Since ARM emits inline jump tables as part of the ConstantIsland pass,
it should set the jump table encloding the EK_Inline. This prevents
a second, unused, copy of the table from being emitted after the function
body. PR6581.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108730 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 2cba4bf..9b6db1d 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1628,6 +1628,10 @@
return DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Res);
}
+unsigned ARMTargetLowering::getJumpTableEncoding() const {
+ return MachineJumpTableInfo::EK_Inline;
+}
+
SDValue ARMTargetLowering::LowerBlockAddress(SDValue Op,
SelectionDAG &DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 1c178b3..7f37e20 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -175,6 +175,8 @@
public:
explicit ARMTargetLowering(TargetMachine &TM);
+ virtual unsigned getJumpTableEncoding(void) const;
+
virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
/// ReplaceNodeResults - Replace the results of node with an illegal result