diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 9b6f125..4be016e 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-23ed570af1cc165afea1b70a533a4a39d6656501
+4d11daa659a1833a85863ea920174da4d052a8ba
 
diff --git a/lib/Dialect/mhlo/IR/hlo_ops.cc b/lib/Dialect/mhlo/IR/hlo_ops.cc
index fe5198e..edc0ab2 100644
--- a/lib/Dialect/mhlo/IR/hlo_ops.cc
+++ b/lib/Dialect/mhlo/IR/hlo_ops.cc
@@ -2887,15 +2887,22 @@ namespace mhlo {
 namespace {
 struct HLOInlinerInterface : public DialectInlinerInterface {
   using DialectInlinerInterface::DialectInlinerInterface;
+
+  // Allow all call operations to be inlined.
+  bool isLegalToInline(Operation* call, Operation* callable,
+                       bool wouldBeCloned) const final {
+    return true;
+  }
   // We don't have any special restrictions on what can be inlined into
   // destination regions (e.g. while/conditional bodies). Always allow it.
-  bool isLegalToInline(Region* dest, Region* src,
+  bool isLegalToInline(Region* dest, Region* src, bool wouldBeCloned,
                        BlockAndValueMapping& valueMapping) const final {
     return true;
   }
   // Operations in mhlo dialect are always legal to inline since they are
   // pure.
-  bool isLegalToInline(Operation*, Region*, BlockAndValueMapping&) const final {
+  bool isLegalToInline(Operation*, Region*, bool,
+                       BlockAndValueMapping&) const final {
     return true;
   }
 };