From 697df03545158ccdbca6671311127c02c2233ef8 Mon Sep 17 00:00:00 2001
From: Dan Gohman <dan433584@gmail.com>
Date: Fri, 20 Nov 2015 03:13:31 +0000
Subject: [PATCH] [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
---
lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index 400e85748eb..512cdd1579f 100644
--- 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();
- 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);
--
2.34.1