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[cross-project] Add tests for LLDB data-formatters for llvm::ArrayRef (#173238)

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This patch adds the bare-minimum tests for the LLDB `llvm::ArrayRef`
formatters. Since this would be the first LLVM data fromatter test for
LLDB, I wanted to keep the test itself minimal and mainly set up/agree
on the infrastructure (i.e., CMake machinery, etc.).

The setup mimicks that of GDB. The main differences are:
1. the GDB formatter tests put all the test cases in one monolithic test
file, whereas I'm planning on having one test-file per LLVM container.
2. the GDB formatter tests currently only get run if LLVM was built with
debug-info. Not sure we have any build-bots out there running this
configuration. In this patch we rely on just the debug-info from the
LLVM headers (see latest commit). That way the tests get more
consistently run (at least our public macOS buildbot runs the
cross-project-tests in Release+Asserts).
This commit is contained in:
Michael Buch 2026-01-06 18:46:22 +00:00 committed by GitHub
parent 128cc16c25
commit 3eeec298e6
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4 changed files with 46 additions and 0 deletions
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7
cross-project-tests/CMakeLists.txt
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@ -12,12 +12,19 @@ add_llvm_executable(check-gdb-llvm-support
)
target_link_libraries(check-gdb-llvm-support PRIVATE LLVMSupport)
add_executable(check-lldb-llvm-support-arrayref
debuginfo-tests/llvm-prettyprinters/lldb/arrayref.cpp
)
target_link_libraries(check-lldb-llvm-support-arrayref PRIVATE LLVMSupport)
target_compile_options(check-lldb-llvm-support-arrayref PRIVATE -g -O0)
set(CROSS_PROJECT_TESTS_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(CROSS_PROJECT_TESTS_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
set(CROSS_PROJECT_TEST_DEPS
FileCheck
check-gdb-llvm-support
check-lldb-llvm-support-arrayref
count
llvm-ar
llvm-config

8
cross-project-tests/debuginfo-tests/llvm-prettyprinters/lldb/arrayref.cpp Normal file
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@ -0,0 +1,8 @@
#include "llvm/ADT/ArrayRef.h"
int Array[] = {1, 2, 3};
llvm::ArrayRef<int> ArrayRef(Array);
llvm::MutableArrayRef<int> MutableArrayRef(Array);
int main() { return 0; }

25
cross-project-tests/debuginfo-tests/llvm-prettyprinters/lldb/arrayref.test Normal file
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@ -0,0 +1,25 @@
# RUN: split-file %s %t
# RUN: lldb -b -x -o 'command script import %llvm_src_root/utils/lldbDataFormatters.py' -s %t/commands.input %llvm_tools_dir/check-lldb-llvm-support-arrayref | FileCheck %t/checks
#--- commands.input
b main
run
p ArrayRef
p MutableArrayRef
#--- checks
# CHECK: (lldb) p ArrayRef
# CHECK-NEXT: (llvm::ArrayRef<int>) size=3 {
# CHECK-NEXT: [0] = 1
# CHECK-NEXT: [1] = 2
# CHECK-NEXT: [2] = 3
# CHECK-NEXT: }
# CHECK: (lldb) p MutableArrayRef
# CHECK-NEXT: (llvm::MutableArrayRef<int>) {
# CHECK-NEXT: llvm::ArrayRef<int> = size=3 {
# CHECK-NEXT: [0] = 1
# CHECK-NEXT: [1] = 2
# CHECK-NEXT: [2] = 3
# CHECK-NEXT: }
# CHECK-NEXT: }

6
cross-project-tests/debuginfo-tests/llvm-prettyprinters/lldb/lit.local.cfg Normal file
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@ -0,0 +1,6 @@
import lit.util
if "native" not in config.available_features or lit.util.which("lldb") is None:
config.unsupported = True
config.suffixes = [".test"]