[WebAssembly] Inline asm support.
llvm-svn: 252997
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index bcee995..0ab8888 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
@@ -77,6 +77,12 @@
void EmitFunctionBodyStart() override;
void EmitInstruction(const MachineInstr *MI) override;
void EmitEndOfAsmFile(Module &M) override;
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &OS) override;
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &OS) override;
std::string getRegTypeName(unsigned RegNo) const;
const char *toString(MVT VT) const;
@@ -275,6 +281,41 @@
OutStreamer->EmitRawText(Text.substr(0, Text.size() - 1));
}
+bool WebAssemblyAsmPrinter::PrintAsmOperand(const MachineInstr *MI,
+ unsigned OpNo, unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &OS) {
+ if (AsmVariant != 0)
+ report_fatal_error("There are no defined alternate asm variants");
+
+ if (!ExtraCode) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
+ if (MO.isImm())
+ OS << MO.getImm();
+ else
+ OS << regToString(MO);
+ return false;
+ }
+
+ return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, OS);
+}
+
+bool WebAssemblyAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &OS) {
+ if (AsmVariant != 0)
+ report_fatal_error("There are no defined alternate asm variants");
+
+ if (!ExtraCode) {
+ OS << regToString(MI->getOperand(OpNo));
+ return false;
+ }
+
+ return AsmPrinter::PrintAsmMemoryOperand(MI, OpNo, AsmVariant, ExtraCode, OS);
+}
+
// Force static initialization.
extern "C" void LLVMInitializeWebAssemblyAsmPrinter() {
RegisterAsmPrinter<WebAssemblyAsmPrinter> X(TheWebAssemblyTarget32);