[WebAssembly] Basic support for Wasm object file encoding.
With the "wasm32-unknown-unknown-wasm" triple, this allows writing out
simple wasm object files, and is another step in a larger series toward
migrating from ELF to general wasm object support. Note that this code
and the binary format itself is still experimental.
llvm-svn: 296190
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
index 1146431..39cb1ca 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
@@ -64,9 +64,12 @@
def BLOCK : I<(outs), (ins Signature:$sig), [], "block \t$sig", 0x02>;
def LOOP : I<(outs), (ins Signature:$sig), [], "loop \t$sig", 0x03>;
-// END_BLOCK and END_LOOP are represented with the same opcode in wasm.
+// END_BLOCK, END_LOOP, and END_FUNCTION are represented with the same opcode
+// in wasm.
def END_BLOCK : I<(outs), (ins), [], "end_block", 0x0b>;
def END_LOOP : I<(outs), (ins), [], "end_loop", 0x0b>;
+let isTerminator = 1, isBarrier = 1 in
+def END_FUNCTION : I<(outs), (ins), [], "end_function", 0x0b>;
} // Uses = [VALUE_STACK], Defs = [VALUE_STACK]
multiclass RETURN<WebAssemblyRegClass vt> {
