diff options
Diffstat (limited to 'llvm/utils/TableGen')
| -rw-r--r-- | llvm/utils/TableGen/WebAssemblyStackifierEmitter.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/WebAssemblyStackifierEmitter.cpp b/llvm/utils/TableGen/WebAssemblyStackifierEmitter.cpp index de637e5be57..0b9741d22b8 100644 --- a/llvm/utils/TableGen/WebAssemblyStackifierEmitter.cpp +++ b/llvm/utils/TableGen/WebAssemblyStackifierEmitter.cpp @@ -17,6 +17,17 @@ namespace llvm { +// Find all register WebAssembly instructions and their corresponding stack +// instructions. For each pair, emit a switch case of the form +// +// case WebAssembly::RegisterInstr: return WebAssembly::StackInstr; +// +// For example, +// +// case WebAssembly::ADD_I32: return WebAssembly::ADD_I32_S; +// +// This is useful for converting instructions from their register form to their +// equivalent stack form. void EmitWebAssemblyStackifier(RecordKeeper &RK, raw_ostream &OS) { Record *InstrClass = RK.getClass("WebAssemblyInst"); for (auto &RecordPair : RK.getDefs()) { @@ -26,7 +37,7 @@ void EmitWebAssemblyStackifier(RecordKeeper &RK, raw_ostream &OS) { if (IsStackBased) continue; OS << " case WebAssembly::" << RecordPair.first << ": return " - << "WebAssembly::" << RecordPair.first << "_S; break;\n"; + << "WebAssembly::" << RecordPair.first << "_S;\n"; } } |
