[llvm] r253644 - [WebAssembly] Remove the AsmPrinter code for printing physical registers.

[Dan Gohman via llvm-commits]

Author: djg
Date: Thu Nov 19 21:13:31 2015
New Revision: 253644

URL: http://llvm.org/viewvc/llvm-project?rev=253644&view=rev
Log:
[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.

Modified:
    llvm/trunk/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp

Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp?rev=253644&r1=253643&r2=253644&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp Thu Nov 19 21:13:31 2015
@@ -107,9 +107,8 @@ std::string WebAssemblyAsmPrinter::getRe
 
 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);