Merge commit 'fa627d98e87504b6f6d621a7dab5d140340ed760^' into users/meinersbur/flang_runtime_split-headers

Author: Meinersbur

.github/new-prs-labeler.yml

@@ -1008,3 +1008,8 @@ bazel:
 
 offload:
   - offload/**
+
+tablegen:
+  - llvm/include/TableGen/**
+  - llvm/lib/TableGen/**
+  - llvm/utils/TableGen/**

.github/workflows/commit-access-review.py

@@ -358,11 +358,10 @@ def main():
     gh = github.Github(login_or_token=token)
     org = gh.get_organization("llvm")
     repo = org.get_repo("llvm-project")
-    team = org.get_team_by_slug("llvm-committers")
     one_year_ago = datetime.datetime.now() - datetime.timedelta(days=365)
     triage_list = {}
-    for member in team.get_members():
-        triage_list[member.login] = User(member.login, triage_list)
+    for collaborator in repo.get_collaborators(permission="push"):
+        triage_list[collaborator.login] = User(collaborator.login, triage_list)
 
     print("Start:", len(triage_list), "triagers")
     # Step 0 Check if users have requested commit access in the last year.

bolt/include/bolt/Core/BinaryBasicBlock.h

@@ -19,6 +19,7 @@
 #include "bolt/Core/MCPlus.h"
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/ErrorOr.h"

bolt/include/bolt/Core/BinaryContext.h

@@ -71,14 +71,15 @@ struct SegmentInfo {
   uint64_t FileOffset;        /// Offset in the file.
   uint64_t FileSize;          /// Size in file.
   uint64_t Alignment;         /// Alignment of the segment.
+  bool IsExecutable;          /// Is the executable bit set on the Segment?
 
   void print(raw_ostream &OS) const {
-    OS << "SegmentInfo { Address: 0x"
-       << Twine::utohexstr(Address) << ", Size: 0x"
-       << Twine::utohexstr(Size) << ", FileOffset: 0x"
+    OS << "SegmentInfo { Address: 0x" << Twine::utohexstr(Address)
+       << ", Size: 0x" << Twine::utohexstr(Size) << ", FileOffset: 0x"
        << Twine::utohexstr(FileOffset) << ", FileSize: 0x"
        << Twine::utohexstr(FileSize) << ", Alignment: 0x"
-       << Twine::utohexstr(Alignment) << "}";
+       << Twine::utohexstr(Alignment) << ", " << (IsExecutable ? "x" : " ")
+       << "}";
   };
 };
 

bolt/include/bolt/Core/BinaryData.h

@@ -226,7 +226,6 @@ inline raw_ostream &operator<<(raw_ostream &OS,
     Sep = ",\n        ";
     TotalCount += AccessInfo.Count;
   }
-  SS.flush();
 
   OS << TotalCount << " total counts : " << TempString;
   return OS;

bolt/include/bolt/Core/BinaryFunction.h

@@ -117,7 +117,6 @@ inline raw_ostream &operator<<(raw_ostream &OS,
     TotalCount += CSP.Count;
     TotalMispreds += CSP.Mispreds;
   }
-  SS.flush();
 
   OS << TotalCount << " (" << TotalMispreds << " misses) :" << TempString;
   return OS;

bolt/include/bolt/Rewrite/RewriteInstance.h

@@ -510,12 +510,11 @@ class RewriteInstance {
   };
 
   /// Different types of X86-64 PLT sections.
-  const PLTSectionInfo X86_64_PLTSections[4] = {
-      { ".plt", 16 },
-      { ".plt.got", 8 },
-      { ".plt.sec", 8 },
-      { nullptr, 0 }
-  };
+  const PLTSectionInfo X86_64_PLTSections[5] = {{".plt", 16},
+                                                {".plt.got", 8},
+                                                {".plt.sec", 8},
+                                                {".iplt", 16},
+                                                {nullptr, 0}};
 
   /// AArch64 PLT sections.
   const PLTSectionInfo AArch64_PLTSections[4] = {

bolt/lib/Core/BinaryContext.cpp

@@ -2021,6 +2021,9 @@ BinaryContext::getBaseAddressForMapping(uint64_t MMapAddress,
   // Find a segment with a matching file offset.
   for (auto &KV : SegmentMapInfo) {
     const SegmentInfo &SegInfo = KV.second;
+    // Only consider executable segments.
+    if (!SegInfo.IsExecutable)
+      continue;
     // FileOffset is got from perf event,
     // and it is equal to alignDown(SegInfo.FileOffset, pagesize).
     // If the pagesize is not equal to SegInfo.Alignment.

bolt/lib/Passes/RetpolineInsertion.cpp

@@ -181,7 +181,6 @@ std::string createRetpolineFunctionTag(BinaryContext &BC,
   if (BrInfo.isReg()) {
     BC.InstPrinter->printRegName(TagOS, BrInfo.BranchReg);
     TagOS << "_";
-    TagOS.flush();
     return Tag;
   }
 
@@ -212,7 +211,6 @@ std::string createRetpolineFunctionTag(BinaryContext &BC,
     BC.InstPrinter->printRegName(TagOS, MemRef.SegRegNum);
   }
 
-  TagOS.flush();
   return Tag;
 }
 

bolt/lib/Profile/DataAggregator.cpp

@@ -2043,7 +2043,8 @@ std::error_code DataAggregator::parseMMapEvents() {
             // size of the mapping, but we know it should not exceed the segment
             // alignment value. Hence we are performing an approximate check.
             return SegInfo.Address >= MMapInfo.MMapAddress &&
-                   SegInfo.Address - MMapInfo.MMapAddress < SegInfo.Alignment;
+                   SegInfo.Address - MMapInfo.MMapAddress < SegInfo.Alignment &&
+                   SegInfo.IsExecutable;
           });
       if (!MatchFound) {
         errs() << "PERF2BOLT-WARNING: ignoring mapping of " << NameToUse