Implement support for ISRs.
Clone functions that are shared between the Main thread and Interrupt thread.
CallSites are changed in AsmPrinter currently. A better solution would have been to modify the legalizer (SoftenFloat) to allow targets to change the name of libcalls for float operations. But that currently breaks other targets.
Also, cloing of automatic variables is done AsmPrinter, a better approach would
be to use the ValueMap in CloneFunction itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79562 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp
index d4cbc0a..efcbd9a 100644
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -443,6 +443,7 @@
case PIC16ISD::SELECT_ICC: return "PIC16ISD::SELECT_ICC";
case PIC16ISD::BRCOND: return "PIC16ISD::BRCOND";
case PIC16ISD::RET: return "PIC16ISD::RET";
+ case PIC16ISD::RETFIE: return "PIC16ISD::RETFIE";
case PIC16ISD::Dummy: return "PIC16ISD::Dummy";
}
}
@@ -1272,7 +1273,10 @@
DAG.getConstant (i, MVT::i8));
}
- return DAG.getNode(PIC16ISD::RET, dl, MVT::Other, Chain);
+ if (PAN::isISR(F))
+ return DAG.getNode(PIC16ISD::RETFIE, dl, MVT::Other, Chain);
+ else
+ return DAG.getNode(PIC16ISD::RET, dl, MVT::Other, Chain);
}
void PIC16TargetLowering::