WebAssembly: Implement call

Summary: Support function calls.

Reviewers: sunfish, sunfishcode

Subscribers: sunfishcode, jfb, llvm-commits

Differential revision: http://reviews.llvm.org/D12219

llvm-svn: 245887

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index a3cbcbbeaf6..065ef87fb35 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
@@ -84,7 +84,10 @@ static SmallString<32> Name(const WebAssemblyInstrInfo *TII,
   return SmallString<32>(&N[0], &N[End]);
 }
 
+static std::string toSymbol(StringRef S) { return ("$" + S).str(); }
+
 void WebAssemblyAsmPrinter::EmitInstruction(const MachineInstr *MI) {
+  DEBUG(dbgs() << "EmitInstruction: " << *MI << '\n');
   SmallString<128> Str;
   raw_svector_ostream OS(Str);
 
@@ -132,6 +135,9 @@ void WebAssemblyAsmPrinter::EmitInstruction(const MachineInstr *MI) {
       assert(Written < BufBytes);
       OS << ' ' << buf;
     } break;
+    case MachineOperand::MO_GlobalAddress: {
+      OS << ' ' << toSymbol(MO.getGlobal()->getName());
+    } break;
     }
   OS << ')';