================
@@ -83,13 +85,82 @@
WebAssemblyInstructionSelector::WebAssemblyInstructionSelector(
{
}
+bool WebAssemblyInstructionSelector::selectCopy(
+ MachineInstr &I, MachineRegisterInfo &MRI) const {
+ Register DstReg = I.getOperand(0).getReg();
+ Register SrcReg = I.getOperand(1).getReg();
+
+ const TargetRegisterClass *DstRC;
+ if (DstReg.isPhysical()) {
+ switch (DstReg.id()) {
+ case WebAssembly::SP32:
+ DstRC = &WebAssembly::I32RegClass;
+ break;
+ case WebAssembly::SP64:
+ DstRC = &WebAssembly::I64RegClass;
+ break;
+ default:
+ reportFatalInternalError("Copy to physical register other than SP32 or
SP64?");
----------------
arsenm wrote:
alternatively return false to fallback
https://github.com/llvm/llvm-project/pull/197256
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