http://llvm.org/bugs/show_bug.cgi?id=15794
Bug ID: 15794
Summary: Loop Vectorizer: Crashes with the use of
llvm.loop.parallel metadata
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Loop Optimizer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
I have C code[1] that I compile to the LLVM IR[2] and manually add the
llvm.loop.parallel and llvm.mem.parallel_loop_access metadata and run `opt` on
like so:
$ opt test.ll -o - -loop-vectorize -force-vector-unroll=1 -force-vector-width=4
-dce -instcombine -S -debug
Running the above fails with the following error. I am not sure what is causing
this.
http://sprunge.us/AWRM
[1] C Code:
http://sprunge.us/jIOU?c
[2] LLVM IR:
http://sprunge.us/aTCI?llvm
(I am using sprunge for this because it's a lot of code and not very readable
unless highlighted. If required, I can attach/paste the code here.)
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