3 files changed, 32 insertions, 17 deletions

diff --git a/clang/lib/Driver/ToolChains/Arch/Mips.cpp b/clang/lib/Driver/ToolChains/Arch/Mips.cpp
index 8787c82..bac8681 100644
--- a/clang/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -442,6 +442,8 @@ bool mips::hasCompactBranches(StringRef &CPU) {
   return llvm::StringSwitch<bool>(CPU)
       .Case("mips32r6", true)
       .Case("mips64r6", true)
+      .Case("i6400", true)
+      .Case("i6500", true)
       .Default(false);
 }
 
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index bf75573..a7310ba 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -3755,7 +3755,8 @@ static void RenderHLSLOptions(const ArgList &Args, ArgStringList &CmdArgs,
       options::OPT_hlsl_entrypoint,
       options::OPT_fdx_rootsignature_define,
       options::OPT_fdx_rootsignature_version,
-      options::OPT_fhlsl_spv_use_unknown_image_format};
+      options::OPT_fhlsl_spv_use_unknown_image_format,
+      options::OPT_fhlsl_spv_enable_maximal_reconvergence};
   if (!types::isHLSL(InputType))
     return;
   for (const auto &Arg : ForwardedArguments)
@@ -9214,8 +9215,9 @@ void LinkerWrapper::ConstructJob(Compilation &C, const JobAction &JA,
                    options::OPT_nogpulibc)) {
     forAllAssociatedToolChains(C, JA, getToolChain(), [&](const ToolChain &TC) {
       // The device C library is only available for NVPTX and AMDGPU targets
-      // currently.
-      if (!TC.getTriple().isNVPTX() && !TC.getTriple().isAMDGPU())
+      // and we only link it by default for OpenMP currently.
+      if ((!TC.getTriple().isNVPTX() && !TC.getTriple().isAMDGPU()) ||
+          !JA.isHostOffloading(Action::OFK_OpenMP))
         return;
       bool HasLibC = TC.getStdlibIncludePath().has_value();
       if (HasLibC) {
diff --git a/clang/lib/Driver/ToolChains/HLSL.cpp b/clang/lib/Driver/ToolChains/HLSL.cpp
index 2869549..20a320e 100644
--- a/clang/lib/Driver/ToolChains/HLSL.cpp
+++ b/clang/lib/Driver/ToolChains/HLSL.cpp
@@ -191,23 +191,35 @@ void getSpirvExtOperand(StringRef SpvExtensionArg, raw_ostream &out) {
   // The extensions that are commented out are supported in DXC, but the SPIR-V
   // backend does not know about them yet.
   static const std::vector<StringRef> DxcSupportedExtensions = {
-      "SPV_KHR_16bit_storage", "SPV_KHR_device_group",
-      "SPV_KHR_fragment_shading_rate", "SPV_KHR_multiview",
-      "SPV_KHR_post_depth_coverage", "SPV_KHR_non_semantic_info",
-      "SPV_KHR_shader_draw_parameters", "SPV_KHR_ray_tracing",
-      "SPV_KHR_shader_clock", "SPV_EXT_demote_to_helper_invocation",
-      "SPV_EXT_descriptor_indexing", "SPV_EXT_fragment_fully_covered",
+      "SPV_KHR_16bit_storage",
+      "SPV_KHR_device_group",
+      "SPV_KHR_fragment_shading_rate",
+      "SPV_KHR_multiview",
+      "SPV_KHR_post_depth_coverage",
+      "SPV_KHR_non_semantic_info",
+      "SPV_KHR_shader_draw_parameters",
+      "SPV_KHR_ray_tracing",
+      "SPV_KHR_shader_clock",
+      "SPV_EXT_demote_to_helper_invocation",
+      "SPV_EXT_descriptor_indexing",
+      "SPV_EXT_fragment_fully_covered",
       "SPV_EXT_fragment_invocation_density",
-      "SPV_EXT_fragment_shader_interlock", "SPV_EXT_mesh_shader",
-      "SPV_EXT_shader_stencil_export", "SPV_EXT_shader_viewport_index_layer",
+      "SPV_EXT_fragment_shader_interlock",
+      "SPV_EXT_mesh_shader",
+      "SPV_EXT_shader_stencil_export",
+      "SPV_EXT_shader_viewport_index_layer",
       // "SPV_AMD_shader_early_and_late_fragment_tests",
-      "SPV_GOOGLE_hlsl_functionality1", "SPV_GOOGLE_user_type",
-      "SPV_KHR_ray_query", "SPV_EXT_shader_image_int64",
-      "SPV_KHR_fragment_shader_barycentric", "SPV_KHR_physical_storage_buffer",
+      "SPV_GOOGLE_hlsl_functionality1",
+      "SPV_GOOGLE_user_type",
+      "SPV_KHR_ray_query",
+      "SPV_EXT_shader_image_int64",
+      "SPV_KHR_fragment_shader_barycentric",
+      "SPV_KHR_physical_storage_buffer",
       "SPV_KHR_vulkan_memory_model",
       // "SPV_KHR_compute_shader_derivatives",
-      // "SPV_KHR_maximal_reconvergence",
-      "SPV_KHR_float_controls", "SPV_NV_shader_subgroup_partitioned",
+      "SPV_KHR_maximal_reconvergence",
+      "SPV_KHR_float_controls",
+      "SPV_NV_shader_subgroup_partitioned",
       // "SPV_KHR_quad_control"
   };
 
@@ -218,7 +230,6 @@ void getSpirvExtOperand(StringRef SpvExtensionArg, raw_ostream &out) {
 
   if (SpvExtensionArg.compare_insensitive("DXC") == 0) {
     bool first = true;
-    std::string Operand;
     for (StringRef E : DxcSupportedExtensions) {
       if (!first)
         out << ",";