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Tests: Fix Ubuntu24.04 clang test issues, and enable action (#5824)

This commit is contained in:
Wilson Snyder 2025-03-02 16:53:59 -05:00 committed by GitHub
parent d31bce915c
commit b54f897090
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4 changed files with 36 additions and 19 deletions
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8
.github/workflows/build.yml vendored
View File

@ -96,7 +96,13 @@ jobs:
- {os: ubuntu-24.04, compiler: {cc: gcc, cxx: g++}, reloc: 0, suite: dist-vlt-3}
- {os: ubuntu-24.04, compiler: {cc: gcc, cxx: g++}, reloc: 0, suite: vltmt-0}
- {os: ubuntu-24.04, compiler: {cc: gcc, cxx: g++}, reloc: 0, suite: vltmt-1}
# Ubuntu 24.04 Clang - has problems
# Ubuntu 24.04 Clang
- {os: ubuntu-24.04, compiler: {cc: clang, cxx: clang++}, reloc: 0, suite: dist-vlt-0}
- {os: ubuntu-24.04, compiler: {cc: clang, cxx: clang++}, reloc: 0, suite: dist-vlt-1}
- {os: ubuntu-24.04, compiler: {cc: clang, cxx: clang++}, reloc: 0, suite: dist-vlt-2}
- {os: ubuntu-24.04, compiler: {cc: clang, cxx: clang++}, reloc: 0, suite: dist-vlt-3}
- {os: ubuntu-24.04, compiler: {cc: clang, cxx: clang++}, reloc: 0, suite: vltmt-0}
- {os: ubuntu-24.04, compiler: {cc: clang, cxx: clang++}, reloc: 0, suite: vltmt-1}
# Ubuntu 22.04 GCC
- {os: ubuntu-22.04, compiler: {cc: gcc, cxx: g++}, reloc: 0, suite: dist-vlt-0}
- {os: ubuntu-22.04, compiler: {cc: gcc, cxx: g++}, reloc: 0, suite: dist-vlt-1}

13
test_regress/driver.py
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@ -23,6 +23,8 @@ import time
from functools import lru_cache # Eventually use python 3.9's cache
from pprint import pformat, pprint
import distro
if False: # pylint: disable=using-constant-test
pprint(pformat("Ignored")) # Prevent unused warning
@ -140,8 +142,8 @@ class Capabilities:
@staticproperty
def cxx_version() -> str: # pylint: disable=no-method-argument
if Capabilities._cached_cxx_version is None:
Capabilities._cached_cxx_version = VtOs.run_capture(os.environ['MAKE'] + " -C " +
os.environ['TEST_REGRESS'] +
Capabilities._cached_cxx_version = VtOs.run_capture(
os.environ['MAKE'] + " --silent -C " + os.environ['TEST_REGRESS'] +
" -f Makefile print-cxx-version",
check=False)
@ -1238,6 +1240,13 @@ class VlTest:
self.skip("Test requires Coroutines; ignore error since not available\n")
return
if self.timing and self.sc and re.search(r'Ubuntu 24.04', distro.name(
pretty=True)) and re.search(r'clang', self.cxx_version):
self.skip(
"Test requires SystemC and Coroutines; broken on Ubuntu 24.04 w/clang\n" +
" OS=" + distro.name(pretty=True) + " CXX=" + self.cxx_version)
return
if param['verilator_make_cmake'] and not self.have_cmake:
self.skip(
"Test requires CMake; ignore error since not available or version too old\n")

3
test_regress/t/t_timing_cmake.py
View File

@ -17,6 +17,9 @@ if not test.have_coroutines:
if not test.have_cmake:
test.skip("cmake is not installed")
if re.search(r'clang', test.cxx_version):
test.skip("Known clang bug on ubuntu-24.04")
test.compile(verilator_flags2=["--timescale 10ns/1ns --main --timing"],
verilator_make_gmake=False,
verilator_make_cmake=True)

25
test_regress/t/t_vpi_multidim.cpp
View File

@ -27,6 +27,7 @@
#endif
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstring>
@ -207,7 +208,9 @@ void _arr_iter_check(const char* name, int wordSize, const int* lows) {
void _arr_access_format_check(TestVpiHandle& reg_h, int wordSize, const int* lows,
const char* octVal_s, PLI_INT32 format) {
constexpr int MAX_SPANSIZE = 1024;
const int spanSize = wordSize / 2;
assert(spanSize <= MAX_SPANSIZE);
s_vpi_value value_in;
s_vpi_value value_out;
s_vpi_error_info e;
@ -226,14 +229,14 @@ void _arr_access_format_check(TestVpiHandle& reg_h, int wordSize, const int* low
TestVpiHandle subreg_h = vpi_handle_by_index(reg_h, lows[2] + i);
TEST_CHECK_NZ(subreg_h);
char octSpan_s[spanSize / 3 + 1];
char octSpan_s[MAX_SPANSIZE / 3 + 1];
strncpy(octSpan_s, &octVal_s[spanSize / 3 * (1 - i)], spanSize / 3);
octSpan_s[spanSize / 3] = '\0';
uint64_t intVal;
t_vpi_vecval vecVal[2];
sscanf(octSpan_s, "%" SCNo64, &intVal);
char strVal_s[spanSize + 1]; // max length of the string happens for binary
char strVal_s[MAX_SPANSIZE + 1]; // max length of the string happens for binary
if (format == vpiIntVal) {
value_in.value.integer = intVal;
@ -257,7 +260,7 @@ void _arr_access_format_check(TestVpiHandle& reg_h, int wordSize, const int* low
sprintf(strVal_s, "%0*" PRIx64, (spanSize + 3) / 4, intVal);
value_in.value.str = strVal_s;
} else if (format == vpiOctStrVal) {
sprintf(strVal_s, "%" PRIo64, intVal);
sprintf(strVal_s, "%0*" PRIo64, (spanSize + 2) / 3, intVal);
value_in.value.str = strVal_s;
} else if (format == vpiStringVal) {
const int byteCount = (spanSize + 7) / 8;
@ -305,17 +308,13 @@ void _arr_access_check(const char* name, int wordSize, const int* lows) {
std::uniform_int_distribution<uint64_t> rand64(std::numeric_limits<uint64_t>::min(),
std::numeric_limits<uint64_t>::max());
char octVal_s[wordSize / 3 + 1];
constexpr int MAX_WORDSIZE = 128;
assert(wordSize <= MAX_WORDSIZE);
char octVal_s[MAX_WORDSIZE / 3 + 2];
// fill octVal_s with random octal digits
if (wordSize < 64) {
sprintf(octVal_s, "%0*" PRIo64, wordSize / 3,
rand64(rng) % (static_cast<uint64_t>(1) << wordSize));
} else {
sprintf(octVal_s, "%0*" PRIo64, 63 / 3, rand64(rng));
sprintf(octVal_s + 63 / 3, "%0*" PRIo64, (wordSize - 63) / 3,
rand64(rng) % (static_cast<uint64_t>(1) << (wordSize - 63)));
}
octVal_s[0] = '0' + (rand64(rng) % (1ULL << ((((wordSize - 1) % 3) + 1))));
for (int i = 1; i < (wordSize + 2) / 3; ++i) octVal_s[i] = '0' + (rand64(rng) % 8);
octVal_s[(wordSize + 2) / 3] = '\0';
// Assume that reading/writing to the "flattened" packed register is already tested,
// check only reading/writing to sub-regs and validate the flattened result.