WebAssembly: Implement call

[oota-llvm.git] / lib / Target / WebAssembly / WebAssemblyInstrCall.td

diff --git a/lib/Target/WebAssembly/WebAssemblyInstrCall.td b/lib/Target/WebAssembly/WebAssemblyInstrCall.td
index 6b5b6cd5417334623b1f62b91230ad4afd4f0a52..abb7f21512a7915d47e537404132c6d2f72fcbf4 100644 (file)
--- a/lib/Target/WebAssembly/WebAssemblyInstrCall.td
+++ b/lib/Target/WebAssembly/WebAssemblyInstrCall.td
@@ -12,6 +12,27 @@
 ///
 //===----------------------------------------------------------------------===//
 
+// The call sequence start/end LLVM-isms isn't useful to WebAssembly since it's
+// a virtual ISA.
+let isCodeGenOnly = 1 in {
+def : I<(outs), (ins i64imm:$amt),
+        [(WebAssemblycallseq_start timm:$amt)]>;
+def : I<(outs), (ins i64imm:$amt1, i64imm:$amt2),
+        [(WebAssemblycallseq_end timm:$amt1, timm:$amt2)]>;
+} // isCodeGenOnly = 1
+
+multiclass CALL<WebAssemblyRegClass vt> {
+  def CALL_#vt : I<(outs vt:$dst), (ins Int32:$callee, variable_ops),
+                   [(set vt:$dst, (WebAssemblycall Int32:$callee))]>;
+}
+let Uses = [SP32, SP64], isCall = 1 in {
+  defm : CALL<Int32>;
+  defm : CALL<Int64>;
+  defm : CALL<Float32>;
+  defm : CALL<Float64>;
+  // FIXME: void.
+} // Uses = [SP32,SP64], isCall = 1
+
 /*
  * TODO(jfb): Add the following.
  *