From 1dafaa87d9c3b25f53bd18cab18725dd1d76023e Mon Sep 17 00:00:00 2001
From: Max Kazantsev <max.kazantsev@azul.com>
Date: Wed, 29 Aug 2018 11:37:34 +0000
Subject: [NFC] Unify guards detection

We have multiple places in code where we try to identify whether or not
some instruction is a guard. This patch factors out this logic into a separate
utility function which works uniformly in all places.

Differential Revision: https://reviews.llvm.org/D51152
Reviewed By: fedor.sergeev

llvm-svn: 340921
---
 llvm/lib/Transforms/Scalar/EarlyCSE.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Scalar/EarlyCSE.cpp')

diff --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
index 533d16e088c..d24ad0327f1 100644
--- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
@@ -54,6 +54,7 @@
 #include "llvm/Support/RecyclingAllocator.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/Utils/GuardUtils.h"
 #include <cassert>
 #include <deque>
 #include <memory>
@@ -863,7 +864,7 @@ bool EarlyCSE::processNode(DomTreeNode *Node) {
       continue;
     }
 
-    if (match(Inst, m_Intrinsic<Intrinsic::experimental_guard>())) {
+    if (isGuard(Inst)) {
       if (auto *CondI =
               dyn_cast<Instruction>(cast<CallInst>(Inst)->getArgOperand(0))) {
         if (SimpleValue::canHandle(CondI)) {
-- 
cgit v1.2.3