Use the range variant of find_if instead of unpacking begin/end

No functionality change is intended.

llvm-svn: 278443
diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
index 663d7d8..6f7fd2b 100644
--- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
@@ -556,20 +556,17 @@
   /// findAsmOperand - Find the AsmOperand with the specified name and
   /// suboperand index.
   int findAsmOperand(StringRef N, int SubOpIdx) const {
-    auto I = std::find_if(AsmOperands.begin(), AsmOperands.end(),
-                          [&](const AsmOperand &Op) {
-                            return Op.SrcOpName == N && Op.SubOpIdx == SubOpIdx;
-                          });
+    auto I = find_if(AsmOperands, [&](const AsmOperand &Op) {
+      return Op.SrcOpName == N && Op.SubOpIdx == SubOpIdx;
+    });
     return (I != AsmOperands.end()) ? I - AsmOperands.begin() : -1;
   }
 
   /// findAsmOperandNamed - Find the first AsmOperand with the specified name.
   /// This does not check the suboperand index.
   int findAsmOperandNamed(StringRef N) const {
-    auto I = std::find_if(AsmOperands.begin(), AsmOperands.end(),
-                          [&](const AsmOperand &Op) {
-                            return Op.SrcOpName == N;
-                          });
+    auto I = find_if(AsmOperands,
+                     [&](const AsmOperand &Op) { return Op.SrcOpName == N; });
     return (I != AsmOperands.end()) ? I - AsmOperands.begin() : -1;
   }
 
@@ -774,9 +771,9 @@
   }
 
   bool hasOptionalOperands() const {
-    return std::find_if(Classes.begin(), Classes.end(),
-                        [](const ClassInfo& Class){ return Class.IsOptional; })
-              != Classes.end();
+    return find_if(Classes, [](const ClassInfo &Class) {
+             return Class.IsOptional;
+           }) != Classes.end();
   }
 };