From e95516f77127ca534775d5f8d8cbb6e2e9c3f993 Mon Sep 17 00:00:00 2001
From: Valentin Churavy <v.churavy@gmail.com>
Date: Thu, 1 Dec 2016 18:48:30 +0900
Subject: [PATCH] Don't assume mingw is providing SSP functions

Summary:
Mingw is indirectly targeting msvcrt*.dll and we can't guarantee that
these functions will be available during JIT'ing.

Differential Revision: https://reviews.llvm.org/D27296
---
 lib/Target/X86/X86ISelLowering.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 44eae35..a932792 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2016,7 +2016,7 @@ Value *X86TargetLowering::getIRStackGuard(IRBuilder<> &IRB) const {
 
 void X86TargetLowering::insertSSPDeclarations(Module &M) const {
   // MSVC CRT provides functionalities for stack protection.
-  if (Subtarget.getTargetTriple().isOSMSVCRT()) {
+  if (Subtarget.getTargetTriple().isWindowsMSVCEnvironment()) {
     // MSVC CRT has a global variable holding security cookie.
     M.getOrInsertGlobal("__security_cookie",
                         Type::getInt8PtrTy(M.getContext()));
@@ -2038,14 +2038,14 @@ void X86TargetLowering::insertSSPDeclarations(Module &M) const {
 
 Value *X86TargetLowering::getSDagStackGuard(const Module &M) const {
   // MSVC CRT has a global variable holding security cookie.
-  if (Subtarget.getTargetTriple().isOSMSVCRT())
+  if (Subtarget.getTargetTriple().isWindowsMSVCEnvironment())
     return M.getGlobalVariable("__security_cookie");
   return TargetLowering::getSDagStackGuard(M);
 }
 
 Value *X86TargetLowering::getSSPStackGuardCheck(const Module &M) const {
   // MSVC CRT has a function to validate security cookie.
-  if (Subtarget.getTargetTriple().isOSMSVCRT())
+  if (Subtarget.getTargetTriple().isWindowsMSVCEnvironment())
     return M.getFunction("__security_check_cookie");
   return TargetLowering::getSSPStackGuardCheck(M);
 }
-- 
2.10.2