diff --git a/llvm/tools/llvm-profgen/PerfReader.cpp b/llvm/tools/llvm-profgen/PerfReader.cpp
--- a/llvm/tools/llvm-profgen/PerfReader.cpp
+++ b/llvm/tools/llvm-profgen/PerfReader.cpp
@@ -62,7 +62,7 @@
   } else {
     // Unwind linear execution part
     uint64_t LeafAddr = State.CurrentLeafFrame->Address;
-    while (IP.Address >= Target) {
+    while (IP.Address >= Target && && IP.Index != 0) {
       uint64_t PrevIP = IP.Address;
       IP.backward();
       // Break into segments for implicit call/return due to inlining