[llvm-bugs] [Bug 43976] New: PowerPC64: clang crashes when building libslang2

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43976

            Bug ID: 43976
           Summary: PowerPC64: clang crashes when building libslang2
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C
          Assignee: unassignedclangbugs at nondot.org
          Reporter: pkubaj at anongoth.pl
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

Created attachment 22798
  --> https://bugs.llvm.org/attachment.cgi?id=22798&action=edit
crash data

When building on FreeBSD/powerpc64-elfv2:
cc -I/tmp/usr/ports/devel/libslang2/work/slang-2.3.2/src -shared -fPIC -O2
-pipe  -DLIBICONV_PLUG -fstack-protector-strong -fno-strict-aliasing
-I/tmp/usr/ports/devel/libslang2/work/slang-2.3.2/src
/tmp/usr/ports/devel/libslang2/work/slang-2.3.2/modules/select-module.c -o
select-module.so -lncurses -fstack-protector-strong
-Wl,-rpath,/usr/local/lib:/usr/local/lib   -lm
Assertion failed: ((Op.getOpcode() == ISD::FP_TO_SINT || Subtarget.hasFPCVT())
&& "i64 FP_TO_UINT is supported only with FPCVT"), function
LowerFP_TO_INTForReuse, file
/usr/src/contrib/llvm/lib/Target/PowerPC/PPCISelLowering.cpp, line 7276.
Stack dump:
0.      Program arguments: /usr/bin/cc -cc1 -triple
powerpc64-unknown-freebsd13.0 -emit-obj -disable-free -main-file-name
select-module.c -mrelocation-model pic -pic-level 2 -mthread-model posix
-relaxed-aliasing -masm-verbose -mconstructor-aliases -munwind-tables
-fuse-init-array -target-cpu ppc64 -target-feature +secure-plt -mfloat-abi hard
-dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -resource-dir
 /usr/lib/clang/9.0.0 -I /tmp/usr/ports/devel/libslang2/work/slang-2.3.2/src -D
LIBICONV_PLUG -I /tmp/usr/ports/devel/libslang2/work/slang-2.3.2/src -O2
-fdebug-compilation-dir
/tmp/usr/ports/devel/libslang2/work/slang-2.3.2/modules/powerpc64objs
-ferror-limit 19 -fmessage-length 106 -stack-protector 2 -fno-signed-char
-fobjc-runtime=gnustep -fdiagnostics-show-option -fcolor-diagnostics
-vectorize-loops -vectorize-slp -faddrsig -o /tmp/select-module-2a3aa3.o -x c
/tmp/usr/ports/devel/libslang2/work/slang-2.3.2/modules/select-module.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'/tmp/usr/ports/devel/libslang2/work/slang-2.3.2/modules/select-module.c'.
4.      Running pass 'PowerPC DAG->DAG Pattern Instruction Selection' on
function '@select_intrin'
cc: error: unable to execute command: Abort trap (core dumped)
cc: error: clang frontend command failed due to signal (use -v to see
invocation)
FreeBSD clang version 9.0.0 (tags/RELEASE_900/final 372316) (based on LLVM
9.0.0)
Target: powerpc64-unknown-freebsd13.0
Thread model: posix
InstalledDir: /usr/bin


Preprocessed source and the running script are attached.

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