[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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253644 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index 400e85748eba7c84b1b1586bbfe3be1983e52f04..512cdd1579fbdd8324261a7158d1dfa4309a91e8 100644 (file)
--- a/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/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();
 
 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);
   assert(!MFI->isVRegStackified(RegNo));
   unsigned WAReg = MFI->getWAReg(RegNo);
   assert(WAReg != WebAssemblyFunctionInfo::UnusedReg);