Remove some code that doesn't appear to do anything. All the ARM call

instructions already have implicit defs of LR.  The comment suggests that
this is intended to fix something like pr6111, but it doesn't really do
that either.

llvm-svn: 108186

1 files changed, 0 insertions, 5 deletions

diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index e60a2b14f1f..2d4426eb067 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -1284,11 +1284,6 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
       ? (isLocalARMFunc ? ARMISD::CALL_PRED : ARMISD::CALL)
       : ARMISD::CALL_NOLINK;
   }
-  if (CallOpc == ARMISD::CALL_NOLINK && !Subtarget->isThumb1Only()) {
-    // implicit def LR - LR mustn't be allocated as GRP:$dst of CALL_NOLINK
-    Chain = DAG.getCopyToReg(Chain, dl, ARM::LR, DAG.getUNDEF(MVT::i32),InFlag);
-    InFlag = Chain.getValue(1);
-  }
 
   std::vector<SDValue> Ops;
   Ops.push_back(Chain);