diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp')
-rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp index 538234384af..aff379585f2 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp @@ -852,8 +852,8 @@ bool WebAssemblyTargetLowering::CanLowerReturn( CallingConv::ID /*CallConv*/, MachineFunction & /*MF*/, bool /*IsVarArg*/, const SmallVectorImpl<ISD::OutputArg> &Outs, LLVMContext & /*Context*/) const { - // WebAssembly can't currently handle returning tuples. - return Outs.size() <= 1; + // WebAssembly can only handle returning tuples with multivalue enabled + return Subtarget->hasMultivalue() || Outs.size() <= 1; } SDValue WebAssemblyTargetLowering::LowerReturn( @@ -861,7 +861,8 @@ SDValue WebAssemblyTargetLowering::LowerReturn( const SmallVectorImpl<ISD::OutputArg> &Outs, const SmallVectorImpl<SDValue> &OutVals, const SDLoc &DL, SelectionDAG &DAG) const { - assert(Outs.size() <= 1 && "WebAssembly can only return up to one value"); + assert(Subtarget->hasMultivalue() || + Outs.size() <= 1 && "MVP WebAssembly can only return up to one value"); if (!callingConvSupported(CallConv)) fail(DL, DAG, "WebAssembly doesn't support non-C calling conventions"); |