[llvm] [NFC] Pack MDNodeKeyImpl<DILocation> from 40 to 32 bytes (PR #143891)

Fri Jun 13 01:28:11 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-amdgpu-runtime-2` running on `rocm-worker-hw-02` while building `llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/10/builds/7269

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (compile-openmp) failure: build (failure)
...
0.141 [388/130/169] Generating /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa/llvm-libc-decls/ctype.h
0.141 [387/130/170] Generating /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa/llvm-libc-decls/stdlib.h
0.142 [386/130/171] Generating header locale.h from /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/runtimes/../libc/include/locale.yaml
0.142 [385/130/172] Generating header uchar.h from /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/runtimes/../libc/include/uchar.yaml
0.143 [384/130/173] Generating /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa/llvm-libc-decls/uchar.h
0.143 [383/130/174] Generating /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa/llvm-libc-decls/time.h
0.144 [382/130/175] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.getenv.dir/getenv.cpp.o
0.144 [381/130/176] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcasestr.dir/strcasestr.cpp.o
0.145 [380/130/177] Building CXX object libc/src/strings/CMakeFiles/libc.src.strings.bcopy.dir/bcopy.cpp.o
0.145 [379/130/178] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.memalignment.dir/memalignment.cpp.o
FAILED: libc/src/stdlib/CMakeFiles/libc.src.stdlib.memalignment.dir/memalignment.cpp.o 
/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/./bin/clang++ --target=amdgcn-amd-amdhsa -DLIBC_NAMESPACE=__llvm_libc_21_0_0_git -D__LIBC_USE_FLOAT16_CONVERSION -I/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc -isystem /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa -O3 -DNDEBUG --target=amdgcn-amd-amdhsa -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_ADD_NULL_CHECKS "-DLIBC_MATH=(LIBC_MATH_SKIP_ACCURATE_PASS | LIBC_MATH_SMALL_TABLES | LIBC_MATH_NO_ERRNO | LIBC_MATH_NO_EXCEPT)" -fpie -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wdeprecated -Wno-c99-extensions -Wno-gnu-imaginary-constant -Wno-pedantic -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -nogpulib -fvisibility=hidden -fconvergent-functions -flto -Wno-multi-gpu -Xclang -mcode-object-version=none -DLIBC_COPT_PUBLIC_PACKAGING -UNDEBUG -MD -MT libc/src/stdlib/CMakeFiles/libc.src.stdlib.memalignment.dir/memalignment.cpp.o -MF libc/src/stdlib/CMakeFiles/libc.src.stdlib.memalignment.dir/memalignment.cpp.o.d -o libc/src/stdlib/CMakeFiles/libc.src.stdlib.memalignment.dir/memalignment.cpp.o -c /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc/src/stdlib/memalignment.cpp
/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc/src/stdlib/memalignment.cpp:20:3: error: unknown type name 'uintptr_t'
   20 |   uintptr_t addr = reinterpret_cast<uintptr_t>(p);
      |   ^
/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/libc/src/stdlib/memalignment.cpp:20:37: error: unknown type name 'uintptr_t'
   20 |   uintptr_t addr = reinterpret_cast<uintptr_t>(p);
      |                                     ^
2 errors generated.
0.145 [379/129/179] Generating header stdlib.h from /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/runtimes/../libc/include/stdlib.yaml
0.145 [379/128/180] Generating header time.h from /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/runtimes/../libc/include/time.yaml
0.145 [379/127/181] Generating /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa/llvm-libc-decls/signal.h
0.145 [379/126/182] Generating header stdio.h from /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/runtimes/../libc/include/stdio.yaml
0.147 [379/125/183] Generating /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/include/amdgcn-amd-amdhsa/llvm-libc-decls/stdio.h
0.165 [379/124/184] Generating header signal.h from /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/runtimes/../libc/include/signal.yaml
0.176 [379/123/185] Building CXX object libc/src/errno/CMakeFiles/libc.src.errno.errno.dir/libc_errno.cpp.o
0.199 [379/122/186] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_ones_ull.dir/stdc_leading_ones_ull.cpp.o
0.201 [379/121/187] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.common_constants.dir/common_constants.cpp.o
0.201 [379/120/188] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_ones_us.dir/stdc_leading_ones_us.cpp.o
0.202 [379/119/189] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_ones_ul.dir/stdc_trailing_ones_ul.cpp.o
0.209 [379/118/190] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strnlen.dir/strnlen.cpp.o
0.210 [379/117/191] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strrchr.dir/strrchr.cpp.o
0.212 [379/116/192] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_count_ones_us.dir/stdc_count_ones_us.cpp.o
0.213 [379/115/193] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strpbrk.dir/strpbrk.cpp.o
0.214 [379/114/194] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_zeros_us.dir/stdc_leading_zeros_us.cpp.o
0.214 [379/113/195] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isalnum.dir/isalnum.cpp.o
0.215 [379/112/196] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isalpha_l.dir/isalpha_l.cpp.o
0.215 [379/111/197] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strsep.dir/strsep.cpp.o
0.215 [379/110/198] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isblank_l.dir/isblank_l.cpp.o
0.216 [379/109/199] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_zeros_ul.dir/stdc_leading_zeros_ul.cpp.o
0.216 [379/108/200] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_count_ones_ull.dir/stdc_count_ones_ull.cpp.o
0.216 [379/107/201] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isdigit_l.dir/isdigit_l.cpp.o
0.218 [379/106/202] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_zeros_ui.dir/stdc_trailing_zeros_ui.cpp.o
0.218 [379/105/203] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isalnum_l.dir/isalnum_l.cpp.o
0.218 [379/104/204] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_first_trailing_zero_ui.dir/stdc_first_trailing_zero_ui.cpp.o
0.219 [379/103/205] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strlcat.dir/strlcat.cpp.o
0.219 [379/102/206] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strtok_r.dir/strtok_r.cpp.o
0.219 [379/101/207] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_ones_uc.dir/stdc_leading_ones_uc.cpp.o
0.220 [379/100/208] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_zeros_uc.dir/stdc_leading_zeros_uc.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/143891