[PATCH] D110271: [llvm-profgen] Fix an out-of-range error during unwinding

[Lei Wang via Phabricator via llvm-commits]

wlei created this revision.
Herald added subscribers: hoy, wenlei, lxfind.
wlei requested review of this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110271

Files:
  llvm/tools/llvm-profgen/PerfReader.cpp


Index: llvm/tools/llvm-profgen/PerfReader.cpp
===================================================================
--- llvm/tools/llvm-profgen/PerfReader.cpp
+++ 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


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