[WebAssembly] Update for spec change from tableswitch to br_table.
Also note that the operand order changed; the default label is now listed
after the regular labels.
llvm-svn: 262903
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 8f94f30..e3600b4 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -631,7 +631,7 @@
SDValue WebAssemblyTargetLowering::LowerJumpTable(SDValue Op,
SelectionDAG &DAG) const {
// There's no need for a Wrapper node because we always incorporate a jump
- // table operand into a TABLESWITCH instruction, rather than ever
+ // table operand into a BR_TABLE instruction, rather than ever
// materializing it in a register.
const JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
return DAG.getTargetJumpTable(JT->getIndex(), Op.getValueType(),
@@ -653,15 +653,15 @@
MachineJumpTableInfo *MJTI = DAG.getMachineFunction().getJumpTableInfo();
const auto &MBBs = MJTI->getJumpTables()[JT->getIndex()].MBBs;
+ // Add an operand for each case.
+ for (auto MBB : MBBs) Ops.push_back(DAG.getBasicBlock(MBB));
+
// TODO: For now, we just pick something arbitrary for a default case for now.
// We really want to sniff out the guard and put in the real default case (and
// delete the guard).
Ops.push_back(DAG.getBasicBlock(MBBs[0]));
- // Add an operand for each case.
- for (auto MBB : MBBs) Ops.push_back(DAG.getBasicBlock(MBB));
-
- return DAG.getNode(WebAssemblyISD::TABLESWITCH, DL, MVT::Other, Ops);
+ return DAG.getNode(WebAssemblyISD::BR_TABLE, DL, MVT::Other, Ops);
}
SDValue WebAssemblyTargetLowering::LowerVASTART(SDValue Op,