diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -1982,8 +1982,11 @@
     auto *GV = new GlobalVariable(M, Type::getInt8PtrTy(M.getContext()), false,
                                   GlobalVariable::ExternalLinkage, nullptr,
                                   "__stack_chk_guard");
+
+    // FreeBSD has "__stack_chk_guard" defined externally on libc.so
     if (TM.getRelocationModel() == Reloc::Static &&
-        !TM.getTargetTriple().isWindowsGNUEnvironment())
+        !TM.getTargetTriple().isWindowsGNUEnvironment() &&
+        !TM.getTargetTriple().isOSFreeBSD())
       GV->setDSOLocal(true);
   }
 }
diff --git a/llvm/test/CodeGen/PowerPC/stack-protector.ll b/llvm/test/CodeGen/PowerPC/stack-protector.ll
--- a/llvm/test/CodeGen/PowerPC/stack-protector.ll
+++ b/llvm/test/CodeGen/PowerPC/stack-protector.ll
@@ -3,16 +3,23 @@
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux < %s | FileCheck -check-prefix=LINUX64 %s
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc-ibm-aix-xcoff < %s | FileCheck -check-prefix=AIX32 %s
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-ibm-aix-xcoff < %s | FileCheck -check-prefix=AIX64 %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-freebsd13 < %s | FileCheck -check-prefix=FREEBSD32 %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-freebsd13 < %s | FileCheck -check-prefix=FREEBSD64 %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-freebsd13 < %s | FileCheck -check-prefix=FREEBSD64 %s
 
 ; LINUX32: lwz {{[0-9]+}}, -28680(2)
 ; LINUX64: ld {{[0-9]+}}, -28688(13)
 ; AIX32: lwz {{.*}}__ssp_canary_word
 ; AIX64: ld {{.*}}__ssp_canary_word
+; FREEBSD32: lwz {{[0-9]+}}, __stack_chk_guard@l(29)
+; FREEBSD64: ld {{[0-9]+}}, .LC0@toc@l(4)
 
 ; LINUX32: __stack_chk_fail
 ; LINUX64: __stack_chk_fail
 ; AIX32: __stack_chk_fail
 ; AIX64: __stack_chk_fail
+; FREEBSD32: bl __stack_chk_fail
+; FREEBSD64: bl __stack_chk_fail
 
 @"\01LC" = internal constant [11 x i8] c"buf == %s\0A\00"		; <[11 x i8]*> [#uses=1]