diff --git a/llvm/lib/Transforms/IPO/Inliner.cpp b/llvm/lib/Transforms/IPO/Inliner.cpp
--- a/llvm/lib/Transforms/IPO/Inliner.cpp
+++ b/llvm/lib/Transforms/IPO/Inliner.cpp
@@ -99,6 +99,10 @@
         "by inlining from cgscc inline remarks."),
     cl::Hidden);
 
+static cl::opt<bool>
+    EnableRegularCGSCCInline("enable-cgscc-inline", cl::init(true), cl::Hidden,
+                             cl::desc("Enable CGSCC Inlining"));
+
 LegacyInlinerBase::LegacyInlinerBase(char &ID) : CallGraphSCCPass(ID) {}
 
 LegacyInlinerBase::LegacyInlinerBase(char &ID, bool InsertLifetime)
@@ -1006,7 +1010,8 @@
   // because it makes profile annotation in the backend inaccurate.
   if (MandatoryFirst)
     PM.addPass(InlinerPass(/*OnlyMandatory*/ true));
-  PM.addPass(InlinerPass());
+  if (EnableRegularCGSCCInline)
+    PM.addPass(InlinerPass());
 }
 
 PreservedAnalyses ModuleInlinerWrapperPass::run(Module &M,
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
@@ -177,6 +177,10 @@
              "order of call graph during sample profile loading. It only "
              "works for new pass manager. "));
 
+static cl::opt<bool> EnableSampleProfileInline(
+    "enable-sample-profile-inline", cl::Hidden, cl::init(true),
+    cl::desc("Enable Inlining from sample profile loader."));
+
 static cl::opt<bool> ProfileSizeInline(
     "sample-profile-inline-size", cl::Hidden, cl::init(false),
     cl::desc("Inline cold call sites in profile loader if it's beneficial "
@@ -1341,6 +1345,11 @@
 
 bool SampleProfileLoader::tryInlineCandidate(
     InlineCandidate &Candidate, SmallVector<CallBase *, 8> *InlinedCallSites) {
+  // Disable only the inlining part of sample profile loader, and still
+  // perform profile annotation, ICP as well as computing import GUIDs for
+  // ThinLTO's pre-link.
+  if (!EnableSampleProfileInline)
+    return false;
 
   CallBase &CB = *Candidate.CallInstr;
   Function *CalledFunction = CB.getCalledFunction();