16 files changed, 123 insertions, 73 deletions
diff --git a/lib/Driver/ToolChains/Arch/AArch64.cpp b/lib/Driver/ToolChains/Arch/AArch64.cpp
index 71e55fe79e..35d11f4e2d 100644
--- a/lib/Driver/ToolChains/Arch/AArch64.cpp
+++ b/lib/Driver/ToolChains/Arch/AArch64.cpp
@@ -1,9 +1,8 @@
 //===--- AArch64.cpp - AArch64 (not ARM) Helpers for Tools ------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -195,6 +194,18 @@ void aarch64::getAArch64TargetFeatures(const Driver &D,
     Features.push_back("-neon");
   }
 
+  if (Arg *A = Args.getLastArg(options::OPT_mtp_mode_EQ)) {
+    StringRef Mtp = A->getValue();
+    if (Mtp == "el3")
+      Features.push_back("+tpidr-el3");
+    else if (Mtp == "el2")
+      Features.push_back("+tpidr-el2");
+    else if (Mtp == "el1")
+      Features.push_back("+tpidr-el1");
+    else if (Mtp != "el0")
+      D.Diag(diag::err_drv_invalid_mtp) << A->getAsString(Args);
+  }
+
   // En/disable crc
   if (Arg *A = Args.getLastArg(options::OPT_mcrc, options::OPT_mnocrc)) {
     if (A->getOption().matches(options::OPT_mcrc))
@@ -208,7 +219,7 @@ void aarch64::getAArch64TargetFeatures(const Driver &D,
   // TargetParser rewrite.
   const auto ItRNoFullFP16 = std::find(Features.rbegin(), Features.rend(), "-fullfp16");
   const auto ItRFP16FML = std::find(Features.rbegin(), Features.rend(), "+fp16fml");
-  if (std::find(Features.begin(), Features.end(), "+v8.4a") != Features.end()) {
+  if (llvm::is_contained(Features, "+v8.4a")) {
     const auto ItRFullFP16  = std::find(Features.rbegin(), Features.rend(), "+fullfp16");
     if (ItRFullFP16 < ItRNoFullFP16 && ItRFullFP16 < ItRFP16FML) {
       // Only entangled feature that can be to the right of this +fullfp16 is -fp16fml.
@@ -218,8 +229,7 @@ void aarch64::getAArch64TargetFeatures(const Driver &D,
     }
     else
       goto fp16_fml_fallthrough;
-  }
-  else {
+  } else {
 fp16_fml_fallthrough:
     // In both of these cases, putting the 'other' feature on the end of the vector will
     // result in the same effect as placing it immediately after the current feature.
@@ -336,12 +346,57 @@ fp16_fml_fallthrough:
   if (Args.hasArg(options::OPT_ffixed_x7))
     Features.push_back("+reserve-x7");
 
+  if (Args.hasArg(options::OPT_ffixed_x9))
+    Features.push_back("+reserve-x9");
+
+  if (Args.hasArg(options::OPT_ffixed_x10))
+    Features.push_back("+reserve-x10");
+
+  if (Args.hasArg(options::OPT_ffixed_x11))
+    Features.push_back("+reserve-x11");
+
+  if (Args.hasArg(options::OPT_ffixed_x12))
+    Features.push_back("+reserve-x12");
+
+  if (Args.hasArg(options::OPT_ffixed_x13))
+    Features.push_back("+reserve-x13");
+
+  if (Args.hasArg(options::OPT_ffixed_x14))
+    Features.push_back("+reserve-x14");
+
+  if (Args.hasArg(options::OPT_ffixed_x15))
+    Features.push_back("+reserve-x15");
+
   if (Args.hasArg(options::OPT_ffixed_x18))
     Features.push_back("+reserve-x18");
 
   if (Args.hasArg(options::OPT_ffixed_x20))
     Features.push_back("+reserve-x20");
 
+  if (Args.hasArg(options::OPT_ffixed_x21))
+    Features.push_back("+reserve-x21");
+
+  if (Args.hasArg(options::OPT_ffixed_x22))
+    Features.push_back("+reserve-x22");
+
+  if (Args.hasArg(options::OPT_ffixed_x23))
+    Features.push_back("+reserve-x23");
+
+  if (Args.hasArg(options::OPT_ffixed_x24))
+    Features.push_back("+reserve-x24");
+
+  if (Args.hasArg(options::OPT_ffixed_x25))
+    Features.push_back("+reserve-x25");
+
+  if (Args.hasArg(options::OPT_ffixed_x26))
+    Features.push_back("+reserve-x26");
+
+  if (Args.hasArg(options::OPT_ffixed_x27))
+    Features.push_back("+reserve-x27");
+
+  if (Args.hasArg(options::OPT_ffixed_x28))
+    Features.push_back("+reserve-x28");
+
   if (Args.hasArg(options::OPT_fcall_saved_x8))
     Features.push_back("+call-saved-x8");
 
diff --git a/lib/Driver/ToolChains/Arch/AArch64.h b/lib/Driver/ToolChains/Arch/AArch64.h
index 5f6148ebd6..713af870d6 100644
--- a/lib/Driver/ToolChains/Arch/AArch64.h
+++ b/lib/Driver/ToolChains/Arch/AArch64.h
@@ -1,9 +1,8 @@
 //===--- AArch64.h - AArch64-specific (not ARM) Tool Helpers ----*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/ARM.cpp b/lib/Driver/ToolChains/Arch/ARM.cpp
index f55efc1a22..81aba54710 100644
--- a/lib/Driver/ToolChains/Arch/ARM.cpp
+++ b/lib/Driver/ToolChains/Arch/ARM.cpp
@@ -1,9 +1,8 @@
 //===--- ARM.cpp - ARM (not AArch64) Helpers for Tools ----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -249,7 +248,7 @@ arm::FloatABI arm::getARMFloatABI(const ToolChain &TC, const ArgList &Args) {
         ABI = FloatABI::SoftFP;
         break;
       case llvm::Triple::Android:
-        ABI = (SubArch == 7) ? FloatABI::SoftFP : FloatABI::Soft;
+        ABI = (SubArch >= 7) ? FloatABI::SoftFP : FloatABI::Soft;
         break;
       default:
         // Assume "soft", but warn the user we are guessing.
@@ -379,9 +378,7 @@ void arm::getARMTargetFeatures(const ToolChain &TC,
   } else if (FPUArg) {
     getARMFPUFeatures(D, FPUArg, Args, FPUArg->getValue(), Features);
   } else if (Triple.isAndroid() && getARMSubArchVersionNumber(Triple) >= 7) {
-    // Android mandates minimum FPU requirements based on OS version.
-    const char *AndroidFPU =
-        Triple.isAndroidVersionLT(23) ? "vfpv3-d16" : "neon";
+    const char *AndroidFPU = "neon";
     if (!llvm::ARM::getFPUFeatures(llvm::ARM::parseFPU(AndroidFPU), Features))
       D.Diag(clang::diag::err_drv_clang_unsupported)
           << std::string("-mfpu=") + AndroidFPU;
diff --git a/lib/Driver/ToolChains/Arch/ARM.h b/lib/Driver/ToolChains/Arch/ARM.h
index 9f0dc4ea2e..0b3ad4d413 100644
--- a/lib/Driver/ToolChains/Arch/ARM.h
+++ b/lib/Driver/ToolChains/Arch/ARM.h
@@ -1,9 +1,8 @@
 //===--- ARM.h - ARM-specific (not AArch64) Tool Helpers --------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/Mips.cpp b/lib/Driver/ToolChains/Arch/Mips.cpp
index e10a5e1c77..d506796a36 100644
--- a/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -1,9 +1,8 @@
 //===--- Mips.cpp - Tools Implementations -----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/Mips.h b/lib/Driver/ToolChains/Arch/Mips.h
index a232ddbc8f..23e0cf79e1 100644
--- a/lib/Driver/ToolChains/Arch/Mips.h
+++ b/lib/Driver/ToolChains/Arch/Mips.h
@@ -1,9 +1,8 @@
 //===--- Mips.h - Mips-specific Tool Helpers ----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/PPC.cpp b/lib/Driver/ToolChains/Arch/PPC.cpp
index 791f1206cf..f0a3271564 100644
--- a/lib/Driver/ToolChains/Arch/PPC.cpp
+++ b/lib/Driver/ToolChains/Arch/PPC.cpp
@@ -1,9 +1,8 @@
 //===--- PPC.cpp - PPC Helpers for Tools ------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -116,7 +115,7 @@ ppc::ReadGOTPtrMode ppc::getPPCReadGOTPtrMode(const Driver &D, const llvm::Tripl
                                               const ArgList &Args) {
   if (Args.getLastArg(options::OPT_msecure_plt))
     return ppc::ReadGOTPtrMode::SecurePlt;
-  if (Triple.isOSOpenBSD())
+  if (Triple.isOSNetBSD() || Triple.isOSOpenBSD())
     return ppc::ReadGOTPtrMode::SecurePlt;
   else
     return ppc::ReadGOTPtrMode::Bss;
diff --git a/lib/Driver/ToolChains/Arch/PPC.h b/lib/Driver/ToolChains/Arch/PPC.h
index 4f3cd688ca..e1c943955e 100644
--- a/lib/Driver/ToolChains/Arch/PPC.h
+++ b/lib/Driver/ToolChains/Arch/PPC.h
@@ -1,9 +1,8 @@
 //===--- PPC.h - PPC-specific Tool Helpers ----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/RISCV.cpp b/lib/Driver/ToolChains/Arch/RISCV.cpp
index 1321fedcec..b5cee381e1 100644
--- a/lib/Driver/ToolChains/Arch/RISCV.cpp
+++ b/lib/Driver/ToolChains/Arch/RISCV.cpp
@@ -1,9 +1,8 @@
 //===--- RISCV.cpp - RISCV Helpers for Tools --------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -171,7 +170,7 @@ static void getExtensionFeatures(const Driver &D,
     }
 
     // Check if duplicated extension.
-    if (std::find(AllExts.begin(), AllExts.end(), Ext) != AllExts.end()) {
+    if (llvm::is_contained(AllExts, Ext)) {
       std::string Error = "duplicated ";
       Error += Desc;
       D.Diag(diag::err_drv_invalid_riscv_ext_arch_name)
@@ -365,6 +364,18 @@ void riscv::getRISCVTargetFeatures(const Driver &D, const ArgList &Args,
     getExtensionFeatures(D, Args, Features, MArch, OtherExts);
   }
 
+  // -mrelax is default, unless -mno-relax is specified.
+  bool Relax = true;
+  if (auto *A = Args.getLastArg(options::OPT_mrelax, options::OPT_mno_relax)) {
+    if (A->getOption().matches(options::OPT_mno_relax)) {
+      Relax = false;
+      Features.push_back("-relax");
+    }
+  }
+
+  if (Relax)
+    Features.push_back("+relax");
+
   // Now add any that the user explicitly requested on the command line,
   // which may override the defaults.
   handleTargetFeaturesGroup(Args, Features, options::OPT_m_riscv_Features_Group);
diff --git a/lib/Driver/ToolChains/Arch/RISCV.h b/lib/Driver/ToolChains/Arch/RISCV.h
index beda14979f..443526900a 100644
--- a/lib/Driver/ToolChains/Arch/RISCV.h
+++ b/lib/Driver/ToolChains/Arch/RISCV.h
@@ -1,9 +1,8 @@
 //===--- RISCV.h - RISCV-specific Tool Helpers ------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/Sparc.cpp b/lib/Driver/ToolChains/Arch/Sparc.cpp
index c177031b9f..043b7f257c 100644
--- a/lib/Driver/ToolChains/Arch/Sparc.cpp
+++ b/lib/Driver/ToolChains/Arch/Sparc.cpp
@@ -1,9 +1,8 @@
 //===--- Sparc.cpp - Tools Implementations ----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/Sparc.h b/lib/Driver/ToolChains/Arch/Sparc.h
index 082b2808a9..d12a9a70e2 100644
--- a/lib/Driver/ToolChains/Arch/Sparc.h
+++ b/lib/Driver/ToolChains/Arch/Sparc.h
@@ -1,9 +1,8 @@
 //===--- Sparc.h - Sparc-specific Tool Helpers ----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/SystemZ.cpp b/lib/Driver/ToolChains/Arch/SystemZ.cpp
index 6ee724d008..ca60b85cf8 100644
--- a/lib/Driver/ToolChains/Arch/SystemZ.cpp
+++ b/lib/Driver/ToolChains/Arch/SystemZ.cpp
@@ -1,9 +1,8 @@
 //===--- SystemZ.cpp - SystemZ Helpers for Tools ----------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/SystemZ.h b/lib/Driver/ToolChains/Arch/SystemZ.h
index 521f8c2aad..11d77fa01c 100644
--- a/lib/Driver/ToolChains/Arch/SystemZ.h
+++ b/lib/Driver/ToolChains/Arch/SystemZ.h
@@ -1,9 +1,8 @@
 //===--- SystemZ.h - SystemZ-specific Tool Helpers --------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/X86.cpp b/lib/Driver/ToolChains/Arch/X86.cpp
index 45648945d5..a6606fd078 100644
--- a/lib/Driver/ToolChains/Arch/X86.cpp
+++ b/lib/Driver/ToolChains/Arch/X86.cpp
@@ -1,9 +1,8 @@
 //===--- X86.cpp - X86 Helpers for Tools ------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Driver/ToolChains/Arch/X86.h b/lib/Driver/ToolChains/Arch/X86.h
index 20bf27a2b6..9f9c2b8c4b 100644
--- a/lib/Driver/ToolChains/Arch/X86.h
+++ b/lib/Driver/ToolChains/Arch/X86.h
@@ -1,9 +1,8 @@
 //===--- X86.h - X86-specific Tool Helpers ----------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//