From dd58ef019b700900793a1eb48b52123db01b654e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 30 Dec 2015 11:46:15 +0000
Subject: Vendor import of llvm trunk r256633:
 https://llvm.org/svn/llvm-project/llvm/trunk@256633

---
 lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp')

diff --git a/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp b/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp
index 542d984b90062..225c5d32cb5d1 100644
--- a/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp
@@ -17,3 +17,9 @@
 using namespace llvm;
 
 WebAssemblyFunctionInfo::~WebAssemblyFunctionInfo() {}
+
+void WebAssemblyFunctionInfo::initWARegs() {
+  assert(WARegs.empty());
+  unsigned Reg = UnusedReg;
+  WARegs.resize(MF.getRegInfo().getNumVirtRegs(), Reg);
+}
-- 
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