II.ImplicitDefs;
+           *ImplicitDefs; ++ImplicitDefs)
+        MIB = MIB.addReg(*ImplicitDefs, true, true);
      ++NumFPKill;
    }
  }