Merge llvm-project main llvmorg-14-init-10186-gff7f2cfa959b

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-10186-gff7f2cfa959b.

PR:		261742
MFC after:	2 weeks

1 files changed, 33 insertions, 6 deletions

diff --git a/contrib/llvm-project/llvm/tools/llc/llc.cpp b/contrib/llvm-project/llvm/tools/llc/llc.cpp
index 6a1e2bae2096..9d80f062c8f9 100644
--- a/contrib/llvm-project/llvm/tools/llc/llc.cpp
+++ b/contrib/llvm-project/llvm/tools/llc/llc.cpp
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/CodeGen/CommandFlags.h"
@@ -36,6 +37,7 @@
 #include "llvm/IRReader/IRReader.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/MC/SubtargetFeature.h"
+#include "llvm/MC/TargetRegistry.h"
 #include "llvm/Pass.h"
 #include "llvm/Remarks/HotnessThresholdParser.h"
 #include "llvm/Support/CommandLine.h"
@@ -47,8 +49,8 @@
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/PluginLoader.h"
 #include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/TimeProfiler.h"
 #include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Support/WithColor.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
@@ -82,6 +84,19 @@ TimeCompilations("time-compilations", cl::Hidden, cl::init(1u),
                  cl::value_desc("N"),
                  cl::desc("Repeat compilation N times for timing"));
 
+static cl::opt<bool> TimeTrace("time-trace", cl::desc("Record time trace"));
+
+static cl::opt<unsigned> TimeTraceGranularity(
+    "time-trace-granularity",
+    cl::desc(
+        "Minimum time granularity (in microseconds) traced by time profiler"),
+    cl::init(500), cl::Hidden);
+
+static cl::opt<std::string>
+    TimeTraceFile("time-trace-file",
+                  cl::desc("Specify time trace file destination"),
+                  cl::value_desc("filename"));
+
 static cl::opt<std::string>
     BinutilsVersion("binutils-version", cl::Hidden,
                     cl::desc("Produced object files can use all ELF features "
@@ -201,8 +216,7 @@ static cl::opt<RunPassOption, true, cl::parser<std::string>> RunPass(
 
 static int compileModule(char **, LLVMContext &);
 
-LLVM_ATTRIBUTE_NORETURN static void reportError(Twine Msg,
-                                                StringRef Filename = "") {
+[[noreturn]] static void reportError(Twine Msg, StringRef Filename = "") {
   SmallString<256> Prefix;
   if (!Filename.empty()) {
     if (Filename == "-")
@@ -213,7 +227,7 @@ LLVM_ATTRIBUTE_NORETURN static void reportError(Twine Msg,
   exit(1);
 }
 
-LLVM_ATTRIBUTE_NORETURN static void reportError(Error Err, StringRef Filename) {
+[[noreturn]] static void reportError(Error Err, StringRef Filename) {
   assert(Err);
   handleAllErrors(createFileError(Filename, std::move(Err)),
                   [&](const ErrorInfoBase &EI) { reportError(EI.message()); });
@@ -330,8 +344,6 @@ int main(int argc, char **argv) {
   // Enable debug stream buffering.
   EnableDebugBuffering = true;
 
-  LLVMContext Context;
-
   // Initialize targets first, so that --version shows registered targets.
   InitializeAllTargets();
   InitializeAllTargetMCs();
@@ -366,6 +378,21 @@ int main(int argc, char **argv) {
 
   cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
 
+  if (TimeTrace)
+    timeTraceProfilerInitialize(TimeTraceGranularity, argv[0]);
+  auto TimeTraceScopeExit = make_scope_exit([]() {
+    if (TimeTrace) {
+      if (auto E = timeTraceProfilerWrite(TimeTraceFile, OutputFilename)) {
+        handleAllErrors(std::move(E), [&](const StringError &SE) {
+          errs() << SE.getMessage() << "\n";
+        });
+        return;
+      }
+      timeTraceProfilerCleanup();
+    }
+  });
+
+  LLVMContext Context;
   Context.setDiscardValueNames(DiscardValueNames);
 
   // Set a diagnostic handler that doesn't exit on the first error