From: Alexey Bataev <a.bataev@hotmail.com>
Date: Fri, 8 Dec 2017 15:17:37 +0000 (+0000)
Subject: [PatternMatch] Add matcher for LoadInst, NFC.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=95462df77a8fc567895580559862e26e944e3b48;p=llvm

[PatternMatch] Add matcher for LoadInst, NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320155 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/IR/PatternMatch.h b/include/llvm/IR/PatternMatch.h
index 5124607436f..245d72fbd16 100644
--- a/include/llvm/IR/PatternMatch.h
+++ b/include/llvm/IR/PatternMatch.h
@@ -956,6 +956,26 @@ inline CastClass_match<OpTy, Instruction::FPExt> m_FPExt(const OpTy &Op) {
   return CastClass_match<OpTy, Instruction::FPExt>(Op);
 }
 
+//===----------------------------------------------------------------------===//
+// Matcher for LoadInst classes
+//
+
+template <typename Op_t> struct LoadClass_match {
+  Op_t Op;
+
+  LoadClass_match(const Op_t &OpMatch) : Op(OpMatch) {}
+
+  template <typename OpTy> bool match(OpTy *V) {
+    if (auto *LI = dyn_cast<LoadInst>(V))
+      return Op.match(LI->getPointerOperand());
+    return false;
+  }
+};
+
+/// Matches LoadInst.
+template <typename OpTy> inline LoadClass_match<OpTy> m_Load(const OpTy &Op) {
+  return LoadClass_match<OpTy>(Op);
+}
 //===----------------------------------------------------------------------===//
 // Matchers for unary operators
 //