Add llvm::min/max_element and use it in llvm/ and mlir/ directories. (#84678)

For some reason this was missing from STLExtras.

3 files changed, 7 insertions, 12 deletions

diff --git a/llvm/utils/FileCheck/FileCheck.cpp b/llvm/utils/FileCheck/FileCheck.cpp
index e74a79e..a962518 100644
--- a/llvm/utils/FileCheck/FileCheck.cpp
+++ b/llvm/utils/FileCheck/FileCheck.cpp
@@ -742,20 +742,15 @@ int main(int argc, char **argv) {
   // In the latter case, the general rule of thumb is to choose the value that
   // provides the most information.
   DumpInputValue DumpInput =
-      DumpInputs.empty()
-          ? DumpInputFail
-          : *std::max_element(DumpInputs.begin(), DumpInputs.end());
+      DumpInputs.empty() ? DumpInputFail : *llvm::max_element(DumpInputs);
   DumpInputFilterValue DumpInputFilter;
   if (DumpInputFilters.empty())
     DumpInputFilter = DumpInput == DumpInputAlways ? DumpInputFilterAll
                                                    : DumpInputFilterError;
   else
-    DumpInputFilter =
-        *std::max_element(DumpInputFilters.begin(), DumpInputFilters.end());
-  unsigned DumpInputContext = DumpInputContexts.empty()
-                                  ? 5
-                                  : *std::max_element(DumpInputContexts.begin(),
-                                                      DumpInputContexts.end());
+    DumpInputFilter = *llvm::max_element(DumpInputFilters);
+  unsigned DumpInputContext =
+      DumpInputContexts.empty() ? 5 : *llvm::max_element(DumpInputContexts);
 
   if (DumpInput == DumpInputHelp) {
     DumpInputAnnotationHelp(outs());
diff --git a/llvm/utils/TableGen/CodeGenSchedule.cpp b/llvm/utils/TableGen/CodeGenSchedule.cpp
index d819016..0e81623 100644
--- a/llvm/utils/TableGen/CodeGenSchedule.cpp
+++ b/llvm/utils/TableGen/CodeGenSchedule.cpp
@@ -287,7 +287,7 @@ static APInt constructOperandMask(ArrayRef<int64_t> Indices) {
   if (Indices.empty())
     return OperandMask;
 
-  int64_t MaxIndex = *std::max_element(Indices.begin(), Indices.end());
+  int64_t MaxIndex = *llvm::max_element(Indices);
   assert(MaxIndex >= 0 && "Invalid negative indices in input!");
   OperandMask = OperandMask.zext(MaxIndex + 1);
   for (const int64_t Index : Indices) {
diff --git a/llvm/utils/TableGen/RegisterInfoEmitter.cpp b/llvm/utils/TableGen/RegisterInfoEmitter.cpp
index 8919e07..d074e31 100644
--- a/llvm/utils/TableGen/RegisterInfoEmitter.cpp
+++ b/llvm/utils/TableGen/RegisterInfoEmitter.cpp
@@ -803,8 +803,8 @@ void RegisterInfoEmitter::emitComposeSubRegIndexLaneMask(
     OS << "  // Sequence " << Idx << "\n";
     Idx += Sequence.size() + 1;
   }
-  auto *IntType = getMinimalTypeForRange(*std::max_element(
-      SubReg2SequenceIndexMap.begin(), SubReg2SequenceIndexMap.end()));
+  auto *IntType =
+      getMinimalTypeForRange(*llvm::max_element(SubReg2SequenceIndexMap));
   OS << "  };\n"
         "  static const "
      << IntType << " CompositeSequences[] = {\n";