Add implicit use / def operands to created MI's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31676 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index ddc730d..1a6e60a 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -525,12 +525,8 @@
// 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);
+ BuildMI(*BB, BB->getFirstTerminator(), X86::FP_REG_KILL, 0).
+ addImplicitDefsUses();
++NumFPKill;
}
}
@@ -541,7 +537,8 @@
void X86DAGToDAGISel::EmitSpecialCodeForMain(MachineBasicBlock *BB,
MachineFrameInfo *MFI) {
if (Subtarget->isTargetCygwin())
- BuildMI(BB, X86::CALLpcrel32, 1).addExternalSymbol("__main");
+ BuildMI(BB, X86::CALLpcrel32, 1).addExternalSymbol("__main").
+ addImplicitDefsUses();
// Switch the FPU to 64-bit precision mode for better compatibility and speed.
int CWFrameIdx = MFI->CreateStackObject(2, 2);
@@ -952,7 +949,8 @@
// type of register here.
GlobalBaseReg = RegMap->createVirtualRegister(X86::GR32RegisterClass);
BuildMI(FirstMBB, MBBI, X86::MovePCtoStack, 0);
- BuildMI(FirstMBB, MBBI, X86::POP32r, 1, GlobalBaseReg);
+ BuildMI(FirstMBB, MBBI, X86::POP32r, 1, GlobalBaseReg).
+ addImplicitDefsUses();
}
return CurDAG->getRegister(GlobalBaseReg, TLI.getPointerTy()).Val;
}