6 files changed, 82 insertions, 6 deletions
diff --git a/bolt/include/bolt/Passes/PLTCall.h b/bolt/include/bolt/Passes/PLTCall.h
index 09ef96e..9c46f5d 100644
--- a/bolt/include/bolt/Passes/PLTCall.h
+++ b/bolt/include/bolt/Passes/PLTCall.h
@@ -26,7 +26,7 @@ public:
   explicit PLTCall(const cl::opt<bool> &PrintPass)
       : BinaryFunctionPass(PrintPass) {}
 
-  const char *getName() const override { return "PLT call optimization"; }
+  const char *getName() const override { return "plt-call-optimization"; }
   bool shouldPrint(const BinaryFunction &BF) const override {
     return BinaryFunctionPass::shouldPrint(BF);
   }
diff --git a/bolt/include/bolt/Passes/TailDuplication.h b/bolt/include/bolt/Passes/TailDuplication.h
index a2fcab0..4a7ec08 100644
--- a/bolt/include/bolt/Passes/TailDuplication.h
+++ b/bolt/include/bolt/Passes/TailDuplication.h
@@ -143,7 +143,7 @@ public:
 
   explicit TailDuplication() : BinaryFunctionPass(false) {}
 
-  const char *getName() const override { return "tail duplication"; }
+  const char *getName() const override { return "tail-duplication"; }
 
   Error runOnFunctions(BinaryContext &BC) override;
 };
diff --git a/bolt/lib/Core/CallGraph.cpp b/bolt/lib/Core/CallGraph.cpp
index f1d5273..f07add3 100644
--- a/bolt/lib/Core/CallGraph.cpp
+++ b/bolt/lib/Core/CallGraph.cpp
@@ -22,7 +22,7 @@
 #undef USE_SSECRC
 #endif
 
-static LLVM_ATTRIBUTE_UNUSED inline size_t hash_int64_fallback(int64_t k) {
+[[maybe_unused]] static inline size_t hash_int64_fallback(int64_t k) {
   uint64_t key = (unsigned long long)k;
   // "64 bit Mix Functions", from Thomas Wang's "Integer Hash Function."
   // http://www.concentric.net/~ttwang/tech/inthash.htm
@@ -35,7 +35,7 @@ static LLVM_ATTRIBUTE_UNUSED inline size_t hash_int64_fallback(int64_t k) {
   return static_cast<size_t>(static_cast<uint32_t>(key));
 }
 
-static LLVM_ATTRIBUTE_UNUSED inline size_t hash_int64(int64_t k) {
+[[maybe_unused]] static inline size_t hash_int64(int64_t k) {
 #if defined(USE_SSECRC) && defined(__SSE4_2__)
   size_t h = 0;
   __asm("crc32q %1, %0\n" : "+r"(h) : "rm"(k));
diff --git a/bolt/lib/Core/DebugData.cpp b/bolt/lib/Core/DebugData.cpp
index 24a4c85..2687788 100644
--- a/bolt/lib/Core/DebugData.cpp
+++ b/bolt/lib/Core/DebugData.cpp
@@ -101,7 +101,7 @@ std::optional<AttrInfo> findAttributeInfo(const DWARFDie DIE,
   return findAttributeInfo(DIE, AbbrevDecl, *Index);
 }
 
-LLVM_ATTRIBUTE_UNUSED
+[[maybe_unused]]
 static void printLE64(const std::string &S) {
   for (uint32_t I = 0, Size = S.size(); I < Size; ++I) {
     errs() << Twine::utohexstr(S[I]);
diff --git a/bolt/lib/Rewrite/DWARFRewriter.cpp b/bolt/lib/Rewrite/DWARFRewriter.cpp
index a7a4b66..5e3fa93 100644
--- a/bolt/lib/Rewrite/DWARFRewriter.cpp
+++ b/bolt/lib/Rewrite/DWARFRewriter.cpp
@@ -69,7 +69,7 @@ static void printDie(const DWARFDie &DIE) {
 }
 
 /// Lazily parse DWARF DIE and print it out.
-LLVM_ATTRIBUTE_UNUSED
+[[maybe_unused]]
 static void printDie(DWARFUnit &DU, uint64_t DIEOffset) {
   uint64_t OriginalOffsets = DIEOffset;
   uint64_t NextCUOffset = DU.getNextUnitOffset();
diff --git a/bolt/unittests/Core/MCPlusBuilder.cpp b/bolt/unittests/Core/MCPlusBuilder.cpp
index af4cc9d..bc37ced 100644
--- a/bolt/unittests/Core/MCPlusBuilder.cpp
+++ b/bolt/unittests/Core/MCPlusBuilder.cpp
@@ -261,6 +261,82 @@ TEST_P(MCPlusBuilderTester, testAccessedRegsMultipleDefs) {
                 {AArch64::W5, AArch64::X5, AArch64::W5_HI});
 }
 
+TEST_P(MCPlusBuilderTester, AArch64_Psign_Pauth_variants) {
+  if (GetParam() != Triple::aarch64)
+    GTEST_SKIP();
+
+  MCInst Paciasp = MCInstBuilder(AArch64::PACIASP);
+  MCInst Pacibsp = MCInstBuilder(AArch64::PACIBSP);
+  ASSERT_TRUE(BC->MIB->isPSignOnLR(Paciasp));
+  ASSERT_TRUE(BC->MIB->isPSignOnLR(Pacibsp));
+
+  MCInst PaciaSPLR =
+      MCInstBuilder(AArch64::PACIA).addReg(AArch64::LR).addReg(AArch64::SP);
+  MCInst PacibSPLR =
+      MCInstBuilder(AArch64::PACIB).addReg(AArch64::LR).addReg(AArch64::SP);
+  ASSERT_TRUE(BC->MIB->isPSignOnLR(PaciaSPLR));
+  ASSERT_TRUE(BC->MIB->isPSignOnLR(PacibSPLR));
+
+  MCInst PacizaX5 = MCInstBuilder(AArch64::PACIZA).addReg(AArch64::X5);
+  MCInst PacizbX5 = MCInstBuilder(AArch64::PACIZB).addReg(AArch64::X5);
+  ASSERT_FALSE(BC->MIB->isPSignOnLR(PacizaX5));
+  ASSERT_FALSE(BC->MIB->isPSignOnLR(PacizbX5));
+
+  MCInst Paciaz = MCInstBuilder(AArch64::PACIZA).addReg(AArch64::LR);
+  MCInst Pacibz = MCInstBuilder(AArch64::PACIZB).addReg(AArch64::LR);
+  ASSERT_TRUE(BC->MIB->isPSignOnLR(Paciaz));
+  ASSERT_TRUE(BC->MIB->isPSignOnLR(Pacibz));
+
+  MCInst Pacia1716 = MCInstBuilder(AArch64::PACIA1716);
+  MCInst Pacib1716 = MCInstBuilder(AArch64::PACIB1716);
+  ASSERT_FALSE(BC->MIB->isPSignOnLR(Pacia1716));
+  ASSERT_FALSE(BC->MIB->isPSignOnLR(Pacib1716));
+
+  MCInst Pacia171615 = MCInstBuilder(AArch64::PACIA171615);
+  MCInst Pacib171615 = MCInstBuilder(AArch64::PACIB171615);
+  ASSERT_FALSE(BC->MIB->isPSignOnLR(Pacia171615));
+  ASSERT_FALSE(BC->MIB->isPSignOnLR(Pacib171615));
+
+  MCInst Autiasp = MCInstBuilder(AArch64::AUTIASP);
+  MCInst Autibsp = MCInstBuilder(AArch64::AUTIBSP);
+  ASSERT_TRUE(BC->MIB->isPAuthOnLR(Autiasp));
+  ASSERT_TRUE(BC->MIB->isPAuthOnLR(Autibsp));
+
+  MCInst AutiaSPLR =
+      MCInstBuilder(AArch64::AUTIA).addReg(AArch64::LR).addReg(AArch64::SP);
+  MCInst AutibSPLR =
+      MCInstBuilder(AArch64::AUTIB).addReg(AArch64::LR).addReg(AArch64::SP);
+  ASSERT_TRUE(BC->MIB->isPAuthOnLR(AutiaSPLR));
+  ASSERT_TRUE(BC->MIB->isPAuthOnLR(AutibSPLR));
+
+  MCInst AutizaX5 = MCInstBuilder(AArch64::AUTIZA).addReg(AArch64::X5);
+  MCInst AutizbX5 = MCInstBuilder(AArch64::AUTIZB).addReg(AArch64::X5);
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(AutizaX5));
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(AutizbX5));
+
+  MCInst Autiaz = MCInstBuilder(AArch64::AUTIZA).addReg(AArch64::LR);
+  MCInst Autibz = MCInstBuilder(AArch64::AUTIZB).addReg(AArch64::LR);
+  ASSERT_TRUE(BC->MIB->isPAuthOnLR(Autiaz));
+  ASSERT_TRUE(BC->MIB->isPAuthOnLR(Autibz));
+
+  MCInst Autia1716 = MCInstBuilder(AArch64::AUTIA1716);
+  MCInst Autib1716 = MCInstBuilder(AArch64::AUTIB1716);
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(Autia1716));
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(Autib1716));
+
+  MCInst Autia171615 = MCInstBuilder(AArch64::AUTIA171615);
+  MCInst Autib171615 = MCInstBuilder(AArch64::AUTIB171615);
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(Autia171615));
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(Autib171615));
+
+  MCInst Retaa = MCInstBuilder(AArch64::RETAA);
+  MCInst Retab = MCInstBuilder(AArch64::RETAB);
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(Retaa));
+  ASSERT_FALSE(BC->MIB->isPAuthOnLR(Retab));
+  ASSERT_TRUE(BC->MIB->isPAuthAndRet(Retaa));
+  ASSERT_TRUE(BC->MIB->isPAuthAndRet(Retab));
+}
+
 #endif // AARCH64_AVAILABLE
 
 #ifdef X86_AVAILABLE