Added patches for llvm-rom from gentoo tree

10 files changed, 535 insertions, 0 deletions

diff --git a/sys-devel/llvm-roc/files/llvm-roc-3.0.0-add_libraries.patch b/sys-devel/llvm-roc/files/llvm-roc-3.0.0-add_libraries.patch
new file mode 100644
index 0000000..120ab81
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-3.0.0-add_libraries.patch
@@ -0,0 +1,20 @@
+diff -Naur a/clang/lib/Basic/CMakeLists.txt b/clang/lib/Basic/CMakeLists.txt
+--- a/clang/lib/Basic/CMakeLists.txt	2019-12-28 07:42:49.119055933 +0100
++++ b/clang/lib/Basic/CMakeLists.txt	2019-12-28 07:42:13.265056070 +0100
+@@ -2,6 +2,7 @@
+   Core
+   MC
+   Support
++  Option
+   )
+ 
+ find_first_existing_vc_file("${LLVM_MAIN_SRC_DIR}" llvm_vc)
+diff -Naur a/clang/lib/Driver/CMakeLists.txt b/clang/lib/Driver/CMakeLists.txt
+--- a/clang/lib/Driver/CMakeLists.txt	2019-12-28 07:41:39.521056199 +0100
++++ b/clang/lib/Driver/CMakeLists.txt	2019-12-28 07:40:23.998056487 +0100
+@@ -79,4 +79,5 @@
+   LINK_LIBS
+   clangBasic
+   ${system_libs}
++  pthread
+   )
diff --git a/sys-devel/llvm-roc/files/llvm-roc-3.7.0-current_pos.patch b/sys-devel/llvm-roc/files/llvm-roc-3.7.0-current_pos.patch
new file mode 100644
index 0000000..a0d3c1d
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-3.7.0-current_pos.patch
@@ -0,0 +1,32 @@
+https://bugs.llvm.org/show_bug.cgi?id=43235
+
+diff --git a/llvm/include/llvm/Support/raw_ostream.h b/llvm/include/llvm/Support/raw_ostream.h
+index 705f1790b1d..a0314b2c46a 100644
+--- a/include/llvm/Support/raw_ostream.h
++++ b/include/llvm/Support/raw_ostream.h
+@@ -507,9 +507,7 @@ class raw_string_ostream : public raw_ostream {
+   /// See raw_ostream::write_impl.
+   void write_impl(const char *Ptr, size_t Size) override;
+ 
+-  /// Return the current position within the stream, not counting the bytes
+-  /// currently in the buffer.
+-  uint64_t current_pos() const override { return OS.size(); }
++  uint64_t current_pos() const override;
+ 
+ public:
+   explicit raw_string_ostream(std::string &O) : OS(O) {}
+diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
+index 4bb315f824a..742e2aced39 100644
+--- a/lib/Support/raw_ostream.cpp
++++ b/lib/Support/raw_ostream.cpp
+@@ -895,6 +895,10 @@ raw_ostream &llvm::nulls() {
+ //  raw_string_ostream
+ //===----------------------------------------------------------------------===//
+ 
++/// Return the current position within the stream, not counting the bytes
++/// currently in the buffer.
++uint64_t raw_string_ostream::current_pos() const { return OS.size(); }
++
+ raw_string_ostream::~raw_string_ostream() {
+   flush();
+ }
diff --git a/sys-devel/llvm-roc/files/llvm-roc-3.9.0-tensorflow.patch b/sys-devel/llvm-roc/files/llvm-roc-3.9.0-tensorflow.patch
new file mode 100644
index 0000000..3e11244
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-3.9.0-tensorflow.patch
@@ -0,0 +1,35 @@
+--- llvm-project-rocm-3.9.0.orig/CMakeLists.txt	2020-11-12 22:03:09.902293395 +0100
++++ llvm-project-rocm-3.9.0/CMakeLists.txt	2020-11-12 22:07:28.185294853 +0100
+@@ -824,6 +824,11 @@
+   ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
+   )
+ 
++# They are not referenced. See set_output_directory().
++set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
++set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
++set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
++
+ # For up-to-date instructions for installing the Tensorflow dependency, refer to
+ # the bot setup script: https://github.com/google/ml-compiler-opt/blob/master/buildbot/buildbot_init.sh
+ # In this case, the latest C API library is available for download from
+@@ -832,18 +837,13 @@
+ # LLVM_HAVE_TF_API, through llvm-config.h, so that a user of the LLVM library may
+ # also leverage the dependency.
+ set(TENSORFLOW_C_LIB_PATH "" CACHE PATH "Path to TensorFlow C library install")
+-find_library(tensorflow_c_api tensorflow PATHS ${TENSORFLOW_C_LIB_PATH}/lib)
+ 
+-if (tensorflow_c_api)
++if (TENSORFLOW_C_LIB_PATH)
++  find_library(tensorflow_c_api tensorflow PATHS ${TENSORFLOW_C_LIB_PATH}/lib NO_DEFAULT_PATH REQUIRED)
+   set(LLVM_HAVE_TF_API "ON" CACHE BOOL "Full Tensorflow API available")
+   include_directories(${TENSORFLOW_C_LIB_PATH}/include)
+ endif()
+ 
+-# They are not referenced. See set_output_directory().
+-set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
+-set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
+-set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
+-
+ # For up-to-date instructions for installing the Tensorflow dependency, refer to
+ # the bot setup script: https://github.com/google/ml-compiler-opt/blob/master/buildbot/buildbot_init.sh
+ # Specifically, assuming python3 is installed:
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.0.0-hip-location.patch b/sys-devel/llvm-roc/files/llvm-roc-4.0.0-hip-location.patch
new file mode 100644
index 0000000..225adc7
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.0.0-hip-location.patch
@@ -0,0 +1,84 @@
+replace hardcoded hip finder with Gentoo paths.
+
+It is not necessary to check HIP runtime each time.
+
+Author: Benda Xu <heroxbd@gentoo.org>
+
+Index: llvm-project-rocm-4.0.0/clang/lib/Driver/ToolChains/AMDGPU.cpp
+===================================================================
+--- llvm-project-rocm-4.0.0.orig/clang/lib/Driver/ToolChains/AMDGPU.cpp
++++ llvm-project-rocm-4.0.0/clang/lib/Driver/ToolChains/AMDGPU.cpp
+@@ -116,37 +116,8 @@ RocmInstallationDetector::getInstallatio
+     return Candidates;
+   }
+ 
+-  // Try to find relative to the compiler binary.
+-  const char *InstallDir = D.getInstalledDir();
++  Candidates.emplace_back(D.SysRoot + "/usr", /*StrictChecking=*/true);
+ 
+-  // Check both a normal Unix prefix position of the clang binary, as well as
+-  // the Windows-esque layout the ROCm packages use with the host architecture
+-  // subdirectory of bin.
+-
+-  // Strip off directory (usually bin)
+-  StringRef ParentDir = llvm::sys::path::parent_path(InstallDir);
+-  StringRef ParentName = llvm::sys::path::filename(ParentDir);
+-
+-  // Some builds use bin/{host arch}, so go up again.
+-  if (ParentName == "bin") {
+-    ParentDir = llvm::sys::path::parent_path(ParentDir);
+-    ParentName = llvm::sys::path::filename(ParentDir);
+-  }
+-
+-  // Some versions of the rocm llvm package install to /opt/rocm/llvm/bin
+-  if (ParentName == "llvm")
+-    ParentDir = llvm::sys::path::parent_path(ParentDir);
+-
+-  Candidates.emplace_back(ParentDir.str(), /*StrictChecking=*/true);
+-
+-  // Device library may be installed in clang resource directory.
+-  Candidates.emplace_back(D.ResourceDir, /*StrictChecking=*/true);
+-
+-  Candidates.emplace_back(D.SysRoot + "/opt/rocm", /*StrictChecking=*/true);
+-  if (ParentName.startswith("aomp")) {
+-    // Some versions of the aomp package install to /opt/rocm/aomp/bin
+-    Candidates.emplace_back(ParentDir.str());
+-  }
+   return Candidates;
+ }
+ 
+@@ -273,33 +244,7 @@ void RocmInstallationDetector::detectDev
+ }
+ 
+ void RocmInstallationDetector::detectHIPRuntime() {
+-  auto Candidates = getInstallationPathCandidates();
+-  auto &FS = D.getVFS();
+-
+-  for (const auto &Candidate : Candidates) {
+-    InstallPath = Candidate.Path;
+-    if (InstallPath.empty() || !FS.exists(InstallPath))
+-      continue;
+-
+-    BinPath = InstallPath;
+-    llvm::sys::path::append(BinPath, "bin");
+-    IncludePath = InstallPath;
+-    llvm::sys::path::append(IncludePath, "include");
+-    LibPath = InstallPath;
+-    llvm::sys::path::append(LibPath, "lib");
+-
+-    llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> VersionFile =
+-        FS.getBufferForFile(BinPath + "/.hipVersion");
+-    if (!VersionFile && Candidate.StrictChecking)
+-      continue;
+-
+-    if (HIPVersionArg.empty() && VersionFile)
+-      ParseHIPVersionFile((*VersionFile)->getBuffer());
+-
+-    HasHIPRuntime = true;
+-    return;
+-  }
+-  HasHIPRuntime = false;
++  HasHIPRuntime = true;
+ }
+ 
+ void RocmInstallationDetector::print(raw_ostream &OS) const {
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.0.0-remove-isystem-usr-include.patch b/sys-devel/llvm-roc/files/llvm-roc-4.0.0-remove-isystem-usr-include.patch
new file mode 100644
index 0000000..f14ec4a
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.0.0-remove-isystem-usr-include.patch
@@ -0,0 +1,29 @@
+Author: Wilfried (justxi) Holzke
+
+Adopted from https://github.com/justxi/rocm/blob/master/sys-devel/llvm-roc/files/llvm-roc-4.0.0-remove-isystem-usr-include.patch
+
+Index: llvm-project-rocm-4.0.0/clang/lib/Driver/ToolChains/AMDGPU.cpp
+===================================================================
+--- llvm-project-rocm-4.0.0.orig/clang/lib/Driver/ToolChains/AMDGPU.cpp
++++ llvm-project-rocm-4.0.0/clang/lib/Driver/ToolChains/AMDGPU.cpp
+@@ -326,11 +326,6 @@ void RocmInstallationDetector::AddHIPInc
+     //
+     // ROCm 3.5 does not fully support the wrapper headers. Therefore it needs
+     // a workaround.
+-    SmallString<128> P(D.ResourceDir);
+-    if (UsesRuntimeWrapper)
+-      llvm::sys::path::append(P, "include", "cuda_wrappers");
+-    CC1Args.push_back("-internal-isystem");
+-    CC1Args.push_back(DriverArgs.MakeArgString(P));
+   }
+ 
+   if (DriverArgs.hasArg(options::OPT_nogpuinc))
+@@ -341,8 +336,6 @@ void RocmInstallationDetector::AddHIPInc
+     return;
+   }
+ 
+-  CC1Args.push_back("-internal-isystem");
+-  CC1Args.push_back(DriverArgs.MakeArgString(getIncludePath()));
+   if (UsesRuntimeWrapper)
+     CC1Args.append({"-include", "__clang_hip_runtime_wrapper.h"});
+ }
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.1.0-fix-missing-include.patch b/sys-devel/llvm-roc/files/llvm-roc-4.1.0-fix-missing-include.patch
new file mode 100644
index 0000000..4914ba2
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.1.0-fix-missing-include.patch
@@ -0,0 +1,21 @@
+From b498303066a63a203d24f739b2d2e0e56dca70d1 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Tue, 10 Nov 2020 14:55:25 +0100
+Subject: [PATCH] [nfc] Fix missing include
+
+---
+ llvm/utils/benchmark/src/benchmark_register.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/utils/benchmark/src/benchmark_register.h b/llvm/utils/benchmark/src/benchmark_register.h
+index 0705e219f2fa2..4caa5ad4da079 100644
+--- a/utils/benchmark/src/benchmark_register.h
++++ b/utils/benchmark/src/benchmark_register.h
+@@ -1,6 +1,7 @@
+ #ifndef BENCHMARK_REGISTER_H
+ #define BENCHMARK_REGISTER_H
+ 
++#include <limits>
+ #include <vector>
+ 
+ #include "check.h"
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.2.0-add_Object.patch b/sys-devel/llvm-roc/files/llvm-roc-4.2.0-add_Object.patch
new file mode 100644
index 0000000..da21ab2
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.2.0-add_Object.patch
@@ -0,0 +1,11 @@
+diff --color -uprN orig/lib/Target/AMDGPU/Disassembler/CMakeLists.txt llvm/lib/Target/AMDGPU/Disassembler/CMakeLists.txt
+--- orig/lib/Target/AMDGPU/Disassembler/CMakeLists.txt	2021-06-14 11:57:54.222796911 +0800
++++ llvm/lib/Target/AMDGPU/Disassembler/CMakeLists.txt	2021-06-14 11:58:35.206796875 +0800
+@@ -11,6 +11,7 @@ add_llvm_component_library(LLVMAMDGPUDis
+   MC
+   MCDisassembler
+   Support
++  Object
+ 
+   ADD_TO_COMPONENT
+   AMDGPU
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.2.0-current_pos.patch b/sys-devel/llvm-roc/files/llvm-roc-4.2.0-current_pos.patch
new file mode 100644
index 0000000..0f33989
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.2.0-current_pos.patch
@@ -0,0 +1,28 @@
+diff -Naur a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
+--- a/include/llvm/Support/raw_ostream.h	2021-05-22 19:56:44.779955686 +0200
++++ b/include/llvm/Support/raw_ostream.h	2021-05-22 20:00:49.449954752 +0200
+@@ -610,9 +610,7 @@
+   /// See raw_ostream::write_impl.
+   void write_impl(const char *Ptr, size_t Size) override;
+ 
+-  /// Return the current position within the stream, not counting the bytes
+-  /// currently in the buffer.
+-  uint64_t current_pos() const override { return OS.size(); }
++  uint64_t current_pos() const override;
+ 
+ public:
+   explicit raw_string_ostream(std::string &O) : OS(O) {
+diff -Naur a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
+--- a/lib/Support/raw_ostream.cpp	2021-05-22 19:59:05.651955148 +0200
++++ b/lib/Support/raw_ostream.cpp	2021-05-22 20:01:22.929954625 +0200
+@@ -938,6 +938,10 @@
+ //  raw_string_ostream
+ //===----------------------------------------------------------------------===//
+ 
++/// Return the current position within the stream, not counting the bytes
++/// currently in the buffer.
++uint64_t raw_string_ostream::current_pos() const { return OS.size(); }
++
+ raw_string_ostream::~raw_string_ostream() {
+   flush();
+ }
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.2.0-cyclades.patch b/sys-devel/llvm-roc/files/llvm-roc-4.2.0-cyclades.patch
new file mode 100644
index 0000000..629ede5
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.2.0-cyclades.patch
@@ -0,0 +1,86 @@
+https://github.com/RadeonOpenCompute/llvm-project/commit/68d5235cb58f988c71b403334cd9482d663841ab.patch
+https://bugs.gentoo.org/800695
+Differential Revision: https://reviews.llvm.org/D102059
+
+From 68d5235cb58f988c71b403334cd9482d663841ab Mon Sep 17 00:00:00 2001
+From: Tamar Christina <tamar.christina@arm.com>
+Date: Thu, 20 May 2021 18:55:11 +0100
+Subject: [PATCH] libsanitizer: Remove cyclades inclusion in sanitizer
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+@@ -370,15 +370,6 @@ static void ioctl_table_fill() {
+ 
+ #if SANITIZER_GLIBC
+   // _(SIOCDEVPLIP, WRITE, struct_ifreq_sz); // the same as EQL_ENSLAVE
+-  _(CYGETDEFTHRESH, WRITE, sizeof(int));
+-  _(CYGETDEFTIMEOUT, WRITE, sizeof(int));
+-  _(CYGETMON, WRITE, struct_cyclades_monitor_sz);
+-  _(CYGETTHRESH, WRITE, sizeof(int));
+-  _(CYGETTIMEOUT, WRITE, sizeof(int));
+-  _(CYSETDEFTHRESH, NONE, 0);
+-  _(CYSETDEFTIMEOUT, NONE, 0);
+-  _(CYSETTHRESH, NONE, 0);
+-  _(CYSETTIMEOUT, NONE, 0);
+   _(EQL_EMANCIPATE, WRITE, struct_ifreq_sz);
+   _(EQL_ENSLAVE, WRITE, struct_ifreq_sz);
+   _(EQL_GETMASTRCFG, WRITE, struct_ifreq_sz);
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
+@@ -143,7 +143,6 @@ typedef struct user_fpregs elf_fpregset_t;
+ # include <sys/procfs.h>
+ #endif
+ #include <sys/user.h>
+-#include <linux/cyclades.h>
+ #include <linux/if_eql.h>
+ #include <linux/if_plip.h>
+ #include <linux/lp.h>
+@@ -460,7 +459,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+ 
+ #if SANITIZER_GLIBC
+   unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
+-  unsigned struct_cyclades_monitor_sz = sizeof(struct cyclades_monitor);
+ #if EV_VERSION > (0x010000)
+   unsigned struct_input_keymap_entry_sz = sizeof(struct input_keymap_entry);
+ #else
+@@ -824,15 +822,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+ #endif // SANITIZER_LINUX
+ 
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID
+-  unsigned IOCTL_CYGETDEFTHRESH = CYGETDEFTHRESH;
+-  unsigned IOCTL_CYGETDEFTIMEOUT = CYGETDEFTIMEOUT;
+-  unsigned IOCTL_CYGETMON = CYGETMON;
+-  unsigned IOCTL_CYGETTHRESH = CYGETTHRESH;
+-  unsigned IOCTL_CYGETTIMEOUT = CYGETTIMEOUT;
+-  unsigned IOCTL_CYSETDEFTHRESH = CYSETDEFTHRESH;
+-  unsigned IOCTL_CYSETDEFTIMEOUT = CYSETDEFTIMEOUT;
+-  unsigned IOCTL_CYSETTHRESH = CYSETTHRESH;
+-  unsigned IOCTL_CYSETTIMEOUT = CYSETTIMEOUT;
+   unsigned IOCTL_EQL_EMANCIPATE = EQL_EMANCIPATE;
+   unsigned IOCTL_EQL_ENSLAVE = EQL_ENSLAVE;
+   unsigned IOCTL_EQL_GETMASTRCFG = EQL_GETMASTRCFG;
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+@@ -983,7 +983,6 @@ extern unsigned struct_vt_mode_sz;
+ 
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID
+ extern unsigned struct_ax25_parms_struct_sz;
+-extern unsigned struct_cyclades_monitor_sz;
+ extern unsigned struct_input_keymap_entry_sz;
+ extern unsigned struct_ipx_config_data_sz;
+ extern unsigned struct_kbdiacrs_sz;
+@@ -1328,15 +1327,6 @@ extern unsigned IOCTL_VT_WAITACTIVE;
+ #endif  // SANITIZER_LINUX
+ 
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID
+-extern unsigned IOCTL_CYGETDEFTHRESH;
+-extern unsigned IOCTL_CYGETDEFTIMEOUT;
+-extern unsigned IOCTL_CYGETMON;
+-extern unsigned IOCTL_CYGETTHRESH;
+-extern unsigned IOCTL_CYGETTIMEOUT;
+-extern unsigned IOCTL_CYSETDEFTHRESH;
+-extern unsigned IOCTL_CYSETDEFTIMEOUT;
+-extern unsigned IOCTL_CYSETTHRESH;
+-extern unsigned IOCTL_CYSETTIMEOUT;
+ extern unsigned IOCTL_EQL_EMANCIPATE;
+ extern unsigned IOCTL_EQL_ENSLAVE;
+ extern unsigned IOCTL_EQL_GETMASTRCFG;
diff --git a/sys-devel/llvm-roc/files/llvm-roc-4.3.0-hip-location.patch b/sys-devel/llvm-roc/files/llvm-roc-4.3.0-hip-location.patch
new file mode 100644
index 0000000..1fe93a3
--- /dev/null
+++ b/sys-devel/llvm-roc/files/llvm-roc-4.3.0-hip-location.patch
@@ -0,0 +1,189 @@
+replace hardcoded hip finder with Gentoo paths.
+
+It is not necessary to check HIP runtime each time.
+
+Author: Benda Xu <heroxbd@gentoo.org>
+Author: Yiyang Wu <xgreenlandforwyy@gmail.com>
+
+--- orig/clang/lib/Driver/ToolChains/AMDGPU.cpp
++++ llvm-project-rocm-4.3.0/clang/lib/Driver/ToolChains/AMDGPU.cpp
+@@ -165,133 +165,8 @@ bool RocmInstallationDetector::parseHIPV
+ /// cached and populated only once.
+ const SmallVectorImpl<RocmInstallationDetector::Candidate> &
+ RocmInstallationDetector::getInstallationPathCandidates() {
+-
+-  // Return the cached candidate list if it has already been populated.
+-  if (!ROCmSearchDirs.empty())
+-    return ROCmSearchDirs;
+-
+-  auto DoPrintROCmSearchDirs = [&]() {
+-    if (PrintROCmSearchDirs)
+-      for (auto Cand : ROCmSearchDirs) {
+-        llvm::errs() << "ROCm installation search path";
+-        if (Cand.isSPACK())
+-          llvm::errs() << " (Spack " << Cand.SPACKReleaseStr << ")";
+-        llvm::errs() << ": " << Cand.Path << '\n';
+-      }
+-  };
+-
+-  // For candidate specified by --rocm-path we do not do strict check, i.e.,
+-  // checking existence of HIP version file and device library files.
+-  if (!RocmPathArg.empty()) {
+-    ROCmSearchDirs.emplace_back(RocmPathArg.str());
+-    DoPrintROCmSearchDirs();
+-    return ROCmSearchDirs;
+-  } else if (const char *RocmPathEnv = ::getenv("ROCM_PATH")) {
+-    if (!StringRef(RocmPathEnv).empty()) {
+-      ROCmSearchDirs.emplace_back(RocmPathEnv);
+-      DoPrintROCmSearchDirs();
+-      return ROCmSearchDirs;
+-    }
+-  }
+-
+-  // Try to find relative to the compiler binary.
+-  const char *InstallDir = D.getInstalledDir();
+-
+-  // Check both a normal Unix prefix position of the clang binary, as well as
+-  // the Windows-esque layout the ROCm packages use with the host architecture
+-  // subdirectory of bin.
+-  auto DeduceROCmPath = [](StringRef ClangPath) {
+-    // Strip off directory (usually bin)
+-    StringRef ParentDir = llvm::sys::path::parent_path(ClangPath);
+-    StringRef ParentName = llvm::sys::path::filename(ParentDir);
+-
+-    // Some builds use bin/{host arch}, so go up again.
+-    if (ParentName == "bin") {
+-      ParentDir = llvm::sys::path::parent_path(ParentDir);
+-      ParentName = llvm::sys::path::filename(ParentDir);
+-    }
+-
+-    // Detect ROCm packages built with SPACK.
+-    // clang is installed at
+-    // <rocm_root>/llvm-amdgpu-<rocm_release_string>-<hash>/bin directory.
+-    // We only consider the parent directory of llvm-amdgpu package as ROCm
+-    // installation candidate for SPACK.
+-    if (ParentName.startswith("llvm-amdgpu-")) {
+-      auto SPACKPostfix =
+-          ParentName.drop_front(strlen("llvm-amdgpu-")).split('-');
+-      auto SPACKReleaseStr = SPACKPostfix.first;
+-      if (!SPACKReleaseStr.empty()) {
+-        ParentDir = llvm::sys::path::parent_path(ParentDir);
+-        return Candidate(ParentDir.str(), /*StrictChecking=*/true,
+-                         SPACKReleaseStr);
+-      }
+-    }
+-
+-    // Some versions of the rocm llvm package install to /opt/rocm/llvm/bin
+-    // Some versions of the aomp package install to /opt/rocm/aomp/bin
+-    if (ParentName == "llvm" || ParentName.startswith("aomp"))
+-      ParentDir = llvm::sys::path::parent_path(ParentDir);
+-
+-    return Candidate(ParentDir.str(), /*StrictChecking=*/true);
+-  };
+-
+-  // Deduce ROCm path by the path used to invoke clang. Do not resolve symbolic
+-  // link of clang itself.
+-  ROCmSearchDirs.emplace_back(DeduceROCmPath(InstallDir));
+-
+-  // Deduce ROCm path by the real path of the invoked clang, resolving symbolic
+-  // link of clang itself.
+-  llvm::SmallString<256> RealClangPath;
+-  llvm::sys::fs::real_path(D.getClangProgramPath(), RealClangPath);
+-  auto ParentPath = llvm::sys::path::parent_path(RealClangPath);
+-  if (ParentPath != InstallDir)
+-    ROCmSearchDirs.emplace_back(DeduceROCmPath(ParentPath));
+-
+-  // Device library may be installed in clang resource directory.
+-  ROCmSearchDirs.emplace_back(D.ResourceDir,
+-                              /*StrictChecking=*/true);
+-
+-  ROCmSearchDirs.emplace_back(D.SysRoot + "/opt/rocm",
+-                              /*StrictChecking=*/true);
+-
+-  // Find the latest /opt/rocm-{release} directory.
+-  std::error_code EC;
+-  std::string LatestROCm;
+-  llvm::VersionTuple LatestVer;
+-  // Get ROCm version from ROCm directory name.
+-  auto GetROCmVersion = [](StringRef DirName) {
+-    llvm::VersionTuple V;
+-    std::string VerStr = DirName.drop_front(strlen("rocm-")).str();
+-    // The ROCm directory name follows the format of
+-    // rocm-{major}.{minor}.{subMinor}[-{build}]
+-    std::replace(VerStr.begin(), VerStr.end(), '-', '.');
+-    V.tryParse(VerStr);
+-    return V;
+-  };
+-  for (llvm::vfs::directory_iterator
+-           File = D.getVFS().dir_begin(D.SysRoot + "/opt", EC),
+-           FileEnd;
+-       File != FileEnd && !EC; File.increment(EC)) {
+-    llvm::StringRef FileName = llvm::sys::path::filename(File->path());
+-    if (!FileName.startswith("rocm-"))
+-      continue;
+-    if (LatestROCm.empty()) {
+-      LatestROCm = FileName.str();
+-      LatestVer = GetROCmVersion(LatestROCm);
+-      continue;
+-    }
+-    auto Ver = GetROCmVersion(FileName);
+-    if (LatestVer < Ver) {
+-      LatestROCm = FileName.str();
+-      LatestVer = Ver;
+-    }
+-  }
+-  if (!LatestROCm.empty())
+-    ROCmSearchDirs.emplace_back(D.SysRoot + "/opt/" + LatestROCm,
+-                                /*StrictChecking=*/true);
+-
+-  DoPrintROCmSearchDirs();
+-  return ROCmSearchDirs;
++	ROCmSearchDirs.emplace_back(D.SysRoot + "/usr", /*StrictChecking=*/true);
++	return ROCmSearchDirs;
+ }
+ 
+ RocmInstallationDetector::RocmInstallationDetector(
+@@ -423,42 +298,7 @@ void RocmInstallationDetector::detectDev
+ }
+ 
+ void RocmInstallationDetector::detectHIPRuntime() {
+-  SmallVector<Candidate, 4> HIPSearchDirs;
+-  if (!HIPPathArg.empty())
+-    HIPSearchDirs.emplace_back(HIPPathArg.str(), /*StrictChecking=*/true);
+-  else
+-    HIPSearchDirs.append(getInstallationPathCandidates());
+-  auto &FS = D.getVFS();
+-
+-  for (const auto &Candidate : HIPSearchDirs) {
+-    InstallPath = Candidate.Path;
+-    if (InstallPath.empty() || !FS.exists(InstallPath))
+-      continue;
+-    // HIP runtime built by SPACK is installed to
+-    // <rocm_root>/hip-<rocm_release_string>-<hash> directory.
+-    auto SPACKPath = findSPACKPackage(Candidate, "hip");
+-    InstallPath = SPACKPath.empty() ? InstallPath : SPACKPath;
+-
+-    BinPath = InstallPath;
+-    llvm::sys::path::append(BinPath, "bin");
+-    IncludePath = InstallPath;
+-    llvm::sys::path::append(IncludePath, "include");
+-    LibPath = InstallPath;
+-    llvm::sys::path::append(LibPath, "lib");
+-
+-    llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> VersionFile =
+-        FS.getBufferForFile(BinPath + "/.hipVersion");
+-    if (!VersionFile && Candidate.StrictChecking)
+-      continue;
+-
+-    if (HIPVersionArg.empty() && VersionFile)
+-      if (parseHIPVersionFile((*VersionFile)->getBuffer()))
+-        continue;
+-
+-    HasHIPRuntime = true;
+-    return;
+-  }
+-  HasHIPRuntime = false;
++  HasHIPRuntime = true;
+ }
+ 
+ void RocmInstallationDetector::print(raw_ostream &OS) const {