Merge remote-tracking branch 'upstream/main' into gh-101657

 Conflicts:
	lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp

Author: Dhruv Srivastava

.github/copilot-instructions.md

@@ -0,0 +1,4 @@
+When performing a code review, pay close attention to code modifying a function's
+control flow. Could the change result in the corruption of performance profile
+data? Could the change result in invalid debug information, in particular for
+branches and calls?

.github/workflows/hlsl-test-all.yaml

@@ -43,13 +43,13 @@ jobs:
       - name: Checkout OffloadTest
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
-          repository: llvm-beanz/offload-test-suite
+          repository: llvm/offload-test-suite
           ref: main
           path: OffloadTest
       - name: Checkout Golden Images
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
-          repository: llvm-beanz/offload-golden-images
+          repository: llvm/offload-golden-images
           ref: main
           path: golden-images
       - name: Setup Windows

.github/workflows/libcxx-restart-preempted-jobs.yaml

@@ -32,8 +32,11 @@ jobs:
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1
         with:
           script: |
-            const failure_regex = /Process completed with exit code 1./
-            const preemption_regex = /(The runner has received a shutdown signal)|(The operation was canceled)/
+            // The "The run was canceled by" message comes from a user manually canceling a workflow
+            // the "higher priority" message comes from github canceling a workflow because the user updated the change.
+            // And the "exit code 1" message indicates a genuine failure.
+            const failure_regex = /(Process completed with exit code 1.)|(Canceling since a higher priority waiting request)|(The run was canceled by)/
+            const preemption_regex = /(The runner has received a shutdown signal)/
 
             const wf_run = context.payload.workflow_run
             core.notice(`Running on "${wf_run.display_title}" by @${wf_run.actor.login} (event: ${wf_run.event})\nWorkflow run URL: ${wf_run.html_url}`)
@@ -167,7 +170,7 @@ jobs:
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1
         with:
           script: |
-            const FAILURE_REGEX = /Process completed with exit code 1./
+            const FAILURE_REGEX = /(Process completed with exit code 1.)|(Canceling since a higher priority waiting request)|(The run was canceled by)/
             const PREEMPTION_REGEX = /(The runner has received a shutdown signal)|(The operation was canceled)/
 
             function log(msg) {

bolt/include/bolt/Core/DIEBuilder.h

@@ -20,8 +20,8 @@
 #include "llvm/CodeGen/DIE.h"
 #include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
-#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
+#include "llvm/DebugInfo/DWARF/LowLevel/DWARFExpression.h"
 #include "llvm/Support/Allocator.h"
 
 #include <list>

bolt/include/bolt/Core/MCPlusBuilder.h

@@ -1393,7 +1393,7 @@ class MCPlusBuilder {
       return getTargetSymbol(BinaryExpr->getLHS());
 
     auto *SymbolRefExpr = dyn_cast<const MCSymbolRefExpr>(Expr);
-    if (SymbolRefExpr && SymbolRefExpr->getKind() == MCSymbolRefExpr::VK_None)
+    if (SymbolRefExpr && SymbolRefExpr->getSpecifier() == 0)
       return &SymbolRefExpr->getSymbol();
 
     return nullptr;

bolt/include/bolt/Rewrite/RewriteInstance.h

@@ -202,6 +202,9 @@ class RewriteInstance {
   /// Map code sections generated by BOLT.
   void mapCodeSections(BOLTLinker::SectionMapper MapSection);
 
+  /// Map code without relocating sections.
+  void mapCodeSectionsInPlace(BOLTLinker::SectionMapper MapSection);
+
   /// Map the rest of allocatable sections.
   void mapAllocatableSections(BOLTLinker::SectionMapper MapSection);
 

bolt/lib/Core/BinaryFunction.cpp

@@ -3328,10 +3328,7 @@ void BinaryFunction::duplicateConstantIslands() {
 
         // Update instruction reference
         Operand = MCOperand::createExpr(BC.MIB->getTargetExprFor(
-            Inst,
-            MCSymbolRefExpr::create(ColdSymbol, MCSymbolRefExpr::VK_None,
-                                    *BC.Ctx),
-            *BC.Ctx, 0));
+            Inst, MCSymbolRefExpr::create(ColdSymbol, *BC.Ctx), *BC.Ctx, 0));
         ++OpNum;
       }
     }

bolt/lib/Core/CMakeLists.txt

@@ -1,5 +1,6 @@
 set(LLVM_LINK_COMPONENTS
   DebugInfoDWARF
+  DebugInfoDWARFLowLevel
   Demangle
   MC
   MCDisassembler

bolt/lib/Core/DIEBuilder.cpp

@@ -14,11 +14,11 @@
 #include "llvm/CodeGen/DIE.h"
 #include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
-#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
 #include "llvm/DebugInfo/DWARF/DWARFTypeUnit.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnitIndex.h"
+#include "llvm/DebugInfo/DWARF/LowLevel/DWARFExpression.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"

bolt/lib/Core/DebugNames.cpp

@@ -8,8 +8,8 @@
 
 #include "bolt/Core/DebugNames.h"
 #include "bolt/Core/BinaryContext.h"
-#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/DebugInfo/DWARF/DWARFTypeUnit.h"
+#include "llvm/DebugInfo/DWARF/LowLevel/DWARFExpression.h"
 #include "llvm/Support/EndianStream.h"
 #include "llvm/Support/LEB128.h"
 #include <cstdint>