[llvm-bugs] [Bug 45237] New: Assertion failed: (!IsStrict && "Don't know how to expand for strict nodes."), function ExpandNode, file llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp, line 3638.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45237

            Bug ID: 45237
           Summary: Assertion failed: (!IsStrict && "Don't know how to
                    expand for strict nodes."), function ExpandNode, file
                    llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp, line
                    3638.
           Product: libraries
           Version: 10.0
          Hardware: Other
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: Common Code Generator Code
          Assignee: unassignedbugs at nondot.org
          Reporter: pkubaj at anongoth.pl
                CC: llvm-bugs at lists.llvm.org

Created attachment 23250
  --> https://bugs.llvm.org/attachment.cgi?id=23250&action=edit
reproduction files

FreeBSD head on powerpc64, LLVM 10 rc3.

I'm building x11/babl port:
FAILED: babl/base/935b676@@babl_base at sta/model-cmyk.c.o 
cc -Ibabl/base/935b676@@babl_base at sta -Ibabl/base -I../babl/base -I. -I../
-Ibabl -I../babl -I/usr/local/include -Xclang -fcolor-diagnostics -pipe
-D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -O3 -Ofast
-fno-unsafe-math-optimizations -Wdeclaration-after-statement -Winit-self
-Wmissing-declarations -Wmissing-prototypes -Wold-style-definition
-Wpointer-arith -O2 -fstack-protector-strong -isystem /usr/local/include
-fno-strict-aliasing -isystem /usr/local/include -fPIC -MD -MQ
'babl/base/935b676@@babl_base at sta/model-cmyk.c.o' -MF
'babl/base/935b676@@babl_base at sta/model-cmyk.c.o.d' -o
'babl/base/935b676@@babl_base at sta/model-cmyk.c.o' -c ../babl/base/model-cmyk.c
Assertion failed: (!IsStrict && "Don't know how to expand for strict nodes."),
function ExpandNode, file
/usr/src/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp,
line 3638.
Stack dump:
0.      Program arguments: cc -Ibabl/base/935b676@@babl_base at sta -Ibabl/base
-I../babl/base -I. -I../ -Ibabl -I../babl -I/usr/local/include -Xclang
-fcolor-diagnostics -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -O3 -Ofast
-fno-unsafe-math-optimizations -Wdeclaration-after-statement -Winit-self
-Wmissing-declarations -Wmissing-prototypes -Wold-style-definition
-Wpointer-arith -O2 -fstack-protector-strong -isystem /usr/local/include
-fno-strict-aliasing -isystem /usr/local/include -fPIC -MD -MQ
babl/base/935b676@@babl_base at sta/model-cmyk.c.o -MF
babl/base/935b676@@babl_base at sta/model-cmyk.c.o.d -o
babl/base/935b676@@babl_base at sta/model-cmyk.c.o -c ../babl/base/model-cmyk.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'../babl/base/model-cmyk.c'.
4.      Running pass 'PowerPC DAG->DAG Pattern Instruction Selection' on
function '@cmyka_to_cmykA'
#0 0x0000000013bac208 PrintStackTrace
/usr/src/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:564:13
#1 0x0000000013ba98d0 RunSignalHandlers
/usr/src/contrib/llvm-project/llvm/lib/Support/Signals.cpp:67:5
#2 0x0000000013baf278 HandleCrash
/usr/src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:75:7
#3 0x0000000013baf4ec CrashRecoverySignalHandler
/usr/src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:0:51
#4 0x0000000815732748 handle_signal /usr/src/lib/libthr/thread/thr_sig.c:303:3
cc: error: clang frontend command failed due to signal (use -v to see
invocation)
FreeBSD clang version 10.0.0 (git at github.com:llvm/llvm-project.git
llvmorg-10.0.0-rc3-1-gc290cb61fdc)
Target: powerpc64-unknown-freebsd13.0
Thread model: posix
InstalledDir: /usr/bin
cc: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.freebsd.org/submit/ and include the crash backtrace, preprocessed
source, and associated run script.
cc: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
cc: note: diagnostic msg: /tmp/model-cmyk-32e52d.c
cc: note: diagnostic msg: /tmp/model-cmyk-32e52d.sh
cc: note: diagnostic msg: 

********************

I'm attaching the files needed for reproduction.

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