1 files changed, 6 insertions, 1 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp b/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp
index 35a830f416f6..9e6f1a537de3 100644
--- a/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp
+++ b/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp
@@ -20,6 +20,8 @@
 
 using namespace llvm;
 
+PseudoProbeHandler::~PseudoProbeHandler() = default;
+
 void PseudoProbeHandler::emitPseudoProbe(uint64_t Guid, uint64_t Index,
                                          uint64_t Type, uint64_t Attr,
                                          const DILocation *DebugLoc) {
@@ -35,7 +37,10 @@ void PseudoProbeHandler::emitPseudoProbe(uint64_t Guid, uint64_t Index,
     auto Name = SP->getLinkageName();
     if (Name.empty())
       Name = SP->getName();
-    uint64_t CallerGuid = Function::getGUID(Name);
+    // Use caching to avoid redundant md5 computation for build speed.
+    uint64_t &CallerGuid = NameGuidMap[Name];
+    if (!CallerGuid)
+      CallerGuid = Function::getGUID(Name);
     uint64_t CallerProbeId = PseudoProbeDwarfDiscriminator::extractProbeIndex(
         InlinedAt->getDiscriminator());
     ReversedInlineStack.emplace_back(CallerGuid, CallerProbeId);