diff --git a/llvm/lib/Bitstream/Reader/BitstreamReader.cpp b/llvm/lib/Bitstream/Reader/BitstreamReader.cpp
--- a/llvm/lib/Bitstream/Reader/BitstreamReader.cpp
+++ b/llvm/lib/Bitstream/Reader/BitstreamReader.cpp
@@ -98,7 +98,7 @@
     Expected<uint32_t> MaybeVBR = ReadVBR(6);
     if (!MaybeVBR)
       return MaybeVBR.get();
-    unsigned NumElts = MaybeVBR.get();
+    unsigned NumElts = MaybeVBR.takeError();
     for (unsigned i = 0; i != NumElts; ++i)
       if (Expected<uint64_t> Res = ReadVBR64(6))
         ; // Skip!
diff --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp
--- a/llvm/lib/Transforms/IPO/SampleProfile.cpp
+++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp
@@ -183,6 +183,11 @@
     cl::desc("Inline cold call sites in profile loader if it's beneficial "
              "for code size."));
 
+static cl::opt<bool> ProfileInlineFunctions(
+    "sample-profile-inline-functions", cl::Hidden, cl::init(true),
+    cl::desc("If false, inliner is turned off in profile loader. Used for "
+             "debugging or evaluation."));
+
 cl::opt<int> ProfileInlineGrowthLimit(
     "sample-profile-inline-growth-limit", cl::Hidden, cl::init(12),
     cl::desc("The size growth ratio limit for proirity-based sample profile "
@@ -1111,6 +1116,8 @@
 /// \returns True if there is any inline happened.
 bool SampleProfileLoader::inlineHotFunctions(
     Function &F, DenseSet<GlobalValue::GUID> &InlinedGUIDs) {
+  if (!ProfileInlineFunctions)
+    return;
   // ProfAccForSymsInList is used in callsiteIsHot. The assertion makes sure
   // Profile symbol list is ignored when profile-sample-accurate is on.
   assert((!ProfAccForSymsInList ||