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Reland logf128 constant folding #103217

Merged
merged 1 commit into from
Aug 14, 2024
Merged

Reland logf128 constant folding #103217

merged 1 commit into from
Aug 14, 2024

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MDevereau
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This is a reland of #96287. This change makes tests in logf128.ll ignore the sign of NaNs for negative value tests and moves an #include to be blocked behind #ifndef _GLIBCXX_MATH_H.

@MDevereau
Reland logf128 constant folding
e2ce4b8 
This is a reland of (llvm#96287). This change makes tests
in logf128.ll ignore the sign of NaNs for negative value
tests and moves an #include <cmath> to be blocked
behind #ifndef _GLIBCXX_MATH_H.
@MDevereau MDevereau merged commit 3cab7c5 into llvm:main Aug 14, 2024
9 checks passed
@llvm-ci
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llvm-ci commented Aug 14, 2024

LLVM Buildbot has detected a new failure on builder ppc64le-lld-multistage-test running on ppc64le-lld-multistage-test while building llvm at step 7 "test-build-stage1-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/2089

Here is the relevant piece of the build log for the reference:

Step 7 (test-build-stage1-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: Transforms/InstSimplify/ConstProp/logf128.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/opt < /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll -passes=instsimplify -S | /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/opt -passes=instsimplify -S
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:10:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xL300000000000000040010A2B23F3BAB7
              ^
<stdin>:9:27: note: scanning from here
define fp128 @log_e_64() {
                          ^
<stdin>:10:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000004005000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:18:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xL3000000000000000C00C654628220780
              ^
<stdin>:14:59: note: scanning from here
define fp128 @log_e_smallest_positive_subnormal_number() {
                                                          ^
<stdin>:15:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000010000000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:26:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
              ^
<stdin>:19:49: note: scanning from here
define fp128 @log_e_largest_subnormal_number() {
                                                ^
<stdin>:21:2: note: possible intended match here
 ret fp128 %A
 ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:35:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
              ^
<stdin>:24:56: note: scanning from here
define fp128 @log_e_smallest_positive_normal_number() {
                                                       ^
<stdin>:25:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000000001000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:43:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLF000000000000000400C62E42FEFA39E
              ^
<stdin>:29:46: note: scanning from here
define fp128 @log_e_largest_normal_number() {
                                             ^
...

@llvm-ci
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llvm-ci commented Aug 14, 2024

LLVM Buildbot has detected a new failure on builder clang-ppc64le-linux-test-suite running on ppc64le-clang-test-suite while building llvm at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/95/builds/2468

Here is the relevant piece of the build log for the reference:

Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: Transforms/InstSimplify/ConstProp/logf128.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/opt < /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll -passes=instsimplify -S | /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/opt -passes=instsimplify -S
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:10:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xL300000000000000040010A2B23F3BAB7
              ^
<stdin>:9:27: note: scanning from here
define fp128 @log_e_64() {
                          ^
<stdin>:10:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000004005000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:18:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xL3000000000000000C00C654628220780
              ^
<stdin>:14:59: note: scanning from here
define fp128 @log_e_smallest_positive_subnormal_number() {
                                                          ^
<stdin>:15:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000010000000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:26:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
              ^
<stdin>:19:49: note: scanning from here
define fp128 @log_e_largest_subnormal_number() {
                                                ^
<stdin>:21:2: note: possible intended match here
 ret fp128 %A
 ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:35:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
              ^
<stdin>:24:56: note: scanning from here
define fp128 @log_e_smallest_positive_normal_number() {
                                                       ^
<stdin>:25:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000000001000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:43:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLF000000000000000400C62E42FEFA39E
              ^
<stdin>:29:46: note: scanning from here
define fp128 @log_e_largest_normal_number() {
                                             ^
...

@llvm-ci
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llvm-ci commented Aug 14, 2024

LLVM Buildbot has detected a new failure on builder premerge-monolithic-windows running on premerge-windows-1 while building llvm at step 5 "clean-build-dir".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/35/builds/1882

Here is the relevant piece of the build log for the reference:

Step 5 (clean-build-dir) failure: Delete failed. (failure)
Step 7 (build-unified-tree) failure: build (failure)
...
[8105/12502] Building CXX object tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\semantics.cpp.obj
C:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\lib\Semantics\semantics.cpp(667): warning C4927: illegal conversion; more than one user-defined conversion has been implicitly applied
C:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\lib\Semantics\semantics.cpp(667): note: while calling the constructor 'Fortran::semantics::Symbol::Symbol(const Fortran::semantics::Symbol &) noexcept(false)'
C:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\include\flang\Semantics\symbol.h(959): note: compiler has generated 'Fortran::semantics::Symbol::Symbol' here
[8106/12502] Building CXX object tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\symbol.cpp.obj
[8107/12502] Building CXX object tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\tools.cpp.obj
[8108/12502] Building CXX object tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\type.cpp.obj
[8109/12502] Building CXX object tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\unparse-with-symbols.cpp.obj
[8110/12502] Building CXX object tools\flang\lib\Frontend\CMakeFiles\flangFrontend.dir\CodeGenOptions.cpp.obj
[8111/12502] Linking CXX static library lib\FortranSemantics.lib
FAILED: lib/FortranSemantics.lib 
cmd.exe /C "cd . && C:\BuildTools\VC\Tools\MSVC\14.29.30133\bin\Hostx64\x64\lib.exe /nologo /machine:x64 /out:lib\FortranSemantics.lib tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\assignment.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\attr.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\canonicalize-acc.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\canonicalize-directives.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\canonicalize-do.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\canonicalize-omp.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-acc-structure.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-allocate.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-arithmeticif.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-call.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-case.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-coarray.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-cuda.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-data.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-deallocate.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-declarations.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-do-forall.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-if-stmt.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-io.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-namelist.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-nullify.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-omp-structure.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-purity.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-return.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-select-rank.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-select-type.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\check-stop.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\compute-offsets.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\data-to-inits.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\definable.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\expression.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\mod-file.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\pointer-assignment.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\program-tree.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\resolve-labels.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\resolve-directives.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\resolve-names-utils.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\resolve-names.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\rewrite-directives.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\rewrite-parse-tree.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\runtime-type-info.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\scope.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\semantics.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\symbol.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\tools.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\type.cpp.obj tools\flang\lib\Semantics\CMakeFiles\FortranSemantics.dir\unparse-with-symbols.cpp.obj  && cd ."
LINK : fatal error LNK1102: out of memory

[8112/12502] Building CXX object tools\flang\lib\Frontend\CMakeFiles\flangFrontend.dir\FrontendAction.cpp.obj
FAILED: tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/FrontendAction.cpp.obj 
sccache C:\BuildTools\VC\Tools\MSVC\14.29.30133\bin\Hostx64\x64\cl.exe  /nologo /TP -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\flang\lib\Frontend -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\lib\Frontend -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\include -Itools\flang\include -Iinclude -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\llvm\include -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\llvm\..\mlir\include -Itools\mlir\include -Itools\clang\include -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\llvm\..\clang\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:preprocessor /Zc:__cplusplus /Oi /bigobj /permissive- /W4 -wd4141 -wd4146 -wd4244 -wd4267 -wd4291 -wd4351 -wd4456 -wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4100 -wd4127 -wd4512 -wd4505 -wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611 -wd4805 -wd4204 -wd4577 -wd4091 -wd4592 -wd4319 -wd4709 -wd5105 -wd4324 -w14062 -we4238 /Gw /O2 /Ob2  -MD  /EHs-c- /GR- -UNDEBUG -std:c++17 /showIncludes /Fotools\flang\lib\Frontend\CMakeFiles\flangFrontend.dir\FrontendAction.cpp.obj /Fdtools\flang\lib\Frontend\CMakeFiles\flangFrontend.dir\flangFrontend.pdb /FS -c C:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\lib\Frontend\FrontendAction.cpp
c1xx: fatal error C1356: unable to find mspdbcore.dll
<unnamed>' panicked at 'failed to reserve stack space for exception handling', library\std\src\sys\windows\stack_overflow.rs:15:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread '<unnamed>' panicked at 'panic in a function that cannot unwind', library\core\src\panicking.rs:126:5
stack backtrace:
   0:     0x7ff717445606 - <unknown>
   1:     0x7ff7169c07ab - <unknown>
   2:     0x7ff717424e81 - <unknown>
   3:     0x7ff71744a56b - <unknown>
   4:     0x7ff71744a148 - <unknown>
   5:     0x7ff71744b068 - <unknown>
   6:     0x7ff71744aa74 - <unknown>
   7:     0x7ff71744a9f9 - <unknown>
   8:     0x7ff71744a9e4 - <unknown>
   9:     0x7ff7175f8fe4 - <unknown>
  10:     0x7ff7175f9074 - <unknown>
  11:     0x7ff7175f9019 - <unknown>
  12:     0x7ff717440ff4 - <unknown>
  13:     0x7ff7175ed620 - <unknown>
  14:     0x7ff7175eccc0 - <unknown>
  15:     0x7ffe53284176 - RtlCaptureContext
  16:     0x7ff717440fd8 - <unknown>
  17:     0x7ffe42717974 - BaseThreadInitThunk
  18:     0x7ffe5323a4e1 - RtlUserThreadStart
thread caused non-unwinding panic. aborting.
[8113/12502] Building CXX object tools\flang\lib\Lower\CMakeFiles\FortranLower.dir\ConvertArrayConstructor.cpp.obj
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertArrayConstructor.cpp.obj 
sccache C:\BuildTools\VC\Tools\MSVC\14.29.30133\bin\Hostx64\x64\cl.exe  /nologo /TP -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\flang\lib\Lower -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\lib\Lower -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\include -Itools\flang\include -Iinclude -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\llvm\include -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\llvm\..\mlir\include -Itools\mlir\include -Itools\clang\include -IC:\ws\buildbot\premerge-monolithic-windows\llvm-project\llvm\..\clang\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:preprocessor /Zc:__cplusplus /Oi /bigobj /permissive- /W4 -wd4141 -wd4146 -wd4244 -wd4267 -wd4291 -wd4351 -wd4456 -wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4100 -wd4127 -wd4512 -wd4505 -wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611 -wd4805 -wd4204 -wd4577 -wd4091 -wd4592 -wd4319 -wd4709 -wd5105 -wd4324 -w14062 -we4238 /Gw /O2 /Ob2  -MD  /EHs-c- /GR- -UNDEBUG -std:c++17 /showIncludes /Fotools\flang\lib\Lower\CMakeFiles\FortranLower.dir\ConvertArrayConstructor.cpp.obj /Fdtools\flang\lib\Lower\CMakeFiles\FortranLower.dir\FortranLower.pdb /FS -c C:\ws\buildbot\premerge-monolithic-windows\llvm-project\flang\lib\Lower\ConvertArrayConstructor.cpp
sccache: error: failed to execute compile
sccache: caused by: error reading compile response from server
sccache: caused by: Failed to read response header
sccache: caused by: An existing connection was forcibly closed by the remote host. (os error 10054)

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llvm-ci commented Aug 14, 2024

LLVM Buildbot has detected a new failure on builder clang-ppc64le-linux-multistage running on ppc64le-clang-multistage-test while building llvm at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/76/builds/1847

Here is the relevant piece of the build log for the reference:

Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'LLVM :: Transforms/InstSimplify/ConstProp/logf128.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/bin/opt < /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll -passes=instsimplify -S | /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/bin/opt -passes=instsimplify -S
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:10:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xL300000000000000040010A2B23F3BAB7
              ^
<stdin>:9:27: note: scanning from here
define fp128 @log_e_64() {
                          ^
<stdin>:10:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000004005000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:18:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xL3000000000000000C00C654628220780
              ^
<stdin>:14:59: note: scanning from here
define fp128 @log_e_smallest_positive_subnormal_number() {
                                                          ^
<stdin>:15:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000010000000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:26:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
              ^
<stdin>:19:49: note: scanning from here
define fp128 @log_e_largest_subnormal_number() {
                                                ^
<stdin>:21:2: note: possible intended match here
 ret fp128 %A
 ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:35:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
              ^
<stdin>:24:56: note: scanning from here
define fp128 @log_e_smallest_positive_normal_number() {
                                                       ^
<stdin>:25:43: note: possible intended match here
 %A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000000001000000000000)
                                          ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/test/Transforms/InstSimplify/ConstProp/logf128.ll:43:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: ret fp128 0xLF000000000000000400C62E42FEFA39E
              ^
<stdin>:29:46: note: scanning from here
define fp128 @log_e_largest_normal_number() {
                                             ^
...

nikic added a commit that referenced this pull request Aug 14, 2024
@nikic
Revert "Reland logf128 constant folding (#103217)"
6300233 
This reverts commit 3cab7c5.

The modified test fails on ppc64le buildbots.
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nikic commented Aug 14, 2024

moves an #include to be blocked behind #ifndef _GLIBCXX_MATH_H.

This didn't help. This still adds 2% to clang build times.

@MDevereau MDevereau deleted the logf128-land-2 branch August 14, 2024 10:50
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@MDevereau @llvm-ci @nikic