https://llvm.org/bugs/show_bug.cgi?id=27879
Bug ID: 27879
Summary: ICE on trunk llvm (Invalid operands for select
instruction)
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: anton.mitrok...@phystech.edu
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 16418
--> https://llvm.org/bugs/attachment.cgi?id=16418&action=edit
Reproducer
Run:
> clang++ -std=c++11 -O3 -fslp-vectorize-aggressive -o out.o -c crash.cpp
Output:
Invalid operands for select instruction!
%8 = select <2 x i1> %7, <8 x i16> <i16 -2, i16 -2, i16 -2, i16 -2, i16 -2,
i16 -2, i16 -2, i16 -2>, <8 x i16> <i16 -3, i16 -3, i16 -3, i16 -3, i16 -3, i16
-3, i16 -3, i16 -3>
fatal error: error in backend: Broken function found, compilation aborted!
clang-3.9: error: clang frontend command failed with exit code 70 (use -v to
see invocation)
clang version 3.9.0 (trunk 270685)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /export/users/amitrokh/llvm/bin-trunk/bin
clang-3.9: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-3.9: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.9: note: diagnostic msg: /tmp/crash-6cb565.cpp
clang-3.9: note: diagnostic msg: /tmp/crash-6cb565.sh
clang-3.9: note: diagnostic msg:
********************
> clang -v:
clang version 3.9.0 (trunk 270685)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /export/users/amitrokh/llvm/bin-trunk/bin
Found candidate GCC installation: /usr/lib/gcc/i686-redhat-linux/4.8.2
Found candidate GCC installation: /usr/lib/gcc/i686-redhat-linux/4.8.5
Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.2
Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.5
Selected GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.5
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Selected multilib: .;@m64
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