[WebAssembly] Configure codegen to legalize f16 values.
llvm-svn: 295850
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 6a7f75a..9c8de79 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -95,6 +95,11 @@
// Support minnan and maxnan, which otherwise default to expand.
setOperationAction(ISD::FMINNAN, T, Legal);
setOperationAction(ISD::FMAXNAN, T, Legal);
+ // WebAssembly currently has no builtin f16 support.
+ setOperationAction(ISD::FP16_TO_FP, T, Expand);
+ setOperationAction(ISD::FP_TO_FP16, T, Expand);
+ setLoadExtAction(ISD::EXTLOAD, T, MVT::f16, Expand);
+ setTruncStoreAction(T, MVT::f16, Expand);
}
for (auto T : {MVT::i32, MVT::i64}) {