[WebAssembly] Remove the AsmPrinter code for printing physical registers.

WebAssembly does not have physical registers, so even if LLVM uses physical
registers like SP, they'll need to be lowered to virtual registers before
AsmPrinter time.

llvm-svn: 253644

1 files changed, 2 insertions, 3 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index 400e85748eb..512cdd1579f 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
@@ -107,9 +107,8 @@ std::string WebAssemblyAsmPrinter::getRegTypeName(unsigned RegNo) const {
 
 std::string WebAssemblyAsmPrinter::regToString(const MachineOperand &MO) {
   unsigned RegNo = MO.getReg();
-  if (TargetRegisterInfo::isPhysicalRegister(RegNo))
-    return WebAssemblyInstPrinter::getRegisterName(RegNo);
-
+  assert(TargetRegisterInfo::isVirtualRegister(RegNo) &&
+         "Unlowered physical register encountered during assembly printing");
   assert(!MFI->isVRegStackified(RegNo));
   unsigned WAReg = MFI->getWAReg(RegNo);
   assert(WAReg != WebAssemblyFunctionInfo::UnusedReg);