[WebAssembly] Inline asm support.
llvm-svn: 252997
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
index 58a2375..8a02c91 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
@@ -56,6 +56,9 @@
SDNode *Select(SDNode *Node) override;
+ bool SelectInlineAsmMemoryOperand(const SDValue &Op, unsigned ConstraintID,
+ std::vector<SDValue> &OutOps) override;
+
// Include the pieces autogenerated from the target description.
#include "WebAssemblyGenDAGISel.inc"
@@ -101,6 +104,22 @@
return ResNode;
}
+bool WebAssemblyDAGToDAGISel::SelectInlineAsmMemoryOperand(
+ const SDValue &Op, unsigned ConstraintID, std::vector<SDValue> &OutOps) {
+ switch (ConstraintID) {
+ case InlineAsm::Constraint_i:
+ case InlineAsm::Constraint_m:
+ // We just support simple memory operands that just have a single address
+ // operand and need no special handling.
+ OutOps.push_back(Op);
+ return false;
+ default:
+ break;
+ }
+
+ return true;
+}
+
/// This pass converts a legalized DAG into a WebAssembly-specific DAG, ready
/// for instruction scheduling.
FunctionPass *llvm::createWebAssemblyISelDag(WebAssemblyTargetMachine &TM,