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bugfix: sometimes the spiller puts a load between the "mov lr, pc" and "bx" of a CALL_NOLINK.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35381 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lauro Ramos Venancio
2007-03-27 16:19:21 +00:00
parent dd43321079
commit b8a93a45f8
3 changed files with 11 additions and 11 deletions
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lib/Target/ARM/ARMISelLowering.cpp
+3 -3
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@@ -555,10 +555,10 @@ SDOperand ARMTargetLowering::LowerCALL(SDOperand Op, SelectionDAG &DAG) {
CallOpc = (isDirect || Subtarget->hasV5TOps())
? ARMISD::CALL : ARMISD::CALL_NOLINK;
}
if (CallOpc == ARMISD::CALL_NOLINK) {
// On CALL_NOLINK we must move PC to LR
if (CallOpc == ARMISD::CALL_NOLINK && !Subtarget->isThumb()) {
// implicit def LR - LR mustn't be allocated as GRP:$dst of CALL_NOLINK
Chain = DAG.getCopyToReg(Chain, ARM::LR,
DAG.getRegister(ARM::PC, MVT::i32), InFlag);
DAG.getNode(ISD::UNDEF, MVT::i32), InFlag);
InFlag = Chain.getValue(1);
}