LLVMReactor: #error if usng LLVM 3

An easy to revert step towards https://swiftshader-review.googlesource.com/c/SwiftShader/+/28909. Bug: b/130343040 Change-Id: I0180e9698bedd2f11749faca1deef141e7000dc4 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/29669 Presubmit-Ready: Ben Clayton <bclayton@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com> Tested-by: Ben Clayton <bclayton@google.com>

LLVMReactor: #error if usng LLVM 3
20507fa9 · Ben Clayton · c9ca99ee · 20507fa9
Commit 20507fa9 authored Apr 20, 2019 by Ben Clayton
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LLVMReactor.cpp src/Reactor/LLVMReactor.cpp +2 -0

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--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
@@ -27,6 +27,8 @@
 #undef max

 #if REACTOR_LLVM_VERSION < 7
+#error "LLVM 3 backend is deprecated, and will be removed shortly"
+
 	#include "llvm/Analysis/LoopPass.h"
 	#include "llvm/Constants.h"
 	#include "llvm/Function.h"