[libc-commits] [libc] [libc][stdfix] Implement fixed point `countlsfx` functions in llvm-libc (PR #125356)
LLVM Continuous Integration via libc-commits
libc-commits at lists.llvm.org
Fri Feb 7 10:58:28 PST 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `libc-x86_64-debian-dbg-bootstrap-build` running on `libc-x86_64-debian` while building `libc` at step 4 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/200/builds/3279
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py ...' (failure)
...
CMake Warning at /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/utils/MPCWrapper/CMakeLists.txt:31 (message):
Math tests using MPC will be skipped.
-- check-runtimes does nothing.
-- Configuring done
-- Generating done
-- Build files have been written to: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/runtimes/runtimes-bins
[1/49] Building CXX object libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o
FAILED: libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/runtimes/runtimes-bins/libc/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_ADD_NULL_CHECKS -fpie -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-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 -O3 -DLIBC_COPT_PUBLIC_PACKAGING -std=gnu++17 -MD -MT libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o -MF libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o.d -o libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/abshr.cpp
In file included from /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/abshr.cpp:11:
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:191:9: error: use of undeclared identifier 'x'
191 | if (x < 0)
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:7: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:19: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:195:31: error: use of undeclared identifier 'x'
195 | BitType value_bits = FXBits(x)::get_bits();
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:195:33: error: expected ';' at end of declaration
195 | BitType value_bits = FXBits(x)::get_bits();
| ^
| ;
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:182:11: error: unused parameter 'f' [-Werror,-Wunused-parameter]
182 | countls(T f) {
| ^
6 errors generated.
[2/49] Building CXX object libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o
FAILED: libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/runtimes/runtimes-bins/libc/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_ADD_NULL_CHECKS -fpie -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-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 -DLIBC_COPT_PUBLIC_PACKAGING -std=gnu++17 -MD -MT libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o -MF libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o.d -o libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/rbits.cpp
In file included from /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/rbits.cpp:11:
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:191:9: error: use of undeclared identifier 'x'
191 | if (x < 0)
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:7: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:19: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:195:31: error: use of undeclared identifier 'x'
195 | BitType value_bits = FXBits(x)::get_bits();
| ^
Step 6 (build libc) failure: build libc (failure)
...
Math tests using MPFR will be skipped.
CMake Warning at /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/utils/MPCWrapper/CMakeLists.txt:31 (message):
Math tests using MPC will be skipped.
-- check-runtimes does nothing.
-- Configuring done
-- Generating done
-- Build files have been written to: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/runtimes/runtimes-bins
[1/49] Building CXX object libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o
FAILED: libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/runtimes/runtimes-bins/libc/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_ADD_NULL_CHECKS -fpie -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-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 -O3 -DLIBC_COPT_PUBLIC_PACKAGING -std=gnu++17 -MD -MT libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o -MF libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o.d -o libc/src/stdfix/CMakeFiles/libc.src.stdfix.abshr.dir/abshr.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/abshr.cpp
In file included from /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/abshr.cpp:11:
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:191:9: error: use of undeclared identifier 'x'
191 | if (x < 0)
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:7: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:19: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:195:31: error: use of undeclared identifier 'x'
195 | BitType value_bits = FXBits(x)::get_bits();
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:195:33: error: expected ';' at end of declaration
195 | BitType value_bits = FXBits(x)::get_bits();
| ^
| ;
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:182:11: error: unused parameter 'f' [-Werror,-Wunused-parameter]
182 | countls(T f) {
| ^
6 errors generated.
[2/49] Building CXX object libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o
FAILED: libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/runtimes/runtimes-bins/libc/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_ADD_NULL_CHECKS -fpie -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-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 -DLIBC_COPT_PUBLIC_PACKAGING -std=gnu++17 -MD -MT libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o -MF libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o.d -o libc/src/stdfix/CMakeFiles/libc.src.stdfix.rbits.dir/rbits.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/rbits.cpp
In file included from /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/stdfix/rbits.cpp:11:
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:191:9: error: use of undeclared identifier 'x'
191 | if (x < 0)
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:7: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:192:19: error: use of undeclared identifier 'x'
192 | x = bit_not(x);
| ^
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/libc/src/__support/fixed_point/fx_bits.h:195:31: error: use of undeclared identifier 'x'
195 | BitType value_bits = FXBits(x)::get_bits();
| ^
```
</details>
https://github.com/llvm/llvm-project/pull/125356
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