[clang] c9062e8 - Reapply [libomptarget] Build plugins-nextgen for SystemZ (#83978)
Ulrich Weigand via cfe-commits
cfe-commits at lists.llvm.org
Fri Mar 15 11:08:00 PDT 2024
Author: Ulrich Weigand
Date: 2024-03-15T19:06:43+01:00
New Revision: c9062e8f786864f86d330babce78a1926cc5b072
URL: https://github.com/llvm/llvm-project/commit/c9062e8f786864f86d330babce78a1926cc5b072
DIFF: https://github.com/llvm/llvm-project/commit/c9062e8f786864f86d330babce78a1926cc5b072.diff
LOG: Reapply [libomptarget] Build plugins-nextgen for SystemZ (#83978)
The plugin was not getting built as the build_generic_elf64 macro
assumes the LLVM triple processor name matches the CMake processor name,
which is unfortunately not the case for SystemZ.
Fix this by providing two separate arguments instead.
Actually building the plugin exposed a number of other issues causing
various test failures. Specifically, I've had to add the SystemZ target
to
- CompilerInvocation::ParseLangArgs
- linkDevice in ClangLinuxWrapper.cpp
- OMPContext::OMPContext (to set the device_kind_cpu trait)
- LIBOMPTARGET_ALL_TARGETS in libomptarget/CMakeLists.txt
- a check_plugin_target call in libomptarget/src/CMakeLists.txt
Finally, I've had to set a number of test cases to UNSUPPORTED on
s390x-ibm-linux-gnu; all these tests were already marked as UNSUPPORTED
for x86_64-pc-linux-gnu and aarch64-unknown-linux-gnu and are failing on
s390x for what seem to be the same reason.
In addition, this also requires support for BE ELF files in
plugins-nextgen: https://github.com/llvm/llvm-project/pull/85246
Added:
Modified:
clang/lib/Frontend/CompilerInvocation.cpp
clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
llvm/lib/Frontend/OpenMP/OMPContext.cpp
openmp/libomptarget/CMakeLists.txt
openmp/libomptarget/plugins-nextgen/CMakeLists.txt
openmp/libomptarget/plugins-nextgen/aarch64/CMakeLists.txt
openmp/libomptarget/plugins-nextgen/ppc64/CMakeLists.txt
openmp/libomptarget/plugins-nextgen/ppc64le/CMakeLists.txt
openmp/libomptarget/plugins-nextgen/s390x/CMakeLists.txt
openmp/libomptarget/plugins-nextgen/x86_64/CMakeLists.txt
openmp/libomptarget/src/CMakeLists.txt
openmp/libomptarget/test/api/omp_dynamic_shared_memory.c
openmp/libomptarget/test/jit/empty_kernel_lvl1.c
openmp/libomptarget/test/jit/empty_kernel_lvl2.c
openmp/libomptarget/test/jit/type_punning.c
openmp/libomptarget/test/mapping/auto_zero_copy.cpp
openmp/libomptarget/test/mapping/auto_zero_copy_globals.cpp
openmp/libomptarget/test/offloading/barrier_fence.c
openmp/libomptarget/test/offloading/bug49334.cpp
openmp/libomptarget/test/offloading/default_thread_limit.c
openmp/libomptarget/test/offloading/ompx_bare.c
openmp/libomptarget/test/offloading/ompx_coords.c
openmp/libomptarget/test/offloading/ompx_saxpy_mixed.c
openmp/libomptarget/test/offloading/parallel_target_teams_reduction.cpp
openmp/libomptarget/test/offloading/small_trip_count.c
openmp/libomptarget/test/offloading/small_trip_count_thread_limit.cpp
openmp/libomptarget/test/offloading/spmdization.c
openmp/libomptarget/test/offloading/target_critical_region.cpp
openmp/libomptarget/test/offloading/thread_limit.c
openmp/libomptarget/test/ompt/target_memcpy.c
openmp/libomptarget/test/ompt/target_memcpy_emi.c
openmp/libomptarget/test/ompt/veccopy.c
openmp/libomptarget/test/ompt/veccopy_data.c
openmp/libomptarget/test/ompt/veccopy_disallow_both.c
openmp/libomptarget/test/ompt/veccopy_emi.c
openmp/libomptarget/test/ompt/veccopy_emi_map.c
openmp/libomptarget/test/ompt/veccopy_map.c
Removed:
################################################################################
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 451bdb9386f587..2d3cbb98efcb57 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -4014,6 +4014,7 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args,
if (TT.getArch() == llvm::Triple::UnknownArch ||
!(TT.getArch() == llvm::Triple::aarch64 || TT.isPPC() ||
+ TT.getArch() == llvm::Triple::systemz ||
TT.getArch() == llvm::Triple::nvptx ||
TT.getArch() == llvm::Triple::nvptx64 ||
TT.getArch() == llvm::Triple::amdgcn ||
diff --git a/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp b/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
index 535ef42c78c463..c60be2789bd61e 100644
--- a/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
+++ b/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
@@ -562,6 +562,7 @@ Expected<StringRef> linkDevice(ArrayRef<StringRef> InputFiles,
case Triple::aarch64_be:
case Triple::ppc64:
case Triple::ppc64le:
+ case Triple::systemz:
return generic::clang(InputFiles, Args);
default:
return createStringError(inconvertibleErrorCode(),
diff --git a/llvm/lib/Frontend/OpenMP/OMPContext.cpp b/llvm/lib/Frontend/OpenMP/OMPContext.cpp
index e870c5aa2ba6b8..37936d6000c891 100644
--- a/llvm/lib/Frontend/OpenMP/OMPContext.cpp
+++ b/llvm/lib/Frontend/OpenMP/OMPContext.cpp
@@ -44,6 +44,7 @@ OMPContext::OMPContext(bool IsDeviceCompilation, Triple TargetTriple) {
case Triple::ppcle:
case Triple::ppc64:
case Triple::ppc64le:
+ case Triple::systemz:
case Triple::x86:
case Triple::x86_64:
ActiveTraits.set(unsigned(TraitProperty::device_kind_cpu));
diff --git a/openmp/libomptarget/CMakeLists.txt b/openmp/libomptarget/CMakeLists.txt
index a74eff0c0bebf3..b382137b70ee2a 100644
--- a/openmp/libomptarget/CMakeLists.txt
+++ b/openmp/libomptarget/CMakeLists.txt
@@ -56,6 +56,8 @@ set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} x86_64-pc-linux-gnu-L
set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} nvptx64-nvidia-cuda")
set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} nvptx64-nvidia-cuda-LTO")
set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} nvptx64-nvidia-cuda-JIT-LTO")
+set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} s390x-ibm-linux-gnu")
+set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} s390x-ibm-linux-gnu-LTO")
# Once the plugins for the
diff erent targets are validated, they will be added to
# the list of supported targets in the current system.
diff --git a/openmp/libomptarget/plugins-nextgen/CMakeLists.txt b/openmp/libomptarget/plugins-nextgen/CMakeLists.txt
index 3ca02368253ef8..b6fc136e8a1798 100644
--- a/openmp/libomptarget/plugins-nextgen/CMakeLists.txt
+++ b/openmp/libomptarget/plugins-nextgen/CMakeLists.txt
@@ -12,12 +12,15 @@
add_subdirectory(common)
-# void build_generic_elf64(string tmachine, string tmachine_name, string tmachine_libname, string elf_machine_id);
+# void build_generic_elf64(string tmachine, string tmachine_name, string tmachine_libname,
+# string tmachine_llvm, string tmachine_triple, string elf_machine_id);
# - build a plugin for an ELF based generic 64-bit target based on libffi.
# - tmachine: name of the machine processor as used in the cmake build system.
# - tmachine_name: name of the machine to be printed with the debug messages.
# - tmachine_libname: machine name to be appended to the plugin library name.
-macro(build_generic_elf64 tmachine tmachine_name tmachine_libname tmachine_triple elf_machine_id)
+# - tmachine_llvm: LLVM triple for the processor
+# - tmachine_triple: GNU target triple
+macro(build_generic_elf64 tmachine tmachine_name tmachine_libname tmachine_llvm tmachine_triple elf_machine_id)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "${tmachine}$")
# Define macro to be used as prefix of the runtime messages for this target.
add_definitions("-DTARGET_NAME=${tmachine_name}")
@@ -30,7 +33,7 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "${tmachine}$")
add_definitions("-DTARGET_ELF_ID=${elf_machine_id}")
# Define target triple
- add_definitions("-DLIBOMPTARGET_NEXTGEN_GENERIC_PLUGIN_TRIPLE=${tmachine}")
+ add_definitions("-DLIBOMPTARGET_NEXTGEN_GENERIC_PLUGIN_TRIPLE=${tmachine_llvm}")
add_llvm_library("omptarget.rtl.${tmachine_libname}"
SHARED
diff --git a/openmp/libomptarget/plugins-nextgen/aarch64/CMakeLists.txt b/openmp/libomptarget/plugins-nextgen/aarch64/CMakeLists.txt
index 2c2b753590e205..663ab4d60ff912 100644
--- a/openmp/libomptarget/plugins-nextgen/aarch64/CMakeLists.txt
+++ b/openmp/libomptarget/plugins-nextgen/aarch64/CMakeLists.txt
@@ -11,7 +11,7 @@
##===----------------------------------------------------------------------===##
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
- build_generic_elf64("aarch64" "aarch64" "aarch64" "aarch64-unknown-linux-gnu" "183")
+ build_generic_elf64("aarch64" "aarch64" "aarch64" "aarch64" "aarch64-unknown-linux-gnu" "183")
else()
libomptarget_say("Not building aarch64 NextGen offloading plugin: machine not found in the system.")
endif()
diff --git a/openmp/libomptarget/plugins-nextgen/ppc64/CMakeLists.txt b/openmp/libomptarget/plugins-nextgen/ppc64/CMakeLists.txt
index 0cccc9cb82e42c..77466c111ee0aa 100644
--- a/openmp/libomptarget/plugins-nextgen/ppc64/CMakeLists.txt
+++ b/openmp/libomptarget/plugins-nextgen/ppc64/CMakeLists.txt
@@ -11,7 +11,7 @@
##===----------------------------------------------------------------------===##
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
- build_generic_elf64("ppc64" "PPC64" "ppc64" "powerpc64-ibm-linux-gnu" "21")
+ build_generic_elf64("ppc64" "PPC64" "ppc64" "ppc64" "powerpc64-ibm-linux-gnu" "21")
else()
libomptarget_say("Not building ppc64 NextGen offloading plugin: machine not found in the system.")
endif()
diff --git a/openmp/libomptarget/plugins-nextgen/ppc64le/CMakeLists.txt b/openmp/libomptarget/plugins-nextgen/ppc64le/CMakeLists.txt
index 9461d79d145dfe..91d21627a3272f 100644
--- a/openmp/libomptarget/plugins-nextgen/ppc64le/CMakeLists.txt
+++ b/openmp/libomptarget/plugins-nextgen/ppc64le/CMakeLists.txt
@@ -11,7 +11,7 @@
##===----------------------------------------------------------------------===##
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
- build_generic_elf64("ppc64le" "PPC64le" "ppc64" "powerpc64le-ibm-linux-gnu" "21")
+ build_generic_elf64("ppc64le" "PPC64le" "ppc64" "ppc64le" "powerpc64le-ibm-linux-gnu" "21")
else()
libomptarget_say("Not building ppc64le NextGen offloading plugin: machine not found in the system.")
endif()
diff --git a/openmp/libomptarget/plugins-nextgen/s390x/CMakeLists.txt b/openmp/libomptarget/plugins-nextgen/s390x/CMakeLists.txt
index 1b12a292899980..0388a235d28998 100644
--- a/openmp/libomptarget/plugins-nextgen/s390x/CMakeLists.txt
+++ b/openmp/libomptarget/plugins-nextgen/s390x/CMakeLists.txt
@@ -11,7 +11,7 @@
##===----------------------------------------------------------------------===##
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
- build_generic_elf64("SystemZ" "S390X" "s390x" "s390x-ibm-linux-gnu" "22")
+ build_generic_elf64("s390x" "S390X" "s390x" "systemz" "s390x-ibm-linux-gnu" "22")
else()
libomptarget_say("Not building s390x NextGen offloading plugin: machine not found in the system.")
endif()
diff --git a/openmp/libomptarget/plugins-nextgen/x86_64/CMakeLists.txt b/openmp/libomptarget/plugins-nextgen/x86_64/CMakeLists.txt
index 129d526a2ae784..27cf3e069a377e 100644
--- a/openmp/libomptarget/plugins-nextgen/x86_64/CMakeLists.txt
+++ b/openmp/libomptarget/plugins-nextgen/x86_64/CMakeLists.txt
@@ -11,7 +11,7 @@
##===----------------------------------------------------------------------===##
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
- build_generic_elf64("x86_64" "x86_64" "x86_64" "x86_64-pc-linux-gnu" "62")
+ build_generic_elf64("x86_64" "x86_64" "x86_64" "x86_64" "x86_64-pc-linux-gnu" "62")
else()
libomptarget_say("Not building x86_64 NextGen offloading plugin: machine not found in the system.")
endif()
diff --git a/openmp/libomptarget/src/CMakeLists.txt b/openmp/libomptarget/src/CMakeLists.txt
index 9bc3f3339583d9..d0971bd4ef079e 100644
--- a/openmp/libomptarget/src/CMakeLists.txt
+++ b/openmp/libomptarget/src/CMakeLists.txt
@@ -73,6 +73,7 @@ if (NOT LIBOMPTARGET_PLUGINS_TO_LOAD)
check_plugin_target(cuda)
check_plugin_target(aarch64)
check_plugin_target(amdgpu)
+ check_plugin_target(s390x)
endif()
list(TRANSFORM LIBOMPTARGET_PLUGINS_TO_LOAD PREPEND "\"libomptarget.rtl.")
diff --git a/openmp/libomptarget/test/api/omp_dynamic_shared_memory.c b/openmp/libomptarget/test/api/omp_dynamic_shared_memory.c
index 5095a69a375c94..3fe75f24db3e67 100644
--- a/openmp/libomptarget/test/api/omp_dynamic_shared_memory.c
+++ b/openmp/libomptarget/test/api/omp_dynamic_shared_memory.c
@@ -10,6 +10,8 @@
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
// UNSUPPORTED: aarch64-unknown-linux-gnu
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <omp.h>
#include <stdio.h>
diff --git a/openmp/libomptarget/test/jit/empty_kernel_lvl1.c b/openmp/libomptarget/test/jit/empty_kernel_lvl1.c
index c908c8ba06509e..a0b8cd448837da 100644
--- a/openmp/libomptarget/test/jit/empty_kernel_lvl1.c
+++ b/openmp/libomptarget/test/jit/empty_kernel_lvl1.c
@@ -32,5 +32,7 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include "empty_kernel.inc"
diff --git a/openmp/libomptarget/test/jit/empty_kernel_lvl2.c b/openmp/libomptarget/test/jit/empty_kernel_lvl2.c
index 0b88d33292c571..81a04f55ce43d6 100644
--- a/openmp/libomptarget/test/jit/empty_kernel_lvl2.c
+++ b/openmp/libomptarget/test/jit/empty_kernel_lvl2.c
@@ -92,5 +92,7 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include "empty_kernel.inc"
diff --git a/openmp/libomptarget/test/jit/type_punning.c b/openmp/libomptarget/test/jit/type_punning.c
index 23aa69bba7b952..10e3d2cef718b8 100644
--- a/openmp/libomptarget/test/jit/type_punning.c
+++ b/openmp/libomptarget/test/jit/type_punning.c
@@ -12,6 +12,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
// Ensure that there is only the kernel function left, not any outlined
// parallel regions.
diff --git a/openmp/libomptarget/test/mapping/auto_zero_copy.cpp b/openmp/libomptarget/test/mapping/auto_zero_copy.cpp
index 6f9d8c2b128c94..46641200bb56e2 100644
--- a/openmp/libomptarget/test/mapping/auto_zero_copy.cpp
+++ b/openmp/libomptarget/test/mapping/auto_zero_copy.cpp
@@ -13,6 +13,8 @@
// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
// REQUIRES: unified_shared_memory
diff --git a/openmp/libomptarget/test/mapping/auto_zero_copy_globals.cpp b/openmp/libomptarget/test/mapping/auto_zero_copy_globals.cpp
index 4a13d270aeebe5..55dfb2807ebc78 100644
--- a/openmp/libomptarget/test/mapping/auto_zero_copy_globals.cpp
+++ b/openmp/libomptarget/test/mapping/auto_zero_copy_globals.cpp
@@ -9,6 +9,8 @@
// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
// REQUIRES: unified_shared_memory
diff --git a/openmp/libomptarget/test/offloading/barrier_fence.c b/openmp/libomptarget/test/offloading/barrier_fence.c
index 3eeaac52a2d60f..9c3027f091d38b 100644
--- a/openmp/libomptarget/test/offloading/barrier_fence.c
+++ b/openmp/libomptarget/test/offloading/barrier_fence.c
@@ -11,6 +11,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <omp.h>
#include <stdio.h>
diff --git a/openmp/libomptarget/test/offloading/bug49334.cpp b/openmp/libomptarget/test/offloading/bug49334.cpp
index a22d3fe9f66535..1f19dab378810d 100644
--- a/openmp/libomptarget/test/offloading/bug49334.cpp
+++ b/openmp/libomptarget/test/offloading/bug49334.cpp
@@ -9,6 +9,8 @@
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
// UNSUPPORTED: aarch64-unknown-linux-gnu
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
// UNSUPPORTED: amdgcn-amd-amdhsa
// UNSUPPORTED: nvptx64-nvidia-cuda
// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
diff --git a/openmp/libomptarget/test/offloading/default_thread_limit.c b/openmp/libomptarget/test/offloading/default_thread_limit.c
index d32e7df418cbbd..4da02bbb152e60 100644
--- a/openmp/libomptarget/test/offloading/default_thread_limit.c
+++ b/openmp/libomptarget/test/offloading/default_thread_limit.c
@@ -9,6 +9,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
__attribute__((optnone)) int optnone() { return 1; }
diff --git a/openmp/libomptarget/test/offloading/ompx_bare.c b/openmp/libomptarget/test/offloading/ompx_bare.c
index fb3810bd1df126..3dabdcd15e0d8d 100644
--- a/openmp/libomptarget/test/offloading/ompx_bare.c
+++ b/openmp/libomptarget/test/offloading/ompx_bare.c
@@ -1,10 +1,13 @@
// RUN: %libomptarget-compile-generic
-// RUN: env LIBOMPTARGET_INFO=63 %libomptarget-run-generic 2>&1 | %fcheck-generic
+// RUN: env LIBOMPTARGET_INFO=63 %libomptarget-run-generic 2>&1 | \
+// RUN: %fcheck-generic
//
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
// UNSUPPORTED: aarch64-unknown-linux-gnu
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <assert.h>
#include <ompx.h>
diff --git a/openmp/libomptarget/test/offloading/ompx_coords.c b/openmp/libomptarget/test/offloading/ompx_coords.c
index 61dad61f46405e..5e4e14b4c6daeb 100644
--- a/openmp/libomptarget/test/offloading/ompx_coords.c
+++ b/openmp/libomptarget/test/offloading/ompx_coords.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
// UNSUPPORTED: aarch64-unknown-linux-gnu
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <omp.h>
#include <ompx.h>
diff --git a/openmp/libomptarget/test/offloading/ompx_saxpy_mixed.c b/openmp/libomptarget/test/offloading/ompx_saxpy_mixed.c
index 440b694e3ac706..f479be8a484fc9 100644
--- a/openmp/libomptarget/test/offloading/ompx_saxpy_mixed.c
+++ b/openmp/libomptarget/test/offloading/ompx_saxpy_mixed.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
// UNSUPPORTED: aarch64-unknown-linux-gnu
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <math.h>
#include <omp.h>
diff --git a/openmp/libomptarget/test/offloading/parallel_target_teams_reduction.cpp b/openmp/libomptarget/test/offloading/parallel_target_teams_reduction.cpp
index 5303a9463f1551..10e1b33f1ce405 100644
--- a/openmp/libomptarget/test/offloading/parallel_target_teams_reduction.cpp
+++ b/openmp/libomptarget/test/offloading/parallel_target_teams_reduction.cpp
@@ -6,6 +6,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <iostream>
#include <vector>
diff --git a/openmp/libomptarget/test/offloading/small_trip_count.c b/openmp/libomptarget/test/offloading/small_trip_count.c
index d8bef667607a1c..65f094f1574694 100644
--- a/openmp/libomptarget/test/offloading/small_trip_count.c
+++ b/openmp/libomptarget/test/offloading/small_trip_count.c
@@ -9,6 +9,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#define N 128
diff --git a/openmp/libomptarget/test/offloading/small_trip_count_thread_limit.cpp b/openmp/libomptarget/test/offloading/small_trip_count_thread_limit.cpp
index 9796c2dc11663b..b7ae52a62c83bb 100644
--- a/openmp/libomptarget/test/offloading/small_trip_count_thread_limit.cpp
+++ b/openmp/libomptarget/test/offloading/small_trip_count_thread_limit.cpp
@@ -7,6 +7,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
int main(int argc, char *argv[]) {
constexpr const int block_size = 256;
diff --git a/openmp/libomptarget/test/offloading/spmdization.c b/openmp/libomptarget/test/offloading/spmdization.c
index 2cf30ff593b991..77913bec8342f9 100644
--- a/openmp/libomptarget/test/offloading/spmdization.c
+++ b/openmp/libomptarget/test/offloading/spmdization.c
@@ -11,6 +11,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
#include <omp.h>
#include <stdio.h>
diff --git a/openmp/libomptarget/test/offloading/target_critical_region.cpp b/openmp/libomptarget/test/offloading/target_critical_region.cpp
index 9a741bef6c5915..495632bf76e175 100644
--- a/openmp/libomptarget/test/offloading/target_critical_region.cpp
+++ b/openmp/libomptarget/test/offloading/target_critical_region.cpp
@@ -6,6 +6,8 @@
// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
// UNSUPPORTED: amdgcn-amd-amdhsa
#include <omp.h>
diff --git a/openmp/libomptarget/test/offloading/thread_limit.c b/openmp/libomptarget/test/offloading/thread_limit.c
index 65275a8f279584..a8cc51b651dc96 100644
--- a/openmp/libomptarget/test/offloading/thread_limit.c
+++ b/openmp/libomptarget/test/offloading/thread_limit.c
@@ -9,6 +9,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
int main() {
int n = 1 << 20;
diff --git a/openmp/libomptarget/test/ompt/target_memcpy.c b/openmp/libomptarget/test/ompt/target_memcpy.c
index 80a8d6a4b32e59..3224c5ac4c916d 100644
--- a/openmp/libomptarget/test/ompt/target_memcpy.c
+++ b/openmp/libomptarget/test/ompt/target_memcpy.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Verify that for the target OpenMP APIs, the return address is non-null and
diff --git a/openmp/libomptarget/test/ompt/target_memcpy_emi.c b/openmp/libomptarget/test/ompt/target_memcpy_emi.c
index 5347f38b87b6ff..fd7da13cb05d07 100644
--- a/openmp/libomptarget/test/ompt/target_memcpy_emi.c
+++ b/openmp/libomptarget/test/ompt/target_memcpy_emi.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Verify all three data transfer directions: H2D, D2D and D2H
diff --git a/openmp/libomptarget/test/ompt/veccopy.c b/openmp/libomptarget/test/ompt/veccopy.c
index 80e71fd8a48cb4..bc70f5a0b5b67d 100644
--- a/openmp/libomptarget/test/ompt/veccopy.c
+++ b/openmp/libomptarget/test/ompt/veccopy.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Example OpenMP program that registers non-EMI callbacks
diff --git a/openmp/libomptarget/test/ompt/veccopy_data.c b/openmp/libomptarget/test/ompt/veccopy_data.c
index cef1de316a7a14..264b484b881f10 100644
--- a/openmp/libomptarget/test/ompt/veccopy_data.c
+++ b/openmp/libomptarget/test/ompt/veccopy_data.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Example OpenMP program that registers EMI callbacks.
diff --git a/openmp/libomptarget/test/ompt/veccopy_disallow_both.c b/openmp/libomptarget/test/ompt/veccopy_disallow_both.c
index 06293e413ba45a..a011c21955bb2d 100644
--- a/openmp/libomptarget/test/ompt/veccopy_disallow_both.c
+++ b/openmp/libomptarget/test/ompt/veccopy_disallow_both.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Example OpenMP program that shows that both EMI and non-EMI
diff --git a/openmp/libomptarget/test/ompt/veccopy_emi.c b/openmp/libomptarget/test/ompt/veccopy_emi.c
index b597d7be6aff66..8718a39b4af812 100644
--- a/openmp/libomptarget/test/ompt/veccopy_emi.c
+++ b/openmp/libomptarget/test/ompt/veccopy_emi.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Example OpenMP program that registers EMI callbacks
diff --git a/openmp/libomptarget/test/ompt/veccopy_emi_map.c b/openmp/libomptarget/test/ompt/veccopy_emi_map.c
index ce6f6e30d5815f..2accba34034e64 100644
--- a/openmp/libomptarget/test/ompt/veccopy_emi_map.c
+++ b/openmp/libomptarget/test/ompt/veccopy_emi_map.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Example OpenMP program that shows that map-EMI callbacks are not supported.
diff --git a/openmp/libomptarget/test/ompt/veccopy_map.c b/openmp/libomptarget/test/ompt/veccopy_map.c
index 83f63a6e6049eb..56a0dd48f53683 100644
--- a/openmp/libomptarget/test/ompt/veccopy_map.c
+++ b/openmp/libomptarget/test/ompt/veccopy_map.c
@@ -4,6 +4,8 @@
// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
// UNSUPPORTED: x86_64-pc-linux-gnu
// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+// UNSUPPORTED: s390x-ibm-linux-gnu
+// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
/*
* Example OpenMP program that shows that map callbacks are not supported.
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