Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/ubsan_minimal/CMakeLists.txt

@@ -0,0 +1,26 @@
+set(UBSAN_LIT_TESTS_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+
+set(UBSAN_TEST_ARCH ${UBSAN_SUPPORTED_ARCH})
+if(APPLE)
+  darwin_filter_host_archs(UBSAN_SUPPORTED_ARCH UBSAN_TEST_ARCH)
+endif()
+
+set(UBSAN_TESTSUITES)
+set(UBSAN_TEST_DEPS ${SANITIZER_COMMON_LIT_TEST_DEPS})
+if(NOT COMPILER_RT_STANDALONE_BUILD)
+  list(APPEND UBSAN_TEST_DEPS ubsan-minimal)
+endif()
+
+foreach(arch ${UBSAN_TEST_ARCH})
+  get_test_cc_for_arch(${arch} UBSAN_TEST_TARGET_CC UBSAN_TEST_TARGET_CFLAGS)
+  set(CONFIG_NAME ${arch})
+  configure_lit_site_cfg(
+    ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
+    ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg)
+  list(APPEND UBSAN_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME})
+endforeach()
+
+add_lit_testsuite(check-ubsan-minimal "Running UndefinedBehaviorSanitizerMinimal tests"
+  ${UBSAN_TESTSUITES}
+  DEPENDS ${UBSAN_TEST_DEPS})
+set_target_properties(check-ubsan-minimal PROPERTIES FOLDER "Compiler-RT Misc")

external/llvm-project/compiler-rt/test/ubsan_minimal/TestCases/recover-dedup-limit.cpp

@@ -0,0 +1,41 @@
+// RUN: %clangxx -fsanitize=signed-integer-overflow -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s
+
+#include <stdint.h>
+
+#define OVERFLOW  \
+  x = 0x7FFFFFFE; \
+  x += __LINE__
+
+int main() {
+  int32_t x;
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+  OVERFLOW;  // CHECK: add-overflow
+
+  // CHECK-NOT: add-overflow
+  OVERFLOW;  // CHECK: too many errors
+  // CHECK-NOT: add-overflow
+  OVERFLOW;
+  OVERFLOW;
+  OVERFLOW;
+}

external/llvm-project/compiler-rt/test/ubsan_minimal/TestCases/recover-dedup.cpp

@@ -0,0 +1,39 @@
+// RUN: %clangxx -w -fsanitize=signed-integer-overflow,nullability-return,returns-nonnull-attribute -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s
+
+#include <stdint.h>
+#include <stdio.h>
+
+int *_Nonnull h() {
+  // CHECK: nullability-return
+  return NULL;
+}
+
+__attribute__((returns_nonnull))
+int *i() {
+  // CHECK: nonnull-return
+  return NULL;
+}
+
+__attribute__((noinline))
+int f(int x, int y) {
+  // CHECK: mul-overflow
+  return x * y;
+}
+
+__attribute__((noinline))
+int g(int x, int y) {
+  // CHECK: mul-overflow
+  return x * (y + 1);
+}
+
+int main() {
+  h();
+  i();
+  int x = 2;
+  for (int i = 0; i < 10; ++i)
+    x = f(x, x);
+  x = 2;
+  for (int i = 0; i < 10; ++i)
+    x = g(x, x);
+  // CHECK-NOT: mul-overflow
+}

external/llvm-project/compiler-rt/test/ubsan_minimal/TestCases/test-darwin-interface.c

@@ -0,0 +1,16 @@
+// Check that the ubsan and ubsan-minimal runtimes have the same symbols,
+// making exceptions as necessary.
+//
+// REQUIRES: x86_64-darwin
+
+// RUN: nm -jgU `%clangxx -fsanitize-minimal-runtime -fsanitize=undefined %s -o %t '-###' 2>&1 | grep "libclang_rt.ubsan_minimal_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.ubsan_minimal_osx_dynamic.dylib\)".*/\1/'` | grep "^___ubsan_handle" \
+// RUN:  | sed 's/_minimal//g' \
+// RUN:  > %t.minimal.symlist
+//
+// RUN: nm -jgU `%clangxx -fno-sanitize-minimal-runtime -fsanitize=undefined %s -o %t '-###' 2>&1 | grep "libclang_rt.ubsan_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.ubsan_osx_dynamic.dylib\)".*/\1/'` | grep "^___ubsan_handle" \
+// RUN:  | grep -vE "^___ubsan_handle_dynamic_type_cache_miss" \
+// RUN:  | grep -vE "^___ubsan_handle_cfi_bad_type" \
+// RUN:  | sed 's/_v1//g' \
+// RUN:  > %t.full.symlist
+//
+// RUN: diff %t.minimal.symlist %t.full.symlist

external/llvm-project/compiler-rt/test/ubsan_minimal/TestCases/uadd-overflow.cpp

@@ -0,0 +1,10 @@
+// RUN: %clangxx -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=all %s -o %t && not --crash %run %t 2>&1 | FileCheck %s
+
+#include <stdint.h>
+
+int main() {
+  uint32_t k = 0x87654321;
+  k += 0xedcba987;
+  // CHECK: add-overflow
+}

external/llvm-project/compiler-rt/test/ubsan_minimal/lit.common.cfg

@@ -0,0 +1,40 @@
+# -*- Python -*-
+
+import os
+
+def get_required_attr(config, attr_name):
+  attr_value = getattr(config, attr_name, None)
+  if attr_value == None:
+    lit_config.fatal(
+      "No attribute %r in test configuration! You may need to run "
+      "tests from your build directory or add this attribute "
+      "to lit.site.cfg " % attr_name)
+  return attr_value
+
+# Setup source root.
+config.test_source_root = os.path.dirname(__file__)
+config.name = 'UBSan-Minimal-' + config.target_arch
+
+def build_invocation(compile_flags):
+  return " " + " ".join([config.clang] + compile_flags) + " "
+
+target_cflags = [get_required_attr(config, "target_cflags")]
+clang_ubsan_cflags = ["-fsanitize-minimal-runtime"] + target_cflags
+clang_ubsan_cxxflags = config.cxx_mode_flags + clang_ubsan_cflags
+
+# Define %clang and %clangxx substitutions to use in test RUN lines.
+config.substitutions.append( ("%clang ", build_invocation(clang_ubsan_cflags)) )
+config.substitutions.append( ("%clangxx ", build_invocation(clang_ubsan_cxxflags)) )
+
+# Default test suffixes.
+config.suffixes = ['.c', '.cc', '.cpp']
+
+# Check that the host supports UndefinedBehaviorSanitizerMinimal tests
+if config.host_os not in ['Linux', 'FreeBSD', 'NetBSD', 'Darwin']: # TODO: Windows
+  config.unsupported = True
+
+# Don't target x86_64h if the test machine can't execute x86_64h binaries.
+if '-arch x86_64h' in target_cflags and 'x86_64h' not in config.available_features:
+  config.unsupported = True
+
+config.available_features.add('arch=' + config.target_arch)

external/llvm-project/compiler-rt/test/ubsan_minimal/lit.site.cfg.in

@@ -0,0 +1,11 @@
+@LIT_SITE_CFG_IN_HEADER@
+
+# Tool-specific config options.
+config.target_cflags = "@UBSAN_TEST_TARGET_CFLAGS@"
+config.target_arch = "@UBSAN_TEST_TARGET_ARCH@"
+
+# Load common config for all compiler-rt lit tests.
+lit_config.load_config(config, "@COMPILER_RT_BINARY_DIR@/test/lit.common.configured")
+
+# Load tool-specific config that would do the real work.
+lit_config.load_config(config, "@UBSAN_LIT_TESTS_DIR@/lit.common.cfg")